1. education
2. alumni and reunions

NBTParse Documentation
Release 0.2.0.dev0
Kevin Norris
February 11, 2015
Contents
1
API Reference
1.1 nbtparse Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.2 exceptions Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.3 Subpackages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Indices and tables
53
Python Module Index
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NBTParse is a set of tools for working with Named Binary Tags, the data format used by Minecraft. The project is
still under active development and many things don’t quite work right. Watch this space!
Contents:
Contents
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Contents
CHAPTER 1
API Reference
Contents
• nbtparse Package
• exceptions Module
• Subpackages
1.1 nbtparse Package
Named Binary Tag manipulation tools.
This package contains various utilities for manipulating NBT-formatted data.
NBT is used by Minecraft to store a variety of data and metadata.
• syntax contains modules relating to low-level NBT syntax.
• semantics contains modules relating to intermediate-level constructs.
• minecraft contains modules directly relating to Minecraft’s file and data structures.
NBTParse logs to loggers with the same names as its modules and packages. You can therefore control logging for the
entire package via the NBTParse root logger:
nbtparse_root_logger = logging.getLogger('nbtparse')
By default (as of Python 3.4), the logging package will emit warnings and more severe logged events on
sys.stderr, while dropping less severe events. Consult the logging documentation if you wish to override this
behavior.
nbtparse.__version__ = ‘0.3.0.dev0’
The version number string for NBTParse, or None if version information is not available. The numbering
scheme is strictly compatible with PEP 440 and loosely compatible with Semantic Versioning, allowing some
deviations from the latter to satisfy the former.
Strictly speaking, NBTParse does not comply with SemVer at all, and the above link is at best misleading. This
results from SemVer’s heavy use of the MUST keyword.
Note: As a matter of policy, this value ends in .dev0 on the trunk. Since the version number is not changed
from one commit to the next, trunk snapshots may appear to have the same version number even if they are
materially different. Such snapshots are not official releases.
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1.2 exceptions Module
exception nbtparse.exceptions.ClassWarning
Bases: builtins.UserWarning
Warning issued when a class definition is dubious.
exception nbtparse.exceptions.ConcurrentError
Bases: builtins.Exception
Exception raised when concurrent operations conflict.
NBTParse is generally not thread-safe. These exceptions are usually only raised in response to process-level
concurrency (e.g. while interacting with the filesystem). Thread safety violations may cause this exception to
be raised, but you should not depend on this behavior.
exception nbtparse.exceptions.IncompleteSequenceError
Bases: nbtparse.exceptions.MalformedNBTError
Raised if a sequence is incomplete (i.e. we hit EOF too early).
exception nbtparse.exceptions.MalformedNBTError
Bases: builtins.Exception
Base class of all exceptions caused by malformed or invalid NBT.
NBT does not provide any easy method to recover from this sort of error.
The source file’s offset pointer is not reset, because it might not be possible to do so. If you want to seek back
to the beginning, do so manually.
exception nbtparse.exceptions.NoSuchTagTypeError
Bases: nbtparse.exceptions.MalformedNBTError
Raised if an unrecognized tag type is used.
exception nbtparse.exceptions.ParserError
Bases: builtins.Exception
Exception raised by minecraft.ids.read_config().
Raised if the config file is ill-formed.
exception nbtparse.exceptions.SliceWarning
Bases: builtins.UserWarning
Warning issued when using dubious slicing syntax.
exception nbtparse.exceptions.ValueWarning
Bases: builtins.UserWarning
Warning issued when passing dubious values.
1.3 Subpackages
1.3.1 minecraft Package
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Contents
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minecraft Package
entity Module
entityfactory Module
ids Module
item Module
level Module
mobs Module
projectile Module
Subpackages
minecraft Package
Minecraft-related NBTParse modules.
The modules in this package all relate to high-level files and data structures.
For instance,
nbtparse.minecraft.level contains the LevelFile class, which can read and write the level.dat file
in a standard Minecraft save.
entity Module
Classes for Minecraft entities.
nbtparse.minecraft.entity.CoordinateField
Field for a TAG_List of coordinates.
Pythonic equivalent is a tuple with two or three elements depending on whether or not Y is included. Elements
may be ints or floats depending on the underlying datatype.
class nbtparse.minecraft.entity.Entity(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
A Minecraft entity.
Subclasses of Entity may be declared with an extra parameter like this:
class Foo(Entity, id='Foo'):
pass
Such subclasses have an ID field attached to them automatically, with an appropriate default value.
Entities are hashable and compare equal if they have the same UUID (and the same type()).
air_ticks
How much longer until this entity begins to drown.
Starts at 300 when above water and goes down when underwater. At zero, lose 1 health per second.
dimension
Which dimension we’re in.
Note: This information is stored elsewhere; it is not known why Minecraft stores it here as well.
fall_distance
Distance this entity has fallen.
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Farther distances will result in greater fall damage on landing.
fire_ticks
How much longer this entity will be aflame.
Equal to -1 if not on fire. Larger negative values make it temporarily fireproof.
id
What kind of entity this is.
entityfactory can use this to create subclasses of Entity automatically.
invulnerable
Whether entity is immune to all damage.
Also applies to nonliving entities.
motion
Velocity at which this entity is moving.
Stored as an (x, y, z) tuple.
mount
NBTObject field called Riding
on_ground
Whether this entity is touching the ground.
portal_cooldown
Number of ticks until this entity passes through a portal.
Starts at 900 and counts down when in a portal. Switch dimensions at zero.
pos
Position of this entity, in (x, y, z) form.
Values may be fractional.
rotation
Rotation of this entity.
Stored as (yaw, pitch). Roll is not supported.
uuid
Universally unique identifier for this entity.
Should be unique across every Minecraft world. Cannot be changed once the entity is constructed. Creating
a new entity will set this to a new UUID.
If it is necessary to initialize this field, you may modify _uuid instead. This field is a wrapper for that
value. As the name suggests, it must not be modified outside __init__(). Since the UUID is used in
calculating the hash(), violating this rule is a Bad Idea.
class nbtparse.minecraft.entity.EntityMeta(name, bases, dct, *args, id=None, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTMeta
Metaclass for entities.
The ID of the entity should be passed as a class keyword argument called id, as follows:
class FooEntity(Entity, id='foo'):
pass
This will create a top-level field with the given string as its default value, for the entity’s ID. If no ID is specified
this way, you are responsible for creating the field yourself. If the class neither creates an ID field nor passes an
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ID keyword argument, it cannot be instantiated. This may be done deliberately, typically on abstract classes that
aren’t meant to be instantiated.
Although ID fields are subject to inheritance like any other, inheriting them doesn’t count for the purposes of
this rule.
entityfactory Module
Module for producing entity.Entity instances.
nbtparse.minecraft.entityfactory.from_nbt(nbt:
nbtparse.syntax.tags.CompoundTag,
*,
default_class:
nbtparse.semantics.nbtobject.NBTMeta=<class
‘nbtparse.minecraft.entity.Entity’>) → nbtparse.semantics.nbtobject.NBTObject
Factory function for making entities and tile entities from raw NBT.
Uses appropriate subclasses (usually of Entity and TileEntity) where necessary. The choice of subclass
is made via the ids module, and may be altered by registering a custom namespace or re-registering a custom
version of the standard namespace.
Tries to defend against invalid input. If there is no ID or the ID is unrecognized, a warning will be logged on the
module’s logger, and a plain instance of default_class is returned instead.
ids Module
Module for looking up blocks, items, entities, etc. by name or number.
Lookups are performed via all_ids; the rest of the section documents the objects returned by it and how to manage
the available namespaces.
nbtparse.minecraft.ids.ALLOWED_TYPES = frozenset({‘item’, ‘entity’, ‘block’})
The different types of identifiers allowed
class nbtparse.minecraft.ids.BlockID(*, name: str=None, block_number: int=None, item_id:
nbtparse.minecraft.ids.ItemID, light: int=0, transparent:
bool=False, opacity: int=None, physics: bool=False)
Bases: nbtparse.minecraft.ids.Named
Information about a block ID.
block_number
The number used internally when storing this block in terrain.
item_id
The ItemID for the item version of this block.
light
The amount of light this block emits.
opacity
The amount of light this block impedes.
None if transparent is False.
physics
True if this block falls by itself.
renumber(new_id: str) → ‘BlockID’
Duplicate this block ID with a different number
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transparent
Whether this block is transparent.
type
Always equal to ‘block’.
class nbtparse.minecraft.ids.ClassID(*args, name=None, **kwargs)
Bases: nbtparse.minecraft.ids.Named
Abstract class for IDs which identify NBT objects.
resolve_class() → nbtparse.semantics.nbtobject.NBTMeta
Returns a subclass of NBTObject.
The subclass is suitable for objects with this ID. This may involve importing the class from another module
if it is not already imported.
class nbtparse.minecraft.ids.EntityID(class_name: str)
Bases: nbtparse.minecraft.ids.ClassID
Information about a (tile) entity ID.
class_name
The fully-qualified name of this (tile) entity’s class.
Formatted as follows:
some.module.name:SomeClassName
resolve_class() → nbtparse.semantics.nbtobject.NBTMeta
Returns the class used to create instances of this (tile) entity.
This may involve importing the class.
type
Always equal to ‘entity’.
class nbtparse.minecraft.ids.ItemID(*, name: str=None, max_stack: int=64)
Bases: nbtparse.minecraft.ids.ClassID
Information about an item ID.
max_stack
How large stacks of this item may get.
resolve_class() → nbtparse.semantics.nbtobject.NBTMeta
Return Item.
type
Always equal to ‘item’.
class nbtparse.minecraft.ids.Named(*args, name=None, **kwargs)
Bases: builtins.object
Root of the ID hierarchy; all IDs have names.
name
The name of this ID, or None if no name was specified.
Named objects are renamed when placed into a namespace.
rename(new_name: str) → ‘Named’
Duplicate this named object with a different name.
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class nbtparse.minecraft.ids.Namespace(contents:
{<class ‘str’>:
<class ‘nbtparse.minecraft.ids.Named’>}, numericals: {<class
‘int’>: <class ‘str’>})
Bases: collections.abc.Mapping
A Minecraft namespace.
Namespaces associate block names and numbers with each other, and store additional information about blocks,
items, and entities.
A namespace maps names and numbers to instances of the various FooID classes defined in the ids module.
Iterating over a namespace will only produce the names, since every numbered block also has a name.
nbtparse.minecraft.ids.STANDARD_NAMESPACE_NAME = ‘minecraft’
The name of the “standard” namespace, containing ID’s used by vanilla Minecraft
nbtparse.minecraft.ids.all_ids = <all_ids: mapping from strings to identifiers>
Mapping from ‘namespace:identifier’ strings to Named objects.
The primary interface to the ids module. Use like a dictionary:
all_ids['minecraft:stone']
Indexing with a number produces the corresponding block:
all_ids['minecraft:1']
Indexing without a namespace will search every registered namespace in reverse order of registration (i.e. most
recently registered first):
all_ids['stone']
Bare integers may also be looked up:
all_ids[1]
nbtparse.minecraft.ids.get_namespace(name: str) → nbtparse.minecraft.ids.Namespace
Produce the block namespace with the given name.
Namespaces are immutable, so you should not use this mechanism to alter a namespace in-place. Instead,
re-register the modified version of the namespace with register_namespace().
Raises a KeyError if no such namespace exists.
nbtparse.minecraft.ids.main()
Run this module as a script.
nbtparse.minecraft.ids.read_config(infile:
io.TextIOBase)
parse.minecraft.ids.Namespace
Read a configuration file and produce a namespace dictionary.
→
nbt-
Return a suitable argument to register_namespace().
Config file format is simple JSON, encoded in UTF-8:
{
"stone": {
"id": 1,
"item_identifier": {
"id": 1,
"item_identifier": null,
"max_stack": 64,
"type": "item"
}
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"light": 0,
"opacity": null,
"transparent": false,
"type": "block"
}
}
Null values may be omitted, except that id and type are mandatory and must not be null.
If the above format is not followed or the file is invalid JSON, a ParserError is raised.
nbtparse.minecraft.ids.register_namespace(name:
str,
namespace:
parse.minecraft.ids.Namespace)
Register a new namespace of ID’s.
nbt-
You may register a new version of the standard namespace (’minecraft’). Doing so will “hide” the official
version. You can always unregister your custom version later, and the official version will be automatically
re-registered.
nbtparse.minecraft.ids.unregister_namespace(name: str)
Remove the given namespace, preventing lookups.
Attempting to unregister the standard namespace (i.e. ’minecraft’) will automatically re-register the “default” version of the standard namespace.
nbtparse.minecraft.ids.write_config(outfile:
io.TextIOBase,
namespace:
parse.minecraft.ids.Namespace, *, pprint=False)
Write a configuration file.
nbt-
Use a format suitable for read_config(). Nulls are omitted.
item Module
Classes for items and XP orbs.
class nbtparse.minecraft.item.DroppedItem(*args, **kwargs)
Bases: nbtparse.minecraft.item.ItemEntity
An item dropped on the ground.
id
Usually equal to ‘Item’
item
NBTObject field called Item
class nbtparse.minecraft.item.Item(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
An inventory item.
Not an entity; only stores item-related information.
count
byte field called Count
damage
short integer field called Damage
id
string (unicode) field called id
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slot
byte field called Slot
class nbtparse.minecraft.item.ItemEntity(*args, **kwargs)
Bases: nbtparse.minecraft.entity.Entity
Superclass of dropped item and XP orbs.
age
short integer field called Age
health
short integer field called Health
class nbtparse.minecraft.item.XPOrb(*args, **kwargs)
Bases: nbtparse.minecraft.item.ItemEntity
An experience orb.
id
Usually equal to ‘XPOrb’
value
short integer field called Value
level Module
class nbtparse.minecraft.level.LevelFile(*args, **kwargs)
Bases: nbtparse.semantics.filetype.GzippedNBTFile
Represents a level.dat file.
cheats
Whether cheats are enabled.
features
Whether or not structures are generated.
game_type
The game mode.
generator
The name of the generator used to create the level.
Note: This is not a vanity field. Minecraft uses it to decide how to populate empty chunks. Putting an
arbitrary string here may cause problems
generator_options
Custom superflat settings.
Empty for other generators.
generator_version
Version number of the generator.
hardcore
Whether hardcore mode is enabled.
initialized
Whether world has undergone “running initial simulation...”
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last_played
Time (in UTC) when level was last loaded.
name
The name of the level.
player
The player.
May not exist in multiplayer.
static prepare_load(nbt:
nbtparse.syntax.tags.CompoundTag)
parse.syntax.tags.CompoundTag
Unwrap the argument.
→
nbt-
static prepare_save(nbt:
nbtparse.syntax.tags.CompoundTag)
parse.syntax.tags.CompoundTag
Wrap the argument in a singleton CompoundTag.
