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__init__.py
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__init__.py
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"""
A modern, Python3-compatible, well-documented library for communicating
with a MineCraft server.
"""
from collections import OrderedDict, namedtuple
import re
# The version number of the most recent pyCraft release.
__version__ = "0.7.0"
# This bit occurs in the protocol numbers of pre-release versions after 1.16.3.
PRE = 1 << 30
# A record representing a Minecraft version in the following list.
Version = namedtuple('Version', ('id', 'protocol', 'supported'))
# A list of Minecraft versions known to pyCraft, including all supported
# versions as well as some unsupported versions (used by certain forward-
# compatible code: e.g. when comparing the current protocol version with that
# of an unsupported version), in chronological order of publication.
#
# The ID string of a version is the key used to identify it in
# <https://launchermeta.mojang.com/mc/game/version_manifest.json>, or the 'id'
# key in "version.json" in the corresponding ".jar" file distributed by Mojang.
KNOWN_MINECRAFT_VERSION_RECORDS = [
# id protocol supported
Version('13w41a', 0, False),
Version('13w41b', 0, False),
Version('13w42a', 1, False),
Version('13w42b', 1, False),
Version('13w43a', 2, False),
Version('1.7-pre', 3, False),
Version('1.7.1-pre', 3, False),
Version('1.7.2', 4, True),
Version('13w47a', 4, False),
Version('13w47b', 4, False),
Version('13w47c', 4, False),
Version('13w47d', 4, False),
Version('13w47e', 4, False),
Version('13w48a', 4, False),
Version('13w48b', 4, False),
Version('13w49a', 4, False),
Version('1.7.3-pre', 4, False),
Version('1.7.4', 4, True),
Version('1.7.5', 4, True),
Version('1.7.6-pre1', 5, False),
Version('1.7.6-pre2', 5, False),
Version('1.7.6', 5, True),
Version('1.7.7', 5, True),
Version('1.7.8', 5, True),
Version('1.7.9', 5, True),
Version('1.7.10-pre1', 5, False),
Version('1.7.10-pre2', 5, False),
Version('1.7.10-pre3', 5, False),
Version('1.7.10-pre4', 5, False),
Version('1.7.10', 5, True),
Version('14w02a', 5, False),
Version('14w02b', 5, False),
Version('14w02c', 5, False),
Version('14w03a', 6, False),
Version('14w03b', 6, False),
Version('14w04a', 7, False),
Version('14w04b', 8, False),
Version('14w05a', 9, False),
Version('14w05b', 9, False),
Version('14w06a', 10, False),
Version('14w06b', 10, False),
Version('14w07a', 11, False),
Version('14w08a', 12, False),
Version('14w10a', 13, False),
Version('14w10b', 13, False),
Version('14w10c', 13, False),
Version('14w11a', 14, False),
Version('14w11b', 14, False),
Version('14w17a', 15, False),
Version('14w18a', 16, False),
Version('14w18b', 16, False),
Version('14w19a', 17, False),
Version('14w20a', 18, False),
Version('14w20b', 18, False),
Version('14w21a', 19, False),
Version('14w21b', 20, False),
Version('14w25a', 21, False),
Version('14w25b', 22, False),
Version('14w26a', 23, False),
Version('14w26b', 24, False),
Version('14w26c', 25, False),
Version('14w27a', 26, False),
Version('14w27b', 26, False),
Version('14w28a', 27, False),
Version('14w28b', 28, False),
Version('14w29a', 29, False),
Version('14w29a', 29, False),
Version('14w30a', 30, False),
Version('14w30b', 30, False),
Version('14w30c', 31, False),
Version('14w31a', 32, False),
Version('14w32a', 33, False),
Version('14w32b', 34, False),
Version('14w32c', 35, False),
Version('14w32d', 36, False),
Version('14w33a', 37, False),
Version('14w33b', 38, False),
Version('14w33c', 39, False),
Version('14w34a', 40, False),
Version('14w34b', 41, False),
Version('14w34c', 42, False),
Version('14w34d', 43, False),
Version('1.8-pre1', 44, False),
Version('1.8-pre2', 45, False),
Version('1.8-pre3', 46, False),
Version('1.8', 47, True),
Version('1.8.1-pre1', 47, False),
