mirror of
https://github.com/open-source-parsers/jsoncpp.git
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59e4d35339
Requested/noticed in https://github.com/open-source-parsers/jsoncpp/pull/610, and a followup to https://github.com/open-source-parsers/jsoncpp/pull/607 .
206 lines
7.7 KiB
Python
206 lines
7.7 KiB
Python
#!/usr/bin/env python
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# encoding: utf-8
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# Copyright 2009 Baptiste Lepilleur and The JsonCpp Authors
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# Distributed under MIT license, or public domain if desired and
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# recognized in your jurisdiction.
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# See file LICENSE for detail or copy at http://jsoncpp.sourceforge.net/LICENSE
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from __future__ import print_function
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from dircache import listdir
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import re
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import fnmatch
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import os.path
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# These fnmatch expressions are used by default to prune the directory tree
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# while doing the recursive traversal in the glob_impl method of glob function.
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prune_dirs = '.git .bzr .hg .svn _MTN _darcs CVS SCCS '
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# These fnmatch expressions are used by default to exclude files and dirs
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# while doing the recursive traversal in the glob_impl method of glob function.
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##exclude_pats = prune_pats + '*~ #*# .#* %*% ._* .gitignore .cvsignore vssver.scc .DS_Store'.split()
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# These ant_glob expressions are used by default to exclude files and dirs and also prune the directory tree
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# while doing the recursive traversal in the glob_impl method of glob function.
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default_excludes = '''
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**/*~
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**/#*#
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**/.#*
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**/%*%
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**/._*
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**/CVS
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**/CVS/**
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**/.cvsignore
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**/SCCS
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**/SCCS/**
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**/vssver.scc
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**/.svn
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**/.svn/**
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**/.git
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**/.git/**
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**/.gitignore
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**/.bzr
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**/.bzr/**
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**/.hg
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**/.hg/**
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**/_MTN
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**/_MTN/**
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**/_darcs
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**/_darcs/**
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**/.DS_Store '''
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DIR = 1
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FILE = 2
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DIR_LINK = 4
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FILE_LINK = 8
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LINKS = DIR_LINK | FILE_LINK
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ALL_NO_LINK = DIR | FILE
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ALL = DIR | FILE | LINKS
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_ANT_RE = re.compile(r'(/\*\*/)|(\*\*/)|(/\*\*)|(\*)|(/)|([^\*/]*)')
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def ant_pattern_to_re(ant_pattern):
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"""Generates a regular expression from the ant pattern.
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Matching convention:
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**/a: match 'a', 'dir/a', 'dir1/dir2/a'
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a/**/b: match 'a/b', 'a/c/b', 'a/d/c/b'
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*.py: match 'script.py' but not 'a/script.py'
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"""
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rex = ['^']
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next_pos = 0
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sep_rex = r'(?:/|%s)' % re.escape(os.path.sep)
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## print 'Converting', ant_pattern
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for match in _ANT_RE.finditer(ant_pattern):
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## print 'Matched', match.group()
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## print match.start(0), next_pos
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if match.start(0) != next_pos:
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raise ValueError("Invalid ant pattern")
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if match.group(1): # /**/
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rex.append(sep_rex + '(?:.*%s)?' % sep_rex)
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elif match.group(2): # **/
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rex.append('(?:.*%s)?' % sep_rex)
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elif match.group(3): # /**
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rex.append(sep_rex + '.*')
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elif match.group(4): # *
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rex.append('[^/%s]*' % re.escape(os.path.sep))
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elif match.group(5): # /
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rex.append(sep_rex)
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else: # somepath
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rex.append(re.escape(match.group(6)))
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next_pos = match.end()
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rex.append('$')
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return re.compile(''.join(rex))
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def _as_list(l):
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if isinstance(l, basestring):
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return l.split()
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return l
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def glob(dir_path,
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includes = '**/*',
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excludes = default_excludes,
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entry_type = FILE,
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prune_dirs = prune_dirs,
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max_depth = 25):
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include_filter = [ant_pattern_to_re(p) for p in _as_list(includes)]
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exclude_filter = [ant_pattern_to_re(p) for p in _as_list(excludes)]
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prune_dirs = [p.replace('/',os.path.sep) for p in _as_list(prune_dirs)]
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dir_path = dir_path.replace('/',os.path.sep)
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entry_type_filter = entry_type
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def is_pruned_dir(dir_name):
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for pattern in prune_dirs:
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if fnmatch.fnmatch(dir_name, pattern):
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return True
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return False
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def apply_filter(full_path, filter_rexs):
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"""Return True if at least one of the filter regular expression match full_path."""
