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playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
97
_common_cond_list_set
def
function
def _common_cond_list_set( node: nodes.Expr, iter_obj: nodes.NodeNG, infer_val: Union[nodes.List, nodes.Set], ) -> bool: return (infer_val == utils.safe_infer(iter_obj)) and ( node.value.func.expr.name == iter_obj.name ) @staticmethod def _is_node_assigns_subscript_name(node: nodes.NodeNG) -> bool: return isinstance(node, nodes.Assign) and ( isinstance(node.targets[0], nodes.Subscript) and (isinstance(node.targets[0].value, nodes.Name)) ) def _modified_iterating_list_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_expr_that_calls_attribute_name(node): return _False infer_val = utils.safe_infer(node.value.func.expr) if not isinstance(infer_val, nodes.List): return _False return ( self._common_cond_list_set(node, iter_obj, infer_val) and node.value.func.attrname in _LIST_MODIFIER_METHODS ) def _modified_iterating_dict_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_assigns_subscript_name(node): return _False infer_val = utils.safe_infer(node.targets[0].value) if not isinstance(infer_val, nodes.Dict): return _False if infer_val != utils.safe_infer(iter_obj): return _False return node.targets[0].value.name == iter_obj.name def _modified_iterating_set_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_expr_that_calls_attribute_name(node): return _False infer_val = utils.safe_infer(node.value.func.expr) if not isinstance(infer_val, nodes.Set): return _False return ( self._common_cond_list_set(node, iter_obj, infer_val) and node.value.func.attrname in _SET_MODIFIER_METHODS )
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
102
safe_infer
ref
function
return (infer_val == utils.safe_infer(iter_obj)) and (
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
107
_is_node_assigns_subscript_name
def
function
def _is_node_assigns_subscript_name(node: nodes.NodeNG) -> bool: return isinstance(node, nodes.Assign) and ( isinstance(node.targets[0], nodes.Subscript) and (isinstance(node.targets[0].value, nodes.Name)) ) def _modified_iterating_list_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_expr_that_calls_attribute_name(node): return _False infer_val = utils.safe_infer(node.value.func.expr) if not isinstance(infer_val, nodes.List): return _False return ( self._common_cond_list_set(node, iter_obj, infer_val) and node.value.func.attrname in _LIST_MODIFIER_METHODS ) def _modified_iterating_dict_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_assigns_subscript_name(node): return _False infer_val = utils.safe_infer(node.targets[0].value) if not isinstance(infer_val, nodes.Dict): return _False if infer_val != utils.safe_infer(iter_obj): return _False return node.targets[0].value.name == iter_obj.name def _modified_iterating_set_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_expr_that_calls_attribute_name(node): return _False infer_val = utils.safe_infer(node.value.func.expr) if not isinstance(infer_val, nodes.Set): return _False return ( self._common_cond_list_set(node, iter_obj, infer_val) and node.value.func.attrname in _SET_MODIFIER_METHODS )
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
113
_modified_iterating_list_cond
def
function
def _modified_iterating_list_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_expr_that_calls_attribute_name(node): return _False infer_val = utils.safe_infer(node.value.func.expr) if not isinstance(infer_val, nodes.List): return _False return ( self._common_cond_list_set(node, iter_obj, infer_val) and node.value.func.attrname in _LIST_MODIFIER_METHODS ) def _modified_iterating_dict_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_assigns_subscript_name(node): return _False infer_val = utils.safe_infer(node.targets[0].value) if not isinstance(infer_val, nodes.Dict): return _False if infer_val != utils.safe_infer(iter_obj): return _False return node.targets[0].value.name == iter_obj.name def _modified_iterating_set_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_expr_that_calls_attribute_name(node): return _False infer_val = utils.safe_infer(node.value.func.expr) if not isinstance(infer_val, nodes.Set): return _False return ( self._common_cond_list_set(node, iter_obj, infer_val) and node.value.func.attrname in _SET_MODIFIER_METHODS )
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
116
_is_node_expr_that_calls_attribute_name
ref
function
if not self._is_node_expr_that_calls_attribute_name(node):
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
118
safe_infer
ref
function
infer_val = utils.safe_infer(node.value.func.expr)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
122
_common_cond_list_set
ref
function
self._common_cond_list_set(node, iter_obj, infer_val)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
126
_modified_iterating_dict_cond
def
function
