文件操作 - changelog_head
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文件: /usr/share/doc/python3-debian/examples/debfile/changelog_head
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#!/usr/bin/python3 # changelog_head - head like tool for .deb changelog entries # Copyright (C) 2007 Stefano Zacchiroli <zack@debian.org> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. """Like "head" for changelog entries, return last n-th entries of the changelog shipped in a .deb file.""" import sys from debian import debfile if __name__ == '__main__': if len(sys.argv) > 3 or len(sys.argv) < 2: print("Usage: changelog_head DEB [ENTRIES]") print(" ENTRIES defaults to 10") sys.exit(1) entries = 10 try: entries = int(sys.argv[2]) except IndexError: pass deb = debfile.DebFile(sys.argv[1]) chg = deb.changelog() entries = chg._blocks[:entries] print(''.join(map(str, entries)))
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