8000 Add plugin to infer more precise regex match types by Michael0x2a · Pull Request #7803 · python/mypy · GitHub
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Add plugin to infer more precise regex match types #7803

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Add plugin to infer more precise regex match types #7803

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54dfad8
Add plugin to infer more precise regex match types
Michael0x2a Aug 24, 2019
9a7097f
Fix compatibility issues with other Python versions
Michael0x2a Oct 27, 2019
03bd647
Merge branch 'master' into add-regex-plugin
97littleleaf11 Jan 5, 2022
45168cd
Fix
97littleleaf11 Jan 5, 2022
9d468df
Fix
97littleleaf11 Jan 5, 2022
ced8cda
Fix calling on a property
97littleleaf11 Jan 5, 2022
f54eff2
Fix type check
97littleleaf11 Jan 5, 2022
3b38dc9
Fix test
97littleleaf11 Jan 5, 2022
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@97littleleaf11
97littleleaf11 committed Jan 5, 2022
commit 45168cd7fa4118b0c25efd30844f3be8d081bf84
2 changes: 1 addition & 1 deletion mypy/checker.py
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Expand Up @@ -4988,7 +4988,7 @@ def named_generic_type(self, name: str, args: List[Type]) -> Instance:
the name refers to a compatible generic type.
"""
info = self.lookup_typeinfo(name)
args = [remove_instance_last_known_values(arg) for arg in args]
args = [remove_instance_transient_info(arg) for arg in args]
# TODO: assert len(args) == len(info.defn.type_vars)
return Instance(info, args)

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4 changes: 2 additions & 2 deletions mypy/checkexpr.py
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Expand Up @@ -41,7 +41,7 @@
import mypy.checker
from mypy import types
from mypy.sametypes import is_same_type
from mypy.erasetype import replace_meta_vars, erase_type, remove_instance_last_known_values
from mypy.erasetype import replace_meta_vars, erase_type, remove_instance_transient_info
from mypy.maptype import map_instance_to_supertype
from mypy.messages import MessageBuilder
from mypy import message_registry
Expand Down Expand Up @@ -3334,7 +3334,7 @@ def check_lst_expr(self, items: List[Expression], fullname: str,
[(nodes.ARG_STAR if isinstance(i, StarExpr) else nodes.ARG_POS)
for i in items],
context)[0]
return remove_instance_last_known_values(out)
return remove_instance_transient_info(out)

def visit_tuple_expr(self, e: TupleExpr) -> Type:
"""Type check a tuple expression."""
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2 changes: 0 additions & 2 deletions mypy/typeops.py
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Expand Up @@ -10,8 +10,6 @@
import itertools
import sys

import sys

from mypy.types import (
TupleType, Instance, FunctionLike, Type, CallableType, TypeVarLikeType, Overloaded,
TypeVarType, UninhabitedType, FormalArgument, UnionType, NoneType,
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2 changes: 1 addition & 1 deletion mypy/types.py
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Expand Up @@ -958,7 +958,7 @@ def __init__(self, typ: mypy.nodes.TypeInfo, args: Sequence[Type],
# this instance, if one is known.
#
# This field is set whenever possible within expressions, but is erased upon
# variable assignment (see erasetype.remove_instance_last_known_values) unless
# variable assignment (see erasetype.remove_instance_transient_info) unless
# the variable is declared to be final.
#
# For example, consider the following program:
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