Version('1.8.1-pre2', 47, False),
Version('1.8.1-pre3', 47, False),
Version('1.8.1-pre4', 47, False),
Version('1.8.1-pre5', 47, False),
Version('1.8.1', 47, True),
Version('1.8.2-pre1', 47, False),
Version('1.8.2-pre2', 47, False),
Version('1.8.2-pre3', 47, False),
Version('1.8.2-pre4', 47, False),
Version('1.8.2-pre5', 47, False),
Version('1.8.2-pre6', 47, False),
Version('1.8.2-pre7', 47, False),
Version('1.8.2', 47, True),
Version('1.8.3', 47, True),
Version('1.8.4', 47, True),
Version('1.8.5', 47, True),
Version('1.8.6', 47, True),
Version('1.8.7', 47, True),
Version('1.8.8', 47, True),
Version('1.8.9', 47, True),
Version('15w14a', 48, False),
Version('15w31a', 49, False),
Version('15w31b', 50, False),
Version('15w31c', 51, False),
Version('15w32a', 52, False),
Version('15w32b', 53, False),
Version('15w32c', 54, False),
Version('15w33a', 55, False),
Version('15w33b', 56, False),
Version('15w33c', 57, False),
Version('15w34a', 58, False),
Version('15w34b', 59, False),
Version('15w34c', 60, False),
Version('15w34d', 61, False),
Version('15w35a', 62, False),
Version('15w35b', 63, False),
Version('15w35c', 64, False),
Version('15w35d', 65, False),
Version('15w35e', 66, False),
Version('15w36a', 67, False),
Version('15w36b', 68, False),
Version('15w36c', 69, False),
Version('15w36d', 70, False),
Version('15w37a', 71, False),
Version('15w38a', 72, False),
Version('15w38b', 73, False),
Version('15w39a', 74, False),
Version('15w39b', 74, False),
Version('15w39c', 74, False),
Version('15w40a', 75, False),
Version('15w40b', 76, False),
Version('15w41a', 77, False),
Version('15w41b', 78, False),
Version('15w42a', 79, False),
Version('15w43a', 80, False),
Version('15w43b', 81, False),
Version('15w43c', 82, False),
Version('15w44a', 83, False),
Version('15w44b', 84, False),
Version('15w45a', 85, False),
Version('15w46a', 86, False),
Version('15w47a', 87, False),
Version('15w47b', 88, False),
Version('15w47c', 89, False),
Version('15w49a', 90, False),
Version('15w49b', 91, False),
Version('15w50a', 92, False),
Version('15w51a', 93, False),
Version('15w51b', 94, False),
Version('16w02a', 95, False),
Version('16w03a', 96, False),
Version('16w04a', 97, False),
Version('16w05a', 98, False),
Version('16w05b', 99, False),
Version('16w06a', 100, False),
Version('16w07a', 101, False),
Version('16w07b', 102, False),
Version('1.9-pre1', 103, False),
Version('1.9-pre2', 104, False),
Version('1.9-pre3', 105, False),
Version('1.9-pre4', 106, False),
Version('1.9', 107, True),
Version('1.9.1-pre1', 107, False),
Version('1.9.1-pre2', 108, False),
Version('1.9.1-pre3', 108, False),
Version('1.9.1', 108, True),
Version('1.RV-Pre1', 108, False),
Version('1.9.2', 109, True),
Version('16w14a', 109, False),
Version('16w15a', 109, False),
Version('16w15b', 109, False),
Version('1.9.3-pre1', 109, False),
Version('1.9.3-pre2', 110, False),
Version('1.9.3-pre3', 110, False),
Version('1.9.3', 110, True),
Version('1.9.4', 110, True),
Version('16w20a', 201, False),
Version('16w21a', 202, False),
Version('16w21b', 203, False),
Version('1.10-pre1', 204, False),
Version('1.10-pre2', 205, False),
Version('1.10', 210, True),
Version('1.10.1', 210, True),
Version('1.10.2', 210, True),
Version('16w32a', 301, True),
Version('16w32b', 302, True),
Version('16w33a', 303, True),
Version('16w35a', 304, True),
Version('16w36a', 305, True),
Version('16w38a', 306, True),
Version('16w39a', 307, True),
Version('16w39b', 308, True),
Version('16w39c', 309, True),
Version('16w40a', 310, True),
Version('16w41a', 311, True),
Version('16w42a', 312, True),
Version('16w43a', 313, True),
Version('16w44a', 313, True),
Version('1.11-pre1', 314, True),
Version('1.11', 315, True),
Version('16w50a', 316, True),
Version('1.11.1', 316, True),
Version('1.11.2', 316, True),
Version('17w06a', 317, True),
