type rewrite
This commit is contained in:
parent
a2a7ca2ffb
commit
677ece2cb9
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@ -27,4 +27,4 @@ class ReplayFrame:
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return "%s|%s|%s|%s," % (self.delta, self.x, self.y, self.buttons)
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def __bytes__(self):
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return str(self).encode()
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return str(self).encode()
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@ -2,3 +2,5 @@ from . import osuModes
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from . import osuMods
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from . import osuRanks
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from . import osuButtons
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from . import typeSerializer
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109
osuRepy/helpers/typeSerializer.py
Normal file
109
osuRepy/helpers/typeSerializer.py
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@ -0,0 +1,109 @@
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import struct
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TYPE_CHAR = b"b"
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TYPE_BYTE = b"B"
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TYPE_BOOL = b"?"
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TYPE_SHORT = b"h"
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TYPE_USHORT = b"H"
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TYPE_INT = b"i"
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TYPE_UINT = b"I"
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TYPE_LONG = b"l"
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TYPE_ULONG = b"L"
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TYPE_LLONG = b"q"
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TYPE_ULLONG = b"Q"
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TYPE_FLOAT = b"f"
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TYPE_DOUBLE = b"d"
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TYPE_STRING = b"B%ds"
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TYPE_BYTESTREAM = b"%ds"
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BYTEORDER_NATIVE = b"@"
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BYTEORDER_LITTLE = b"<"
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BYTEORDER_BIG = b">"
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def guess_type(value):
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t_value = type(value)
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if t_value is bool:
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return TYPE_BOOL
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if t_value is float:
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return TYPE_FLOAT
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if t_value is str:
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return TYPE_STRING
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if t_value is bytes:
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return TYPE_STRING
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if t_value is int:
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bit_len = 0
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while value:
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value >>= 1
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bit_len += 1
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byte_len = (bit_len + 1) // 2
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if byte_len <= 1:
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return TYPE_BYTE
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if byte_len <= 2:
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return TYPE_USHORT
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if byte_len <= 4:
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return TYPE_UINT
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if byte_len <= 8:
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return TYPE_ULLONG
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raise Exception("Unable to guess type")
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class Serializable:
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post_serialized = None
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def __init__(self, value, type = None, post = None):
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self.value = value
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if type is not None:
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self.type = type
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else:
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self.type = guess_type(type)
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self.post_serialized = post
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def get_struct_fmt(self):
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if self.type in [TYPE_STRING, TYPE_BYTESTREAM]:
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return self.type % len(self.get_value()[-1])
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return self.type
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def get_value(self):
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def _get_value():
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if self.type == TYPE_STRING:
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return [11, bytes([len(self.value)]) + self.value]
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return [self.value]
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val = _get_value()
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if self.post_serialized is not None:
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val[-1] = self.post_serialized(val[-1])
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return val
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def pack(self, byte_order = BYTEORDER_LITTLE):
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struct_fmt = byte_order + self.get_struct_fmt()
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print(struct_fmt, self.get_value())
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return struct.pack(struct_fmt, *self.get_value())
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class Serializer:
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def __init__(self, byte_order = BYTEORDER_LITTLE):
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self.stack = []
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self.byte_order = byte_order
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def add(self, serializable):
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if type(serializable) is list:
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self.stack += serializable
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else:
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self.stack.append(serializable)
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def flush(self):
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return b"".join(s.pack() for s in self.stack)
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"""
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struct_fmt = self.byte_order + b"".join( s.get_struct_fmt() for s in self.stack )
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print(struct_fmt)
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print([ s.get_value() for s in self.stack ])
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return struct.pack(struct_fmt, *[ s.get_value() for s in self.stack ])
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"""
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def __bytes__(self):
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return self.flush()
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@ -6,6 +6,8 @@ from .helpers import osuModes
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from .helpers import osuMods
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from .helpers import osuRanks
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from .helpers.typeSerializer import *
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from io import BufferedReader
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from os.path import isfile
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from hashlib import md5 as _md5
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@ -27,31 +29,43 @@ def md5_file(file):
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hash.update(chunk)
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return hash.hexdigest()
