def visit_tuple_type(self, t: TupleType) -> Type:
if isinstance(self.s, TupleType) and self.s.length() == t.length():
items = [] # type: List[Type]
for i in range(t.length()):
items.append(self.meet(t.items[i], self.s.items[i]))
# TODO: What if the fallbacks are different?
return TupleType(items, t.fallback)
# meet(Tuple[t1, t2, <...>], Tuple[s, ...]) == Tuple[meet(t1, s), meet(t2, s), <...>].
elif (isinstance(self.s, Instance) and
self.s.type.fullname() == 'builtins.tuple' and self.s.args):
return t.copy_modified(items=[meet_types(it, self.s.args[0]) for it in t.items])
else:
return self.default(self.s)
def visit_tuple_type(self, t: TupleType) -> Type:
if isinstance(self.s, TupleType) and self.s.length() == t.length():
items = [] # type: List[Type]
for i in range(t.length()):
items.append(self.meet(t.items[i], self.s.items[i]))
# TODO: What if the fallbacks are different?
return TupleType(items, t.fallback)
# meet(Tuple[t1, t2, <...>], Tuple[s, ...]) == Tuple[meet(t1, s), meet(t2, s), <...>].
elif (isinstance(self.s, Instance) and
self.s.type.fullname() == 'builtins.tuple' and self.s.args):
return t.copy_modified(items=[meet_types(it, self.s.args[0]) for it in t.items])
else:
return self.default(self.s)
def visit_tuple_type(self, t: TupleType) -> Type:
if isinstance(self.s, TupleType) and self.s.length() == t.length():
items = [] # type: List[Type]
for i in range(t.length()):
items.append(self.meet(t.items[i], self.s.items[i]))
# TODO: What if the fallbacks are different?
return TupleType(items, tuple_fallback(t))
elif isinstance(self.s, Instance):
# meet(Tuple[t1, t2, <...>], Tuple[s, ...]) == Tuple[meet(t1, s), meet(t2, s), <...>].
if self.s.type.fullname() == 'builtins.tuple' and self.s.args:
return t.copy_modified(items=[meet_types(it, self.s.args[0]) for it in t.items])
elif is_proper_subtype(t, self.s):
# A named tuple that inherits from a normal class
return t
return self.default(self.s)
def visit_tuple_type(self, t: TupleType) -> Type:
if isinstance(self.s, TupleType) and self.s.length() == t.length():
items = [] # type: List[Type]
for i in range(t.length()):
items.append(self.meet(t.items[i], self.s.items[i]))
# TODO: What if the fallbacks are different?
return TupleType(items, tuple_fallback(t))
elif isinstance(self.s, Instance):
# meet(Tuple[t1, t2, <...>], Tuple[s, ...]) == Tuple[meet(t1, s), meet(t2, s), <...>].
if self.s.type.fullname() == 'builtins.tuple' and self.s.args:
return t.copy_modified(items=[meet_types(it, self.s.args[0]) for it in t.items])
elif is_proper_subtype(t, self.s):
# A named tuple that inherits from a normal class
return t
return self.default(self.s)
def visit_tuple_type(self, t: TupleType) -> Type:
if isinstance(self.s, TupleType) and self.s.length() == t.length():
items = [] # type: List[Type]
for i in range(t.length()):
items.append(self.meet(t.items[i], self.s.items[i]))
# TODO: What if the fallbacks are different?
return TupleType(items, t.fallback)
# meet(Tuple[t1, t2, <...>], Tuple[s, ...]) == Tuple[meet(t1, s), meet(t2, s), <...>].
elif (isinstance(self.s, Instance) and
self.s.type.fullname() == 'builtins.tuple' and self.s.args):
return t.copy_modified(items=[meet_types(it, self.s.args[0]) for it in t.items])
elif (isinstance(self.s, Instance) and t.fallback.type == self.s.type):
# Uh oh, a broken named tuple type (https://github.com/python/mypy/issues/3016).
# Do something reasonable until that bug is fixed.
return t
else:
return self.default(self.s)
def visit_tuple_type(self, t: TupleType) -> Type:
if isinstance(self.s, TupleType) and self.s.length() == t.length():
items = [] # type: List[Type]
for i in range(t.length()):
items.append(self.meet(t.items[i], self.s.items[i]))
# TODO: What if the fallbacks are different?
return TupleType(items, t.fallback)
# meet(Tuple[t1, t2, <...>], Tuple[s, ...]) == Tuple[meet(t1, s), meet(t2, s), <...>].
elif (isinstance(self.s, Instance) and
self.s.type.fullname() == 'builtins.tuple' and self.s.args):
return t.copy_modified(items=[meet_types(it, self.s.args[0]) for it in t.items])
elif (isinstance(self.s, Instance) and t.fallback.type == self.s.type):
# Uh oh, a broken named tuple type (https://github.com/python/mypy/issues/3016).
# Do something reasonable until that bug is fixed.
return t
else:
return self.default(self.s)
def visit_tuple_type(self, t: TupleType) -> Type:
items = []
for item in t.items:
proper_item = get_proper_type(item)
if isinstance(proper_item, UnpackType):
unpacked_items = self.expand_unpack(proper_item)
if unpacked_items is None:
# TODO: better error, something like tuple of unknown?
return UninhabitedType()
elif isinstance(unpacked_items, Instance):
if len(t.items) == 1:
return unpacked_items
else:
assert False, "Invalid unpack of variable length tuple"
elif isinstance(unpacked_items, AnyType):
return unpacked_items
else:
items.extend(unpacked_items)
else:
items.append(proper_item.accept(self))
return t.copy_modified(items=items)
def visit_tuple_type(self, t: TupleType) -> Type:
return t.copy_modified(items=self.expand_types(t.items))
def visit_tuple_type(self, t: TupleType) -> Type:
return t.copy_modified(items=self.expand_types(t.items))