→
nbt-
rain_time
Number of ticks until raining changes.
raining
Whether rain and snow are falling on the level.
rules
Level custom rules.
seed
Seed for the world generator.
size
Estimated size of the level on disk.
Currently ignored by Minecraft.
spawn
Coordinates of the level’s spawn.
thunder_time
Number of ticks until thundering changes.
thundering
Whether a lightning storm is happening.
ticks
Age of the level in ticks.
time_of_day
Age in the level in thousandths of in-game hours.
version
The NBT version of this level; should be 19133.
class nbtparse.minecraft.level.Rules(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
Class representing a collection of game rules.
Part of a typical level.
command_block_output
Field called commandBlockOutput
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do_fire_tick
Field called doFireTick
do_mob_loot
Field called doMobLoot
do_mob_spawning
Field called doMobSpawning
do_tile_drops
Field called doTileDrops
keep_inventory
Field called keepInventory
mob_griefing
Field called mobGriefing
nbtparse.minecraft.level.StringBooleanField
Represents a boolean stored in a TAG_String (‘true’ or ‘false’).
mobs Module
All the mobs in vanilla minecraft.
class nbtparse.minecraft.mobs.Abilities(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
A set of abilities for a player.
fly_speed
floating point field called flySpeed
flying
boolean field called flying
instabuild
boolean field called instabuild
invulnerable
boolean field called invulnerable
may_build
boolean field called mayBuild
may_fly
boolean field called mayfly
walk_speed
floating point field called walkSpeed
class nbtparse.minecraft.mobs.Attribute(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
An attribute, usually attached to a mob.
base
floating point (high precision) field called Base
modifiers
list field called Modifiers
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name
string (unicode) field called Name
class nbtparse.minecraft.mobs.Bat(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A bat.
A small flying mob. Drops nothing.
hanging
boolean field called BatFlags
id
Usually equal to ‘Bat’
class nbtparse.minecraft.mobs.Blaze(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A blaze.
Flying ranged mob that shoots fire.
id
Usually equal to ‘Blaze’
class nbtparse.minecraft.mobs.Breedable(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A mob which can be bred.
age
integer field called Age
in_love
integer field called InLove
class nbtparse.minecraft.mobs.CaveSpider(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A cave spider.
A small poisonous spider.
id
Usually equal to ‘CaveSpider’
class nbtparse.minecraft.mobs.Chicken(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Breedable
A chicken.
Small mob. Lays eggs and drops feathers.
id
Usually equal to ‘Chicken’
class nbtparse.minecraft.mobs.Cow(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Breedable
A cow.
Large mob. Produces milk. Drops leather and beef.
id
Usually equal to ‘Cow’
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class nbtparse.minecraft.mobs.Creeper(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
The infamous creeper.
A 2-block tall hostile mob with an explosive attack that destroys blocks.
explosion_radius
byte field called ExplosionRadius
fuse
short integer field called Fuse
id
Usually equal to ‘Creeper’
powered
boolean field called powered
class nbtparse.minecraft.mobs.EnderDragon(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
The Ender Dragon.
The final boss.
id
Usually equal to ‘EnderDragon’
class nbtparse.minecraft.mobs.Enderman(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
An enderman.
Endermen are 3-block tall neutral mobs that can carry blocks around.
carried
short integer field called carried
carried_data
short integer field called carriedData
id
Usually equal to ‘Enderman’
class nbtparse.minecraft.mobs.Ghast(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A ghast.
A large floating mob that shoots fireballs and breaks blocks.
id
Usually equal to ‘Ghast’
class nbtparse.minecraft.mobs.Giant(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A giant.
A very large zombie.
Doesn’t spawn naturally.
id
Usually equal to ‘Giant’
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nbtparse.minecraft.mobs.HealthField
A field for a mob’s health.
class nbtparse.minecraft.mobs.Horse(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Breedable
A horse.
A tall rideable mob.
armor
NBTObject field called ArmorItem
bred
boolean field called Bred
chested
boolean field called ChestedHorse
eating
boolean field called EatingHaystack
has_reproduced
boolean field called HasReproduced
id
Usually equal to ‘EntityHorse’
items
list field called Items
owner_name
string (unicode) field called OwnerName
saddle
NBTObject field called SaddleItem
tame
boolean field called Tame
temper
integer field called Temper
type
Field called Type
variant
integer field called Variant
class nbtparse.minecraft.mobs.HorseType
Bases: enum.Enum
The valid values for Horse.type.
donkey = None
Indicates a donkey.
horse = None
Indicates a regular horse.
mule = None
Indicates a mule.
skeleton = None
Indicates a skeleton horse; not naturally spawned.
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zombie = None
Indicates a zombie horse; not naturally spawned.
class nbtparse.minecraft.mobs.IronGolem(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
An iron golem.
A large defensive mob that also spawns naturally to protect villages.
id
Usually equal to ‘VillagerGolem’
player_created
boolean field called PlayerCreated
class nbtparse.minecraft.mobs.Leash(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
A leash for a mob.
Only represents one “end” of the leash
Exactly one of uuid and coords should exist.
coords
Multi-field combining (‘X’, ‘Y’, ‘Z’)
uuid
Universally unique identifier field split between UUIDMost and UUIDLeast
class nbtparse.minecraft.mobs.MagmaCube(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Slime
A magma cube.
A slime from The Nether.
id
Usually equal to ‘LavaSlime’
class nbtparse.minecraft.mobs.Mob(*args, **kwargs)
Bases: nbtparse.minecraft.entity.Entity
A mob, in minecraft terms.
Do not instantiate directly, instead use a subclass.
absorption
floating point field called AbsorptionAmount
active_effects
list field called ActiveEffects
attack_ticks
short integer field called AttackTime
attributes
list field called Attributes
can_pickup_loot
boolean field called CanPickUpLoot
death_ticks
short integer field called DeathTime
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drop_chances
tuple field called DropChances
equipment
tuple field called Equipment
health
Multi-field combining (‘Health’, ‘HealthF’)
hurt_ticks
short integer field called HurtTime
leash
NBTObject field called Leash
leashed
boolean field called Leashed
name
string (unicode) field called CustomName
name_visible
boolean field called CustomNameVisible
persistent
boolean field called PersistenceRequired
class nbtparse.minecraft.mobs.Modifier(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
An attribute modifier.
amount
floating point (high precision) field called Amount
name
string (unicode) field called Name
operation
integer field called Operation
uuid
Universally unique identifier field split between UUIDMost and UUIDLeast
class nbtparse.minecraft.mobs.Mooshroom(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Breedable
A Mooshroom (mushroom-cow)
Like the cow, but produces mushroom stew instead of milk. Can be shorn into a regular cow, dropping mushrooms.
id
Usually equal to ‘MushroomCow’
class nbtparse.minecraft.mobs.Ocelot(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Tameable, nbtparse.minecraft.mobs.Breedable
An ocelot.
A tameable mob.
cat_type
integer field called CatType
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id
Usually equal to ‘Ozelot’
class nbtparse.minecraft.mobs.Offer(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
An individual villager offer.
buy
NBTObject field called buy
buy_secondary
NBTObject field called buyB
max_uses
integer field called maxUses
sell
NBTObject field called sell
uses
integer field called uses
class nbtparse.minecraft.mobs.OfferList(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject, collections.abc.MutableSequence
List of offers a villager has.
For convenience, sequence-related functionality is redirected to self.recipes.
insert(index, value)
recipes
list field called Recipes
class nbtparse.minecraft.mobs.OfferListMeta(name, bases, dct)
Bases: nbtparse.semantics.nbtobject.NBTMeta, abc.ABCMeta
Metaclass for OfferList.
class nbtparse.minecraft.mobs.Pig(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Breedable
A pig.
A short mob that drops porkchops.
id
Usually equal to ‘Pig’
saddle
boolean field called Saddle
class nbtparse.minecraft.mobs.Player(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob, nbtparse.semantics.filetype.GzippedNBTFile
A player, and the accompanying player.dat file.
abilities
NBTObject field called abilities
dimension
integer field called Dimension
ender_items
list field called EnderItems
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food_exhaustion
integer field called foodExhaustionLevel
food_level
integer field called foodLevel
food_saturation
integer field called foodSaturationLevel
food_timer
integer field called foodTickTimer
inventory
list field called Inventory
mode
integer field called playerGameType
score
integer field called Score
selected_item_slot
integer field called SelectedItemSlot
sleep_timer
short integer field called SleepTimer
sleeping
boolean field called Sleeping
spawn
Multi-field combining (‘SpawnX’, ‘SpawnY’, ‘SpawnZ’)
spawn_forced
boolean field called SpawnForced
xp_level
integer field called XpLevel
xp_progress
integer field called XpP
xp_total
integer field called XpTotal
class nbtparse.minecraft.mobs.PotionEffect(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
A potion effect, usually attached to a mob.
ambient
boolean field called Ambient
amplifier
byte field called Amplifier
duration
integer field called Duration
id
byte field called id
class nbtparse.minecraft.mobs.Sheep(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Breedable
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A sheep.
A mob that can be shorn for wool.
color
byte field called Color
id
Usually equal to ‘Sheep’
sheared
boolean field called Sheared
class nbtparse.minecraft.mobs.Silverfish(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A silverfish.
Small swarming mob that hides in tile entities.
id
Usually equal to ‘Silverfish’
class nbtparse.minecraft.mobs.Skeleton(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A skeleton.
A ranged mob with a bow and arrows.
id
Usually equal to ‘Skeleton’
wither
boolean field called SkeletonType
class nbtparse.minecraft.mobs.Slime(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A slime.
A variable-sized mob which divides on death.
id
Usually equal to ‘Slime’
size
integer field called Size
class nbtparse.minecraft.mobs.SnowGolem(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A snow golem (snowman).
A mob that throws snowballs at hostile mobs.
id
Usually equal to ‘SnowMan’
class nbtparse.minecraft.mobs.Spider(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A spider.
A large short mob that can climb walls.
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id
Usually equal to ‘Spider’
class nbtparse.minecraft.mobs.Squid(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A squid.
An underwater mob that drops ink sacs.
id
Usually equal to ‘Squid’
class nbtparse.minecraft.mobs.Tameable(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A mob which can be tamed.
Horses are not tamed conventionally and are not Tameable.
owner
string (unicode) field called Owner
sitting
boolean field called Sitting
class nbtparse.minecraft.mobs.Villager(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Breedable
A villager.
A passive mob that players can trade with.
id
Usually equal to ‘Villager’
offers
NBTObject field called Offers
profession
Field called Profession
riches
integer field called Riches
class nbtparse.minecraft.mobs.VillagerProfession
Bases: enum.Enum
The valid values for Villager.profession.
butcher = None
A butcher, with a white apron.
farmer = None
A farmer, with a brown robe.
generic = None
A “generic” villager, with a green robe. Not spawned naturally.
librarian = None
A librarian, with a white robe.
priest = None
A priest, with a purple robe.
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smith = None
A blacksmith, with a black apron.
class nbtparse.minecraft.mobs.Witch(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A witch.
A ranged mob that throws potions.
id
Usually equal to ‘Witch’
class nbtparse.minecraft.mobs.Wither(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A wither.
A boss mob the player has to construct from wither skeletons.
id
Usually equal to ‘WitherBoss’
invulnerable
integer field called Invul
class nbtparse.minecraft.mobs.Wolf(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Breedable, nbtparse.minecraft.mobs.Tameable
angry
boolean field called Angry
collar_color
byte field called CollarColor
id
Usually equal to ‘Wolf’
class nbtparse.minecraft.mobs.Zombie(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Mob
A zombie.
A mob that can convert villagers into more zombies.
conversion_time
integer field called ConversionTime
id
Usually equal to ‘Zombie’
is_baby
boolean field called IsBaby
is_villager
boolean field called IsVillager
class nbtparse.minecraft.mobs.ZombiePigman(*args, **kwargs)
Bases: nbtparse.minecraft.mobs.Zombie
anger
short integer field called Anger
id
Usually equal to ‘PigZombie’
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projectile Module
Classes for projectiles, such as snowballs and arrows.
class nbtparse.minecraft.projectile.AbstractFireball(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.Projectile
Any fireball-like thing.
direction
tuple field called direction
class nbtparse.minecraft.projectile.Arrow(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.Projectile
An arrow.
Fired by a player or a skeleton.
damage
floating point (high precision) field called damage
id
Usually equal to ‘Arrow’
in_data
byte field called inData
pickup
integer field called pickup
player
boolean field called player
class nbtparse.minecraft.projectile.Egg(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.Projectile
A thrown egg.
id
Usually equal to ‘Egg’
class nbtparse.minecraft.projectile.Fireball(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.AbstractFireball
A regular fireball.
id
Usually equal to ‘Fireball’
class nbtparse.minecraft.projectile.Projectile(*args, **kwargs)
Bases: nbtparse.minecraft.entity.Entity
A projectile.
A fast-moving entity like an arrow or snowball.
coords
Multi-field combining (‘xTile’, ‘yTile’, ‘zTile’)
in_ground
boolean field called inGround
in_tile
byte field called inTile
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shake
byte field called shake
class nbtparse.minecraft.projectile.SmallFireball(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.AbstractFireball
A small fireball.
id
Usually equal to ‘SmallFireball’
class nbtparse.minecraft.projectile.Thrown(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.Projectile
Anything thrown by players (and only players).
owner_name
string (unicode) field called ownerName
class nbtparse.minecraft.projectile.ThrownEnderpearl(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.Thrown
A thrown enderpearl.
Teleports the player on landing.
id
Usually equal to ‘ThrownEnderpearl’
class nbtparse.minecraft.projectile.ThrownExpBottle(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.Thrown
A thrown Bottle o’ Enchanting.
id
Usually equal to ‘ThrownExpBottle’
class nbtparse.minecraft.projectile.ThrownPotion(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.Thrown
A thrown splash potion.
id
Usually equal to ‘ThrownPotion’
potion
NBTObject field called Potion
potion_value
integer field called potionValue
class nbtparse.minecraft.projectile.ThrownSnowball(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.Thrown
A thrown snowball.
id
Usually equal to ‘Snowball’
class nbtparse.minecraft.projectile.WitherSkull(*args, **kwargs)
Bases: nbtparse.minecraft.projectile.AbstractFireball
A wither skull.
id
Usually equal to ‘WitherSkull’
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Subpackages
terrain Package
Contents
•
•
•
•
•
terrain Package
dimension Module
region Module
chunk Module
voxel Module
– Performance of the voxel module
• filters Module
• tile Module
terrain Package Terrain-related NBTParse modules.