Version('17w13a', 318, True),
Version('17w13b', 319, True),
Version('17w14a', 320, True),
Version('17w15a', 321, True),
Version('17w16a', 322, True),
Version('17w16b', 323, True),
Version('17w17a', 324, True),
Version('17w17b', 325, True),
Version('17w18a', 326, True),
Version('17w18b', 327, True),
Version('1.12-pre1', 328, True),
Version('1.12-pre2', 329, True),
Version('1.12-pre3', 330, True),
Version('1.12-pre4', 331, True),
Version('1.12-pre5', 332, True),
Version('1.12-pre6', 333, True),
Version('1.12-pre7', 334, True),
Version('1.12', 335, True),
Version('17w31a', 336, True),
Version('1.12.1-pre1', 337, True),
Version('1.12.1', 338, True),
Version('1.12.2-pre1', 339, True),
Version('1.12.2-pre2', 339, True),
Version('1.12.2', 340, True),
Version('17w43a', 341, True),
Version('17w43b', 342, True),
Version('17w45a', 343, True),
Version('17w45b', 344, True),
Version('17w46a', 345, True),
Version('17w47a', 346, True),
Version('17w47b', 347, True),
Version('17w48a', 348, True),
Version('17w49a', 349, True),
Version('17w49b', 350, True),
Version('17w50a', 351, True),
Version('18w01a', 352, True),
Version('18w02a', 353, True),
Version('18w03a', 354, True),
Version('18w03b', 355, True),
Version('18w05a', 356, True),
Version('18w06a', 357, True),
Version('18w07a', 358, True),
Version('18w07b', 359, True),
Version('18w07c', 360, True),
Version('18w08a', 361, True),
Version('18w08b', 362, True),
Version('18w09a', 363, True),
Version('18w10a', 364, True),
Version('18w10b', 365, True),
Version('18w10c', 366, True),
Version('18w10d', 367, True),
Version('18w11a', 368, True),
Version('18w14a', 369, True),
Version('18w14b', 370, True),
Version('18w15a', 371, True),
Version('18w16a', 372, True),
Version('18w19a', 373, True),
Version('18w19b', 374, True),
Version('18w20a', 375, True),
Version('18w20b', 376, True),
Version('18w20c', 377, True),
Version('18w21a', 378, True),
Version('18w21b', 379, True),
Version('18w22a', 380, True),
Version('18w22b', 381, True),
Version('18w22c', 382, True),
Version('1.13-pre1', 383, True),
Version('1.13-pre2', 384, True),
Version('1.13-pre3', 385, True),
Version('1.13-pre4', 386, True),
Version('1.13-pre5', 387, True),
Version('1.13-pre6', 388, True),
Version('1.13-pre7', 389, True),
Version('1.13-pre8', 390, True),
Version('1.13-pre9', 391, True),
Version('1.13-pre10', 392, True),
Version('1.13', 393, True),
Version('18w30a', 394, True),
Version('18w30b', 395, True),
Version('18w31a', 396, True),
Version('18w32a', 397, True),
Version('18w33a', 398, True),
Version('1.13.1-pre1', 399, True),
Version('1.13.1-pre2', 400, True),
Version('1.13.1', 401, True),
Version('1.13.2-pre1', 402, True),
Version('1.13.2-pre2', 403, True),
Version('1.13.2', 404, True),
Version('18w43a', 441, True),
Version('18w43b', 441, True),
Version('18w43c', 442, True),
Version('18w44a', 443, True),
Version('18w45a', 444, True),
Version('18w46a', 445, True),
Version('18w47a', 446, True),
Version('18w47b', 447, True),
Version('18w48a', 448, True),
Version('18w48b', 449, True),
Version('18w49a', 450, True),
Version('18w50a', 451, True),
Version('19w02a', 452, True),
Version('19w03a', 453, True),
Version('19w03b', 454, True),
Version('19w03c', 455, True),
Version('19w04a', 456, True),
Version('19w04b', 457, True),
Version('19w05a', 458, True),
Version('19w06a', 459, True),
Version('19w07a', 460, True),
Version('19w08a', 461, True),
Version('19w08b', 462, True),
Version('19w09a', 463, True),
Version('19w11a', 464, True),
Version('19w11b', 465, True),
Version('19w12a', 466, True),
Version('19w12b', 467, True),
Version('19w13a', 468, True),
Version('19w13b', 469, True),
Version('19w14a', 470, True),
Version('19w14b', 471, True),
Version('1.14 Pre-Release 1', 472, True),
Version('1.14 Pre-Release 2', 473, True),
Version('1.14 Pre-Release 3', 474, True),
