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129 lines
4.0 KiB
Python
Executable File
129 lines
4.0 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Copies files to a directory."""
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import filecmp
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import itertools
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import optparse
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import os
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import shutil
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import sys
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from util import build_utils
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def _get_all_files(base):
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"""Returns a list of all the files in |base|. Each entry is relative to the
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last path entry of |base|."""
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result = []
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dirname = os.path.dirname(base)
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for root, _, files in os.walk(base):
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result.extend([os.path.join(root[len(dirname):], f) for f in files])
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return result
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def CopyFile(f, dest, deps):
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"""Copy file or directory and update deps."""
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if os.path.isdir(f):
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shutil.copytree(f, os.path.join(dest, os.path.basename(f)))
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deps.extend(_get_all_files(f))
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else:
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if os.path.isfile(os.path.join(dest, os.path.basename(f))):
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dest = os.path.join(dest, os.path.basename(f))
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deps.append(f)
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if os.path.isfile(dest):
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if filecmp.cmp(dest, f, shallow=False):
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return
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# The shutil.copy() below would fail if the file does not have write
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# permissions. Deleting the file has similar costs to modifying the
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# permissions.
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os.unlink(dest)
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shutil.copy(f, dest)
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def DoCopy(options, deps):
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"""Copy files or directories given in options.files and update deps."""
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files = list(itertools.chain.from_iterable(build_utils.ParseGnList(f)
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for f in options.files))
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for f in files:
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if os.path.isdir(f) and not options.clear:
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print ('To avoid stale files you must use --clear when copying '
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'directories')
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sys.exit(-1)
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CopyFile(f, options.dest, deps)
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def DoRenaming(options, deps):
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"""Copy and rename files given in options.renaming_sources and update deps."""
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src_files = list(itertools.chain.from_iterable(
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build_utils.ParseGnList(f)
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for f in options.renaming_sources))
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dest_files = list(itertools.chain.from_iterable(
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build_utils.ParseGnList(f)
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for f in options.renaming_destinations))
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if (len(src_files) != len(dest_files)):
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print('Renaming source and destination files not match.')
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sys.exit(-1)
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for src, dest in itertools.izip(src_files, dest_files):
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if os.path.isdir(src):
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print ('renaming diretory is not supported.')
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sys.exit(-1)
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else:
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CopyFile(src, os.path.join(options.dest, dest), deps)
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def main(args):
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args = build_utils.ExpandFileArgs(args)
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parser = optparse.OptionParser()
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build_utils.AddDepfileOption(parser)
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parser.add_option('--dest', help='Directory to copy files to.')
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parser.add_option('--files', action='append',
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help='List of files to copy.')
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parser.add_option('--clear', action='store_true',
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help='If set, the destination directory will be deleted '
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'before copying files to it. This is highly recommended to '
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'ensure that no stale files are left in the directory.')
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parser.add_option('--stamp', help='Path to touch on success.')
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parser.add_option('--renaming-sources',
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action='append',
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help='List of files need to be renamed while being '
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'copied to dest directory')
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parser.add_option('--renaming-destinations',
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action='append',
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help='List of destination file name without path, the '
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'number of elements must match rename-sources.')
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options, _ = parser.parse_args(args)
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if options.clear:
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build_utils.DeleteDirectory(options.dest)
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build_utils.MakeDirectory(options.dest)
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deps = []
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if options.files:
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DoCopy(options, deps)
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if options.renaming_sources:
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DoRenaming(options, deps)
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if options.depfile:
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build_utils.WriteDepfile(
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options.depfile, options.stamp, deps, add_pydeps=False)
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if options.stamp:
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build_utils.Touch(options.stamp)
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if __name__ == '__main__':
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sys.exit(main(sys.argv[1:]))
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