Merge pull request #3 from jonreid/master

Added parameter to exclude module names by regex

objc_dep.py

@@ -22,43 +22,53 @@
 from sets import Set
 import re
 from os.path import basename
+import argparse
 
 regex_import = re.compile("^#(import|include) \"(?P<filename>\S*)\.h")
 
-def gen_filenames_imported_in_file(path):
+def gen_filenames_imported_in_file(path, regex_exclude):
  for line in open(path):
  results = re.search(regex_import, line)
  if results:
  filename = results.group('filename')
+ if regex_exclude is not None and regex_exclude.search(filename):
+ continue
  yield filename
 
-def dependencies_in_project(path, ext):
+def dependencies_in_project(path, ext, exclude):
  d = {}
 
+ regex_exclude = None
+ if exclude:
+ regex_exclude = re.compile(exclude)
+
  for root, dirs, files in os.walk(path):
 
  objc_files = (f for f in files if f.endswith(ext))
 
  for f in objc_files:
  filename = os.path.splitext(f)[0]
+
+ if regex_exclude is not None and regex_exclude.search(filename):
+ continue
 
  if filename not in d:
  d[filename] = Set()
 
  path = os.path.join(root, f)
 
- for imported_filename in gen_filenames_imported_in_file(path):
+ for imported_filename in gen_filenames_imported_in_file(path, regex_exclude):
  if imported_filename != filename and '+' not in imported_filename:
  d[filename].add(imported_filename)
 
  return d
 
-def dependencies_in_project_with_file_extensions(path, exts):
+def dependencies_in_project_with_file_extensions(path, exts, exclude):
 
  d = {}
 
  for ext in exts:
- d2 = dependencies_in_project(path, ext)
+ d2 = dependencies_in_project(path, ext, exclude)
  for (k, v) in d2.iteritems():
  if not k in d:
  d[k] = Set()
@@ -124,15 +134,15 @@ def print_frequencies_chart(d):
  s = "%2d | %s\n" % (i, ", ".join(sorted(list(l[i]))))
  sys.stderr.write(s)
 
-def dependencies_in_dot_format(path):
+def dependencies_in_dot_format(path, exclude):
 
- d = dependencies_in_project_with_file_extensions(path, ['.h', '.hpp', '.m', '.mm', '.c', '.cc', '.cpp'])
+ d = dependencies_in_project_with_file_extensions(path, ['.h', '.hpp', '.m', '.mm', '.c', '.cc', '.cpp'], exclude)
 
  two_ways_set = two_ways_dependencies(d)
 
  category_list, d = category_files(d)
 
- pch_set = dependencies_in_project(path, '.pch')
+ pch_set = dependencies_in_project(path, '.pch', exclude)
 
  #
 
@@ -185,11 +195,12 @@ def dependencies_in_dot_format(path):
  return '\n'.join(l)
 
 def main():
- if len(sys.argv) != 2 or not os.path.exists(sys.argv[1]):
- print "USAGE: $ python %s PROJECT_PATH" % sys.argv[0]
- exit(0)
+ parser = argparse.ArgumentParser()
+ parser.add_argument("project_path", help="path to folder hierarchy containing Objective-C files")
+ parser.add_argument("-x", "--exclude", help="regular expression of substrings to exclude from module names")
+ args= parser.parse_args()
 
- print dependencies_in_dot_format(sys.argv[1])
+ print dependencies_in_dot_format(args.project_path, args.exclude)
 
 if __name__=='__main__':
  main()