- added svn export

- prepared tool for eol conversion

Author: blep

devtools/antglob.py

@@ -0,0 +1,201 @@
+#!/usr/bin/env python
+# encoding: utf-8
+# Baptiste Lepilleur, 2009
+
+from dircache import listdir
+import re
+import fnmatch
+import os.path
+
+
+# These fnmatch expressions are used by default to prune the directory tree
+# while doing the recursive traversal in the glob_impl method of glob function.
+prune_dirs = '.git .bzr .hg .svn _MTN _darcs CVS SCCS '
+
+# These fnmatch expressions are used by default to exclude files and dirs
+# while doing the recursive traversal in the glob_impl method of glob function.
+##exclude_pats = prune_pats + '*~ #*# .#* %*% ._* .gitignore .cvsignore vssver.scc .DS_Store'.split()
+
+# These ant_glob expressions are used by default to exclude files and dirs and also prune the directory tree
+# while doing the recursive traversal in the glob_impl method of glob function.
+default_excludes = '''
+**/*~
+**/#*#
+**/.#*
+**/%*%
+**/._*
+**/CVS
+**/CVS/**
+**/.cvsignore
+**/SCCS
+**/SCCS/**
+**/vssver.scc
+**/.svn
+**/.svn/**
+**/.git
+**/.git/**
+**/.gitignore
+**/.bzr
+**/.bzr/**
+**/.hg
+**/.hg/**
+**/_MTN
+**/_MTN/**
+**/_darcs
+**/_darcs/**
+**/.DS_Store '''
+
+DIR = 1
+FILE = 2
+DIR_LINK = 4
+FILE_LINK = 8
+LINKS = DIR_LINK | FILE_LINK
+ALL_NO_LINK = DIR | FILE
+ALL = DIR | FILE | LINKS
+
+_ANT_RE = re.compile( r'(/\*\*/)|(\*\*/)|(/\*\*)|(\*)|(/)|([^\*/]*)' )
+
+def ant_pattern_to_re( ant_pattern ):
+    """Generates a regular expression from the ant pattern.
+    Matching convention:
+    **/a: match 'a', 'dir/a', 'dir1/dir2/a'
+    a/**/b: match 'a/b', 'a/c/b', 'a/d/c/b'
+    *.py: match 'script.py' but not 'a/script.py'
+    """
+    rex = ['^']
+    next_pos = 0
+    sep_rex = r'(?:/|%s)' % re.escape( os.path.sep )
+##    print 'Converting', ant_pattern
+    for match in _ANT_RE.finditer( ant_pattern ):
+##        print 'Matched', match.group()
+##        print match.start(0), next_pos
+        if match.start(0) != next_pos:
+            raise ValueError( "Invalid ant pattern" )
+        if match.group(1): # /**/
+            rex.append( sep_rex + '(?:.*%s)?' % sep_rex )
+        elif match.group(2): # **/
+            rex.append( '(?:.*%s)?' % sep_rex )
+        elif match.group(3): # /**
+            rex.append( sep_rex + '.*' )
+        elif match.group(4): # *
+            rex.append( '[^/%s]*' % re.escape(os.path.sep) )
+        elif match.group(5): # /
+            rex.append( sep_rex )
+        else: # somepath
+            rex.append( re.escape(match.group(6)) )
+        next_pos = match.end()
+    rex.append('$')
+    return re.compile( ''.join( rex ) )
+
+def _as_list( l ):
+    if isinstance(l, basestring):
+        return l.split()
+    return l
+
+def glob(dir_path,
+         includes = '**/*',
+         excludes = default_excludes,
+         entry_type = FILE,
+         prune_dirs = prune_dirs,
+         max_depth = 25):
+    include_filter = [ant_pattern_to_re(p) for p in _as_list(includes)]
+    exclude_filter = [ant_pattern_to_re(p) for p in _as_list(excludes)]
+    prune_dirs = [p.replace('/',os.path.sep) for p in _as_list(prune_dirs)]
+    dir_path = dir_path.replace('/',os.path.sep)
+    entry_type_filter = entry_type
+
+    def is_pruned_dir( dir_name ):
+        for pattern in prune_dirs:
+            if fnmatch.fnmatch( dir_name, pattern ):
+                return True
+        return False
+
+    def apply_filter( full_path, filter_rexs ):
+        """Return True if at least one of the filter regular expression match full_path."""
+        for rex in filter_rexs:
+            if rex.match( full_path ):
+                return True
+        return False
+
+    def glob_impl( root_dir_path ):
+        child_dirs = [root_dir_path]
+        while child_dirs:
+            dir_path = child_dirs.pop()
+            for entry in listdir( dir_path ):
+                full_path = os.path.join( dir_path, entry )
+##                print 'Testing:', full_path,
+                is_dir = os.path.isdir( full_path )
