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Merge pull request #65 from randovania/feature/compare-paks
Add compare_paks.py
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import argparse | ||
import collections | ||
import dataclasses | ||
import pprint | ||
from pathlib import Path | ||
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from retro_data_structures.base_resource import AssetId | ||
from retro_data_structures.formats import Pak | ||
from retro_data_structures.game_check import Game | ||
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@dataclasses.dataclass() | ||
class PakMetrics: | ||
id_occurrences: dict[AssetId, int] | ||
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@classmethod | ||
def get_metrics(cls, pak: Pak): | ||
id_occurrences = collections.defaultdict(int) | ||
for file in pak._raw.files: | ||
id_occurrences[file.asset_id] += 1 | ||
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return cls( | ||
id_occurrences=id_occurrences, | ||
) | ||
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def compare(pak_a_path: Path, pak_b_path: Path, game: Game): | ||
pak_a = Pak.parse(pak_a_path.read_bytes(), target_game=game) | ||
pak_b = Pak.parse(pak_b_path.read_bytes(), target_game=game) | ||
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names = {} | ||
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for name, asset in pak_a.named_assets.items(): | ||
names[asset] = name | ||
for name, asset in pak_b.named_assets.items(): | ||
names[asset] = name | ||
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def format_id(i): | ||
s = f"0x{i:08X}" | ||
if i in names: | ||
s += f" ({names[i]})" | ||
return s | ||
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a_metrics = PakMetrics.get_metrics(pak_a) | ||
b_metrics = PakMetrics.get_metrics(pak_b) | ||
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a_ids_set = set(a_metrics.id_occurrences.keys()) | ||
b_ids_set = set(b_metrics.id_occurrences.keys()) | ||
both_ids = a_ids_set.intersection(b_ids_set) | ||
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a_only = a_ids_set - b_ids_set | ||
b_only = b_ids_set - a_ids_set | ||
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if a_only: | ||
print("===== ids only in a =====") | ||
pprint.pp(list(map(format_id, a_only)), width=200) | ||
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if b_only: | ||
print("===== ids only in b =====") | ||
pprint.pp(list(map(format_id, b_only)), width=200) | ||
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different_occurrences = set() | ||
different_body = set() | ||
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for asset in both_ids: | ||
if a_metrics.id_occurrences[asset] != b_metrics.id_occurrences[asset]: | ||
different_occurrences.add(asset) | ||
else: | ||
a_asset = pak_a.get_asset(asset, can_be_compressed=True) | ||
b_asset = pak_b.get_asset(asset, can_be_compressed=True) | ||
if a_asset != b_asset: | ||
if a_asset.compressed != b_asset.compressed: | ||
if pak_a.get_asset(asset) == pak_b.get_asset(asset): | ||
continue | ||
different_body.add(asset) | ||
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if different_occurrences: | ||
print("===== different occurrences =====") | ||
pprint.pp(list(map(format_id, different_occurrences)), width=120) | ||
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if different_body: | ||
print("===== different bodies =====") | ||
pprint.pp(list(map(format_id, different_body)), width=120) | ||
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def main(): | ||
parser = argparse.ArgumentParser() | ||
parser.add_argument("--game", required=True, choices=[g.name for g in Game]) | ||
parser.add_argument("--recursive", action="store_true") | ||
parser.add_argument("pak_a", type=Path) | ||
parser.add_argument("pak_b", type=Path) | ||
args = parser.parse_args() | ||
game = getattr(Game, args.game) | ||
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root_a: Path = args.pak_a | ||
root_b: Path = args.pak_b | ||
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if args.recursive: | ||
exists_in_a = {pak.relative_to(root_a).as_posix() for pak in root_a.rglob("*.pak")} | ||
exists_in_b = {pak.relative_to(root_b).as_posix() for pak in root_b.rglob("*.pak")} | ||
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if exists_in_a - exists_in_b: | ||
print(f"Paks only in A: {exists_in_a - exists_in_b}") | ||
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if exists_in_b - exists_in_a: | ||
print(f"Paks only in B: {exists_in_b - exists_in_a}") | ||
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for pak in sorted(exists_in_a & exists_in_b): | ||
assert isinstance(pak, str) | ||
if pak.startswith("Metroid"): | ||
continue | ||
print(f">> Checking {pak}") | ||
compare(root_a.joinpath(pak), root_b.joinpath(pak), game) | ||
else: | ||
compare(root_a, root_b, game) | ||
print("I'm DONE") | ||
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if __name__ == '__main__': | ||
main() |