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"""Filename globbing utility."""
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import os
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import fnmatch
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import re
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__all__ = ["glob"]
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def glob(pathname):
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"""Return a list of paths matching a pathname pattern.
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The pattern may contain simple shell-style wildcards a la fnmatch.
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"""
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if not has_magic(pathname):
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if os.path.exists(pathname):
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return [pathname]
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else:
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return []
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dirname, basename = os.path.split(pathname)
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if not dirname:
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return glob1(os.curdir, basename)
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elif has_magic(dirname):
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list = glob(dirname)
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else:
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list = [dirname]
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if not has_magic(basename):
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result = []
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for dirname in list:
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if basename or os.path.isdir(dirname):
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name = os.path.join(dirname, basename)
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if os.path.exists(name):
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result.append(name)
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else:
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result = []
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for dirname in list:
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sublist = glob1(dirname, basename)
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for name in sublist:
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result.append(os.path.join(dirname, name))
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return result
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def glob1(dirname, pattern):
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if not dirname: dirname = os.curdir
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try:
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names = os.listdir(dirname)
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except os.error:
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return []
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if pattern[0]!='.':
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names=filter(lambda x: x[0]!='.',names)
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return fnmatch.filter(names,pattern)
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magic_check = re.compile('[*?[]')
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def has_magic(s):
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return magic_check.search(s) is not None
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