def _modified_iterating_dict_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_assigns_subscript_name(node): return _False infer_val = utils.safe_infer(node.targets[0].value) if not isinstance(infer_val, nodes.Dict): return _False if infer_val != utils.safe_infer(iter_obj): return _False return node.targets[0].value.name == iter_obj.name def _modified_iterating_set_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_expr_that_calls_attribute_name(node): return _False infer_val = utils.safe_infer(node.value.func.expr) if not isinstance(infer_val, nodes.Set): return _False return ( self._common_cond_list_set(node, iter_obj, infer_val) and node.value.func.attrname in _SET_MODIFIER_METHODS )
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
129
_is_node_assigns_subscript_name
ref
function
if not self._is_node_assigns_subscript_name(node):
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
131
safe_infer
ref
function
infer_val = utils.safe_infer(node.targets[0].value)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
134
safe_infer
ref
function
if infer_val != utils.safe_infer(iter_obj):
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
138
_modified_iterating_set_cond
def
function
def _modified_iterating_set_cond( self, node: nodes.NodeNG, iter_obj: nodes.NodeNG ) -> bool: if not self._is_node_expr_that_calls_attribute_name(node): return _False infer_val = utils.safe_infer(node.value.func.expr) if not isinstance(infer_val, nodes.Set): return _False return ( self._common_cond_list_set(node, iter_obj, infer_val) and node.value.func.attrname in _SET_MODIFIER_METHODS )
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
141
_is_node_expr_that_calls_attribute_name
ref
function
if not self._is_node_expr_that_calls_attribute_name(node):
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
143
safe_infer
ref
function
infer_val = utils.safe_infer(node.value.func.expr)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
147
_common_cond_list_set
ref
function
self._common_cond_list_set(node, iter_obj, infer_val)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
152
register
def
function
def register(linter: "PyLinter") -> None: linter.register_checker(ModifiedIterationChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
153
register_checker
ref
function
linter.register_checker(ModifiedIterationChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/modified_iterating_checker.py
pylint/checkers/modified_iterating_checker.py
153
ModifiedIterationChecker
ref
function
linter.register_checker(ModifiedIterationChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
45
NewStyleConflictChecker
def
class
visit_functiondef
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
62
check_messages
ref
function
@check_messages("bad-super-call")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
63
visit_functiondef
def
function
def visit_functiondef(self, node: nodes.FunctionDef) -> None: """Check use of super.""" # ignore actual functions or method within a new style class if not node.is_method(): return klass = node.parent.frame(future=_True) for stmt in node.nodes_of_class(nodes.Call): if node_frame_class(stmt) != node_frame_class(node): # Don't look down in other scopes. continue expr = stmt.func if not isinstance(expr, nodes.Attribute): continue call = expr.expr # skip the test if using super if not ( isinstance(call, nodes.Call) and isinstance(call.func, nodes.Name) and call.func.name == "super" ): continue # super should not be used on an old style class if klass.newstyle or not has_known_bases(klass): # super first arg should not be the class if not call.args: continue # calling super(type(self), self) can lead to recursion loop # in derived classes arg0 = call.args[0] if ( isinstance(arg0, nodes.Call) and isinstance(arg0.func, nodes.Name) and arg0.func.name == "type" ): self.add_message("bad-super-call", node=call, args=("type",)) continue # calling super(self.__class__, self) can lead to recursion loop # in derived classes if ( len(call.args) >= 2 and isinstance(call.args[1], nodes.Name) and call.args[1].name == "self" and isinstance(arg0, nodes.Attribute) and arg0.attrname == "__class__" ): self.add_message( "bad-super-call", node=call, args=("self.__class__",) ) continue try: supcls = call.args and next(call.args[0].infer(), None) except astroid.InferenceError: continue if klass is not supcls: name = None # if supcls is not Uninferable, then supcls was inferred # and use its name. Otherwise, try to look # for call.args[0].name if supcls: name = supcls.name elif call.args and hasattr(call.args[0], "name"): name = call.args[0].name if name: self.add_message("bad-super-call", node=call, args=(name,)) visit_asyncfunctiondef = visit_functiondef
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
66
is_method
ref
function
if not node.is_method():
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
68
frame
ref
function
klass = node.parent.frame(future=True)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
69
nodes_of_class
ref
class
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
70
node_frame_class
ref
class
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
