old_contents: """ Processing of docstrings, which means parsing for types. """
  
  import re
  
  import evaluate
  import parsing
  
  
  #@cache.memoize_default()  # TODO add
  def follow_param(param):
      func = param.parent_function
      #print func, param, param.parent_function
      param_str = search_param_in_docstr(func.docstr, str(param.get_name()))
  
      if param_str is not None:
          p = parsing.PyFuzzyParser(param_str, None, (1, 0), no_docstr=True)
          p.user_stmt.parent = func
          return evaluate.follow_statement(p.user_stmt)
      return []
  
  
  def search_param_in_docstr(docstr, param_str):
      lines = docstr.split('\n')
  
      # look at #40 to see definitions of those params
      sphinx_comp = ':type %s:' % param_str
      googley_comp = re.compile('\s*%s\s+\(([^()]+)\)' % re.escape(param_str))
      for l in lines:
          if l.startswith(sphinx_comp):
              return l.replace(sphinx_comp, '', 1).strip()
  
          r = re.match(googley_comp, l)
          if r is not None:
              return r.group(1)
      return None
  
new_contents: """ Processing of docstrings, which means parsing for types. """
  
  import re
  
  import evaluate
  import parsing
  
  DOCSTRING_PARAM_PATTERNS = [
      r'\s*:type\s+%s:\s*([\d\w_]+)', # Sphinx
      r'\s*@type\s+%s:\s*([\d\w_]+)', # Epidoc
      r'\s*%s\s+\(([^()]+)\)'         # googley
  ]
  
  #@cache.memoize_default()  # TODO add
  def follow_param(param):
      func = param.parent_function
      #print func, param, param.parent_function
      param_str = search_param_in_docstr(func.docstr, str(param.get_name()))
  
      if param_str is not None:
          p = parsing.PyFuzzyParser(param_str, None, (1, 0), no_docstr=True)
          p.user_stmt.parent = func
          return evaluate.follow_statement(p.user_stmt)
      return []
  
  
  def search_param_in_docstr(docstr, param_str):
      lines = docstr.split('\n')
      # look at #40 to see definitions of those params
      patterns = [ re.compile(p % re.escape(param_str)) for p in DOCSTRING_PARAM_PATTERNS ]
      for l in lines:
          for pattern in patterns:
              match = pattern.match(l)
              if match:
                  return match.group(1)
  
      return None
  
subject: Support for Epydoc format in docstrings