69 lines
2.9 KiB
Python
69 lines
2.9 KiB
Python
from typing import Optional
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import astroid
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from pylint import interfaces, checkers
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try:
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from pylint.checkers.utils import only_required_for_messages
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except ImportError:
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from pylint.checkers.utils import check_messages as only_required_for_messages
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class OdooBaseChecker(checkers.BaseChecker):
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__implements__ = interfaces.IAstroidChecker
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name = 'odoo'
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msgs = {
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'E8504': (
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'The Markup constructor called with a non-constant argument',
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'non-const-markup',
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'',
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)
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}
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@only_required_for_messages('non-const-markup')
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def visit_call(self, node):
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if (isinstance(node.func, astroid.Name) and
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node.func.name == "Markup" and
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not self._is_constant(node.args[0])):
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self.add_message('non-const-markup', node=node, col_offset=len(node.as_string().split('\\n')))
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elif (isinstance(node.func, astroid.Attribute) and
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node.func.attrname == "Markup" and
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not self._is_constant(node.args[0])):
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self.add_message('non-const-markup', node=node, col_offset=len(node.as_string().split('\\n')))
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def _is_constant(self, node: Optional[astroid.node_classes.NodeNG]) -> bool:
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if isinstance(node, astroid.Const) or node is None:
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return True
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elif isinstance(node, astroid.JoinedStr):
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return all(map(self._is_constant, node.values))
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elif isinstance(node, astroid.FormattedValue):
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return self._is_constant(node.value)
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elif isinstance(node, astroid.Name):
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_, assignments = node.lookup(node.name)
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return all(map(self._is_constant, assignments))
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elif isinstance(node, astroid.AssignName):
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return self._is_constant(node.parent)
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elif isinstance(node, astroid.Assign):
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return self._is_constant(node.value)
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elif (isinstance(node, astroid.Call) and
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isinstance(node.func, astroid.Attribute) and
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node.func.attrname in ["format", "join"]):
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return (self._is_constant(node.func.expr) and
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all(map(self._is_constant, node.args)) and
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all(map(self._is_constant, node.keywords)))
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elif isinstance(node, astroid.Keyword):
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return self._is_constant(node.value)
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elif isinstance(node, (astroid.List, astroid.Set, astroid.Tuple)):
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return all(map(self._is_constant, node.elts))
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elif isinstance(node, astroid.Dict):
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return all(map(self._is_constant, node.values))
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elif isinstance(node, astroid.BinOp):
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return self._is_constant(node.left) and self._is_constant(node.right)
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elif isinstance(node, astroid.IfExp):
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return self._is_constant(node.body) and self._is_constant(node.orelse)
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return False
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def register(linter):
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linter.register_checker(OdooBaseChecker(linter))
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