def glob()

in src/com/facebook/buck/parser/buck.py [0:0]

• 33 lines of code
• 11 McCabe index (conditional complexity)

def glob(includes, excludes=[], build_env=None):
  search_base = build_env['BUILD_FILE_DIRECTORY']

  # Ensure the user passes lists of strings rather than just a string.
  assert not isinstance(includes, basestring), \
      "The first argument to glob() must be a list of strings."
  assert not isinstance(excludes, basestring), \
      "The excludes argument must be a list of strings."

  inclusions = [pattern_to_regex(p) for p in includes]
  exclusions = [pattern_to_regex(p) for p in excludes]

  def passes_glob_filter(path):
    for exclusion in exclusions:
      if exclusion.match(path):
        return False
    for inclusion in inclusions:
      if inclusion.match(path):
        return True
    return False

  # Return the filtered set of includes as an array.
  paths = []

  def check_path(path):
    if passes_glob_filter(path):
      paths.append(path)

  for root, dirs, files in symlink_aware_walk(search_base):
    if len(files) == 0:
      continue
    relative_root = relpath(root, search_base)
    # The regexes generated by glob_pattern_to_regex_string don't
    # expect a leading './'
    if relative_root == '.':
      for file_path in files:
        check_path(file_path)
    else:
      relative_root += '/'
      for file_path in files:
        relative_path = relative_root + file_path
        check_path(relative_path)

  return paths