70
node_frame_class
ref
class
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
88
has_known_bases
ref
function
if klass.newstyle or not has_known_bases(klass):
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
101
add_message
ref
function
self.add_message("bad-super-call", node=call, args=("type",))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
113
add_message
ref
function
self.add_message(
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
119
infer
ref
function
supcls = call.args and next(call.args[0].infer(), None)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
133
add_message
ref
function
self.add_message("bad-super-call", node=call, args=(name,))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
138
register
def
function
def register(linter: "PyLinter") -> None: linter.register_checker(NewStyleConflictChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
139
register_checker
ref
function
linter.register_checker(NewStyleConflictChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/newstyle.py
pylint/checkers/newstyle.py
139
NewStyleConflictChecker
ref
function
linter.register_checker(NewStyleConflictChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
26
Py37Str
def
class
isascii
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
42
NonAsciiNameChecker
def
class
_check_name visit_module visit_functiondef visit_global visit_assignname visit_classdef _check_module_import visit_import visit_importfrom visit_call
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
89
_check_name
def
function
def _check_name( self, node_type: str, name: Optional[str], node: nodes.NodeNG ) -> None: """Check whether a name is using non-ASCII characters.""" if name is None: # For some nodes i.e. *kwargs from a dict, the name will be empty return if not (Py37Str(name).isascii()): type_label = constants.HUMAN_READABLE_TYPES[node_type] args = (type_label.capitalize(), name) msg = "non-ascii-name" # Some node types have customized messages if node_type == "file": msg = "non-ascii-file-name" elif node_type == "module": msg = "non-ascii-module-import" self.add_message(msg, node=node, args=args, confidence=interfaces.HIGH) @utils.check_messages("non-ascii-name") def visit_module(self, node: nodes.Module) -> None: self._check_name("file", node.name.split(".")[-1], node) @utils.check_messages("non-ascii-name") def visit_functiondef( self, node: Union[nodes.FunctionDef, nodes.AsyncFunctionDef] ) -> None: self._check_name("function", node.name, node) # Check argument names arguments = node.args # Check position only arguments if arguments.posonlyargs: for pos_only_arg in arguments.posonlyargs: self._check_name("argument", pos_only_arg.name, pos_only_arg) # Check "normal" arguments if arguments.args: for arg in arguments.args: self._check_name("argument", arg.name, arg) # Check key word only arguments if arguments.kwonlyargs: for kwarg in arguments.kwonlyargs: self._check_name("argument", kwarg.name, kwarg) visit_asyncfunctiondef = visit_functiondef @utils.check_messages("non-ascii-name") def visit_global(self, node: nodes.Global) -> None: for name in node.names: self._check_name("const", name, node) @utils.check_messages("non-ascii-name") def visit_assignname(self, node: nodes.AssignName) -> None: """Check module level assigned names.""" # The NameChecker from which this Checker originates knows a lot of different # versions of variables, i.e. constants, inline variables etc. # To simplify we use only `variable` here, as we don't need to apply different # rules to different types of variables. frame = node.frame() if isinstance(frame, nodes.FunctionDef): if node.parent in frame.body: # Only perform the check if the assignment was done in within the body # of the function (and not the function parameter definition # (will be handled in visit_functiondef) # or within a decorator (handled in visit_call) self._check_name("variable", node.name, node) elif isinstance(frame, nodes.ClassDef): self._check_name("attr", node.name, node) else: # Possibilities here: # - isinstance(node.assign_type(), nodes.Comprehension) == inlinevar # - isinstance(frame, nodes.Module) == variable (constant?) # - some other kind of assigment missed but still most likely a variable self._check_name("variable", node.name, node) @utils.check_messages("non-ascii-name") def visit_classdef(self, node: nodes.ClassDef) -> None: self._check_name("class", node.name, node) for attr, anodes in node.instance_attrs.items(): if not any(node.instance_attr_ancestors(attr)): self._check_name("attr", attr, anodes[0]) def _check_module_import(self, node: Union[nodes.ImportFrom, nodes.Import]) -> None: for module_name, alias in node.names: name = alias or module_name self._check_name("module", name, node) @utils.check_messages("non-ascii-name") def visit_import(self, node: nodes.Import) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_importfrom(self, node: nodes.ImportFrom) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_call(self, node: nodes.Call) -> None: """Check if the used keyword args are correct.""" for keyword in node.keywords: self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
