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Escartem
284
extract.py
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284
extract.py
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import os
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import shutil
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import zipfile
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import filecmp
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import subprocess
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from halo import Halo
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from progress.bar import PixelBar
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# don't question how optimised this is
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cwd = os.getcwd()
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path = lambda path: os.path.join(cwd, path)
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call = lambda args: subprocess.call(args, stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
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spinner = Halo(text="spinner", spinner={'interval': 100, 'frames': ['◜', '◠', '◝', '◞', '◡', '◟']}, placement="right")
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def main():
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# Extract tools on first launch
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if not os.path.exists("tools"):
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spinner.text = "Extracting tools for first launch"
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spinner.start()
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with zipfile.ZipFile(path("tools.zip"), "r") as zip:
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zip.extractall(cwd)
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os.remove(path("tools.zip"))
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spinner.stop()
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# Initial cleanup
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if os.path.exists("temp"):
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shutil.rmtree("temp")
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if os.path.exists("output") and len(os.listdir("output")) > 0:
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print("The output folder will be cleared when the program runs, press a key to continue or close this window")
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os.system("pause >nul")
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shutil.rmtree("output")
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# Get all files to process
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hdiff_files = [f for f in os.listdir("original") if f.endswith(".pck") and os.path.exists(f"hdiff/{f}.hdiff")]
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alone_files = [f for f in os.listdir("original") if f.endswith(".pck") and not os.path.exists(f"hdiff/{f}.hdiff")]
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files = [*hdiff_files, *alone_files]
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print(f"{len(files)} file(s) to extract")
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iteration = 0
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for file in files:
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try:
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iteration += 1
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filename = file
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if file in hdiff_files:
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filename = f"{file.split('.')[0]}.hdiff.pck"
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print(f"--- {filename} ({iteration}/{len(files)}) ---")
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alone, steps, curr = False, 7, 1
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if file in alone_files:
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alone, steps = True, 4
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######################################
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### 1 - Extract original .pck file ###
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######################################
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# update files
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if os.path.exists("temp"):
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shutil.rmtree("temp")
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os.makedirs(path("temp"), exist_ok=True)
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shutil.copy(f"original/{file}", f"temp/{file}")
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output_path = "original_decoded"
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if alone:
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output_path = "wem"
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# prepare args
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args = [
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path("tools/quickbms/quickbms.exe"),
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"-o",
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"-Y",
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path("tools/quickbms/wavescan.bms"),
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path(f"temp/{file}"),
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path(f"temp/{output_path}")
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]
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# update spinner and call program
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spinner.text = f"[{curr}/{steps}] Extracting"
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spinner.start()
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call(args)
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spinner.stop()
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print(f"[{curr}/{steps}] Extracting")
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if alone:
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all_files = os.listdir(path("temp/wem"))
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######################################
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### 2 - Patch the .pck with .hdiff ###
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######################################
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if not alone:
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curr += 1
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# update files
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shutil.copy(f"hdiff/{file}.hdiff", f"temp/{file}.hdiff")
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shutil.move(f"temp/{file}", f"temp/{file.split('.')[0]}.original.pck")
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# prepare args
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args = [
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path("tools/hpatchz/hpatchz.exe"),
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"-f",
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path(f"temp/{file.split('.')[0]}.original.pck"),
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path(f"temp/{file}.hdiff"),
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path(f"temp/{file}")
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]
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# update spinner and call program
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spinner.text = f"[{curr}/{steps}] Patching"
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spinner.start()
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call(args)
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spinner.stop()
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print(f"[{curr}/{steps}] Patching")
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#####################################
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### 3 - Extract patched .pck file ###
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#####################################
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if not alone:
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curr += 1
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# prepare args
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args = [
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path("tools/quickbms/quickbms.exe"),
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"-o",
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"-Y",
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path("tools/quickbms/wavescan.bms"),
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path(f"temp/{file}"),
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path(f"temp/patched_decoded")
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]
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# update spinner and call program
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spinner.text = f"[{curr}/{steps}] Extracting patch"
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spinner.start()
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call(args)
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spinner.stop()
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print(f"[{curr}/{steps}] Extracting patch")