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def lzma_compress(data):
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return bytes([len(data)]) + lzma.compress(data + b"-12345|0|0|1337,", format = lzma.FORMAT_ALONE, filters = [
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{
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"id": lzma.FILTER_LZMA1,
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"preset": lzma.PRESET_DEFAULT,
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"dict_size": 1 << 21
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}
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])
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class Replay:
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mode = osuModes.STANDARD # Byte
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osu_version = 20131216 # Int
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beatmap_hash = b"d41d8cd98f00b204e9800998ecf8427e" # Byte[]
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player_name = b"osu!" # Byte[]
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score_hash = b"d41d8cd98f00b204e9800998ecf8427e" # Byte[]
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mode = Serializable(osuModes.STANDARD, TYPE_BYTE)
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osu_version = Serializable(20131216, TYPE_INT)
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beatmap_hash = Serializable(b"d41d8cd98f00b204e9800998ecf8427e", TYPE_STRING)
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player_name = Serializable(b"osu!", TYPE_STRING)
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score_hash = Serializable(b"d41d8cd98f00b204e9800998ecf8427e", TYPE_STRING)
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score_300s = 0 # uShort
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score_100s = 0 # uShort
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score_50s = 0 # uShort
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score_gekis = 0 # uShort
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score_katus = 0 # uShort
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score_miss = 0 # uShort
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score = 0 # Int
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combo = 0 # uShort
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perfect = True # Byte
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score_300s = Serializable(0, TYPE_USHORT)
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score_100s = Serializable(0, TYPE_USHORT)
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score_50s = Serializable(0, TYPE_USHORT)
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score_gekis = Serializable(0, TYPE_USHORT)
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score_katus = Serializable(0, TYPE_USHORT)
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score_miss = Serializable(0, TYPE_USHORT)
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score = Serializable(0, TYPE_INT)
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combo = Serializable(0, TYPE_USHORT)
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perfect = Serializable(True, TYPE_BOOL)
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mods = osuMods.NOMOD # Int
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mods = Serializable(osuMods.NOMOD, TYPE_INT)
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lifebar_graph = b"0|1," # Byte[]
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timestamp = 0 # Long
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lifebar_graph = Serializable(b"0|1,", TYPE_STRING)
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timestamp = Serializable(0, TYPE_ULLONG)
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replay_data = b"" # Byte[]
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replay_data = Serializable(b"", TYPE_BYTESTREAM, post = lzma_compress)
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online_score_id = 0 # Long
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online_score_id = Serializable(0, TYPE_ULLONG)
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# Marker (Only used as attribute section marker for auto-serializing)
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end_of_attributes = None
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def __init__(self, **kwargs):
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allowed_kwargs = {
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@ -67,54 +81,54 @@ class Replay:
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# Set validators -----------------------------------------------------------
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def set_mode(self, mode_id):
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if mode_id > 3 or mode_id < 0:
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def set_mode(self, mode):
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if mode > 3 or mode < 0:
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raise Exception("Invalid mode")
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self.mode_id = mode_id
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self.mode.value = mode
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def set_osu_version(self, osu_version):
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if type(osu_version) is not int:
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raise Exception("osu! version must be an int")
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self.osu_version = osu_version
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self.osu_version.value = osu_version
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def set_beatmap_hash(self, md5_hash):
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if len(md5_hash) != 32 or len([x for x in md5_hash if x in string.hexdigits]) != 32:
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raise Exception("Invalid beatmap hash")
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self.beatmap_hash = md5_hash
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self.beatmap_hash.value = md5_hash
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def set_beatmap(self, filepath):
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if not isfile(filepath):
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raise Exception("Beatmap file not found")
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with open(filepath, "rb") as f:
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self.beatmap_hash = md5_file(f)
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self.beatmap_hash.value = md5_file(f)
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def set_player_name(self, player_name):
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self.player_name = player_name
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self.player_name.value = player_name
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def set_score_hash(self, md5_hash):
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if type(md5_hash) is bytes:
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md5_hash = md5_hash.decode()
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if len(md5_hash) != 32 or len([x for x in md5_hash if x in string.hexdigits]) != 32:
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raise Exception("Invalid replay hash")
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self.score_hash = md5_hash.encode()
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self.score_hash.value = md5_hash.encode()
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def set_mods(self, mods):
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if mods < 0 or mods > (1 << 30) - 1:
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raise Exception("Mods are out of range")
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self.mods = mods
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self.mods.value = mods
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# --------------------------------------------------------------------------
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# Update variables ---------------------------------------------------------
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def update_perfect(self):
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m = [self.score_100s, self.score_50s, self.score_katus, self.score_miss]
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self.perfect = sum(m) == 0
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m = [self.score_100s.value, self.score_50s.value, self.score_katus.value, self.score_miss.value]