Version('1.14 Pre-Release 4', 475, True),
Version('1.14 Pre-Release 5', 476, True),
Version('1.14', 477, True),
Version('1.14.1 Pre-Release 1', 478, True),
Version('1.14.1 Pre-Release 2', 479, True),
Version('1.14.1', 480, True),
Version('1.14.2 Pre-Release 1', 481, True),
Version('1.14.2 Pre-Release 2', 482, True),
Version('1.14.2 Pre-Release 3', 483, True),
Version('1.14.2 Pre-Release 4', 484, True),
Version('1.14.2', 485, True),
Version('1.14.3-pre1', 486, True),
Version('1.14.3-pre2', 487, True),
Version('1.14.3-pre3', 488, True),
Version('1.14.3-pre4', 489, True),
Version('1.14.3', 490, True),
Version('1.14.4-pre1', 491, True),
Version('1.14.4-pre2', 492, True),
Version('1.14.4-pre3', 493, True),
Version('1.14.4-pre4', 494, True),
Version('1.14.4-pre5', 495, True),
Version('1.14.4-pre6', 496, True),
Version('1.14.4-pre7', 497, True),
Version('1.14.4', 498, True),
Version('19w34a', 550, True),
Version('19w35a', 551, True),
Version('19w36a', 552, True),
Version('19w37a', 553, True),
Version('19w38a', 554, True),
Version('19w38b', 555, True),
Version('19w39a', 556, True),
Version('19w40a', 557, True),
Version('19w41a', 558, True),
Version('19w42a', 559, True),
Version('19w44a', 560, True),
Version('19w45a', 561, True),
Version('19w45b', 562, True),
Version('19w46a', 563, True),
Version('19w46b', 564, True),
Version('1.15-pre1', 565, True),
Version('1.15-pre2', 566, True),
Version('1.15-pre3', 567, True),
Version('1.15-pre4', 569, True),
Version('1.15-pre5', 570, True),
Version('1.15-pre6', 571, True),
Version('1.15-pre7', 572, True),
Version('1.15', 573, True),
Version('1.15.1-pre1', 574, True),
Version('1.15.1', 575, True),
Version('1.15.2-pre1', 576, True),
Version('1.15.2-pre2', 577, True),
Version('1.15.2', 578, True),
Version('20w06a', 701, True),
Version('20w07a', 702, True),
Version('20w08a', 703, True),
Version('20w09a', 704, True),
Version('20w10a', 705, True),
Version('20w11a', 706, True),
Version('20w12a', 707, True),
Version('20w13a', 708, True),
Version('20w13b', 709, True),
Version('20w14a', 710, True),
Version('20w15a', 711, True),
Version('20w16a', 712, True),
Version('20w17a', 713, True),
Version('20w18a', 714, True),
Version('20w19a', 715, True),
Version('20w20a', 716, True),
Version('20w20b', 717, True),
Version('20w21a', 718, True),
Version('20w22a', 719, True),
Version('1.16-pre1', 721, True),
Version('1.16-pre2', 722, True),
Version('1.16-pre3', 725, True),
Version('1.16-pre4', 727, True),
Version('1.16-pre5', 729, True),
Version('1.16-pre6', 730, True),
Version('1.16-pre7', 732, True),
Version('1.16-pre8', 733, True),
Version('1.16-rc1', 734, True),
Version('1.16', 735, True),
Version('1.16.1', 736, True),
Version('20w27a', 738, True),
Version('20w28a', 740, True),
Version('20w29a', 741, True),
Version('20w30a', 743, True),
Version('1.16.2-pre1', 744, True),
Version('1.16.2-pre2', 746, True),
Version('1.16.2-pre3', 748, True),
Version('1.16.2-rc1', 749, True),
Version('1.16.2-rc2', 750, True),
Version('1.16.2', 751, True),
Version('1.16.3-rc1', 752, True),
Version('1.16.3', 753, True),
Version('1.16.4-pre1', PRE | 1, True),
Version('1.16.4-pre2', PRE | 2, True),
Version('1.16.4-rc1', PRE | 3, True),
Version('1.16.4', 754, True),
Version('20w45a', PRE | 5, True),
Version('20w46a', PRE | 6, True),
Version('20w48a', PRE | 7, True),
Version('20w49a', PRE | 8, False),
Version('20w51a', PRE | 9, False),
Version('1.16.5', 754, True),
Version('21w03a', PRE | 11, False),
Version('21w05a', PRE | 12, False),
Version('21w05b', PRE | 13, False),
Version('21w06a', PRE | 14, False),
Version('21w07a', PRE | 15, False),
Version('1.17-rc2', PRE | 35, False),
Version('1.17', 755, True),
Version('1.17.1', 756, True),
Version('21w44a', PRE | 48, False),
Version('1.18-rc4', PRE | 60, False),
Version('1.18', 757, True),
Version('1.18.1', 757, True),
]
