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69 lines
1.5 KiB
Python
69 lines
1.5 KiB
Python
#!/usr/bin/env python
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import os
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import os.path
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import subprocess
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IGNORE = subprocess.DEVNULL
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EXERCISES_PATH = "exercises"
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ANSWERS_PATH = "answers"
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PATCHES_PATH = "patches/patches"
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# Heals all the exercises.
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def heal():
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maketree(ANSWERS_PATH)
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with os.scandir(EXERCISES_PATH) as it:
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for entry in it:
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name = entry.name
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original_path = entry.path
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patch_path = os.path.join(PATCHES_PATH, patch_name(name))
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output_path = os.path.join(ANSWERS_PATH, name)
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patch(original_path, patch_path, output_path)
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def main():
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heal()
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with os.scandir(EXERCISES_PATH) as it:
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for entry in it:
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name = entry.name
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broken_path = entry.path
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healed_path = os.path.join(ANSWERS_PATH, name)
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patch_path = os.path.join(PATCHES_PATH, patch_name(name))
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with open(patch_path, "w") as file:
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term = subprocess.run(
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["diff", broken_path, healed_path],
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stdout=file,
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text=True,
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)
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assert term.returncode == 1
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def maketree(path):
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return os.makedirs(path, exist_ok=True)
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# Returns path with the patch extension.
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def patch_name(path):
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name, _ = os.path.splitext(path)
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return name + ".patch"
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# Applies patch to original, and write the file to output.
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def patch(original, patch, output):
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subprocess.run(
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["patch", "-i", patch, "-o", output, original], stdout=IGNORE, check=True
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)
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main()
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