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from logilab import astng
from pylint.interfaces import IASTNGChecker
from pylint.checkers import BaseChecker
class MyASTNGChecker(BaseChecker):
"""add member attributes defined using my own "properties" function
to the class locals dictionary
"""
__implements__ = IASTNGChecker
name = 'custom'
msgs = {}
options = ()
# this is important so that your checker is executed before others
priority = -1
def visit_callfunc(self, node):
"""called when a CallFunc node is encountered. See compiler.ast
documentation for a description of available nodes:
http://www.python.org/doc/current/lib/module-compiler.ast.html
)
"""
if not (isinstance(node.node, astng.Getattr)
and isinstance(node.node.expr, astng.Name)
and node.node.expr.name == 'properties'
and node.node.attrname == 'create'):
return
in_class = node.frame()
for param in node.args:
in_class.locals[param.name] = node
def register(linter):
"""required method to auto register this checker"""
linter.register_checker(MyASTNGChecker(linter))
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