62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
# Created By: Virgil Dupras
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# Created On: 2008-01-08
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# Copyright 2013 Hardcoded Software (http://www.hardcoded.net)
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# This software is licensed under the "BSD" License as described in the "LICENSE" file,
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# which should be included with this package. The terms are also available at
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# http://www.hardcoded.net/licenses/bsd_license
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import re
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from . import io
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#This matches [123], but not [12] (3 digits being the minimum).
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#It also matches [1234] [12345] etc..
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#And only at the start of the string
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re_conflict = re.compile(r'^\[\d{3}\d*\] ')
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def get_conflicted_name(other_names, name):
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"""Returns name with a [000] number in front of it.
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The number between brackets depends on how many conlicted filenames
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there already are in other_names.
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"""
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name = get_unconflicted_name(name)
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if name not in other_names:
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return name
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i = 0
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while True:
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newname = '[%03d] %s' % (i, name)
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if newname not in other_names:
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return newname
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i += 1
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def get_unconflicted_name(name):
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return re_conflict.sub('',name,1)
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def is_conflicted(name):
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return re_conflict.match(name) is not None
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def _smart_move_or_copy(operation, source_path, dest_path):
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''' Use move() or copy() to move and copy file with the conflict management, but without the
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slowness of the fs system.
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'''
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if io.isdir(dest_path) and not io.isdir(source_path):
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dest_path = dest_path + source_path[-1]
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if io.exists(dest_path):
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filename = dest_path[-1]
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dest_dir_path = dest_path[:-1]
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newname = get_conflicted_name(io.listdir(dest_dir_path), filename)
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dest_path = dest_dir_path + newname
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operation(source_path, dest_path)
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def smart_move(source_path, dest_path):
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_smart_move_or_copy(io.move, source_path, dest_path)
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def smart_copy(source_path, dest_path):
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try:
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_smart_move_or_copy(io.copy, source_path, dest_path)
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except IOError as e:
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if e.errno in {21, 13}: # it's a directory, code is 21 on OS X / Linux and 13 on Windows
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_smart_move_or_copy(io.copytree, source_path, dest_path)
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else:
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raise |