mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-11-23 07:28:13 +01:00
75 lines
2.3 KiB
Python
75 lines
2.3 KiB
Python
|
# 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))
|