def arguments_assigned_stmts(
self: nodes.Arguments,
node: node_classes.AssignedStmtsPossibleNode = None,
context: InferenceContext | None = None,
assign_path: list[int] | None = None,
) -> Any:
try:
node_name = node.name # type: ignore[union-attr]
except AttributeError:
# Added to handle edge cases where node.name is not defined.
# https://github.com/PyCQA/astroid/pull/1644#discussion_r901545816
node_name = None # pragma: no cover
if context and context.callcontext:
callee = context.callcontext.callee
while hasattr(callee, "_proxied"):
callee = callee._proxied
else:
return _arguments_infer_argname(self, node_name, context)
if node and getattr(callee, "name", None) == node.frame(future=True).name:
# reset call context/name
callcontext = context.callcontext
context = copy_context(context)
context.callcontext = None
args = arguments.CallSite(callcontext, context=context)
return args.infer_argument(self.parent, node_name, context)
return _arguments_infer_argname(self, node_name, context)
def arguments_assigned_stmts(self, node=None, context=None, asspath=None):
if context.callcontext:
# reset call context/name
callcontext = context.callcontext
context = contextmod.copy_context(context)
context.callcontext = None
args = arguments.CallSite(callcontext)
return args.infer_argument(self.parent, node.name, context)
return _arguments_infer_argname(self, node.name, context)
def _arguments_infer_argname(self, name, context):
# arguments information may be missing, in which case we can't do anything
# more
if not (self.arguments or self.vararg or self.kwarg):
yield util.Uninferable
return
functype = self.parent.type
# first argument of instance/class method
if (
self.arguments
and getattr(self.arguments[0], "name", None) == name
and functype != "staticmethod"
):
cls = self.parent.parent.scope()
is_metaclass = isinstance(cls, nodes.ClassDef) and cls.type == "metaclass"
# If this is a metaclass, then the first argument will always
# be the class, not an instance.
if context.boundnode and isinstance(context.boundnode, bases.Instance):
cls = context.boundnode._proxied
if is_metaclass or functype == "classmethod":
yield cls
return
if functype == "method":
yield cls.instantiate_class()
return
if context and context.callcontext:
callee = context.callcontext.callee
while hasattr(callee, "_proxied"):
callee = callee._proxied
if getattr(callee, "name", None) == self.parent.name:
call_site = arguments.CallSite(context.callcontext, context.extra_context)
yield from call_site.infer_argument(self.parent, name, context)
return
if name == self.vararg:
vararg = nodes.const_factory(())
vararg.parent = self
if not self.arguments and self.parent.name == "__init__":
cls = self.parent.parent.scope()
vararg.elts = [cls.instantiate_class()]
yield vararg
return
if name == self.kwarg:
kwarg = nodes.const_factory({})
kwarg.parent = self
yield kwarg
return
# if there is a default value, yield it. And then yield Uninferable to reflect
# we can't guess given argument value
try:
context = copy_context(context)
yield from self.default_value(name).infer(context)
yield util.Uninferable
except NoDefault:
yield util.Uninferable
def arguments_query_assigned_stmts(self, node=None, context=None, assign_path=None):
if context.callcontext:
# reset call context/name
callcontext = context.callcontext
context = contextmod.copy_context(context)
context.callcontext = None
args = arguments.CallSite(callcontext, context=context)
return args.query_argument(self.parent, node.name, context)
# no call context means that we get to the end point
# print("end point here!!")
node.query_end = True
return [node]
def arguments_assigned_stmts(self, node=None, context=None, assign_path=None):
if context.callcontext:
callee = context.callcontext.callee
while hasattr(callee, "_proxied"):
callee = callee._proxied
else:
callee = None
if (context.callcontext and node
and getattr(callee, "name", None) == node.frame().name):
# reset call context/name
callcontext = context.callcontext
context = copy_context(context)
context.callcontext = None
args = arguments.CallSite(callcontext, context=context)
return args.infer_argument(self.parent, node.name, context)
return _arguments_infer_argname(self, node.name, context)
def _arguments_infer_argname(self, name, context):
# arguments information may be missing, in which case we can't do anything
# more
if not (self.args or self.vararg or self.kwarg):
yield util.Uninferable
return
# first argument of instance/class method
if self.args and getattr(self.args[0], 'name', None) == name:
functype = self.parent.type
cls = self.parent.parent.scope()
is_metaclass = isinstance(cls,
nodes.ClassDef) and cls.type == 'metaclass'
# If this is a metaclass, then the first argument will always
# be the class, not an instance.
if is_metaclass or functype == 'classmethod':
yield cls
return
if functype == 'method':
yield bases.Instance(self.parent.parent.frame())
return
if context and context.callcontext:
call_site = arguments.CallSite(context.callcontext)
for value in call_site.infer_argument(self.parent, name, context):
yield value
return
# TODO: just provide the type here, no need to have an empty Dict.
if name == self.vararg:
vararg = nodes.const_factory(())
vararg.parent = self
yield vararg
return
if name == self.kwarg:
kwarg = nodes.const_factory({})
kwarg.parent = self
yield kwarg
return
# if there is a default value, yield it. And then yield Uninferable to reflect
# we can't guess given argument value
try:
context = contextmod.copy_context(context)
for inferred in self.default_value(name).infer(context):
yield inferred
yield util.Uninferable
except exceptions.NoDefault:
yield util.Uninferable
def arguments_assigned_stmts(
self: nodes.Arguments,
node: node_classes.AssignedStmtsPossibleNode = None,
context: Optional[InferenceContext] = None,
assign_path: Optional[List[int]] = None,
) -> Any:
if context.callcontext:
callee = context.callcontext.callee
while hasattr(callee, "_proxied"):
callee = callee._proxied
else:
callee = None
if (context.callcontext and node
and getattr(callee, "name", None) == node.frame(future=True).name):
# reset call context/name
callcontext = context.callcontext
context = copy_context(context)
context.callcontext = None
args = arguments.CallSite(callcontext, context=context)
return args.infer_argument(self.parent, node.name, context)
return _arguments_infer_argname(self, node.name, context)