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authorpravindalve2023-05-30 04:20:14 +0530
committerGitHub2023-05-30 04:20:14 +0530
commitcbdd7ca21f1f673a3a739065098f7cc6c9c4b881 (patch)
tree595e888c38f00a314e751096b6bf636a544a5efe /venv/Lib/site-packages/pylint/extensions/mccabe.py
parent7740d1ca0c2e6bf34900460b0c58fa4d528577fb (diff)
parent280c6aa89a15331fb76b7014957953dc72af6093 (diff)
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Merge pull request #63 from brenda-br/Fix-35HEADmaster
Restructure Project and Deployment
Diffstat (limited to 'venv/Lib/site-packages/pylint/extensions/mccabe.py')
-rw-r--r--venv/Lib/site-packages/pylint/extensions/mccabe.py196
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diff --git a/venv/Lib/site-packages/pylint/extensions/mccabe.py b/venv/Lib/site-packages/pylint/extensions/mccabe.py
deleted file mode 100644
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--- a/venv/Lib/site-packages/pylint/extensions/mccabe.py
+++ /dev/null
@@ -1,196 +0,0 @@
-# Copyright (c) 2016-2017 Claudiu Popa <pcmanticore@gmail.com>
-# Copyright (c) 2016 Moises Lopez <moylop260@vauxoo.com>
-# Copyright (c) 2017 hippo91 <guillaume.peillex@gmail.com>
-
-# 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
-
-"""Module to add McCabe checker class for pylint. """
-
-from mccabe import PathGraph as Mccabe_PathGraph
-from mccabe import PathGraphingAstVisitor as Mccabe_PathGraphingAstVisitor
-
-from pylint import checkers
-from pylint.checkers.utils import check_messages
-from pylint.interfaces import HIGH, IAstroidChecker
-
-
-class PathGraph(Mccabe_PathGraph):
- def __init__(self, node):
- super(PathGraph, self).__init__(name="", entity="", lineno=1)
- self.root = node
-
-
-class PathGraphingAstVisitor(Mccabe_PathGraphingAstVisitor):
- def __init__(self):
- super(PathGraphingAstVisitor, self).__init__()
- self._bottom_counter = 0
-
- def default(self, node, *args):
- for child in node.get_children():
- self.dispatch(child, *args)
-
- def dispatch(self, node, *args):
- self.node = node
- klass = node.__class__
- meth = self._cache.get(klass)
- if meth is None:
- class_name = klass.__name__
- meth = getattr(self.visitor, "visit" + class_name, self.default)
- self._cache[klass] = meth
- return meth(node, *args)
-
- def visitFunctionDef(self, node):
- if self.graph is not None:
- # closure
- pathnode = self._append_node(node)
- self.tail = pathnode
- self.dispatch_list(node.body)
- bottom = "%s" % self._bottom_counter
- self._bottom_counter += 1
- self.graph.connect(self.tail, bottom)
- self.graph.connect(node, bottom)
- self.tail = bottom
- else:
- self.graph = PathGraph(node)
- self.tail = node
- self.dispatch_list(node.body)
- self.graphs["%s%s" % (self.classname, node.name)] = self.graph
- self.reset()
-
- visitAsyncFunctionDef = visitFunctionDef
-
- def visitSimpleStatement(self, node):
- self._append_node(node)
-
- visitAssert = (
- visitAssign
- ) = (
- visitAugAssign
- ) = (
- visitDelete
- ) = (
- visitPrint
- ) = (
- visitRaise
- ) = (
- visitYield
- ) = (
- visitImport
- ) = (
- visitCall
- ) = (
- visitSubscript
- ) = (
- visitPass
- ) = (
- visitContinue
- ) = (
- visitBreak
- ) = visitGlobal = visitReturn = visitExpr = visitAwait = visitSimpleStatement
-
- def visitWith(self, node):
- self._append_node(node)
- self.dispatch_list(node.body)
-
- visitAsyncWith = visitWith
-
- def _append_node(self, node):
- if not self.tail:
- return None
- self.graph.connect(self.tail, node)
- self.tail = node
- return node
-
- def _subgraph(self, node, name, extra_blocks=()):
- """create the subgraphs representing any `if` and `for` statements"""
- if self.graph is None:
- # global loop
- self.graph = PathGraph(node)
- self._subgraph_parse(node, node, extra_blocks)
- self.graphs["%s%s" % (self.classname, name)] = self.graph
- self.reset()
- else:
- self._append_node(node)
- self._subgraph_parse(node, node, extra_blocks)
-
- def _subgraph_parse(self, node, pathnode, extra_blocks):
- """parse the body and any `else` block of `if` and `for` statements"""
- loose_ends = []
- self.tail = node
- self.dispatch_list(node.body)
- loose_ends.append(self.tail)
- for extra in extra_blocks:
- self.tail = node
- self.dispatch_list(extra.body)
- loose_ends.append(self.tail)
- if node.orelse:
- self.tail = node
- self.dispatch_list(node.orelse)
- loose_ends.append(self.tail)
- else:
- loose_ends.append(node)
- if node:
- bottom = "%s" % self._bottom_counter
- self._bottom_counter += 1
- for end in loose_ends:
- self.graph.connect(end, bottom)
- self.tail = bottom
-
-
-class McCabeMethodChecker(checkers.BaseChecker):
- """Checks McCabe complexity cyclomatic threshold in methods and functions
- to validate a too complex code.
- """
-
- __implements__ = IAstroidChecker
- name = "design"
-
- msgs = {
- "R1260": (
- "%s is too complex. The McCabe rating is %d",
- "too-complex",
- "Used when a method or function is too complex based on "
- "McCabe Complexity Cyclomatic",
- )
- }
- options = (
- (
- "max-complexity",
- {
- "default": 10,
- "type": "int",
- "metavar": "<int>",
- "help": "McCabe complexity cyclomatic threshold",
- },
- ),
- )
-
- @check_messages("too-complex")
- def visit_module(self, node):
- """visit an astroid.Module node to check too complex rating and
- add message if is greather than max_complexity stored from options"""
- visitor = PathGraphingAstVisitor()
- for child in node.body:
- visitor.preorder(child, visitor)
- for graph in visitor.graphs.values():
- complexity = graph.complexity()
- node = graph.root
- if hasattr(node, "name"):
- node_name = "'%s'" % node.name
- else:
- node_name = "This '%s'" % node.__class__.__name__.lower()
- if complexity <= self.config.max_complexity:
- continue
- self.add_message(
- "too-complex", node=node, confidence=HIGH, args=(node_name, complexity)
- )
-
-
-def register(linter):
- """Required method to auto register this checker.
-
- :param linter: Main interface object for Pylint plugins
- :type linter: Pylint object
- """
- linter.register_checker(McCabeMethodChecker(linter))