98
Py37Str
ref
function
if not (Py37Str(name).isascii()):
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
110
add_message
ref
function
self.add_message(msg, node=node, args=args, confidence=interfaces.HIGH)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
112
check_messages
ref
function
@utils.check_messages("non-ascii-name")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
113
visit_module
def
function
def visit_module(self, node: nodes.Module) -> None: self._check_name("file", node.name.split(".")[-1], node) @utils.check_messages("non-ascii-name") def visit_functiondef( self, node: Union[nodes.FunctionDef, nodes.AsyncFunctionDef] ) -> None: self._check_name("function", node.name, node) # Check argument names arguments = node.args # Check position only arguments if arguments.posonlyargs: for pos_only_arg in arguments.posonlyargs: self._check_name("argument", pos_only_arg.name, pos_only_arg) # Check "normal" arguments if arguments.args: for arg in arguments.args: self._check_name("argument", arg.name, arg) # Check key word only arguments if arguments.kwonlyargs: for kwarg in arguments.kwonlyargs: self._check_name("argument", kwarg.name, kwarg) visit_asyncfunctiondef = visit_functiondef @utils.check_messages("non-ascii-name") def visit_global(self, node: nodes.Global) -> None: for name in node.names: self._check_name("const", name, node) @utils.check_messages("non-ascii-name") def visit_assignname(self, node: nodes.AssignName) -> None: """Check module level assigned names.""" # The NameChecker from which this Checker originates knows a lot of different # versions of variables, i.e. constants, inline variables etc. # To simplify we use only `variable` here, as we don't need to apply different # rules to different types of variables. frame = node.frame() if isinstance(frame, nodes.FunctionDef): if node.parent in frame.body: # Only perform the check if the assignment was done in within the body # of the function (and not the function parameter definition # (will be handled in visit_functiondef) # or within a decorator (handled in visit_call) self._check_name("variable", node.name, node) elif isinstance(frame, nodes.ClassDef): self._check_name("attr", node.name, node) else: # Possibilities here: # - isinstance(node.assign_type(), nodes.Comprehension) == inlinevar # - isinstance(frame, nodes.Module) == variable (constant?) # - some other kind of assigment missed but still most likely a variable self._check_name("variable", node.name, node) @utils.check_messages("non-ascii-name") def visit_classdef(self, node: nodes.ClassDef) -> None: self._check_name("class", node.name, node) for attr, anodes in node.instance_attrs.items(): if not any(node.instance_attr_ancestors(attr)): self._check_name("attr", attr, anodes[0]) def _check_module_import(self, node: Union[nodes.ImportFrom, nodes.Import]) -> None: for module_name, alias in node.names: name = alias or module_name self._check_name("module", name, node) @utils.check_messages("non-ascii-name") def visit_import(self, node: nodes.Import) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_importfrom(self, node: nodes.ImportFrom) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_call(self, node: nodes.Call) -> None: """Check if the used keyword args are correct.""" for keyword in node.keywords: self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
114
_check_name
ref
function
self._check_name("file", node.name.split(".")[-1], node)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
116
check_messages
ref
function
@utils.check_messages("non-ascii-name")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
117
visit_functiondef
def
function
def visit_functiondef( self, node: Union[nodes.FunctionDef, nodes.AsyncFunctionDef] ) -> None: self._check_name("function", node.name, node) # Check argument names arguments = node.args # Check position only arguments if arguments.posonlyargs: for pos_only_arg in arguments.posonlyargs: self._check_name("argument", pos_only_arg.name, pos_only_arg) # Check "normal" arguments if arguments.args: for arg in arguments.args: self._check_name("argument", arg.name, arg) # Check key word only arguments if arguments.kwonlyargs: for kwarg in arguments.kwonlyargs: self._check_name("argument", kwarg.name, kwarg) visit_asyncfunctiondef = visit_functiondef @utils.check_messages("non-ascii-name") def visit_global(self, node: nodes.Global) -> None: for name in node.names: self._check_name("const", name, node) @utils.check_messages("non-ascii-name") def visit_assignname(self, node: nodes.AssignName) -> None: """Check module level assigned names.""" # The NameChecker from which this Checker originates knows a lot of different # versions of variables, i.e. constants, inline variables etc. # To simplify we use only `variable` here, as we don't need to apply different # rules to different types of variables. frame = node.frame() if isinstance(frame, nodes.FunctionDef): if node.parent in frame.body: # Only perform the check if the assignment was done in within the body # of the function (and not the function parameter definition # (will be handled in visit_functiondef) # or within a decorator (handled in visit_call) self._check_name("variable", node.name, node) elif isinstance(frame, nodes.ClassDef): self._check_name("attr", node.name, node) else: # Possibilities here: # - isinstance(node.assign_type(), nodes.Comprehension) == inlinevar # - isinstance(frame, nodes.Module) == variable (constant?) # - some other kind of assigment missed but still most likely a variable self._check_name("variable", node.name, node) @utils.check_messages("non-ascii-name") def visit_classdef(self, node: nodes.ClassDef) -> None: self._check_name("class", node.name, node) for attr, anodes in node.instance_attrs.items(): if not any(node.instance_attr_ancestors(attr)): self._check_name("attr", attr, anodes[0]) def _check_module_import(self, node: Union[nodes.ImportFrom, nodes.Import]) -> None: for module_name, alias in node.names: name = alias or module_name self._check_name("module", name, node) @utils.check_messages("non-ascii-name") def visit_import(self, node: nodes.Import) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_importfrom(self, node: nodes.ImportFrom) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_call(self, node: nodes.Call) -> None: """Check if the used keyword args are correct.""" for keyword in node.keywords: self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
120
_check_name
ref
function
self._check_name("function", node.name, node)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
128
_check_name
ref
function
self._check_name("argument", pos_only_arg.name, pos_only_arg)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
133
_check_name
ref
function
self._check_name("argument", arg.name, arg)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
138
_check_name
ref
function
self._check_name("argument", kwarg.name, kwarg)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
142
check_messages
ref
function
@utils.check_messages("non-ascii-name")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
143
visit_global
def
function
def visit_global(self, node: nodes.Global) -> None: for name in node.names: self._check_name("const", name, node) @utils.check_messages("non-ascii-name") def visit_assignname(self, node: nodes.AssignName) -> None: """Check module level assigned names.""" # The NameChecker from which this Checker originates knows a lot of different # versions of variables, i.e. constants, inline variables etc. # To simplify we use only `variable` here, as we don't need to apply different # rules to different types of variables. frame = node.frame() if isinstance(frame, nodes.FunctionDef): if node.parent in frame.body: # Only perform the check if the assignment was done in within the body # of the function (and not the function parameter definition # (will be handled in visit_functiondef) # or within a decorator (handled in visit_call) self._check_name("variable", node.name, node) elif isinstance(frame, nodes.ClassDef): self._check_name("attr", node.name, node) else: # Possibilities here: # - isinstance(node.assign_type(), nodes.Comprehension) == inlinevar # - isinstance(frame, nodes.Module) == variable (constant?) # - some other kind of assigment missed but still most likely a variable self._check_name("variable", node.name, node) @utils.check_messages("non-ascii-name") def visit_classdef(self, node: nodes.ClassDef) -> None: self._check_name("class", node.name, node) for attr, anodes in node.instance_attrs.items(): if not any(node.instance_attr_ancestors(attr)): self._check_name("attr", attr, anodes[0]) def _check_module_import(self, node: Union[nodes.ImportFrom, nodes.Import]) -> None: for module_name, alias in node.names: name = alias or module_name self._check_name("module", name, node) @utils.check_messages("non-ascii-name") def visit_import(self, node: nodes.Import) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_importfrom(self, node: nodes.ImportFrom) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_call(self, node: nodes.Call) -> None: """Check if the used keyword args are correct.""" for keyword in node.keywords: self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
145
_check_name
ref
function
self._check_name("const", name, node)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
147
check_messages
ref
function
@utils.check_messages("non-ascii-name")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
148
visit_assignname
def
function