This package consists of modules relating to Minecraft terrain. The basic unit of terrain manipulation is
voxel.VoxelBuffer, which is used to store blocks of terrain and tile entity data compactly.
dimension Module
class nbtparse.minecraft.terrain.dimension.Dimension(path:
str, *, max_cache:
int=5,
fill_value:
nbtparse.minecraft.terrain._voxel.Block=None)
Bases: builtins.object
A dimension, in Minecraft terms.
A collection of (usually) contiguous regions.
May be indexed and sliced using block coordinates. Indexing is similar to that of voxel.VoxelBuffer,
except that X and Z coordinates are absolute, and X and Z slices must have both a start and an end.
Dimensions are not thread-safe.
atomic
Make the following operations atomic.
Either every change made within the block will be saved to disk, or none of those changes are saved to disk.
This should not be confused with the other three ACID guarantees (particularly isolation). The transaction
is aborted if and only if an exception is raised (but see below).
Can be used as a context manager or decorator:
@dim.atomic
def atomic_function():
# Things in here will happen atomically.
with dim.atomic:
# Things in here will happen atomically
In some circumstances, you may need to call recover_atomic(). This is generally only necessary
if the system crashed or lost power while actually saving regions to disk. The method may roll back a
partially-committed transaction to ensure atomicity, or it may complete the transaction.
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It is legal to call save_all() while in this context. Doing so creates a sort of “checkpoint”; if an
exception is raised, the context rolls back to the last checkpoint. There is an implicit checkpoint at the
beginning of the context.
Nested invocations are legal but have no effect.
This consumes memory more aggressively than normal operations. It ignores the max_cache attribute
for the sake of correctness.
Warning: This is not the same as thread safety. If you require thread safety, use explicit locking. Multiple threads attempting to enter or exit the atomic context at the same time can cause data corruption,
and the rest of the class is similarly unsafe for concurrent access.
Note: Atomicity is only guaranteed on systems where os.replace() is atomic and os.fsync()
can be used on a directory. Most POSIX-compliant systems should satisfy these requirements. Windows
most likely fails the second and perhaps the first as well.
cache_size
Number of regions currently cached.
Should always be <= max_cache, except inside a Dimension.atomic invocation.
entities
Sliceable collection of entities.
Provides a similar slicing API to the dimension itself, except that extended slicing and ordinary indexing
are unsupported. Slicing the object returns a set of entities. Slices may also be assigned to and deleted. As
with dimensions, all slices must be fully-qualified, except for Y-dimension slices. Unlike with dimensions,
slice indices may be fractional.
Other collection-related operations are not currently supported.
Note: The slices are sets, not lists. Duplicate entities with the same UUID and type are not supported and
will be silently coalesced.
max_cache
The maximum number of regions to keep cached at once.
If zero, no regions will be cached; every lookup will hit the disk.
Note: Even if this is zero, some regions will be cached for short periods of time during slicing operations.
This is because slice assignment may need to hit multiple regions at once. The cache size will also be
unrestricted by this parameter while inside a Dimension.atomic invocation.
If -1, the cache size is unlimited; once a region has been loaded, it will not be unloaded.
recover_atomic() → bool
Recover from a failure during atomic or save_all().
Call this method if a system crash or other severe problem occurs while exiting an atomic block. It is
not necessary to call this method if the crash occurred while control was still inside the block. The method
should also be called if save_all() raised an exception, even if it did so inside an atomic block.
Return True if the changes were saved, False if the changes were rolled back. Also return True if the
Dimension is already in a “clean” state and recovery is unnecessary.
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Warning: Do not call this method while a save is in progress. Doing so will likely cause severe data
corruption. This rule applies regardless of which process is performing the save. save_all() raises
a ConcurrentError to indicate that it believes a save cannot be safely made at the current time.
Calling this method will override that safety check.
save_all()
Save every region currently cached.
Regions which are no longer cached have already been saved.
Prefer correctness over speed; provide the same guarantees as Dimension.atomic.
A ConcurrentError is raised if another save appears to have been in progress when this method was
called. Under no circumstances are two or more save_all() calls allowed to run concurrently on the
same directory; all but one will always fail with an exception.
If an exception is raised under other circumstances, it is recommended to call recover_atomic().
save_fast()
Save every region currently cached (like save_all()).
Prefer speed over correctness; do not provide any guarantees beyond those of the basic region caching
system.
region Module
class nbtparse.minecraft.terrain.region.Region(region_x: int, region_z: int)
Bases: collections.abc.MutableMapping
A Minecraft region file.
region_x and region_z should be the region coordinates (as they appear in the filename). Standard constructor creates an empty region. load() loads a region from a file.
For both loading and saving, files generally need to be seekable. This may pose a problem if you want to send a
region over the network or through a pipe. Depending on your memory and disk resources, you may be able to
use io.BytesIO or tempfile as temporary buffers.
Contains individual chunks. Access chunk (1, 2), in chunk coordinates, as follows:
r = Region.load(...)
chunk = r[1, 2]
No slicing. A KeyError is raised if the chunk does not exist. You may use absolute or relative coordinates
as you please; they will be translated into positive relative coordinates via modulus. You may also replace one
chunk with another.
clear()
Mark this region as empty.
Equivalent to deleting every chunk from the region, but quite a bit faster.
classmethod load(region_x: int, region_z: int, src: _io.BufferedReader)
Load a region from disk (or another I/O-like object).
src must support seeking in both directions.
save(dest: _io.BufferedWriter)
Save the state of this region.
dest must support seeking in both directions.
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chunk Module
nbtparse.minecraft.terrain.chunk.BlockField
Exposes the blocks in a section.
If default is None, a new empty buffer will be created as the default.
class nbtparse.minecraft.terrain.chunk.Chunk(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
entities
List of Entity objects.
height_map
The height map for this chunk.
Note: It is planned that a lighting engine will manage this attribute automatically. This is not yet implemented.
static prepare_load(nbt:
nbtparse.syntax.tags.CompoundTag)
parse.syntax.tags.CompoundTag
Unwrap nbt from a singleton CompoundTag.
→
nbt-
static prepare_save(nbt:
nbtparse.syntax.tags.CompoundTag)
parse.syntax.tags.CompoundTag
Wrap nbt in a singleton CompoundTag.
→
nbt-
sections
Mutable mapping from Y-indices to Sections.
Y-indices which are not present in the underlying NBT will be automagically created as empty sections
upon attempting to retrieve them.
The key in this mapping will override the y_index attribute if they disagree.
Note: It is acceptable to replace this mapping with an entirely different mapping. If you do so, the magic
creation of missing sections will very likely not work. If you prefer creating sections explicitly, code like
the following will disable the magic:
c = Chunk.from_nbt(...)
c.sections = dict(c.sections)
tiles
List of TileEntity objects.
Note: This attribute is generally managed by the Region which created this chunk. Manually changing
it is usually unnecessary.
class nbtparse.minecraft.terrain.chunk.HeightMap(intlist: [<class ‘int’>])
Bases: collections.abc.MutableMapping
The height map of a chunk.
Maps coordinates to heights:
hm[3, 4] = 5
Keys may not be inserted or deleted, and must be pairs of integers. Intlist should be the raw list of integers as
saved by Minecraft.
to_raw() → [<class ‘int’>]
Returns the raw list used by Minecraft.
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nbtparse.minecraft.terrain.chunk.HeightMapField
Field for HeightMap.
class nbtparse.minecraft.terrain.chunk.Section(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
blocks
VoxelBuffer of this section.
y_index
The Y-index of this section.
From 0 to 15 inclusive.
nbtparse.minecraft.terrain.chunk.SectionDictField
Field for the sections of a chunk.
Keys are y_index, values are sections.
voxel Module Terrain editing at the level of individual blocks.
Note: This is the pure Python version of the module. Pass --cython to setup.py to install the Cython version.
class nbtparse.minecraft.terrain.voxel.Block(id: int, data: int=0)
Bases: builtins.object
A basic block, not including tile entity data.
Blocks are not NBTObjects because Minecraft does not store them that way. They cannot be serialized directly
to NBT. Instead, Minecraft stores blocks in groups called chunks.
id is the block id, a nonnegative integer. data is the damage value, also a nonnegative integer.
Blocks compare equal if they have the same id and data. Blocks are immutable and hashable.
data
The block damage value.
id
The block ID.
class nbtparse.minecraft.terrain.voxel.VoxelBuffer(length: int, height: int, width: int)
Bases: builtins.object
A 3D buffer of blocks.
Stores block IDs and damage values in much the same way as Minecraft: a “packed” format involving 8-bit
strings (i.e. bytearray).
Basic constructor will create a buffer full of air (block ID 0).
Blocks may be retrieved or changed with standard subscription. Slicing is also acceptable, and assigning a
block to a slice is interpreted as filling the slice with the block. However, it is not possible to resize a buffer once
created. Replacing a single block with subscription will erase the accompanying tile entity. Slicing is a shallow
copy, and will only duplicate references to tile entities.
Slicing a VoxelBuffer is a potentially expensive operation. It is linear in the total volume sliced, which sounds
fine until we realize that the volume of a cube is (logically enough) cubic in the edge length. Slices covering an
entire VoxelBuffer are very fast, as they are optimized into a single memory copy. This currently does not apply
to any other slices. Manipulating individual blocks is relatively fast, however.
VoxelBuffers can be iterated. This is done in the rather esoteric YZX order rather than the conventional XYZ
order because the former is more natural in practice. The VoxelBuffer.enumerate() method may be
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used to prepend (x, y, z) coordinates in much the same way as the builtin enumerate() does. Standard
iteration is marginally faster than the following code, because it skips some unnecessary sanity checks:
for y in range(vb.height):
for z in range(vb.width):
for x in range(vb.length):
yield vb[x, y, z]
If you want to iterate in the XYZ ordering instead, use xyz().
Note: Do not write this, as it does not work:
vb = VoxelBuffer(length, height, width)
block = vb[x][y][z]
Instead, write this:
vb = VoxelBuffer(length, height, width)
block = vb[x, y, z]
enumerate()
Iterate over the blocks in the buffer, with coordinates.
Produces the (x, y, z) coordinates of each block in addition to the block itself:
for (x, y, z), block in vb.enumerate():
# block is equivalent to vb[x, y, z]
classmethod from_raw(ids: bytes, addids: bytes, damages: bytes, length: int, height: int, width: int)
Create a new VoxelBuffer from the provided buffers.
These buffers should be bytes objects (or acceptable to bytes()). Each byte or nybble should correspond to a block, in the same format as minecraft stores terrain data.
No tile entities will be attached to the terrain. You must do this manually.
Do not use this to duplicate a VoxelBuffer. Instead, take a slice of the entire buffer.
height
The height (Y-axis) of the buffer.
length
The length (X-axis) of the buffer.
Note: This should not be confused with the len() of the buffer, which is the product of the length,
width, and height (i.e. the volume), for consistency with iteration.
tilemap
Mutable mapping from coordinates to tile entities.
Overwriting a single block with subscription will delete the corresponding entry from this mapping, even if
the block is otherwise unchanged. Overwriting a slice of blocks will replace the entries with the equivalent
entries from the other buffer.
Example code:
vb.tilemap[(x, y, z)] = tile.TileEntity(...)
The following is exactly equivalent and, in the opinion of the author, more readable:
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vb.tilemap[x, y, z] = tile.TileEntity(...)
Note: This is a mapping, not a 3D array or similar. It cannot be sliced and negative indices will not be
converted into positive indices.
Note: Coordinates are always relative to the origin of the VoxelBuffer, as with subscription. This means
they do not correspond to the TileEntity.coords attribute. Furthermore, said attribute will be ignored and overwritten with the coordinates provided to this mapping when the chunk is placed into a
region.
to_raw() -> (<class ‘bytes’>, <class ‘bytes’>, <class ‘bytes’>)
Return the raw buffers as used by Minecraft.
unwatch(observer: <built-in function callable>)
Unregister a previously-registered observer.
Undoes a previous call to watch(). KeyError is raised if the observer was never registered.
Observers are not automatically unregistered, so it is important to call this method manually if you intend
the VoxelBuffer to outlive the observers.
watch(observer: <built-in function callable>)
Register an observer.
The observer will be called with three arguments every time the buffer is modified. The arguments will be
one of the following:
•The (x, y, z) coordinates of the single block which has changed.
•Three range objects, describing the set of blocks which have changed (the range of X coordinates,
Y coordinates, and Z coordinates).
The observer must be hashable. If this is a problem, wrap it in a lambda expression.
Changes to tilemap will not trigger notifications.
width
The width (Z-axis) of the buffer.
xyz()
Iterate over the blocks in the buffer, in XYZ order.
Produces coordinates, just like VoxelBuffer.enumerate().
Performance of the voxel module The voxel module is implemented both in pure Python and in Cython. When
you import it, you will receive the most performant version available.
When running setup.py on a system with a compatible version of Cython, pass the --cython flag to request the
inclusion of the Cython version. Otherwise, it is excluded by default.
The Cython version is, generally speaking, far more performant than the Python version, unless you happen to be a
PyPy user. Both versions are optimized under the assumption that tile entities are relatively rare and most blocks are
ordinary blocks. This assumption allows the Cython version to release the GIL when copying memory. It should be
possible, in principle, to realize considerable gains from parallelism here. However, the current implementation does
not do so.
The Cython version of the module implements the buffer protocol, as described in PEP 3118. This allows C code
fast access to the underlying memory backing a VoxelBuffer. VoxelBuffers provide buffers compatible with the flag
value PyBUF_RECORDS. Each element is an unsigned short with native byte order (i.e. the format string is H).
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The block ID is stored in the 12 least significant bits, and the data value is stored in the next 4 bits. On those arcane
architectures where unsigned short is not 16 bits, the remaining high bits are ignored.
Note: As an implementation detail, buffers are contiguous in the YZX order (that is, with the second index changing
least often and the first index changing most often). This behavior is not contractual, but it may help you maximize
CPU cache hits.
Warning: Modifications made through the buffer protocol will not trigger notifications to any observers which
may be registered.
filters Module
class nbtparse.minecraft.terrain.filters.Filter(vb:
nbtparse.minecraft.terrain._voxel.VoxelBuffer)
Bases: collections.abc.Mapping
Filter for rapidly finding all blocks of a given type.
Keys are Block objects or integers. Values are sets of (x, y, z) 3-tuples. Filters maintain the following invariants:
vb = VoxelBuffer(...) # with arbitrary contents
block = Block(number, data)
filter = Filter(vb)
((x, y, z) in filter[block]) == (vb[x, y, z] == block)
((x, y, z) in filter[number]) == (vb[x, y, z].id == number)
The filter updates automatically when the VoxelBuffer changes.
Initially constructing a filter is expensive, but keeping it up-to-date is relatively cheap. You may realize performance gains by constructing a single filter and reusing it many times.
Integer keys will not appear in iteration, because the same information is already available via block keys.
close()
Close this filter so it can no longer be used.
