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60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
"""
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iPod Play Count parser.
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Documentation:
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- http://ipl.derpapst.org/wiki/ITunesDB/Play_Counts_File
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(formerly known as http://ipodlinux.org)
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Author: m42i
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Creation date: 01 March 2014
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"""
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from hachoir_parser import Parser
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from hachoir_core.field import (FieldSet,
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UInt8, UInt16, UInt32, Int32, UInt64, TimestampMac32,
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String, Float32, NullBytes, Enum, RawBytes)
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from hachoir_core.endian import LITTLE_ENDIAN
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from hachoir_core.tools import humanDuration
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from hachoir_core.text_handler import displayHandler, filesizeHandler
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class PlayCountFile(Parser):
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PARSER_TAGS = {
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"id": "playcounts",
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"category": "audio",
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"min_size": 44*8,
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"magic": (('mhdp',0),),
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"description": "iPod Play Counts file"
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}
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endian = LITTLE_ENDIAN
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def validate(self):
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return self.stream.readBytes(0, 4) == 'mhdp'
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def createFields(self):
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yield String(self, "header_id", 4, "Play Count Header Markup (\"mhdp\")", charset="ISO-8859-1")
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yield UInt32(self, "header_length", "Header Length")
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yield UInt32(self, "entry_length", "Single Entry Length")
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yield UInt32(self, "entry_number", "Number of Songs on iPod")
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padding = self.seekByte(self["header_length"].value, "header padding")
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if padding:
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yield padding
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for i in xrange(self["entry_number"].value):
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yield PlayCountEntry(self, "track[]")
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class PlayCountEntry(FieldSet):
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def __init__(self, *args, **kw):
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FieldSet.__init__(self, *args, **kw)
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self._size = 28*8
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def createFields(self):
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yield UInt32(self, "play_count", "Playcount since last sync")
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yield TimestampMac32(self, "last_played", "Time of the last play of the track")
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yield UInt32(self, "audio_bookmark", "Last position in milliseconds")
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yield UInt32(self, "rating", "Rating in steps of 20 up to 100")
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yield UInt32(self, "unknown", "unknown")
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yield UInt32(self, "skip_count", "Number of skips since last sync")
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yield TimestampMac32(self, "last_skipped", "Time of the last skip")
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