def visit_assignname(self, node: nodes.AssignName) -> None: """Check module level assigned names.""" # The NameChecker from which this Checker originates knows a lot of different # versions of variables, i.e. constants, inline variables etc. # To simplify we use only `variable` here, as we don't need to apply different # rules to different types of variables. frame = node.frame() if isinstance(frame, nodes.FunctionDef): if node.parent in frame.body: # Only perform the check if the assignment was done in within the body # of the function (and not the function parameter definition # (will be handled in visit_functiondef) # or within a decorator (handled in visit_call) self._check_name("variable", node.name, node) elif isinstance(frame, nodes.ClassDef): self._check_name("attr", node.name, node) else: # Possibilities here: # - isinstance(node.assign_type(), nodes.Comprehension) == inlinevar # - isinstance(frame, nodes.Module) == variable (constant?) # - some other kind of assigment missed but still most likely a variable self._check_name("variable", node.name, node) @utils.check_messages("non-ascii-name") def visit_classdef(self, node: nodes.ClassDef) -> None: self._check_name("class", node.name, node) for attr, anodes in node.instance_attrs.items(): if not any(node.instance_attr_ancestors(attr)): self._check_name("attr", attr, anodes[0]) def _check_module_import(self, node: Union[nodes.ImportFrom, nodes.Import]) -> None: for module_name, alias in node.names: name = alias or module_name self._check_name("module", name, node) @utils.check_messages("non-ascii-name") def visit_import(self, node: nodes.Import) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_importfrom(self, node: nodes.ImportFrom) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_call(self, node: nodes.Call) -> None: """Check if the used keyword args are correct.""" for keyword in node.keywords: self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
154
frame
ref
function
frame = node.frame()
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
162
_check_name
ref
function
self._check_name("variable", node.name, node)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
164
_check_name
ref
function
self._check_name("attr", node.name, node)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
170
_check_name
ref
function
self._check_name("variable", node.name, node)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
172
check_messages
ref
function
@utils.check_messages("non-ascii-name")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
173
visit_classdef
def
class
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
174
_check_name
ref
class
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
176
instance_attr_ancestors
ref
function
if not any(node.instance_attr_ancestors(attr)):
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
177
_check_name
ref
function
self._check_name("attr", attr, anodes[0])
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
179
_check_module_import
def
function
def _check_module_import(self, node: Union[nodes.ImportFrom, nodes.Import]) -> None: for module_name, alias in node.names: name = alias or module_name self._check_name("module", name, node) @utils.check_messages("non-ascii-name") def visit_import(self, node: nodes.Import) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_importfrom(self, node: nodes.ImportFrom) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_call(self, node: nodes.Call) -> None: """Check if the used keyword args are correct.""" for keyword in node.keywords: self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
182
_check_name
ref
function
self._check_name("module", name, node)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
184
check_messages
ref
function
@utils.check_messages("non-ascii-name")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
185
visit_import
def
function
def visit_import(self, node: nodes.Import) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_importfrom(self, node: nodes.ImportFrom) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_call(self, node: nodes.Call) -> None: """Check if the used keyword args are correct.""" for keyword in node.keywords: self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
186
_check_module_import
ref
function
self._check_module_import(node)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
188
check_messages
ref
function
@utils.check_messages("non-ascii-name")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
189
visit_importfrom
def
function
def visit_importfrom(self, node: nodes.ImportFrom) -> None: self._check_module_import(node) @utils.check_messages("non-ascii-name") def visit_call(self, node: nodes.Call) -> None: """Check if the used keyword args are correct.""" for keyword in node.keywords: self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
190
_check_module_import
ref
function
self._check_module_import(node)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
192
check_messages
ref
function
@utils.check_messages("non-ascii-name")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
193
visit_call
def
function
def visit_call(self, node: nodes.Call) -> None: """Check if the used keyword args are correct.""" for keyword in node.keywords: self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
196
_check_name
ref
function
