mirror of
https://github.com/RetroPie/EmulationStation.git
synced 2025-04-02 10:41:48 -04:00
022e621156
Updated the generation script to account for Python 3.12 deprecation of 'datetime.now()'. Re-generated the MAME resource files from the following DATs: * MAME 262 (Jan 2024) * FBNeo (22 Feb 2024) * Libretro Mame2003-Plus (22 Feb 2024)
104 lines
3.7 KiB
Python
Executable file
104 lines
3.7 KiB
Python
Executable file
#!/usr/bin/env python3
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"""
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Utility to parse a MAME compatible DAT file and produce the EmulationStation's resource files:
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* mamebioses.xml - list of BIOS romsets
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* mamedevices.xml - list of MAME device-type romsets
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* mamenames.xml - list of MAME compatible romsets, with their description
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Any parameter given is considered a DAT file and parsed.
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The order of the DAT file is significant for the 'mamenames.xml' output, since the first description of a romset takes precendence.
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Format notes:
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- The files must be in XML format, older DAT format files are not supported
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- (upstream) MAME uses 'machine' as main element for a romset, with 'isbios' and 'isdevice' attributes used to mark it as a BIOS/device
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- MAME2003 and FBNeo don't have the concept of 'devices', they use 'isbios' or 'runnable=no' attributes to mark a BIOS romset
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"""
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from xml.sax.saxutils import escape
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from datetime import datetime,timezone
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import xml.etree.ElementTree as et
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import sys
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import os
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games = {}
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bioses = []
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devices = []
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files = []
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if len(sys.argv) < 2:
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print(f"Dat files missing, please add some.\nUsage: {sys.argv[0]} <DatFile1> .. <DatFileN>", file=sys.stderr)
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sys.exit(1)
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for dat in sys.argv[1:]:
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print(f"Reading file '{dat}'")
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if not os.path.isfile(dat):
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print(f"File {dat} not found, skipping", file=sys.stderr)
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continue
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try:
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xml = et.parse(dat)
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files.append(os.path.basename(dat))
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except Exception:
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print(f"File {dat} cannot be parsed as XML!", file=sys.stderr)
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continue
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"""
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FBNeo and older MAME dat files use 'game' as main element
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"""
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for game in xml.findall('.//game'):
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if ('runnable' in game.attrib and game.attrib['runnable'] == "no") or \
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('isbios' in game.attrib and game.attrib['isbios'] == "yes"):
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bioses.append(game.attrib['name'])
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continue
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name = game.attrib['name']
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desc = escape(game.find('description').text)
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if name not in games:
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games[name] = desc
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"""
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Mame DAT file use 'machine' as main element
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"""
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for game in xml.findall('.//machine'):
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if ('isbios' in game.attrib and game.attrib['isbios'] == "yes"):
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bioses.append(game.attrib['name'])
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continue
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if ('isdevice' in game.attrib and game.attrib['isdevice'] == "yes"):
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# Don't add the device unless it has at least one ROM file
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if len(game.findall('./rom')) > 0:
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devices.append(game.attrib['name'])
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continue
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name = game.attrib['name']
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desc = escape(game.find('description').text)
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if name not in games:
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games[name] = desc
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print(f"Found {len(games)} games, {len(sorted(set(bioses)))} BIOSes and {len(sorted(set(devices)))} devices")
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ident_info = f"<!-- Generated on {datetime.now(timezone.utc).strftime('%F')}, from {', '.join(files)} -->"
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if len(games) > 0:
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with open('mamenames.xml', 'w') as f:
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print(ident_info,file=f)
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for game in sorted(games):
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print(f"<game>\n\t<mamename>{game}</mamename>\n\t<realname>{games[game]}</realname>\n</game>", file=f)
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else:
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print("No games found, skipped writing 'mamenames.xml'", file=sys.stderr)
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if len(bioses) > 0:
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with open('mamebioses.xml', 'w') as f:
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print(ident_info,file=f)
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for dev in sorted(set(bioses)):
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print(f"<bios>{dev}</bios>", file=f)
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else:
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print("No BIOSes found, skipped writing 'mamebioses.xml'", file=sys.stderr)
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if len(devices) > 0:
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with open('mamedevices.xml', 'w') as f:
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print(ident_info,file=f)
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for bios in sorted(set(devices)):
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print(f"<device>{bios}</device>", file=f)
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else:
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print("No devices found, skipped writing 'mamedevices.xml'", file=sys.stderr)
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