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# cleanup useless files to save storage
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os.remove(f"temp/{file}")
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os.remove(f"temp/{file}.hdiff")
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os.remove(f"temp/{file.split('.')[0]}.original.pck")
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####################################
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### 4 - Search new/changed files ###
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####################################
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if not alone:
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curr += 1
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# update spinner
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spinner.text = f"[{curr}/{steps}] Filtering files"
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spinner.start()
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# compare folders
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diff = filecmp.dircmp(path("temp/original_decoded"), path("temp/patched_decoded"))
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new_files, changed_files = diff.right_only, diff.diff_files
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all_files = [*new_files, *changed_files]
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# merge files
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os.makedirs(path("temp/wem"), exist_ok=True)
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for file in all_files:
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shutil.move(f"temp/patched_decoded/{file}", f"temp/wem/{file}")
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# cleanup useless folders to save storage
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shutil.rmtree("temp/original_decoded")
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shutil.rmtree("temp/patched_decoded")
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spinner.stop()
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print(f"[{curr}/{steps}] Filtering files")
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######################################
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### 5 - Convert .wem files to .wav ###
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######################################
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curr += 1
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# updates folders and progress bar
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os.makedirs(path("temp/wav"), exist_ok=True)
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bar = PixelBar(f"[{curr}/{steps}] Converting to wav ", max=len(all_files), suffix='%(percent).1f%% - %(eta)ds left')
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# convert each file one by one
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for file in all_files:
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args = [
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path("tools/vgmstream/vgmstream-cli.exe"),
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"-o",
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path(f"temp/wav/{file.split('.')[0]}.wav"),
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path(f"temp/wem/{file}")
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]
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call(args)
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bar.next()
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bar.finish()
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# cleanup
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shutil.rmtree("temp/wem")
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######################################
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### 6 - Convert .wav files to .mp3 ###
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######################################
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curr += 1
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# updates folders and progress bar
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os.makedirs(path("temp/mp3"), exist_ok=True)
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bar = PixelBar(f"[{curr}/{steps}] Converting to mp3 ", max=len(all_files), suffix='%(percent).1f%% - %(eta)ds left')
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# update file list
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all_files = [f"{f.split('.')[0]}.wav" for f in all_files]
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# convert each file one by one
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for file in all_files:
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args = [
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path("tools/ffmpeg/ffmpeg.exe"),
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"-i",
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path(f"temp/wav/{file}"),
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"-acodec",
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"libmp3lame",
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"-b:a",
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"192k",
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path(f"temp/mp3/{file.split('.')[0]}.mp3"),
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]
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call(args)
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bar.next()
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bar.finish()
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# cleanup
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shutil.rmtree("temp/wav")
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######################################################
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### 7 - Clean everything and move result to output ###
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######################################################
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curr += 1
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# update spinner
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spinner.text = f"[{curr}/{steps}] Cleaning up"
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spinner.start()
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filename = filename.split('.')[0]
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if not alone:
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# update files list
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new_files = [f"{f.split('.')[0]}.mp3" for f in new_files]
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changed_files = [f"{f.split('.')[0]}.mp3" for f in changed_files]
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# prepare folders
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os.makedirs(path(f"output/{filename}"), exist_ok=True)
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os.makedirs(path("temp/new_files"), exist_ok=True)
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os.makedirs(path("temp/changed_files"), exist_ok=True)
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# split files into corresponding folder
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for file in new_files:
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shutil.move(f"temp/mp3/{file}", f"temp/new_files/{file}")
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for file in changed_files:
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shutil.move(f"temp/mp3/{file}", f"temp/changed_files/{file}")
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# move them to output
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final_path = f"output/{filename}"
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shutil.move("temp/new_files", f"{final_path}/new_files")
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shutil.move("temp/changed_files", f"{final_path}/changed_files")
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# cleanup
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shutil.rmtree("temp/mp3")
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else:
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# for no hdiff files
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os.makedirs(path(f"output/{filename} (no hdiff)"), exist_ok=True)
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shutil.move("temp/mp3", f"output/{filename} (no hdiff)")
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spinner.stop()
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print(f"[{curr}/{steps}] Cleaning up")
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except Exception as e:
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print("An error occured while processing this file ! Skipping to the next one, details of the error bellow :")
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print(e)
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# all files processed
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shutil.rmtree("temp")
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print("Done extracting everything !")
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if __name__ == "__main__":
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main()
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