self._check_name("argument", keyword.arg, keyword)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
199
register
def
function
def register(linter: lint.PyLinter) -> None: linter.register_checker(NonAsciiNameChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
200
register_checker
ref
function
linter.register_checker(NonAsciiNameChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/non_ascii_names.py
pylint/checkers/non_ascii_names.py
200
NonAsciiNameChecker
ref
function
linter.register_checker(NonAsciiNameChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
36
report_raw_stats
def
function
def report_raw_stats( sect, stats: LinterStats, old_stats: Optional[LinterStats],
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
50
diff_string
ref
function
diff_str = diff_string(old, total) if old else None
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
58
Table
ref
function
sect.append(Table(children=lines, cols=5, rheaders=1))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
61
RawMetricsChecker
def
class
__init__ open process_tokens
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
86
reset_code_count
ref
function
self.linter.stats.reset_code_count()
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
88
process_tokens
def
function
def process_tokens(self, tokens): """Update stats.""" i = 0 tokens = list(tokens) while i < len(tokens): i, lines_number, line_type = get_type(tokens, i) self.linter.stats.code_type_count["total"] += lines_number self.linter.stats.code_type_count[line_type] += lines_number
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
93
get_type
ref
function
i, lines_number, line_type = get_type(tokens, i)
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
101
get_type
def
function
def get_type(tokens, start_index): """Return the line type : docstring, comment, code, empty.""" i = start_index start = tokens[i][2] pos = start line_type = None while i < len(tokens) and tokens[i][2][0] == start[0]: tok_type = tokens[i][0] pos = tokens[i][3] if line_type is None: if tok_type == tokenize.STRING: line_type = "docstring" elif tok_type == tokenize.COMMENT: line_type = "comment" elif tok_type in JUNK: pass else: line_type = "code" i += 1 if line_type is None: line_type = "empty" elif i < len(tokens) and tokens[i][0] == tokenize.NEWLINE: i += 1 return i, pos[0] - start[0] + 1, line_type
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
127
register
def
function
def register(linter: "PyLinter") -> None: linter.register_checker(RawMetricsChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
128
register_checker
ref
function
linter.register_checker(RawMetricsChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/raw_metrics.py
pylint/checkers/raw_metrics.py
128
RawMetricsChecker
ref
function
linter.register_checker(RawMetricsChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/__init__.py
pylint/checkers/refactoring/__init__.py
60
register
def
function
def register(linter: "PyLinter") -> None: linter.register_checker(RefactoringChecker(linter)) linter.register_checker(NotChecker(linter)) linter.register_checker(RecommendationChecker(linter)) linter.register_checker(ImplicitBooleanessChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/__init__.py
pylint/checkers/refactoring/__init__.py
61
register_checker
ref
function
linter.register_checker(RefactoringChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/__init__.py
pylint/checkers/refactoring/__init__.py
61
RefactoringChecker
ref
function
linter.register_checker(RefactoringChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/__init__.py
pylint/checkers/refactoring/__init__.py
62
register_checker
ref
function
linter.register_checker(NotChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/__init__.py
pylint/checkers/refactoring/__init__.py
62
NotChecker
ref
function
linter.register_checker(NotChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/__init__.py
pylint/checkers/refactoring/__init__.py
63
register_checker
ref
function
linter.register_checker(RecommendationChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/__init__.py
pylint/checkers/refactoring/__init__.py
63
RecommendationChecker
ref
function
linter.register_checker(RecommendationChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/__init__.py
pylint/checkers/refactoring/__init__.py
64
register_checker
ref
function
linter.register_checker(ImplicitBooleanessChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/__init__.py
pylint/checkers/refactoring/__init__.py
64
ImplicitBooleanessChecker
ref
function
linter.register_checker(ImplicitBooleanessChecker(linter))
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/implicit_booleaness_checker.py
pylint/checkers/refactoring/implicit_booleaness_checker.py
11
ImplicitBooleanessChecker
def
class
visit_call instance_has_bool visit_unaryop visit_compare _check_use_implicit_booleaness_not_comparison base_names_of_instance
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/implicit_booleaness_checker.py
pylint/checkers/refactoring/implicit_booleaness_checker.py
