mirror of
https://github.com/clap-rs/clap
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44 lines
1 KiB
Python
44 lines
1 KiB
Python
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#!/usr/bin/env python3
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import argparse
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import re
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import pathlib
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import sys
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_STDIO = pathlib.Path("-")
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument("-i", "--input", type=pathlib.Path, default="CHANGELOG.md")
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parser.add_argument("--tag", required=True)
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parser.add_argument("-o", "--output", type=pathlib.Path, required=True)
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args = parser.parse_args()
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if args.input == _STDIO:
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lines = sys.stdin.readlines()
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else:
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with args.input.open() as fh:
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lines = fh.readlines()
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version = args.tag.lstrip("v")
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note_lines = []
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for line in lines:
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if line.startswith("## ") and version in line:
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note_lines.append(line)
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elif note_lines and line.startswith("## "):
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break
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elif note_lines:
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note_lines.append(line)
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notes = "".join(note_lines).strip()
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if args.output == _STDIO:
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print(notes)
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else:
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args.output.write_text(notes)
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if __name__ == "__main__":
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main()
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