Lib/glob.py

   1 # Module 'glob' -- filename globbing.
   2
   3 import os
   4 import fnmatch
   5 import regex
   6
   7
   8 def glob(pathname):
   9         if not has_magic(pathname):
  10                 if os.path.exists(pathname):
  11                         return [pathname]
  12                 else:
  13                         return []
  14         dirname, basename = os.path.split(pathname)
  15         if has_magic(dirname):
  16                 list = glob(dirname)
  17         else:
  18                 list = [dirname]
  19         if not has_magic(basename):
  20                 result = []
  21                 for dirname in list:
  22                         if basename or os.path.isdir(dirname):
  23                                 name = os.path.join(dirname, basename)
  24                                 if os.path.exists(name):
  25                                         result.append(name)
  26         else:
  27                 result = []
  28                 for dirname in list:
  29                         sublist = glob1(dirname, basename)
  30                         for name in sublist:
  31                                 result.append(os.path.join(dirname, name))
  32         return result
  33
  34 def glob1(dirname, pattern):
  35         if not dirname: dirname = os.curdir
  36         try:
  37                 names = os.listdir(dirname)
  38         except os.error:
  39                 return []
  40         result = []
  41         for name in names:
  42                 if name[0] != '.' or pattern[0] == '.':
  43                         if fnmatch.fnmatch(name, pattern):
  44                                 result.append(name)
  45         return result
  46
  47
  48 magic_check = regex.compile('[*?[]')
  49
  50 def has_magic(s):
  51         return magic_check.search(s) >= 0