read_all_files.py

def load_all_files(rootdir):
  files_code = []
  for subdir, dirs, files in os.walk(rootdir):
    for file in files:
        if file.endswith('.py'):
            with open(os.path.join(subdir, file)) as pf:
                try:
                    code = pf.read()
                    files_code.append(code)
                except:
                    print('encoding error')
  return files_code