Filters slow down the VoxelBuffers they are attached to. Closing them is good practice. Using a filter as a
context manager will close it automatically when the context is exited:
with Filter(vb) as filt:
pass
Closing a filter twice is legal and has no effect. Doing anything else with a closed filter will raise a
RuntimeError.
copy_vb() → nbtparse.minecraft.terrain._voxel.VoxelBuffer
Return a copy of the VoxelBuffer and attach to it.
This will detach the filter from the original VoxelBuffer, so it will track the copy instead.
This is equivalent to the following code, but significantly faster:
filter.close()
copy = vb[...]
filter = Filter(copy)
tile Module
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class nbtparse.minecraft.terrain.tile.AbstractDispenser(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.Container
A dropper or dispenser.
items
Things to dispense or drop.
class nbtparse.minecraft.terrain.tile.Beacon(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A beacon.
id
Usually equal to ‘Beacon’
levels
How tall the pyramid is
primary
The primary power selected (as a potion ID)
secondary
The secondary power selected (as a potion ID)
class nbtparse.minecraft.terrain.tile.Cauldron(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.Container
A brewing stand (not actually a cauldron).
brew_time
How long the brewing stand has been brewing.
Measured in ticks.
id
Usually equal to ‘Cauldron’
items
The items in the brewing stand.
Slots numbered from 0 to 3 inclusive.
class nbtparse.minecraft.terrain.tile.Chest(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.Container
A single chest. Double chests are two of these next to each other.
id
Usually equal to ‘Chest’
items
List of items in the chest.
Slots go from 0 to 26. 0 is the top left corner.
class nbtparse.minecraft.terrain.tile.Comparator(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A comparator.
id
Usually equal to ‘Comparator’
output
Strength of the output signal.
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Will very likely be overwritten on the next block update.
class nbtparse.minecraft.terrain.tile.Container(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
One of several different kinds of containers.
Consult the id to determine which kind.
custom_name
The custom name of this container.
Rename using an anvil.
lock
Optional string specifying a “lock item.”
Players not carrying the lock item will be unable to open the container.
class nbtparse.minecraft.terrain.tile.Control(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.Container
A control block.
command
The command to send on activation.
id
Usually equal to ‘Control’
last_output
Output from most-recently executed command.
success_count
Strength of the redstone output.
Used for commands like /testfor. Only updates on activation.
track_output
Unknown.
class nbtparse.minecraft.terrain.tile.DaylightSensor(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A daylight sensor.
id
Usually equal to ‘DLDetector’
class nbtparse.minecraft.terrain.tile.Dispenser(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.AbstractDispenser
A dispenser.
id
Usually equal to ‘Trap’
class nbtparse.minecraft.terrain.tile.Dropper(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.AbstractDispenser
A dropper.
id
Usually equal to ‘Dropper’
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class nbtparse.minecraft.terrain.tile.EndPortal(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
An end portal.
id
Usually equal to ‘Airportal’
class nbtparse.minecraft.terrain.tile.FlowerPot(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A flower pot.
flower_type
Data value of the contents of the pot.
id
Usually equal to ‘FlowerPot’
item
Block ID of the contents of the pot.
Most block ID’s will not work; generally only plants are allowed.
class nbtparse.minecraft.terrain.tile.Furnace(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.Container
A furnace.
burn_time
Number of ticks of fuel remaining.
cook_time
Number of ticks current item has been cooking for
When this reaches 300, item is done.
id
Usually equal to ‘Furnace’
items
List of items, with slot field.
Slot 0 is the cooking item, slot 1 is the fuel, and slot 2 is the output.
class nbtparse.minecraft.terrain.tile.Hopper(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.Container
A hopper.
cooldown
Time until the next transfer.
Zero if no transfer is imminent.
id
Usually equal to ‘Hopper’
items
Items in the hopper
class nbtparse.minecraft.terrain.tile.Music(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A music block.
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id
Usually equal to ‘Music’
note
Pitch of the block.
Every right click increases this by 1. In music theory terms, this measures the number of semitones above
F# (octave 3). Values may range from 0 to 24 inclusive, or two full octaves.
class nbtparse.minecraft.terrain.tile.Piston(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A piston.
block_data
Data (damage) value of the moving block.
block_id
Block ID of the moving block.
extending
Whether we are extending.
facing
Direction the piston is facing.
id
Usually equal to ‘Piston’
progress
How far the block has moved.
class nbtparse.minecraft.terrain.tile.RecordPlayer(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A jukebox.
id
Usually equal to ‘RecordPlayer’
record_id
Item ID of the record being played.
Zero if the jukebox is empty.
record_item
The record in the jukebox.
Can place other items here as well.
class nbtparse.minecraft.terrain.tile.Sign(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A sign.
id
Usually equal to ‘Sign’
line1
First line of text.
If longer than 16 characters, excess is discarded.
line2
Second line of text.
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line3
Third line of text.
line4
Fourth (last) line of text.
class nbtparse.minecraft.terrain.tile.Skull(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A skull on the ground.
id
Usually equal to ‘Skull’
rotation
Rotation (same as sign data values).
skull_id
Data value of the skull.
skull_name
Name of player whose skull it is.
class nbtparse.minecraft.terrain.tile.SpawnPotential(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
One possible spawn from a spawner.
properties
Tags to copy to the entity to spawn.
type
ID of the entity to spawn
weight
Relative likelihood that this spawn will be used.
Must be positive.
class nbtparse.minecraft.terrain.tile.Spawner(*args, **kwargs)
Bases: nbtparse.minecraft.terrain.tile.TileEntity
A mob spawner.
delay
Time until next spawn in ticks.
If set to -1 (the default for newly-created Spawners), randomize this value, entity_id, and
spawn_data when a player comes in range.
entity_id
The ID of the next entity spawned.
id
Usually equal to ‘MobSpawner’
max_delay
Maximum allowed delay, when Minecraft generates it.
max_entities
Maximum entities to spawn.
If this is exceeded, stop spawning until some of the entities go out of range.
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min_delay
Minimum allowed delay, when Minecraft generates it.
player_range
Maximum distance from a player.
If no player is within this range, the spawner will shut down.
spawn_count
Number of mobs to spawn at once.
spawn_data
Tags to copy to the next entity spawned.
spawn_potentials
List of SpawnPotentials.
Used to fill in some of the fields of this object after each spawn.
spawn_range
How far away from the spawner to spawn.
X and Y are both indepently constrained by this radius, so the target area is square rather than circular.
class nbtparse.minecraft.terrain.tile.TileEntity(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
A tile entity. Stores additional data about a block.
coords
The coordinates of this tile entity.
Note: region.Region will usually overwrite this attribute with the appropriate value; you do not need
to work with it directly.
id
A string identifying the type of tile entity.
1.3.2 semantics Package
Contents
•
•
•
•
semantics Package
fields Module
filetype Module
nbtobject Module
semantics Package
Modules relating to NBT semantics
The modules in this package provide intermediate constructs to simplify working with NBT. Their primary purpose is
making nbtparse.minecraft modules less repetitive and easier to understand.
Nothing in this package directly relates to Minecraft itself, however, so you may find uses for it in other contexts.
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fields Module
A field is part of a TAG_Compound that corresponds to a top-level tag.
It knows how to translate a tag or group of tags into a Pythonic value and back again, and uses the descriptor protocol
to make this translation seamless.
Typical usage would be something like this:
class FooFile(NBTFile):
bar = LongField(u'Bar')
Thereafter, when saving or loading a FooFile, the top-level TAG_Long called Bar will be accessible under the
attribute bar. The NBT version is still accessible under the FooFile.data attribute (or by calling the to_nbt()
method, which is usually more correct).
Fields are a thin abstraction over the data dict in an NBTObject; modifying the dict may cause Fields to misbehave.
Idea shamelessly stolen from Django, but massively simplified.
nbtparse.semantics.fields.AbstractField
Root of the Field class hierarchy.
nbtparse.semantics.fields.BooleanField
Field for a TAG_Byte acting as a boolean.
nbtparse.semantics.fields.ByteArrayField
Field for a TAG_Byte_Array.
nbtparse.semantics.fields.ByteField
Field for a TAG_Byte acting as an integer.
nbtparse.semantics.fields.DoubleField
Field for a TAG_Double.
nbtparse.semantics.fields.EnumField
Field for an enumerated type.
See enum.
nbtparse.semantics.fields.FloatField
Field for a TAG_Float.
nbtparse.semantics.fields.IntArrayField
Field for a TAG_Int_Array.
nbtparse.semantics.fields.IntField
Field for a TAG_Int.
nbtparse.semantics.fields.ListField
Field for a TAG_List.
The ListTag will be given an id of content_id for the elements.
nbtparse.semantics.fields.LongField
Field for a TAG_Long.
nbtparse.semantics.fields.MultiField
Field combining multiple top-level tags into one object.
Controls a series of one or more top-level tags which should be combined into a single Pythonic object. If the
tags are enclosed in a TAG_Compound, consider using an NBTObjectField instead.
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This is an abstract class. to_python() will be called with the same number of arguments as nbt_names
has elements, in the same order specified, and should return a value acceptable to from_python(), which
should produce a sequence of the same values passed as arguments to to_python().
If a tag does not exist, to_python() will be passed None instead of the corresponding tag.
from_python() produces a None value, the corresponding tag will be skipped.
If
default should be a value acceptable to from_python(), which will be called when setting the field to its
default value.
nbtparse.semantics.fields.MutableField
Mutable variant of a field.
Caches the Pythonic value and holds a reference to it. Such a value can be safely mutated in-place. Needed for
mutable types like lists, as well as immutable types whose contents may be mutable, such as tuples.
The cache_key must be unique within the object. By convention, it is the nbt_name or nbt_names attribute. It
must be hashable but has no other restrictions.
This class must precede any class which overrides __get__(), __set__(), and/or __delete__() in
the method resolution order. In particular, it must precede MultiField or SingleField. If you do not
understand what that means, just make sure your code looks like this:
class FooField(MutableField, SingleField):
pass
...rather than like this:
class FooField(SingleField, MutableField):
pass
Combining with ReadOnly is inadvisable and will generate a warning.
nbtparse.semantics.fields.NBTObjectField
Field for an NBTObject.
Usually a TAG_Compound but exact contents will vary.
In other words, a brand-new instance of the object will be created, with all its fields set to their default values.
nbtparse.semantics.fields.ObjectListField
Field for a TAG_List of NBTObjects.
nbtparse.semantics.fields.ObjectTupleField
Field for a TAG_List of NBTObjects, as a tuple.
class nbtparse.semantics.fields.ReadOnly(wrapped: nbtparse.semantics.fields.AbstractField)
Bases: builtins.object
Field wrapper which disallows modification.
__set__() and __delete__() raise an AttributeError. __get__() is silently forwarded to the
wrapped field. Other field operations are not implemented at all.
Because __get__() forwards all accesses, including class-level access, it will cause the docstring and
repr() of the wrapped field to appear instead of the docstring and repr() of the wrapper.
Wrappers of this type are suitable for computing __hash__(), and for other scenarios in which a value must
not change after construction.
This wrapper does not inherit from AbstractField, because it behaves rather differently from real fields and
would otherwise confuse some of the NBTObject machinery. As a consequence, it will not be set to its default
value by the standard NBTObject __init__(). If you want this functionality included, expose wrapped as
an underscore-prefixed field.
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Note: If the wrapped field is a MutableField, the read-only restriction may not be observed if client code
modifies the return value of __get__() in-place. Because this combination makes little sense anyway, a
warning is raised when it occurs.
wrapped
The wrapped field, which may be modified directly.
It is recommended to expose this as an underscore-prefixed field on the class, as an escape-hatch for
__init__() and the like. Such an underscore-prefixed field will also receive a set_default()
if __init__() has not been overridden, and will appear in field-by-field introspection (while the immutable wrapper will not).
nbtparse.semantics.fields.ShortField
Field for a TAG_Short.
nbtparse.semantics.fields.SingleField
Field for a single top-level tag.
This is an abstract class. to_python() is passed an NBT tag (see nbtparse.syntax.tags) and should
return some object. That object should be acceptable to from_python(), which should return the equivalent
NBT tag.
nbtparse.semantics.fields.TupleListField
Field for a TAG_List; converts to a tuple.
This should not be confused with TupleMultiField, which takes several top-level tags and wraps them
together into a single field. This takes a single TAG_List and converts it into a tuple. ListField takes a
single TAG_List and converts it into a list.
nbtparse.semantics.fields.TupleMultiField
Field which combines several tags into a tuple.
to_pythons and from_pythons should be sequences of functions which translate each item listed in
nbt_names into its corresponding Python value.
nbtparse.semantics.fields.UTCField
Field for a TAG_Long holding a Unix timestamp.
Note that this is always in UTC. See datetime for documentation.
nbtparse.semantics.fields.UUIDField
Field which combines two TAG_Long‘s into a UUID.
A default of None will generate a new UUID every time. Assigning None in the ordinary fashion is
equivalent to deleting the field.
nbtparse.semantics.fields.UnicodeField
Field for a TAG_String.
nbtparse.semantics.fields.self_reference(field_name: str, nbt_name: str) → function
Class decorator to allow a class’s fields to refer to the class itself.
Typical usage:
@self_reference('parent', u'ParentFoo')
class Foo(NBTObject):
pass
Now Foo.parent is an NBTObjectField for a Foo.
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filetype Module
Provides classes for working with NBT files as objects.
These classes extend nbtparse.semantics.nbtobject and provide save and load methods so the file can be
easily (de)serialized.
class nbtparse.semantics.filetype.GzippedNBTFile(*args, **kwargs)
Bases: nbtparse.semantics.filetype.NBTFile
Gzipped variant of NBTFile.
classmethod load(input: io.BufferedIOBase)
Creates a new NBTFile from the gzipped input file-like.
save(output: io.BufferedIOBase, rootname: str=’‘)
Writes this file to output as gzipped NBT.
class nbtparse.semantics.filetype.NBTFile(*args, **kwargs)
Bases: nbtparse.semantics.nbtobject.NBTObject
Simple class for handling NBT encoded files holistically.
An entire NBT file is read and decoded via tags.decode_named, and then converted into a Pythonic object.
classmethod load(input: io.BufferedIOBase)
Creates a new NBTFile from the input file-like.
Returns (rootname, NBTFile), where rootname is the name of the root tag. Conventional
NBTObjects do not make use of their external names, so if you intend to use it somewhere, you need to
capture it here.
save(output: io.BufferedIOBase, rootname: str=’‘)
Writes this file to output as NBT.
The root tag will be called rootname.
nbtobject Module
NBT high-level object-oriented class
NBTObject is an object-oriented wrapper for CompoundTag, designed to expose its fields in a standard and welldocumented fashion.
class nbtparse.semantics.nbtobject.NBTMeta(name, bases, dct)
Bases: builtins.type
Metaclass for NBTObjects.
