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89 lines
2.0 KiB
Python
Executable File
89 lines
2.0 KiB
Python
Executable File
#!/usr/bin/env python3
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import argparse
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import hashlib
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from pathlib import Path
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from typing import Optional
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parser = argparse.ArgumentParser(
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description="Gives information on GameCube disc images"
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)
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parser.add_argument("iso", help="path to a GameCube disc image")
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system_codes = {
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"D": "GameCube Demo",
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"G": "GameCube",
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"P": "GameCube Promotional",
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"R": "Early Wii",
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"S": "Later Wii",
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}
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region_codes = {"E": "NTSC-U", "J": "NTSC-J", "P": "PAL"}
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publisher_codes = {"01": "Nintendo", "08": "Capcom", "8P": "Sega", "E9": "Natsume"}
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def get_info(iso_path: Path, iso_bytes: Optional[bytes] = None):
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if iso_bytes is None:
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iso_bytes = iso_path.read_bytes()
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return get_info_bytes(iso_bytes)
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def get_info_bytes(iso_bytes: bytes):
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system_code = chr(iso_bytes[0x00])
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game_code = iso_bytes[0x01:0x03].decode("utf-8")
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region_code = chr(iso_bytes[0x03])
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publisher_code = iso_bytes[0x04:0x06].decode("utf-8")
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name = str(iso_bytes[0x20:0x400], "utf-8").strip("\x00")
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root = "filesystem"
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compiler = "mwcc"
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sha1 = hashlib.sha1(iso_bytes).hexdigest()
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return GCIso(
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name,
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root,
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system_code,
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game_code,
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region_code,
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publisher_code,
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compiler,
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sha1,
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)
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class GCIso:
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def __init__(
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self,
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name: str,
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root: str,
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system_code,
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game_code,
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region_code,
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publisher_code,
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compiler,
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sha1,
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):
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self.name = name
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self.root = root
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self.system_code = system_code
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self.game_code = game_code
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self.region_code = region_code
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self.publisher_code = publisher_code
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self.compiler = compiler
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self.sha1 = sha1
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def get_system_name(self):
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return system_codes[self.system_code]
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def get_publisher_name(self):
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return publisher_codes[self.publisher_code]
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def get_region_name(self):
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return region_codes[self.region_code]
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