Mercurial > repos > yating-l > jbrowsearchivecreator

annotate test/lib/python2.7/fnmatch.py @ 3:7d1a9a91b989 draft

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planemo upload for repository https://github.com/Yating-L/jbrowse-archive-creator.git commit d583ac16a6c6942730ea536eb59cc37941816030-dirty
author yating-l
date Thu, 18 May 2017 18:37:28 -0400
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3
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1 """Filename matching with shell patterns.
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2
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3 fnmatch(FILENAME, PATTERN) matches according to the local convention.
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4 fnmatchcase(FILENAME, PATTERN) always takes case in account.
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5
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6 The functions operate by translating the pattern into a regular
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7 expression. They cache the compiled regular expressions for speed.
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8
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9 The function translate(PATTERN) returns a regular expression
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10 corresponding to PATTERN. (It does not compile it.)
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11 """
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12
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13 import re
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14
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15 __all__ = ["filter", "fnmatch", "fnmatchcase", "translate"]
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16
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17 _cache = {}
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18 _MAXCACHE = 100
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19
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20 def _purge():
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21 """Clear the pattern cache"""
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22 _cache.clear()
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23
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24 def fnmatch(name, pat):
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25 """Test whether FILENAME matches PATTERN.
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26
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27 Patterns are Unix shell style:
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28
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29 * matches everything
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30 ? matches any single character
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31 [seq] matches any character in seq
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32 [!seq] matches any char not in seq
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33
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34 An initial period in FILENAME is not special.
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35 Both FILENAME and PATTERN are first case-normalized
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36 if the operating system requires it.
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37 If you don't want this, use fnmatchcase(FILENAME, PATTERN).
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38 """
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39
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40 import os
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41 name = os.path.normcase(name)
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42 pat = os.path.normcase(pat)
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43 return fnmatchcase(name, pat)
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44
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45 def filter(names, pat):
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46 """Return the subset of the list NAMES that match PAT"""
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47 import os,posixpath
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48 result=[]
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49 pat=os.path.normcase(pat)
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50 try:
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51 re_pat = _cache[pat]
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52 except KeyError:
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53 res = translate(pat)
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54 if len(_cache) >= _MAXCACHE:
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55 _cache.clear()
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56 _cache[pat] = re_pat = re.compile(res)
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57 match = re_pat.match
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58 if os.path is posixpath:
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59 # normcase on posix is NOP. Optimize it away from the loop.
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60 for name in names:
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61 if match(name):
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62 result.append(name)
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63 else:
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64 for name in names:
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65 if match(os.path.normcase(name)):
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66 result.append(name)
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67 return result
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68
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69 def fnmatchcase(name, pat):
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70 """Test whether FILENAME matches PATTERN, including case.
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71
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72 This is a version of fnmatch() which doesn't case-normalize
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73 its arguments.
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74 """
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75
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76 try:
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77 re_pat = _cache[pat]
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78 except KeyError:
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79 res = translate(pat)
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80 if len(_cache) >= _MAXCACHE:
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81 _cache.clear()
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82 _cache[pat] = re_pat = re.compile(res)
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83 return re_pat.match(name) is not None
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84
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85 def translate(pat):
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86 """Translate a shell PATTERN to a regular expression.
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87
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88 There is no way to quote meta-characters.
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89 """
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90
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91 i, n = 0, len(pat)
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92 res = ''
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93 while i < n:
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94 c = pat[i]
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95 i = i+1
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96 if c == '*':
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97 res = res + '.*'
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98 elif c == '?':
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99 res = res + '.'
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100 elif c == '[':
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101 j = i
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102 if j < n and pat[j] == '!':
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103 j = j+1
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104 if j < n and pat[j] == ']':
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105 j = j+1
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yating-l
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106 while j < n and pat[j] != ']':
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107 j = j+1
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108 if j >= n:
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109 res = res + '\\['
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110 else:
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111 stuff = pat[i:j].replace('\\','\\\\')
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112 i = j+1
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113 if stuff[0] == '!':
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114 stuff = '^' + stuff[1:]
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115 elif stuff[0] == '^':
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116 stuff = '\\' + stuff
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117 res = '%s[%s]' % (res, stuff)
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118 else:
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119 res = res + re.escape(c)
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120 return res + '\Z(?ms)'