Allows NBTObjects to track their fields upon creation.
all_fields() → collections.abc.Set
Return a set of all fields attached to this class.
Includes fields whose names begin with underscores.
attach_field(field: nbtparse.semantics.fields.AbstractField, field_name: str)
Attaches the given field with the given name to the class.
Changing a class after it’s created is usually a Bad Idea; this method is meant to be used in class decorators
and other contexts where you can be reasonably sure the class has not yet been instantiated.
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detach_field(field_name: str)
Detaches the field with the given name from the class.
Changing a class after it’s created is usually a Bad Idea; this method is meant to be used in class decorators
and other contexts where you can be reasonably sure the class has not yet been instantiated.
fields() → collections.abc.Set
Return a set of the public fields attached to this class.
The elements of the set are strings whose names correspond to those of the fields. They are suitable
arguments for getattr() and setattr().
Does not include fields whose names begin with underscores.
class nbtparse.semantics.nbtobject.NBTObject(*args, **kwargs)
Bases: builtins.object
Thin wrapper over a TAG_Compound.
Typically houses one or more fields.
Calling the constructor directly will create an empty object with all fields set to their default values, except for
any specifically initialized as keyword arguments. Calling from_nbt() will populate fields from the provided
NBT.
Note: If the default of a field is None, that field will be set to None, which is equivalent to leaving it empty.
Such fields will not be present in the generated NBT unless their values are changed by hand. In some cases,
this means newly created objects will require modification before they can be meaningfully saved.
Some fields don’t observe the above semantics and will do something different when the default is None. This
is noted in the fields documentation where applicable. Such fields will still erase their contents if explicitly
set to None.
classmethod all_fields() → collections.abc.Set
Forwards to NBTMeta.all_fields(), which see.
data = None
The underlying CompoundTag for this NBTObject.
Fields store and retrieve instance data in this attribute. It is largely used as-is when calling to_nbt(), but
some fields may customize this process in their save() methods. Some NBTObjects will also alter the
output by overriding to_nbt(). For these reasons, direct manipulation of this attribute is discouraged.
It may still prove useful for debugging or for cases where a key is not controlled by any field.
classmethod fields() → collections.abc.Set
Forwards to NBTMeta.fields(), which see.
classmethod from_bytes(raw: bytes)
Deserialize a new NBTObject from a bytes object.
The name of the root tag is discarded.
classmethod from_nbt(nbt: nbtparse.syntax.tags.CompoundTag)
Creates a new NBTObject from the given NBT representation.
Stores the given NBT in the data attribute of the newly-created object.
Also calls the load() methods of all the fields.
classmethod prepare_load(nbt:
nbtparse.syntax.tags.CompoundTag)
parse.syntax.tags.CompoundTag
Hook called during from_nbt() with the loaded NBT.
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Should return a CompoundTag after (for instance) unwrapping data inside a singleton CompoundTag or
performing other transformations.
Unless overridden, return argument unchanged.
This hook runs before any fields’ load() methods are called. It is the first hook after the NBT has been
loaded.
Note: Unlike prepare_save(), this method must be callable as a class method. In practice, both
methods can often be implemented as static methods anyway.
prepare_save(nbt: nbtparse.syntax.tags.CompoundTag) → nbtparse.syntax.tags.CompoundTag
Hook called during to_nbt() with the to-be-saved NBT.
Should return a CompoundTag after (for instance) wrapping data inside a singleton CompoundTag or
performing other transformations.
Unless overridden, return argument unchanged.
This hook runs after all fields’ save() methods are called. It is the last hook before the NBT is saved.
to_bytes() → bytes
Serialize this NBTObject directly to a bytes object.
The root tag will have no name.
to_nbt() → nbtparse.syntax.tags.CompoundTag
Returns an NBT representation of this object.
By default, return self.data, which is sufficient if all data is kept in fields.
Also calls the save() methods of all the fields.
1.3.3 syntax Package
Contents
• syntax Package
• tags Module
syntax Package
Utilities relating to low-level NBT syntax.
The package currently consists of a single module, plus a class that used to be a module:
• tags provides object-oriented NBT encoding and decoding.
• ids provides tag ID’s (e.g. ids.TAG_Byte is 1).
class nbtparse.syntax.ids
Bases: enum.IntEnum
Defines various tag ID’s.
Formerly a module, now implemented as a class. This provides various benefits while retaining compatibility
and a straightforward interface.
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TAG_Byte = None
ID of a TAG_Byte
TAG_Byte_Array = None
ID of a TAG_Byte_Array
TAG_Compound = None
ID of a TAG_Compound
TAG_Double = None
ID of a TAG_Double
TAG_End = None
ID of a TAG_End
TAG_Float = None
ID of a TAG_Float
TAG_Int = None
ID of a TAG_Int
TAG_Int_Array = None
ID of a TAG_Int_Array
TAG_List = None
ID of a TAG_List
TAG_Long = None
ID of a TAG_Long
TAG_Short = None
ID of a TAG_Short
TAG_String = None
ID of a TAG_String
tags Module
Types for the various NBT tags.
Every tag type has a corresponding Pythonic class. Most of these are subclasses of various built-in classes with
additional NBT encoding and decoding functionality. Generally speaking, TAG_Foo‘s counterpart will be called
FooTag. Most tags are immutable and hashable, and use a values-based definition of equality; this is usually inherited
from the corresponding built-in class.
The tags all inherit from TagMixin, an abstract mixin class. TagMixin provides some method implementations
and a great deal of high-level documentation; if a particular tag’s documentation is unclear, consult TagMixin as
well.
TagMixin.decode_named() is also exposed at the module level for convenience.
This module will also log the encoding and decoding process via logging; the logger has the same name as the
module. Since encoding and decoding are generally very low-level processes, nearly everything is logged at the
DEBUG level; some irregularities when decoding are logged at WARNING, and irregularities while encoding will
instead generate ordinary warnings (i.e. warnings.warn()). See the logging documentation for instructions on
how to access this data or ignore it.
class nbtparse.syntax.tags.ByteArrayTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.bytes
Represents a TAG_Byte_Array.
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Derives from bytes, and can be used anywhere that bytes would be valid.
Note that this is generally not used to represent text because it lacks encoding information; see StringTag for
that.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’)
Read a TAG_Byte_Array payload into a new ByteArrayTag.
encode_payload(output: io.BufferedIOBase, errors: str=’strict’) → int
Writes this tag as a sequence of raw bytes to output.
Returns the total number of bytes written, including the length.
tag_id
Equal to ids.TAG_Byte_Array.
class nbtparse.syntax.tags.ByteTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.int
Represents a TAG_Byte.
Derives from int, and can be used anywhere an int is valid.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’) → int
Decode a fixed-width value from input.
Value is 1 bytes wide.
encode_payload(output: io.BufferedIOBase, errors=’strict’)
Encode a fixed-width value to output.
If the value is too large to fit into the appropriate representation, an OverflowError will result.
tag_id
Equal to ids.TAG_Byte.
class nbtparse.syntax.tags.CompoundTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.dict
Represents a TAG_Compound.
Unlike most other tags, this tag is mutable and unhashable.
Derives from dict and may be used in place of one.
Keys are names, values are tags.
The terminating TAG_End is handled automatically; you do not need to worry about it.
This implementation does not preserve the order of the tags; this is explicitly permitted under the NBT standard.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’)
Decodes a series of named tags into a new CompoundTag.
encode_payload(output: io.BufferedIOBase, errors: str=’strict’) → int
Encodes contents as a series of named tags.
Tags are fully formed, including ids and names.
Errors is passed to the Unicode encoder for encoding names, and to the individual tag encoders.
tag_id
Equal to ids.TAG_Compound.
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class nbtparse.syntax.tags.DoubleTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.float
Represents a TAG_Double.
Derives from float, and can be used anywhere a float is valid.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’) → int
Decode a fixed-width value from input.
Value is 8 bytes wide.
encode_payload(output: io.BufferedIOBase, errors=’strict’)
Encode a fixed-width value to output.
If the value is too large to fit into the appropriate representation, an OverflowError will result.
tag_id
Equal to ids.TAG_Double.
class nbtparse.syntax.tags.EndTag
Bases: nbtparse.syntax.tags.TagMixin
Represents a TAG_End.
EndTags always compare equal to one another, are immutable and hashable, and are considered False by
bool(). Subclassing it is probably not a great idea.
For all practical purposes, you can think of EndTag() as the tag equivalent of None.
You probably won’t need this very often; TAG_End mostly only shows up as the terminating sentinel value for
TAG_Compound, and CompoundTag handles that automatically. It’s here if you need it, though.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’)
Returns an EndTag
Does not interact with input at all.
encode_named(name: str, output: io.BufferedIOBase, errors: str=’strict’) → int
Writes a single null byte to output.
encode_payload(output: io.BufferedIOBase, errors: str=’strict’) → int
Does nothing, since TAG_End has no payload.
tag_id
Equal to ids.TAG_End.
class nbtparse.syntax.tags.FloatTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.float
Represents a TAG_Float.
Derives from float, and can be used anywhere a float is valid.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’) → int
Decode a fixed-width value from input.
Value is 4 bytes wide.
encode_payload(output: io.BufferedIOBase, errors=’strict’)
Encode a fixed-width value to output.
If the value is too large to fit into the appropriate representation, an OverflowError will result.
tag_id
Equal to ids.TAG_Float.
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class nbtparse.syntax.tags.IntArrayTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.list
Represents a TAG_Int_Array.
Unlike most other tags, this tag is mutable and unhashable.
Derives from list and may be used in place of one.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’)
Decodes a series of integers into a new IntArrayTag.
encode_payload(output, errors=’strict’)
Encodes contents as a series of integers.
tag_id
Equal to ids.TAG_Int_Array.
class nbtparse.syntax.tags.IntTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.int
Represents a TAG_Int.
Derives from int, and can be used anywhere an int is valid.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’) → int
Decode a fixed-width value from input.
Value is 4 bytes wide.
encode_payload(output: io.BufferedIOBase, errors=’strict’)
Encode a fixed-width value to output.
If the value is too large to fit into the appropriate representation, an OverflowError will result.
tag_id
Equal to ids.TAG_Int.
class nbtparse.syntax.tags.ListTag(iterable=None, content_id=None)
Bases: nbtparse.syntax.tags.TagMixin, builtins.list
Represents a TAG_List.
Unlike most other tags, this tag is mutable and unhashable.
instance.content_id identifies the type of the tags listed in this tag. During initialization, ListTag will
attempt to guess content_id if it is not provided. If the list is empty, it defaults to None and the list will not be
encodable.
content_id
Identifies the tag id of the tags listed in this TAG_List.
Starts at None if the list was initially empty and a content_id was not provided. While this is None, the
tag cannot be encoded.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’)
Decode a list of tags.
encode_payload(output: io.BufferedIOBase, errors: str=’strict’) → int
Encodes a series of tag payloads to output.
Returns the total number of bytes written, including metadata.
tag_id
Equal to ids.TAG_List.
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class nbtparse.syntax.tags.LongTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.int
Represents a TAG_Long.
Derives from long, and can be used anywhere a long is valid.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’) → int
Decode a fixed-width value from input.
Value is 8 bytes wide.
encode_payload(output: io.BufferedIOBase, errors=’strict’)
Encode a fixed-width value to output.
If the value is too large to fit into the appropriate representation, an OverflowError will result.
tag_id
Equal to ids.TAG_Long.
class nbtparse.syntax.tags.ShortTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.int
Represents a TAG_Short.
Derives from int, and can be used anywhere an int is valid.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’) → int
Decode a fixed-width value from input.
Value is 2 bytes wide.
encode_payload(output: io.BufferedIOBase, errors=’strict’)
Encode a fixed-width value to output.
If the value is too large to fit into the appropriate representation, an OverflowError will result.
tag_id
Equal to ids.TAG_Short.
class nbtparse.syntax.tags.StringTag
Bases: nbtparse.syntax.tags.TagMixin, builtins.str
Represents a TAG_String.
Derives from str and can be used anywhere that str is valid.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’)
Reads a TAG_String payload into a new StringTag.
TAG_String is always in UTF-8.
Errors is passed to the Unicode encoder. The default value of ‘strict’ will cause any problems (e.g. invalid
UTF-8) to raise a UnicodeError.
encode_payload(output: io.BufferedIOBase, errors: str=’strict’) → int
Writes this tag as UTF-8 to output.
Returns total bytes written, including length.
Errors is passed to the Unicode encoder. The default value of ’strict’ will cause any problems (e.g.
invalid surrogates) to raise a UnicodeError.
tag_id
Equal to ids.TAG_String.
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class nbtparse.syntax.tags.TagMixin
Bases: builtins.object
Abstract mixin class for tags.
All NBT tags inherit from TagMixin.
classmethod decode_named(input: io.BufferedIOBase, errors: str=’strict’)
Decode a named tag from input and returns (name, tag).
Reads from input; see decode_payload() for some caveats related to this.
Errors will be passed to the Unicode decoder when decoding the name and payload.
classmethod decode_payload(input: io.BufferedIOBase, errors: str=’strict’)
Decode a payload from input.
Reads from input and returns an instance of this tag. input should provide a read() method but is
otherwise unconstrained in type.
If a string needs to be decoded, pass errors to the Unicode decoder; ignored on tags which don’t need
to encode strings.
Note: input.read() must perform any buffering that may be necessary to the underlying I/O; if
it returns less data than was requested, that will be interpreted as EOF. io.BufferedIOBase and its
subclasses satisfy this requirement when in non-interactive mode, but may raise BlockingIOError if
in non-blocking mode. If you want to use non-blocking I/O here, look into event-driven frameworks; many
provide non-blocking file and socket implementations with buffer-like behavior.
encode_named(name: str, output: io.BufferedIOBase, errors: str=’strict’) → int
Encode this tag with a name (e.g. in a TAG_Compound).
Writes to output and returns bytes written; see encode_payload() for some caveats related to this.
Name should be a unicode object, not a string.
errors will be used in encoding the name and payload of this tag.
encode_payload(output: io.BufferedIOBase, errors: str=’strict’) → int
Encode the payload of this tag.
Writes to output and returns number of bytes written. Output should provide a write() method but is
otherwise unconstrained in type.
If a string needs to be encoded, pass errors to the Unicode encoder; ignored on tags which don’t need
to encode strings.
If a value is out of range, an OverflowError may result.
