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当我尝试使用扩展列表作为copytree的ignore_patterns时,我正在处理一个抛出TypeError:unhashable type:'list'的python脚本。我不确定,1.为什么这不起作用,2.如何解决它。

# allFileTypes is the list of all extensions in source_dir
# grabbed with function getFileExtList
allFileTypes = getFileExtList(source_dir)
# delete the blank file type
del allFileTypes[0]

#  Open a window to choose the files to copy
copyList = eg.multchoicebox(msg='Select the file types to copy',
                choices=(allFileTypes))

# List comprehension to make an ignore list for copytree
ignoreList = [x for x in allFileTypes if x not in copyList]


# Open a window to choose the destination directory
root_dir = eg.diropenbox(title='Choose Destination Directory')

# Take the basename of source_dir adding it to root_dir or os.mkdir will
# will break on the existing directory
dest_dir = os.path.join(root_dir, os.path.basename(source_dir))

# copytree everything from the source_dir to the dest_dir ignoring
# all files types not chosen from the list
copytree(source_dir, dest_dir, ignore=ignore_patterns(ignoreList))
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1 回答 1

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copytree(source_dir, dest_dir, ignore=ignore_patterns(*ignoreList))

ignore_patterns接收所有模式作为位置参数,而不是列表。

于 2013-08-19T00:23:29.900 回答