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for rex in filter_rexs:
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if rex.match(full_path):
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return True
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return False
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def glob_impl(root_dir_path):
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child_dirs = [root_dir_path]
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while child_dirs:
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dir_path = child_dirs.pop()
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for entry in listdir(dir_path):
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full_path = os.path.join(dir_path, entry)
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## print 'Testing:', full_path,
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is_dir = os.path.isdir(full_path)
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if is_dir and not is_pruned_dir(entry): # explore child directory ?
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## print '===> marked for recursion',
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child_dirs.append(full_path)
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included = apply_filter(full_path, include_filter)
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rejected = apply_filter(full_path, exclude_filter)
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if not included or rejected: # do not include entry ?
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## print '=> not included or rejected'
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continue
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link = os.path.islink(full_path)
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is_file = os.path.isfile(full_path)
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if not is_file and not is_dir:
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## print '=> unknown entry type'
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continue
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if link:
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entry_type = is_file and FILE_LINK or DIR_LINK
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else:
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entry_type = is_file and FILE or DIR
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## print '=> type: %d' % entry_type,
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if (entry_type & entry_type_filter) != 0:
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## print ' => KEEP'
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yield os.path.join(dir_path, entry)
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## else:
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## print ' => TYPE REJECTED'
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return list(glob_impl(dir_path))
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if __name__ == "__main__":
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import unittest
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class AntPatternToRETest(unittest.TestCase):
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## def test_conversion(self):
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## self.assertEqual('^somepath$', ant_pattern_to_re('somepath').pattern)
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def test_matching(self):
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test_cases = [ ('path',
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['path'],
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['somepath', 'pathsuffix', '/path', '/path']),
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('*.py',
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['source.py', 'source.ext.py', '.py'],
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['path/source.py', '/.py', 'dir.py/z', 'z.pyc', 'z.c']),
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('**/path',
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['path', '/path', '/a/path', 'c:/a/path', '/a/b/path', '//a/path', '/a/path/b/path'],
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['path/', 'a/path/b', 'dir.py/z', 'somepath', 'pathsuffix', 'a/somepath']),
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('path/**',
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['path/a', 'path/path/a', 'path//'],
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['path', 'somepath/a', 'a/path', 'a/path/a', 'pathsuffix/a']),
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('/**/path',
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['/path', '/a/path', '/a/b/path/path', '/path/path'],
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['path', 'path/', 'a/path', '/pathsuffix', '/somepath']),
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('a/b',
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['a/b'],
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['somea/b', 'a/bsuffix', 'a/b/c']),
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('**/*.py',
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['script.py', 'src/script.py', 'a/b/script.py', '/a/b/script.py'],
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['script.pyc', 'script.pyo', 'a.py/b']),
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('src/**/*.py',
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['src/a.py', 'src/dir/a.py'],
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['a/src/a.py', '/src/a.py']),
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]
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for ant_pattern, accepted_matches, rejected_matches in list(test_cases):
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def local_path(paths):
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return [ p.replace('/',os.path.sep) for p in paths ]
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test_cases.append((ant_pattern, local_path(accepted_matches), local_path(rejected_matches)))
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for ant_pattern, accepted_matches, rejected_matches in test_cases:
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rex = ant_pattern_to_re(ant_pattern)
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print('ant_pattern:', ant_pattern, ' => ', rex.pattern)
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for accepted_match in accepted_matches:
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print('Accepted?:', accepted_match)
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self.assertTrue(rex.match(accepted_match) is not None)
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for rejected_match in rejected_matches:
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print('Rejected?:', rejected_match)
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self.assertTrue(rex.match(rejected_match) is None)
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unittest.main()
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