10000 Fix type argument inference for overloaded functions with explicit self types (Fixes #14943). by tyralla · Pull Request #14975 · python/mypy · GitHub
[go: up one dir, main page]
Skip to content

Fix type argument inference for overloaded functions with explicit self types (Fixes #14943). #14975

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 10 commits into from
Closed

Fix type argument inference for overloaded functions with explicit self types (Fixes #14943). #14975

Changes from 1 commit
Commits
Show all changes
10 commits
Select commit Hold shift + click to select a range
4b1fe1c
Fix type argument inference for overloaded functions with explicit se…
tyralla Mar 29, 2023
f354153
revert first attempt
tyralla Apr 10, 2023
589e0c6
try filtering in `bind_self` instead
tyralla Apr 10, 2023
9c107b3
black
tyralla Apr 10, 2023
b143796
flake
tyralla Apr 10, 2023
6b1573f
Simplify `checker.TypeChecker.bind_and_map_method` and remove "xfail"…
tyralla Apr 14, 2023
f1414f2
Add `testSelfTypeOverrideCompatibilitySelfTypeVar` (not my work: take…
tyralla Apr 14, 2023
6e5476a
ignore_type_vars=False for testing
tyralla Apr 15, 2023
3097ac2
Also filter externally defined self types (preliminary approach)
tyralla Apr 15, 2023
33a1f96
reverse ignore_type_vars=False
tyralla Apr 15, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
revert first attempt
  • Loading branch information
@tyralla
tyralla committed Apr 10, 2023
commit f3541539f07baa0a597e2a0baf960a54ee2c2ac3
11 changes: 3 additions & 8 deletions mypy/constraints.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@
from mypy.argmap import ArgTypeExpander
from mypy.erasetype import erase_typevars
from mypy.maptype import map_instance_to_supertype
from mypy.nodes import ARG_OPT, ARG_POS, CONTRAVARIANT, COVARIANT, ArgKind, FuncDef
from mypy.nodes import ARG_OPT, ARG_POS, CONTRAVARIANT, COVARIANT, ArgKind
from mypy.types import (
TUPLE_LIKE_INSTANCE_NAMES,
AnyType,
Expand Down Expand Up @@ -1138,13 +1138,8 @@ def find_matching_overload_item(overloaded: Overloaded, template: CallableType)
item, template, is_compat=mypy.subtypes.is_subtype, ignore_return=True
):
return item
# Try to return the first item with the correct self type (fixes issue 14943).
for item in items:
if isinstance(item.definition, FuncDef) and isinstance(item.definition.type, CallableType):
if item.bound_args and item.definition.type.arg_types:
if item.bound_args[0] == item.definition.type.arg_types[0]:
return item
# Give up and just return the first of all items.
# Fall back to the first item if we can't find a match. This is totally arbitrary --
# maybe we should just bail out at this point.
return items[0]


Expand Down
0