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self.perfect.value = sum(m) == 0
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def update_score_hash(self):
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self.set_score_hash(
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md5_str("%d%s%s%s%d%d" % (
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self.combo, "osu", self.player_name,
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self.beatmap_hash, self.score, self.get_rank()
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self.combo.value, "osu", self.player_name.value,
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self.beatmap_hash.value, self.score.value, self.get_rank()
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))
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)
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@ -126,27 +140,27 @@ class Replay:
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# Get / Helpers ------------------------------------------------------------
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def get_hits(self):
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return sum([self.score_300s, self.score_100s, self.score_50s])
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return sum([self.score_300s.value, self.score_100s.value, self.score_50s.value])
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def get_possible_hits(self):
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return self.get_hits() + self.score_miss
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return self.get_hits() + self.score_miss.value
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def get_rank(self): # We dont give out F ranks around here
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hits = self.get_possible_hits()
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if hits == 0:
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raise Exception("Can not calculate rank without any score data")
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r300 = self.score_300s / hits
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r50 = self.score_50s / hits
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h = osuMods.any_enabled(self.mods, osuMods.HIDDEN | osuMods.FLASHLIGHT)
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r300 = self.score_300s.value / hits
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r50 = self.score_50s.value / hits
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h = osuMods.any_enabled(self.mods.value, osuMods.HIDDEN | osuMods.FLASHLIGHT)
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if r300 == 1:
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return osuRanks.SSH if h else osuRanks.SS
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if r300 > .9 and r50 <= .01 and self.score_miss == 0:
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if r300 > .9 and r50 <= .01 and self.score_miss.value == 0:
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return osuRanks.SH if h else osuRanks.S
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if r300 > .8 and self.score_miss == 0 or r300 > .9:
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if r300 > .8 and self.score_miss.value == 0 or r300 > .9:
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return osuRanks.A
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if r300 > .7 and self.score_miss == 0 or r300 > .8:
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if r300 > .7 and self.score_miss.value == 0 or r300 > .8:
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return osuRanks.B
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if r300 > .6:
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return osuRanks.C
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@ -161,7 +175,7 @@ class Replay:
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self.write(_frame)
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return
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self.replay_data += bytes(frame)
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self.replay_data.value += bytes(frame)
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# --------------------------------------------------------------------------
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# IO replay data -----------------------------------------------------------
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@ -169,34 +183,15 @@ class Replay:
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def save(self, filename):
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self.update()
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compressed_replay = lzma.compress(self.replay_data + b"-12345|0|0|1337,", format = lzma.FORMAT_ALONE, filters = [
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{
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"id": lzma.FILTER_LZMA1,
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"preset": lzma.PRESET_DEFAULT,
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"dict_size": 1 << 21, # !important
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}
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])
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serializer = Serializer()
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_player_name = bytes([len(self.player_name)]) + self.player_name
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_lifebar_graph = bytes([len(self.lifebar_graph)]) + self.lifebar_graph
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_compressed_replay = bytes([len(compressed_replay)]) + compressed_replay
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attribs = [ a for a in self.__dir__() if not a.startswith("__") ]
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for attrib in attribs:
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if attrib == "end_of_attributes":
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break
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serializer.add( self.__getattribute__(attrib) ) # Add value to serializer
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with open(filename, "wb") as f:
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# Yes... Please never do this
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data = struct.pack(b"<BiBB32sB%dsBB32s6HiH?iB%dsQ%dsQ" % (len(_player_name), len(_lifebar_graph), len(_compressed_replay)),
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self.mode,
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self.osu_version,
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11, len(self.beatmap_hash), self.beatmap_hash,
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11, _player_name,
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11, len(self.score_hash), self.score_hash,
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self.score_300s, self.score_100s, self.score_50s, self.score_gekis, self.score_katus, self.score_miss,
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self.score,
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self.combo,
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self.perfect,
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self.mods,
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11, _lifebar_graph,
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self.timestamp,
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_compressed_replay,
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self.online_score_id
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)
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f.write(data)
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f.write( serializer.flush() )
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print(serializer.flush())
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4
test.py
4
test.py
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@ -4,7 +4,7 @@ from osuRepy.replay import Replay
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replay = Replay()
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replay.write( ReplayFrame(2, 3, 4, 4) )
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replay.score_300s = 20
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replay.timestamp = 635592412124124124 # Wed Feb 11 2015 09:03:52 GMT+0100 (Central European Standard Time)
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replay.score_300s.value = 20
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replay.timestamp.value = 635592412124124124 # Wed Feb 11 2015 09:03:52 GMT+0100 (Central European Standard Time)
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replay.save("test.osr")
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