Note: output.write() must perform any buffering that may be necessary to the underlying I/O;
it should write its entire argument, unless something has gone wrong. io.BufferedIOBase and its
subclasses satisfy this requirement when in non-interactive mode, but may raise BlockingIOError if
in non-blocking mode. If you want to use non-blocking I/O here, look into event-driven frameworks; many
provide non-blocking file and socket implementations with buffer-like behavior.
tag_id
The ID of this tag (e.g. 1 for a TAG_Byte).
nbtparse.syntax.tags.decode_named = <bound method ABCMeta.decode_named of <class ‘nbtparse.syntax.tags.TagM
Same as TagMixin.decode_named()
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nbtparse.syntax.tags.decode_payload(input, tag_id: int, errors:
parse.syntax.tags.TagMixin
Decode a payload with tag ID tag_id.
str=’strict’) → nbt-
Helper function to look up the appropriate class and call its decode_payload() method.
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CHAPTER 2
Indices and tables
• genindex
• modindex
• search
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Chapter 2. Indices and tables
Python Module Index
n
nbtparse, 3
nbtparse.exceptions, 4
nbtparse.minecraft, 5
nbtparse.minecraft.entity, 5
nbtparse.minecraft.entityfactory, 7
nbtparse.minecraft.ids, 7
nbtparse.minecraft.item, 10
nbtparse.minecraft.level, 11
nbtparse.minecraft.mobs, 13
nbtparse.minecraft.projectile, 24
nbtparse.minecraft.terrain, 26
nbtparse.minecraft.terrain.chunk, 29
nbtparse.minecraft.terrain.dimension,
26
nbtparse.minecraft.terrain.filters, 33
nbtparse.minecraft.terrain.region, 28
nbtparse.minecraft.terrain.tile, 33
nbtparse.minecraft.terrain.voxel, 30
nbtparse.semantics, 39
nbtparse.semantics.fields, 40
nbtparse.semantics.filetype, 43
nbtparse.semantics.nbtobject, 43
nbtparse.syntax, 45
nbtparse.syntax.tags, 46
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Python Module Index
Index
Symbols
attributes (nbtparse.minecraft.mobs.Mob attribute), 17
__version__ (in module nbtparse), 3
B
A
base (nbtparse.minecraft.mobs.Attribute attribute), 13
Bat (class in nbtparse.minecraft.mobs), 14
Beacon (class in nbtparse.minecraft.terrain.tile), 34
Blaze (class in nbtparse.minecraft.mobs), 14
Block (class in nbtparse.minecraft.terrain.voxel), 30
block_data (nbtparse.minecraft.terrain.tile.Piston attribute), 37
block_id (nbtparse.minecraft.terrain.tile.Piston attribute),
37
block_number (nbtparse.minecraft.ids.BlockID attribute),
7
BlockField (in module nbtparse.minecraft.terrain.chunk),
29
BlockID (class in nbtparse.minecraft.ids), 7
blocks (nbtparse.minecraft.terrain.chunk.Section attribute), 30
BooleanField (in module nbtparse.semantics.fields), 40
bred (nbtparse.minecraft.mobs.Horse attribute), 16
Breedable (class in nbtparse.minecraft.mobs), 14
brew_time (nbtparse.minecraft.terrain.tile.Cauldron attribute), 34
burn_time (nbtparse.minecraft.terrain.tile.Furnace attribute), 36
butcher (nbtparse.minecraft.mobs.VillagerProfession attribute), 22
buy (nbtparse.minecraft.mobs.Offer attribute), 19
buy_secondary (nbtparse.minecraft.mobs.Offer attribute),
19
ByteArrayField (in module nbtparse.semantics.fields), 40
ByteArrayTag (class in nbtparse.syntax.tags), 46
ByteField (in module nbtparse.semantics.fields), 40
ByteTag (class in nbtparse.syntax.tags), 47
Abilities (class in nbtparse.minecraft.mobs), 13
abilities (nbtparse.minecraft.mobs.Player attribute), 19
absorption (nbtparse.minecraft.mobs.Mob attribute), 17
AbstractDispenser
(class
in
nbtparse.minecraft.terrain.tile), 33
AbstractField (in module nbtparse.semantics.fields), 40
AbstractFireball (class in nbtparse.minecraft.projectile),
24
active_effects (nbtparse.minecraft.mobs.Mob attribute),
17
age (nbtparse.minecraft.item.ItemEntity attribute), 11
age (nbtparse.minecraft.mobs.Breedable attribute), 14
air_ticks (nbtparse.minecraft.entity.Entity attribute), 5
all_fields()
(nbtparse.semantics.nbtobject.NBTMeta
method), 43
all_fields()
(nbtparse.semantics.nbtobject.NBTObject
class method), 44
all_ids (in module nbtparse.minecraft.ids), 9
ALLOWED_TYPES (in module nbtparse.minecraft.ids),
7
ambient
(nbtparse.minecraft.mobs.PotionEffect
attribute), 20
amount (nbtparse.minecraft.mobs.Modifier attribute), 18
amplifier (nbtparse.minecraft.mobs.PotionEffect attribute), 20
anger
(nbtparse.minecraft.mobs.ZombiePigman
attribute), 23
angry (nbtparse.minecraft.mobs.Wolf attribute), 23
armor (nbtparse.minecraft.mobs.Horse attribute), 16
Arrow (class in nbtparse.minecraft.projectile), 24
atomic (nbtparse.minecraft.terrain.dimension.Dimension
attribute), 26
C
attach_field() (nbtparse.semantics.nbtobject.NBTMeta
cache_size (nbtparse.minecraft.terrain.dimension.Dimension
method), 43
attribute), 27
attack_ticks (nbtparse.minecraft.mobs.Mob attribute), 17
can_pickup_loot
(nbtparse.minecraft.mobs.Mob atAttribute (class in nbtparse.minecraft.mobs), 13
tribute), 17
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carried (nbtparse.minecraft.mobs.Enderman attribute), 15
carried_data (nbtparse.minecraft.mobs.Enderman attribute), 15
cat_type (nbtparse.minecraft.mobs.Ocelot attribute), 18
Cauldron (class in nbtparse.minecraft.terrain.tile), 34
CaveSpider (class in nbtparse.minecraft.mobs), 14
cheats (nbtparse.minecraft.level.LevelFile attribute), 11
Chest (class in nbtparse.minecraft.terrain.tile), 34
chested (nbtparse.minecraft.mobs.Horse attribute), 16
Chicken (class in nbtparse.minecraft.mobs), 14
Chunk (class in nbtparse.minecraft.terrain.chunk), 29
class_name (nbtparse.minecraft.ids.EntityID attribute), 8
ClassID (class in nbtparse.minecraft.ids), 8
ClassWarning, 4
clear()
(nbtparse.minecraft.terrain.region.Region
method), 28
close() (nbtparse.minecraft.terrain.filters.Filter method),
33
collar_color (nbtparse.minecraft.mobs.Wolf attribute), 23
color (nbtparse.minecraft.mobs.Sheep attribute), 21
command (nbtparse.minecraft.terrain.tile.Control attribute), 35
command_block_output (nbtparse.minecraft.level.Rules
attribute), 12
Comparator (class in nbtparse.minecraft.terrain.tile), 34
CompoundTag (class in nbtparse.syntax.tags), 47
ConcurrentError, 4
Container (class in nbtparse.minecraft.terrain.tile), 35
content_id (nbtparse.syntax.tags.ListTag attribute), 49
Control (class in nbtparse.minecraft.terrain.tile), 35
conversion_time (nbtparse.minecraft.mobs.Zombie attribute), 23
cook_time
(nbtparse.minecraft.terrain.tile.Furnace
attribute), 36
cooldown (nbtparse.minecraft.terrain.tile.Hopper attribute), 36
CoordinateField (in module nbtparse.minecraft.entity), 5
coords (nbtparse.minecraft.mobs.Leash attribute), 17
coords (nbtparse.minecraft.projectile.Projectile attribute),
24
coords (nbtparse.minecraft.terrain.tile.TileEntity attribute), 39
copy_vb()
(nbtparse.minecraft.terrain.filters.Filter
method), 33
count (nbtparse.minecraft.item.Item attribute), 10
Cow (class in nbtparse.minecraft.mobs), 14
Creeper (class in nbtparse.minecraft.mobs), 14
custom_name (nbtparse.minecraft.terrain.tile.Container
attribute), 35
data (nbtparse.minecraft.terrain.voxel.Block attribute), 30
data (nbtparse.semantics.nbtobject.NBTObject attribute),
44
DaylightSensor (class in nbtparse.minecraft.terrain.tile),
35
death_ticks (nbtparse.minecraft.mobs.Mob attribute), 17
decode_named (in module nbtparse.syntax.tags), 51
decode_named() (nbtparse.syntax.tags.TagMixin class
method), 51
decode_payload() (in module nbtparse.syntax.tags), 51
decode_payload() (nbtparse.syntax.tags.ByteArrayTag
class method), 47
decode_payload() (nbtparse.syntax.tags.ByteTag class
method), 47
decode_payload() (nbtparse.syntax.tags.CompoundTag
class method), 47
decode_payload() (nbtparse.syntax.tags.DoubleTag class
method), 48
decode_payload() (nbtparse.syntax.tags.EndTag class
method), 48
decode_payload() (nbtparse.syntax.tags.FloatTag class
method), 48
decode_payload()
(nbtparse.syntax.tags.IntArrayTag
class method), 49
decode_payload() (nbtparse.syntax.tags.IntTag class
method), 49
decode_payload() (nbtparse.syntax.tags.ListTag class
method), 49
decode_payload() (nbtparse.syntax.tags.LongTag class
method), 50
decode_payload() (nbtparse.syntax.tags.ShortTag class
method), 50
decode_payload() (nbtparse.syntax.tags.StringTag class
method), 50
decode_payload() (nbtparse.syntax.tags.TagMixin class
method), 51
delay (nbtparse.minecraft.terrain.tile.Spawner attribute),
38
detach_field() (nbtparse.semantics.nbtobject.NBTMeta
method), 43
Dimension
(class
in
nbtparse.minecraft.terrain.dimension), 26
dimension (nbtparse.minecraft.entity.Entity attribute), 5
dimension (nbtparse.minecraft.mobs.Player attribute), 19
direction (nbtparse.minecraft.projectile.AbstractFireball
attribute), 24
Dispenser (class in nbtparse.minecraft.terrain.tile), 35
do_fire_tick (nbtparse.minecraft.level.Rules attribute), 12
do_mob_loot (nbtparse.minecraft.level.Rules attribute),
13
D
do_mob_spawning
(nbtparse.minecraft.level.Rules
attribute),
13
damage (nbtparse.minecraft.item.Item attribute), 10
damage (nbtparse.minecraft.projectile.Arrow attribute), do_tile_drops (nbtparse.minecraft.level.Rules attribute),
13
24
58
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donkey (nbtparse.minecraft.mobs.HorseType attribute),
16
DoubleField (in module nbtparse.semantics.fields), 40
DoubleTag (class in nbtparse.syntax.tags), 47
drop_chances (nbtparse.minecraft.mobs.Mob attribute),
17
DroppedItem (class in nbtparse.minecraft.item), 10
Dropper (class in nbtparse.minecraft.terrain.tile), 35
duration
(nbtparse.minecraft.mobs.PotionEffect
attribute), 20
E
eating (nbtparse.minecraft.mobs.Horse attribute), 16
Egg (class in nbtparse.minecraft.projectile), 24
encode_named() (nbtparse.syntax.tags.EndTag method),
48
encode_named()
(nbtparse.syntax.tags.TagMixin
method), 51
encode_payload() (nbtparse.syntax.tags.ByteArrayTag
method), 47
encode_payload()
(nbtparse.syntax.tags.ByteTag
method), 47
encode_payload() (nbtparse.syntax.tags.CompoundTag
method), 47
encode_payload()
(nbtparse.syntax.tags.DoubleTag
method), 48
encode_payload() (nbtparse.syntax.tags.EndTag method),
48
encode_payload()
(nbtparse.syntax.tags.FloatTag
method), 48
encode_payload()
(nbtparse.syntax.tags.IntArrayTag
method), 49
encode_payload() (nbtparse.syntax.tags.IntTag method),
49
encode_payload() (nbtparse.syntax.tags.ListTag method),
49
encode_payload()
(nbtparse.syntax.tags.LongTag
method), 50
encode_payload()
(nbtparse.syntax.tags.ShortTag
method), 50
encode_payload()
(nbtparse.syntax.tags.StringTag
method), 50
encode_payload()
(nbtparse.syntax.tags.TagMixin
method), 51
ender_items (nbtparse.minecraft.mobs.Player attribute),
19
EnderDragon (class in nbtparse.minecraft.mobs), 15
Enderman (class in nbtparse.minecraft.mobs), 15
EndPortal (class in nbtparse.minecraft.terrain.tile), 35
EndTag (class in nbtparse.syntax.tags), 48
entities (nbtparse.minecraft.terrain.chunk.Chunk attribute), 29
entities (nbtparse.minecraft.terrain.dimension.Dimension
attribute), 27
Index
Entity (class in nbtparse.minecraft.entity), 5
entity_id (nbtparse.minecraft.terrain.tile.Spawner attribute), 38
EntityID (class in nbtparse.minecraft.ids), 8
EntityMeta (class in nbtparse.minecraft.entity), 6
enumerate() (nbtparse.minecraft.terrain.voxel.VoxelBuffer
method), 31
EnumField (in module nbtparse.semantics.fields), 40
equipment (nbtparse.minecraft.mobs.Mob attribute), 18
explosion_radius (nbtparse.minecraft.mobs.Creeper attribute), 15
extending
(nbtparse.minecraft.terrain.tile.Piston
attribute), 37
F
facing (nbtparse.minecraft.terrain.tile.Piston attribute), 37
fall_distance (nbtparse.minecraft.entity.Entity attribute),
5
farmer (nbtparse.minecraft.mobs.VillagerProfession attribute), 22
features (nbtparse.minecraft.level.LevelFile attribute), 11
fields() (nbtparse.semantics.nbtobject.NBTMeta method),
44
fields() (nbtparse.semantics.nbtobject.NBTObject class
method), 44
Filter (class in nbtparse.minecraft.terrain.filters), 33
fire_ticks (nbtparse.minecraft.entity.Entity attribute), 6
Fireball (class in nbtparse.minecraft.projectile), 24