# An OrderedDict mapping the id string of each known Minecraft version to its
# protocol version number, in chronological order of release.
KNOWN_MINECRAFT_VERSIONS = OrderedDict()
# As KNOWN_MINECRAFT_VERSIONS, but only contains versions supported by pyCraft.
SUPPORTED_MINECRAFT_VERSIONS = OrderedDict()
# As SUPPORTED_MINECRAFT_VERSIONS, but only contains release versions.
RELEASE_MINECRAFT_VERSIONS = OrderedDict()
# A list of the protocol version numbers in KNOWN_MINECRAFT_VERSIONS
# in the same order (chronological) but without duplicates.
KNOWN_PROTOCOL_VERSIONS = []
# A list of the protocol version numbers in SUPPORTED_MINECRAFT_VERSIONS
# in the same order (chronological) but without duplicates.
SUPPORTED_PROTOCOL_VERSIONS = []
# A list of the protocol version numbers in RELEASE_MINECRAFT_VERSIONS
# in the same order (chronological) but without duplicates.
RELEASE_PROTOCOL_VERSIONS = []
# A dict mapping each protocol version number in KNOWN_PROTOCOL_VERSIONS to
# its index within this list (used for efficient comparison of protocol
# versions according to chronological release order).
PROTOCOL_VERSION_INDICES = {}
def initglobals(use_known_records=False):
'''Initialise the above global variables, using
'SUPPORTED_MINECRAFT_VERSIONS' as the source if 'use_known_records' is
False (for backward compatibility, this is the default behaviour), or
otherwise using 'KNOWN_MINECRAFT_VERSION_RECORDS' as the source.
This allows 'SUPPORTED_MINECRAFT_VERSIONS' or, respectively,
'KNOWN_MINECRAFT_VERSION_RECORDS' to be updated by the library user
during runtime and then the derived data to be updated as well, to allow
for dynamic version support. All updates are done by reference to allow
this to work elsewhere in the code.
'''
if use_known_records:
# Update the variables that depend on KNOWN_MINECRAFT_VERSION_RECORDS.
KNOWN_MINECRAFT_VERSIONS.clear()
KNOWN_PROTOCOL_VERSIONS.clear()
SUPPORTED_MINECRAFT_VERSIONS.clear()
PROTOCOL_VERSION_INDICES.clear()
for version in KNOWN_MINECRAFT_VERSION_RECORDS:
KNOWN_MINECRAFT_VERSIONS[version.id] = version.protocol
if version.protocol not in KNOWN_PROTOCOL_VERSIONS:
PROTOCOL_VERSION_INDICES[version.protocol] \
= len(KNOWN_PROTOCOL_VERSIONS)
KNOWN_PROTOCOL_VERSIONS.append(version.protocol)
if version.supported:
SUPPORTED_MINECRAFT_VERSIONS[version.id] = version.protocol
# Update the variables that depend on SUPPORTED_MINECRAFT_VERSIONS.
SUPPORTED_PROTOCOL_VERSIONS.clear()
RELEASE_MINECRAFT_VERSIONS.clear()
RELEASE_PROTOCOL_VERSIONS.clear()
for (version_id, protocol) in SUPPORTED_MINECRAFT_VERSIONS.items():
if re.match(r'\d+(\.\d+)+$', version_id):
RELEASE_MINECRAFT_VERSIONS[version_id] = protocol
if protocol not in RELEASE_PROTOCOL_VERSIONS:
RELEASE_PROTOCOL_VERSIONS.append(protocol)
if protocol not in SUPPORTED_PROTOCOL_VERSIONS:
SUPPORTED_PROTOCOL_VERSIONS.append(protocol)
initglobals(use_known_records=True)