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60 lines
1.8 KiB
60 lines
1.8 KiB
# -*- coding: utf-8 -*-
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# Copyright 2018 Mike Fährmann
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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"""Store files in ZIP archives"""
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from .common import PostProcessor
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import zipfile
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import os
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class ZipPP(PostProcessor):
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COMPRESSION_ALGORITHMS = {
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"store": zipfile.ZIP_STORED,
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"zip": zipfile.ZIP_DEFLATED,
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"bzip2": zipfile.ZIP_BZIP2,
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"lzma": zipfile.ZIP_LZMA,
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}
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def __init__(self, pathfmt, options):
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PostProcessor.__init__(self)
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self.delete = not options.get("keep-files", False)
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self.ext = "." + options.get("extension", "zip")
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algorithm = options.get("compression", "store")
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if algorithm not in self.COMPRESSION_ALGORITHMS:
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self.log.warning(
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"unknown compression algorithm '%s'; falling back to 'store'",
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algorithm)
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algorithm = "store"
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self.path = pathfmt.realdirectory
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self.zfile = zipfile.ZipFile(
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self.path + self.ext, "a",
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self.COMPRESSION_ALGORITHMS[algorithm], True)
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def run(self, pathfmt):
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# 'NameToInfo' is not officially documented, but it's available
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# for all supported Python versions and using it directly is a lot
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# better than calling getinfo()
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if pathfmt.filename not in self.zfile.NameToInfo:
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self.zfile.write(pathfmt.temppath, pathfmt.filename)
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pathfmt.delete = self.delete
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def finalize(self):
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self.zfile.close()
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if self.delete:
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try:
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os.rmdir(self.path)
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except OSError:
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pass
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__postprocessor__ = ZipPP
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