FloatField (in module nbtparse.semantics.fields), 40
FloatTag (class in nbtparse.syntax.tags), 48
flower_type (nbtparse.minecraft.terrain.tile.FlowerPot attribute), 36
FlowerPot (class in nbtparse.minecraft.terrain.tile), 36
fly_speed (nbtparse.minecraft.mobs.Abilities attribute),
13
flying (nbtparse.minecraft.mobs.Abilities attribute), 13
food_exhaustion (nbtparse.minecraft.mobs.Player attribute), 19
food_level (nbtparse.minecraft.mobs.Player attribute), 20
food_saturation (nbtparse.minecraft.mobs.Player attribute), 20
food_timer (nbtparse.minecraft.mobs.Player attribute), 20
from_bytes() (nbtparse.semantics.nbtobject.NBTObject
class method), 44
from_nbt() (in module nbtparse.minecraft.entityfactory),
7
from_nbt()
(nbtparse.semantics.nbtobject.NBTObject
class method), 44
from_raw() (nbtparse.minecraft.terrain.voxel.VoxelBuffer
class method), 31
Furnace (class in nbtparse.minecraft.terrain.tile), 36
fuse (nbtparse.minecraft.mobs.Creeper attribute), 15
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G
game_type (nbtparse.minecraft.level.LevelFile attribute),
11
generator (nbtparse.minecraft.level.LevelFile attribute),
11
generator_options (nbtparse.minecraft.level.LevelFile attribute), 11
generator_version (nbtparse.minecraft.level.LevelFile attribute), 11
generic (nbtparse.minecraft.mobs.VillagerProfession attribute), 22
get_namespace() (in module nbtparse.minecraft.ids), 9
Ghast (class in nbtparse.minecraft.mobs), 15
Giant (class in nbtparse.minecraft.mobs), 15
GzippedNBTFile (class in nbtparse.semantics.filetype),
43
H
hanging (nbtparse.minecraft.mobs.Bat attribute), 14
hardcore (nbtparse.minecraft.level.LevelFile attribute), 11
has_reproduced (nbtparse.minecraft.mobs.Horse attribute), 16
health (nbtparse.minecraft.item.ItemEntity attribute), 11
health (nbtparse.minecraft.mobs.Mob attribute), 18
HealthField (in module nbtparse.minecraft.mobs), 15
height (nbtparse.minecraft.terrain.voxel.VoxelBuffer attribute), 31
height_map (nbtparse.minecraft.terrain.chunk.Chunk attribute), 29
HeightMap (class in nbtparse.minecraft.terrain.chunk),
29
HeightMapField
(in
module
nbtparse.minecraft.terrain.chunk), 29
Hopper (class in nbtparse.minecraft.terrain.tile), 36
Horse (class in nbtparse.minecraft.mobs), 16
horse (nbtparse.minecraft.mobs.HorseType attribute), 16
HorseType (class in nbtparse.minecraft.mobs), 16
hurt_ticks (nbtparse.minecraft.mobs.Mob attribute), 18
I
id (nbtparse.minecraft.entity.Entity attribute), 6
id (nbtparse.minecraft.item.DroppedItem attribute), 10
id (nbtparse.minecraft.item.Item attribute), 10
id (nbtparse.minecraft.item.XPOrb attribute), 11
id (nbtparse.minecraft.mobs.Bat attribute), 14
id (nbtparse.minecraft.mobs.Blaze attribute), 14
id (nbtparse.minecraft.mobs.CaveSpider attribute), 14
id (nbtparse.minecraft.mobs.Chicken attribute), 14
id (nbtparse.minecraft.mobs.Cow attribute), 14
id (nbtparse.minecraft.mobs.Creeper attribute), 15
id (nbtparse.minecraft.mobs.EnderDragon attribute), 15
id (nbtparse.minecraft.mobs.Enderman attribute), 15
id (nbtparse.minecraft.mobs.Ghast attribute), 15
id (nbtparse.minecraft.mobs.Giant attribute), 15
60
id (nbtparse.minecraft.mobs.Horse attribute), 16
id (nbtparse.minecraft.mobs.IronGolem attribute), 17
id (nbtparse.minecraft.mobs.MagmaCube attribute), 17
id (nbtparse.minecraft.mobs.Mooshroom attribute), 18
id (nbtparse.minecraft.mobs.Ocelot attribute), 18
id (nbtparse.minecraft.mobs.Pig attribute), 19
id (nbtparse.minecraft.mobs.PotionEffect attribute), 20
id (nbtparse.minecraft.mobs.Sheep attribute), 21
id (nbtparse.minecraft.mobs.Silverfish attribute), 21
id (nbtparse.minecraft.mobs.Skeleton attribute), 21
id (nbtparse.minecraft.mobs.Slime attribute), 21
id (nbtparse.minecraft.mobs.SnowGolem attribute), 21
id (nbtparse.minecraft.mobs.Spider attribute), 21
id (nbtparse.minecraft.mobs.Squid attribute), 22
id (nbtparse.minecraft.mobs.Villager attribute), 22
id (nbtparse.minecraft.mobs.Witch attribute), 23
id (nbtparse.minecraft.mobs.Wither attribute), 23
id (nbtparse.minecraft.mobs.Wolf attribute), 23
id (nbtparse.minecraft.mobs.Zombie attribute), 23
id (nbtparse.minecraft.mobs.ZombiePigman attribute), 23
id (nbtparse.minecraft.projectile.Arrow attribute), 24
id (nbtparse.minecraft.projectile.Egg attribute), 24
id (nbtparse.minecraft.projectile.Fireball attribute), 24
id (nbtparse.minecraft.projectile.SmallFireball attribute),
25
id (nbtparse.minecraft.projectile.ThrownEnderpearl attribute), 25
id
(nbtparse.minecraft.projectile.ThrownExpBottle
attribute), 25
id (nbtparse.minecraft.projectile.ThrownPotion attribute),
25
id (nbtparse.minecraft.projectile.ThrownSnowball attribute), 25
id (nbtparse.minecraft.projectile.WitherSkull attribute),
25
id (nbtparse.minecraft.terrain.tile.Beacon attribute), 34
id (nbtparse.minecraft.terrain.tile.Cauldron attribute), 34
id (nbtparse.minecraft.terrain.tile.Chest attribute), 34
id (nbtparse.minecraft.terrain.tile.Comparator attribute),
34
id (nbtparse.minecraft.terrain.tile.Control attribute), 35
id (nbtparse.minecraft.terrain.tile.DaylightSensor attribute), 35
id (nbtparse.minecraft.terrain.tile.Dispenser attribute), 35
id (nbtparse.minecraft.terrain.tile.Dropper attribute), 35
id (nbtparse.minecraft.terrain.tile.EndPortal attribute), 36
id (nbtparse.minecraft.terrain.tile.FlowerPot attribute), 36
id (nbtparse.minecraft.terrain.tile.Furnace attribute), 36
id (nbtparse.minecraft.terrain.tile.Hopper attribute), 36
id (nbtparse.minecraft.terrain.tile.Music attribute), 36
id (nbtparse.minecraft.terrain.tile.Piston attribute), 37
id (nbtparse.minecraft.terrain.tile.RecordPlayer attribute),
37
id (nbtparse.minecraft.terrain.tile.Sign attribute), 37
Index
NBTParse Documentation, Release 0.2.0.dev0
id (nbtparse.minecraft.terrain.tile.Skull attribute), 38
id (nbtparse.minecraft.terrain.tile.Spawner attribute), 38
id (nbtparse.minecraft.terrain.tile.TileEntity attribute), 39
id (nbtparse.minecraft.terrain.voxel.Block attribute), 30
ids (class in nbtparse.syntax), 45
in_data (nbtparse.minecraft.projectile.Arrow attribute),
24
in_ground
(nbtparse.minecraft.projectile.Projectile
attribute), 24
in_love (nbtparse.minecraft.mobs.Breedable attribute), 14
in_tile (nbtparse.minecraft.projectile.Projectile attribute),
24
IncompleteSequenceError, 4
initialized (nbtparse.minecraft.level.LevelFile attribute),
11
insert() (nbtparse.minecraft.mobs.OfferList method), 19
instabuild (nbtparse.minecraft.mobs.Abilities attribute),
13
IntArrayField (in module nbtparse.semantics.fields), 40
IntArrayTag (class in nbtparse.syntax.tags), 48
IntField (in module nbtparse.semantics.fields), 40
IntTag (class in nbtparse.syntax.tags), 49
inventory (nbtparse.minecraft.mobs.Player attribute), 20
invulnerable (nbtparse.minecraft.entity.Entity attribute), 6
invulnerable
(nbtparse.minecraft.mobs.Abilities
attribute), 13
invulnerable (nbtparse.minecraft.mobs.Wither attribute),
23
IronGolem (class in nbtparse.minecraft.mobs), 17
is_baby (nbtparse.minecraft.mobs.Zombie attribute), 23
is_villager (nbtparse.minecraft.mobs.Zombie attribute),
23
Item (class in nbtparse.minecraft.item), 10
item (nbtparse.minecraft.item.DroppedItem attribute), 10
item (nbtparse.minecraft.terrain.tile.FlowerPot attribute),
36
item_id (nbtparse.minecraft.ids.BlockID attribute), 7
ItemEntity (class in nbtparse.minecraft.item), 11
ItemID (class in nbtparse.minecraft.ids), 8
items (nbtparse.minecraft.mobs.Horse attribute), 16
items (nbtparse.minecraft.terrain.tile.AbstractDispenser
attribute), 34
items (nbtparse.minecraft.terrain.tile.Cauldron attribute),
34
items (nbtparse.minecraft.terrain.tile.Chest attribute), 34
items (nbtparse.minecraft.terrain.tile.Furnace attribute),
36
items (nbtparse.minecraft.terrain.tile.Hopper attribute),
36
L
last_output
(nbtparse.minecraft.terrain.tile.Control
attribute), 35
last_played (nbtparse.minecraft.level.LevelFile attribute),
11
Leash (class in nbtparse.minecraft.mobs), 17
leash (nbtparse.minecraft.mobs.Mob attribute), 18
leashed (nbtparse.minecraft.mobs.Mob attribute), 18
length (nbtparse.minecraft.terrain.voxel.VoxelBuffer attribute), 31
LevelFile (class in nbtparse.minecraft.level), 11
levels (nbtparse.minecraft.terrain.tile.Beacon attribute),
34
librarian (nbtparse.minecraft.mobs.VillagerProfession attribute), 22
light (nbtparse.minecraft.ids.BlockID attribute), 7
line1 (nbtparse.minecraft.terrain.tile.Sign attribute), 37
line2 (nbtparse.minecraft.terrain.tile.Sign attribute), 37
line3 (nbtparse.minecraft.terrain.tile.Sign attribute), 37
line4 (nbtparse.minecraft.terrain.tile.Sign attribute), 38
ListField (in module nbtparse.semantics.fields), 40
ListTag (class in nbtparse.syntax.tags), 49
load() (nbtparse.minecraft.terrain.region.Region class
method), 28
load()
(nbtparse.semantics.filetype.GzippedNBTFile
class method), 43
load()
(nbtparse.semantics.filetype.NBTFile
class
method), 43
lock (nbtparse.minecraft.terrain.tile.Container attribute),
35
LongField (in module nbtparse.semantics.fields), 40
LongTag (class in nbtparse.syntax.tags), 49
M
MagmaCube (class in nbtparse.minecraft.mobs), 17
main() (in module nbtparse.minecraft.ids), 9
MalformedNBTError, 4
max_cache (nbtparse.minecraft.terrain.dimension.Dimension
attribute), 27
max_delay (nbtparse.minecraft.terrain.tile.Spawner attribute), 38
max_entities (nbtparse.minecraft.terrain.tile.Spawner attribute), 38
max_stack (nbtparse.minecraft.ids.ItemID attribute), 8
max_uses (nbtparse.minecraft.mobs.Offer attribute), 19
may_build (nbtparse.minecraft.mobs.Abilities attribute),
13
may_fly (nbtparse.minecraft.mobs.Abilities attribute), 13
min_delay (nbtparse.minecraft.terrain.tile.Spawner attribute), 38
K
Mob (class in nbtparse.minecraft.mobs), 17
keep_inventory (nbtparse.minecraft.level.Rules attribute), mob_griefing (nbtparse.minecraft.level.Rules attribute),
13
13
mode (nbtparse.minecraft.mobs.Player attribute), 20
Index
61
NBTParse Documentation, Release 0.2.0.dev0
Modifier (class in nbtparse.minecraft.mobs), 18
modifiers (nbtparse.minecraft.mobs.Attribute attribute),
13
Mooshroom (class in nbtparse.minecraft.mobs), 18
motion (nbtparse.minecraft.entity.Entity attribute), 6
mount (nbtparse.minecraft.entity.Entity attribute), 6
mule (nbtparse.minecraft.mobs.HorseType attribute), 16
MultiField (in module nbtparse.semantics.fields), 40
Music (class in nbtparse.minecraft.terrain.tile), 36
MutableField (in module nbtparse.semantics.fields), 41
ObjectTupleField (in module nbtparse.semantics.fields),
41
Ocelot (class in nbtparse.minecraft.mobs), 18
Offer (class in nbtparse.minecraft.mobs), 19
OfferList (class in nbtparse.minecraft.mobs), 19
OfferListMeta (class in nbtparse.minecraft.mobs), 19
offers (nbtparse.minecraft.mobs.Villager attribute), 22
on_ground (nbtparse.minecraft.entity.Entity attribute), 6
opacity (nbtparse.minecraft.ids.BlockID attribute), 7
operation (nbtparse.minecraft.mobs.Modifier attribute),
18
N
output (nbtparse.minecraft.terrain.tile.Comparator attribute), 34
name (nbtparse.minecraft.ids.Named attribute), 8
owner (nbtparse.minecraft.mobs.Tameable attribute), 22
name (nbtparse.minecraft.level.LevelFile attribute), 12
owner_name (nbtparse.minecraft.mobs.Horse attribute),
name (nbtparse.minecraft.mobs.Attribute attribute), 13
16
name (nbtparse.minecraft.mobs.Mob attribute), 18
owner_name (nbtparse.minecraft.projectile.Thrown atname (nbtparse.minecraft.mobs.Modifier attribute), 18
tribute), 25
name_visible (nbtparse.minecraft.mobs.Mob attribute),
18
P
Named (class in nbtparse.minecraft.ids), 8
ParserError, 4
Namespace (class in nbtparse.minecraft.ids), 8
persistent (nbtparse.minecraft.mobs.Mob attribute), 18
NBTFile (class in nbtparse.semantics.filetype), 43
physics (nbtparse.minecraft.ids.BlockID attribute), 7
NBTMeta (class in nbtparse.semantics.nbtobject), 43
pickup (nbtparse.minecraft.projectile.Arrow attribute), 24
NBTObject (class in nbtparse.semantics.nbtobject), 44
NBTObjectField (in module nbtparse.semantics.fields), Pig (class in nbtparse.minecraft.mobs), 19
Piston (class in nbtparse.minecraft.terrain.tile), 37
41
