code: def process_python(self, path):
          
          (pylint_stdout, pylint_stderr) = epylint.py_run(
              ' '.join([str(path)] + self.pylint_opts), return_std=True)
          emap = {}
          print(pylint_stderr.read())
          for line in pylint_stdout:
              sys.stderr.write(line)
              key = line.split(':')[-1].split('(')[0].strip()
              if key not in self.pylint_cats:
                  continue
              if key not in emap:
                  emap[key] = 1
              else:
                  emap[key] += 1
          sys.stderr.write('\n')
          self.python_map[str(path)] = emap
docs: Process a python file.