text: # Copyright (c) 2019-2020 Claudiu Popa <pcmanticore@gmail.com>
  # Copyright (c) 2019-2020 Tyler Thieding <tyler@thieding.com>
  # Copyright (c) 2020 Anthony Sottile <asottile@umich.edu>
  
  # Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
  # For details: https://github.com/PyCQA/pylint/blob/master/COPYING
  
  """Looks for try/except statements with too much code in the try clause."""
  
  from astroid.node_classes import For, If, While, With
  
  from pylint import checkers, interfaces
  
  
  class BroadTryClauseChecker(checkers.BaseChecker):
      """Checks for try clauses with too many lines.
  
      According to PEP 8, ``try`` clauses shall contain the absolute minimum
      amount of code. This checker enforces a maximum number of statements within
      ``try`` clauses.
  
      """
  
      __implements__ = interfaces.IAstroidChecker
  
      # configuration section name
      name = "broad_try_clause"
      msgs = {
          "W0717": (
              "%s",
              "too-many-try-statements",
              "Try clause contains too many statements.",
          )
      }
  
      priority = -2
      options = (
          (
              "max-try-statements",
              {
                  "default": 1,
                  "type": "int",
                  "metavar": "<int>",
                  "help": "Maximum number of statements allowed in a try clause",
              },
          ),
      )
  
      def _count_statements(self, try_node):
          statement_count = len(try_node.body)
  
          for body_node in try_node.body:
              if isinstance(body_node, (For, If, While, With)):
                  statement_count += self._count_statements(body_node)
  
          return statement_count
  
      def visit_tryexcept(self, node):
          try_clause_statements = self._count_statements(node)
          if try_clause_statements > self.config.max_try_statements:
              msg = "try clause contains {} statements, expected at most {}".format(
                  try_clause_statements, self.config.max_try_statements
              )
              self.add_message(
                  "too-many-try-statements", node.lineno, node=node, args=msg
              )
  
      def visit_tryfinally(self, node):
          self.visit_tryexcept(node)
  
  
  def register(linter):
      """Required method to auto register this checker."""
      linter.register_checker(BroadTryClauseChecker(linter))
  