Player (class in nbtparse.minecraft.mobs), 19
nbtparse (module), 3
player (nbtparse.minecraft.level.LevelFile attribute), 12
nbtparse.exceptions (module), 4
player (nbtparse.minecraft.projectile.Arrow attribute), 24
nbtparse.minecraft (module), 5
player_created (nbtparse.minecraft.mobs.IronGolem atnbtparse.minecraft.entity (module), 5
tribute), 17
nbtparse.minecraft.entityfactory (module), 7
player_range (nbtparse.minecraft.terrain.tile.Spawner atnbtparse.minecraft.ids (module), 7
tribute), 39
nbtparse.minecraft.item (module), 10
portal_cooldown (nbtparse.minecraft.entity.Entity atnbtparse.minecraft.level (module), 11
tribute), 6
nbtparse.minecraft.mobs (module), 13
pos (nbtparse.minecraft.entity.Entity attribute), 6
nbtparse.minecraft.projectile (module), 24
potion (nbtparse.minecraft.projectile.ThrownPotion atnbtparse.minecraft.terrain (module), 26
tribute), 25
nbtparse.minecraft.terrain.chunk (module), 29
potion_value (nbtparse.minecraft.projectile.ThrownPotion
nbtparse.minecraft.terrain.dimension (module), 26
attribute), 25
nbtparse.minecraft.terrain.filters (module), 33
PotionEffect (class in nbtparse.minecraft.mobs), 20
nbtparse.minecraft.terrain.region (module), 28
powered (nbtparse.minecraft.mobs.Creeper attribute), 15
nbtparse.minecraft.terrain.tile (module), 33
prepare_load() (nbtparse.minecraft.level.LevelFile static
nbtparse.minecraft.terrain.voxel (module), 30
method), 12
nbtparse.semantics (module), 39
prepare_load() (nbtparse.minecraft.terrain.chunk.Chunk
nbtparse.semantics.fields (module), 40
static method), 29
nbtparse.semantics.filetype (module), 43
prepare_load() (nbtparse.semantics.nbtobject.NBTObject
nbtparse.semantics.nbtobject (module), 43
class method), 44
nbtparse.syntax (module), 45
prepare_save() (nbtparse.minecraft.level.LevelFile static
nbtparse.syntax.tags (module), 46
method), 12
NoSuchTagTypeError, 4
prepare_save() (nbtparse.minecraft.terrain.chunk.Chunk
note (nbtparse.minecraft.terrain.tile.Music attribute), 37
static method), 29
O
prepare_save() (nbtparse.semantics.nbtobject.NBTObject
method), 45
ObjectListField (in module nbtparse.semantics.fields), 41
62
Index
NBTParse Documentation, Release 0.2.0.dev0
priest (nbtparse.minecraft.mobs.VillagerProfession attribute), 22
primary (nbtparse.minecraft.terrain.tile.Beacon attribute),
34
profession (nbtparse.minecraft.mobs.Villager attribute),
22
progress (nbtparse.minecraft.terrain.tile.Piston attribute),
37
Projectile (class in nbtparse.minecraft.projectile), 24
properties (nbtparse.minecraft.terrain.tile.SpawnPotential
attribute), 38
save_fast() (nbtparse.minecraft.terrain.dimension.Dimension
method), 28
score (nbtparse.minecraft.mobs.Player attribute), 20
secondary (nbtparse.minecraft.terrain.tile.Beacon attribute), 34
Section (class in nbtparse.minecraft.terrain.chunk), 30
SectionDictField
(in
module
nbtparse.minecraft.terrain.chunk), 30
sections (nbtparse.minecraft.terrain.chunk.Chunk attribute), 29
seed (nbtparse.minecraft.level.LevelFile attribute), 12
selected_item_slot (nbtparse.minecraft.mobs.Player atR
tribute), 20
rain_time (nbtparse.minecraft.level.LevelFile attribute), self_reference() (in module nbtparse.semantics.fields), 42
sell (nbtparse.minecraft.mobs.Offer attribute), 19
12
shake (nbtparse.minecraft.projectile.Projectile attribute),
raining (nbtparse.minecraft.level.LevelFile attribute), 12
24
read_config() (in module nbtparse.minecraft.ids), 9
sheared (nbtparse.minecraft.mobs.Sheep attribute), 21
ReadOnly (class in nbtparse.semantics.fields), 41
recipes (nbtparse.minecraft.mobs.OfferList attribute), 19 Sheep (class in nbtparse.minecraft.mobs), 20
record_id (nbtparse.minecraft.terrain.tile.RecordPlayer ShortField (in module nbtparse.semantics.fields), 42
ShortTag (class in nbtparse.syntax.tags), 50
attribute), 37
record_item (nbtparse.minecraft.terrain.tile.RecordPlayer Sign (class in nbtparse.minecraft.terrain.tile), 37
Silverfish (class in nbtparse.minecraft.mobs), 21
attribute), 37
RecordPlayer (class in nbtparse.minecraft.terrain.tile), 37 SingleField (in module nbtparse.semantics.fields), 42
sitting (nbtparse.minecraft.mobs.Tameable attribute), 22
recover_atomic() (nbtparse.minecraft.terrain.dimension.Dimension
size (nbtparse.minecraft.level.LevelFile attribute), 12
method), 27
size (nbtparse.minecraft.mobs.Slime attribute), 21
Region (class in nbtparse.minecraft.terrain.region), 28
register_namespace() (in module nbtparse.minecraft.ids), Skeleton (class in nbtparse.minecraft.mobs), 21
skeleton (nbtparse.minecraft.mobs.HorseType attribute),
10
16
rename() (nbtparse.minecraft.ids.Named method), 8
Skull (class in nbtparse.minecraft.terrain.tile), 38
renumber() (nbtparse.minecraft.ids.BlockID method), 7
resolve_class() (nbtparse.minecraft.ids.ClassID method), skull_id (nbtparse.minecraft.terrain.tile.Skull attribute),
38
8
resolve_class() (nbtparse.minecraft.ids.EntityID method), skull_name (nbtparse.minecraft.terrain.tile.Skull attribute), 38
8
resolve_class() (nbtparse.minecraft.ids.ItemID method), sleep_timer (nbtparse.minecraft.mobs.Player attribute),
20
8
sleeping (nbtparse.minecraft.mobs.Player attribute), 20
riches (nbtparse.minecraft.mobs.Villager attribute), 22
SliceWarning, 4
rotation (nbtparse.minecraft.entity.Entity attribute), 6
rotation (nbtparse.minecraft.terrain.tile.Skull attribute), Slime (class in nbtparse.minecraft.mobs), 21
slot (nbtparse.minecraft.item.Item attribute), 10
38
SmallFireball (class in nbtparse.minecraft.projectile), 25
Rules (class in nbtparse.minecraft.level), 12
smith (nbtparse.minecraft.mobs.VillagerProfession atrules (nbtparse.minecraft.level.LevelFile attribute), 12
tribute), 22
SnowGolem (class in nbtparse.minecraft.mobs), 21
S
spawn (nbtparse.minecraft.level.LevelFile attribute), 12
saddle (nbtparse.minecraft.mobs.Horse attribute), 16
spawn (nbtparse.minecraft.mobs.Player attribute), 20
saddle (nbtparse.minecraft.mobs.Pig attribute), 19
save() (nbtparse.minecraft.terrain.region.Region method), spawn_count (nbtparse.minecraft.terrain.tile.Spawner attribute), 39
28
spawn_data
(nbtparse.minecraft.terrain.tile.Spawner atsave()
(nbtparse.semantics.filetype.GzippedNBTFile
tribute),
39
method), 43
spawn_forced
(nbtparse.minecraft.mobs.Player
attribute),
save() (nbtparse.semantics.filetype.NBTFile method), 43
20
save_all() (nbtparse.minecraft.terrain.dimension.Dimension
method), 28
Index
63
NBTParse Documentation, Release 0.2.0.dev0
spawn_potentials (nbtparse.minecraft.terrain.tile.Spawner
attribute), 39
spawn_range (nbtparse.minecraft.terrain.tile.Spawner attribute), 39
Spawner (class in nbtparse.minecraft.terrain.tile), 38
SpawnPotential (class in nbtparse.minecraft.terrain.tile),
38
Spider (class in nbtparse.minecraft.mobs), 21
Squid (class in nbtparse.minecraft.mobs), 22
STANDARD_NAMESPACE_NAME (in module nbtparse.minecraft.ids), 9
StringBooleanField (in module nbtparse.minecraft.level),
13
StringTag (class in nbtparse.syntax.tags), 50
success_count (nbtparse.minecraft.terrain.tile.Control attribute), 35
T
TAG_Byte (nbtparse.syntax.ids attribute), 45
TAG_Byte_Array (nbtparse.syntax.ids attribute), 46
TAG_Compound (nbtparse.syntax.ids attribute), 46
TAG_Double (nbtparse.syntax.ids attribute), 46
TAG_End (nbtparse.syntax.ids attribute), 46
TAG_Float (nbtparse.syntax.ids attribute), 46
tag_id (nbtparse.syntax.tags.ByteArrayTag attribute), 47
tag_id (nbtparse.syntax.tags.ByteTag attribute), 47
tag_id (nbtparse.syntax.tags.CompoundTag attribute), 47
tag_id (nbtparse.syntax.tags.DoubleTag attribute), 48
tag_id (nbtparse.syntax.tags.EndTag attribute), 48
tag_id (nbtparse.syntax.tags.FloatTag attribute), 48
tag_id (nbtparse.syntax.tags.IntArrayTag attribute), 49
tag_id (nbtparse.syntax.tags.IntTag attribute), 49
tag_id (nbtparse.syntax.tags.ListTag attribute), 49
tag_id (nbtparse.syntax.tags.LongTag attribute), 50
tag_id (nbtparse.syntax.tags.ShortTag attribute), 50
tag_id (nbtparse.syntax.tags.StringTag attribute), 50
tag_id (nbtparse.syntax.tags.TagMixin attribute), 51
TAG_Int (nbtparse.syntax.ids attribute), 46
TAG_Int_Array (nbtparse.syntax.ids attribute), 46
TAG_List (nbtparse.syntax.ids attribute), 46
TAG_Long (nbtparse.syntax.ids attribute), 46
TAG_Short (nbtparse.syntax.ids attribute), 46
TAG_String (nbtparse.syntax.ids attribute), 46
TagMixin (class in nbtparse.syntax.tags), 50
tame (nbtparse.minecraft.mobs.Horse attribute), 16
Tameable (class in nbtparse.minecraft.mobs), 22
temper (nbtparse.minecraft.mobs.Horse attribute), 16
Thrown (class in nbtparse.minecraft.projectile), 25
ThrownEnderpearl
(class
in
nbtparse.minecraft.projectile), 25
ThrownExpBottle (class in nbtparse.minecraft.projectile),
25
ThrownPotion (class in nbtparse.minecraft.projectile), 25
64
ThrownSnowball (class in nbtparse.minecraft.projectile),
25
thunder_time (nbtparse.minecraft.level.LevelFile attribute), 12
thundering (nbtparse.minecraft.level.LevelFile attribute),
12
ticks (nbtparse.minecraft.level.LevelFile attribute), 12
TileEntity (class in nbtparse.minecraft.terrain.tile), 39
tilemap (nbtparse.minecraft.terrain.voxel.VoxelBuffer attribute), 31
tiles (nbtparse.minecraft.terrain.chunk.Chunk attribute),
29
time_of_day (nbtparse.minecraft.level.LevelFile attribute), 12
to_bytes()
(nbtparse.semantics.nbtobject.NBTObject
method), 45
to_nbt()
(nbtparse.semantics.nbtobject.NBTObject
method), 45
to_raw() (nbtparse.minecraft.terrain.chunk.HeightMap
method), 29
to_raw() (nbtparse.minecraft.terrain.voxel.VoxelBuffer
method), 32
track_output (nbtparse.minecraft.terrain.tile.Control attribute), 35
transparent (nbtparse.minecraft.ids.BlockID attribute), 7
TupleListField (in module nbtparse.semantics.fields), 42
TupleMultiField (in module nbtparse.semantics.fields),
42
type (nbtparse.minecraft.ids.BlockID attribute), 8
type (nbtparse.minecraft.ids.EntityID attribute), 8
type (nbtparse.minecraft.ids.ItemID attribute), 8
type (nbtparse.minecraft.mobs.Horse attribute), 16
type (nbtparse.minecraft.terrain.tile.SpawnPotential attribute), 38
U
UnicodeField (in module nbtparse.semantics.fields), 42
unregister_namespace()
(in
module
nbtparse.minecraft.ids), 10
unwatch() (nbtparse.minecraft.terrain.voxel.VoxelBuffer
method), 32
uses (nbtparse.minecraft.mobs.Offer attribute), 19
UTCField (in module nbtparse.semantics.fields), 42
uuid (nbtparse.minecraft.entity.Entity attribute), 6
uuid (nbtparse.minecraft.mobs.Leash attribute), 17
uuid (nbtparse.minecraft.mobs.Modifier attribute), 18
UUIDField (in module nbtparse.semantics.fields), 42
V
value (nbtparse.minecraft.item.XPOrb attribute), 11
ValueWarning, 4
variant (nbtparse.minecraft.mobs.Horse attribute), 16
version (nbtparse.minecraft.level.LevelFile attribute), 12
Villager (class in nbtparse.minecraft.mobs), 22
Index
NBTParse Documentation, Release 0.2.0.dev0
VillagerProfession (class in nbtparse.minecraft.mobs), 22
VoxelBuffer (class in nbtparse.minecraft.terrain.voxel),
30
W
walk_speed (nbtparse.minecraft.mobs.Abilities attribute),
13
watch()
(nbtparse.minecraft.terrain.voxel.VoxelBuffer
method), 32
weight (nbtparse.minecraft.terrain.tile.SpawnPotential attribute), 38
width (nbtparse.minecraft.terrain.voxel.VoxelBuffer attribute), 32
Witch (class in nbtparse.minecraft.mobs), 23
Wither (class in nbtparse.minecraft.mobs), 23
wither (nbtparse.minecraft.mobs.Skeleton attribute), 21
WitherSkull (class in nbtparse.minecraft.projectile), 25
Wolf (class in nbtparse.minecraft.mobs), 23
wrapped (nbtparse.semantics.fields.ReadOnly attribute),
42
write_config() (in module nbtparse.minecraft.ids), 10
X
xp_level (nbtparse.minecraft.mobs.Player attribute), 20
xp_progress (nbtparse.minecraft.mobs.Player attribute),
20
xp_total (nbtparse.minecraft.mobs.Player attribute), 20
XPOrb (class in nbtparse.minecraft.item), 11
xyz()
(nbtparse.minecraft.terrain.voxel.VoxelBuffer
method), 32
Y
y_index
(nbtparse.minecraft.terrain.chunk.Section
attribute), 30
Z
Zombie (class in nbtparse.minecraft.mobs), 23
zombie (nbtparse.minecraft.mobs.HorseType attribute),
16
ZombiePigman (class in nbtparse.minecraft.mobs), 23
Index
65