+                if is_dir and not is_pruned_dir( entry ): # explore child directory ?
+##                    print '===> marked for recursion',
+                    child_dirs.append( full_path )
+                included = apply_filter( full_path, include_filter )
+                rejected = apply_filter( full_path, exclude_filter )
+                if not included or rejected: # do not include entry ?
+##                    print '=> not included or rejected'
+                    continue
+                link = os.path.islink( full_path )
+                is_file = os.path.isfile( full_path )
+                if not is_file and not is_dir:
+##                    print '=> unknown entry type'
+                    continue
+                if link:
+                    entry_type = is_file and FILE_LINK or DIR_LINK
+                else:
+                    entry_type = is_file and FILE or DIR
+##                print '=> type: %d' % entry_type, 
+                if (entry_type & entry_type_filter) != 0:
+##                    print ' => KEEP'
+                    yield os.path.join( dir_path, entry )
+##                else:
+##                    print ' => TYPE REJECTED'
+    return list( glob_impl( dir_path ) )
+
+
+if __name__ == "__main__":
+    import unittest
+
+    class AntPatternToRETest(unittest.TestCase):
+##        def test_conversion( self ):
+##            self.assertEqual( '^somepath$', ant_pattern_to_re( 'somepath' ).pattern )
+
+        def test_matching( self ):
+            test_cases = [ ( 'path',
+                             ['path'],
+                             ['somepath', 'pathsuffix', '/path', '/path'] ),
+                           ( '*.py',
+                             ['source.py', 'source.ext.py', '.py'],
+                             ['path/source.py', '/.py', 'dir.py/z', 'z.pyc', 'z.c'] ),
+                           ( '**/path',
+                             ['path', '/path', '/a/path', 'c:/a/path', '/a/b/path', '//a/path', '/a/path/b/path'],
+                             ['path/', 'a/path/b', 'dir.py/z', 'somepath', 'pathsuffix', 'a/somepath'] ),
+                           ( 'path/**',
+                             ['path/a', 'path/path/a', 'path//'],
+                             ['path', 'somepath/a', 'a/path', 'a/path/a', 'pathsuffix/a'] ),
+                           ( '/**/path',
+                             ['/path', '/a/path', '/a/b/path/path', '/path/path'],
+                             ['path', 'path/', 'a/path', '/pathsuffix', '/somepath'] ),
+                           ( 'a/b',
+                             ['a/b'],
+                             ['somea/b', 'a/bsuffix', 'a/b/c'] ),
+                           ( '**/*.py',
+                             ['script.py', 'src/script.py', 'a/b/script.py', '/a/b/script.py'],
+                             ['script.pyc', 'script.pyo', 'a.py/b'] ),
+                           ( 'src/**/*.py',
+                             ['src/a.py', 'src/dir/a.py'],
+                             ['a/src/a.py', '/src/a.py'] ),
+                           ]
+            for ant_pattern, accepted_matches, rejected_matches in list(test_cases):
+                def local_path( paths ):
+                    return [ p.replace('/',os.path.sep) for p in paths ]
+                test_cases.append( (ant_pattern, local_path(accepted_matches), local_path( rejected_matches )) )
+            for ant_pattern, accepted_matches, rejected_matches in test_cases:
+                rex = ant_pattern_to_re( ant_pattern )
+                print 'ant_pattern:', ant_pattern, ' => ', rex.pattern
+                for accepted_match in accepted_matches:
+                    print 'Accepted?:', accepted_match
+                    self.assert_( rex.match( accepted_match ) is not None )
+                for rejected_match in rejected_matches:
+                    print 'Rejected?:', rejected_match
+                    self.assert_( rex.match( rejected_match ) is None )
+
+    unittest.main()