77
check_messages
ref
function
@utils.check_messages("use-implicit-booleaness-not-len")
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/implicit_booleaness_checker.py
pylint/checkers/refactoring/implicit_booleaness_checker.py
78
visit_call
def
function
def visit_call(self, node: nodes.Call) -> None: # a len(S) call is used inside a test condition # could be if, while, assert or if expression statement # e.g. `if len(S):` if not utils.is_call_of_name(node, "len"): return # the len() call could also be nested together with other # boolean operations, e.g. `if z or len(x):` parent = node.parent while isinstance(parent, nodes.BoolOp): parent = parent.parent # we're finally out of any nested boolean operations so check if # this len() call is part of a test condition if not utils.is_test_condition(node, parent): return len_arg = node.args[0] generator_or_comprehension = ( nodes.ListComp, nodes.SetComp, nodes.DictComp, nodes.GeneratorExp, ) if isinstance(len_arg, generator_or_comprehension): # The node is a generator or comprehension as in len([x for x in ...]) self.add_message("use-implicit-booleaness-not-len", node=node) return try: instance = next(len_arg.infer()) except astroid.InferenceError: # Probably undefined-variable, abort check return mother_classes = self.base_names_of_instance(instance) affected_by_pep8 = any( t in mother_classes for t in ("str", "tuple", "list", "set") ) if "range" in mother_classes or ( affected_by_pep8 and not self.instance_has_bool(instance) ): self.add_message("use-implicit-booleaness-not-len", node=node) @staticmethod def instance_has_bool(class_def: nodes.ClassDef) -> bool: try: class_def.getattr("__bool__") return _True except astroid.AttributeInferenceError: ... return _False @utils.check_messages("use-implicit-booleaness-not-len") def visit_unaryop(self, node: nodes.UnaryOp) -> None: """`not len(S)` must become `not S` regardless if the parent block is a test condition or something else (boolean expression) e.g. `if not len(S):` """ if ( isinstance(node, nodes.UnaryOp) and node.op == "not" and utils.is_call_of_name(node.operand, "len") ): self.add_message("use-implicit-booleaness-not-len", node=node) @utils.check_messages("use-implicit-booleaness-not-comparison") def visit_compare(self, node: nodes.Compare) -> None: self._check_use_implicit_booleaness_not_comparison(node) def _check_use_implicit_booleaness_not_comparison( self, node: nodes.Compare ) -> None: """Check for left side and right side of the node for empty literals.""" is_left_empty_literal = utils.is_base_container( node.left ) or utils.is_empty_dict_literal(node.left) # Check both left-hand side and right-hand side for literals for operator, comparator in node.ops: is_right_empty_literal = utils.is_base_container( comparator ) or utils.is_empty_dict_literal(comparator) # Using Exclusive OR (XOR) to compare between two side. # If two sides are both literal, it should be different error. if is_right_empty_literal ^ is_left_empty_literal: # set target_node to opposite side of literal target_node = node.left if is_right_empty_literal else comparator literal_node = comparator if is_right_empty_literal else node.left # Infer node to check target_instance = utils.safe_infer(target_node) if target_instance is None: continue mother_classes = self.base_names_of_instance(target_instance) is_base_comprehension_type = any( t in mother_classes for t in ("tuple", "list", "dict", "set") ) # Only time we bypass check is when target_node is not inherited by # collection literals and have its own __bool__ implementation. if not is_base_comprehension_type and self.instance_has_bool( target_instance ): continue # No need to check for operator when visiting compare node if operator in {"==", "!=", ">=", ">", "<=", "<"}: collection_literal = "{}" if isinstance(literal_node, nodes.List): collection_literal = "[]" if isinstance(literal_node, nodes.Tuple): collection_literal = "()" instance_name = "x" if isinstance(target_node, nodes.Call) and target_node.func: instance_name = f"{target_node.func.as_string()}(...)" elif isinstance(target_node, (nodes.Attribute, nodes.Name)): instance_name = target_node.as_string() original_comparison = ( f"{instance_name} {operator} {collection_literal}" ) suggestion = ( f"{instance_name}" if operator == "!=" else f"not {instance_name}" ) self.add_message( "use-implicit-booleaness-not-comparison", args=( original_comparison, suggestion, ), node=node, ) @staticmethod def base_names_of_instance( node: Union[bases.Uninferable, bases.Instance] ) -> List[str]: """Return all names inherited by a class instance or those returned by a function. The inherited names include 'object'. """ if isinstance(node, bases.Instance): return [node.name] + [x.name for x in node.ancestors()] return []
playground/e9b22a58-260b-483f-88d7-7a5fe9f8b1d4/pylint/pylint/checkers/refactoring/implicit_booleaness_checker.py
pylint/checkers/refactoring/implicit_booleaness_checker.py
82
is_call_of_name
ref
function
if not utils.is_call_of_name(node, "len"):