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use generic bases for session

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David Lord 2024-11-13 08:22:57 -08:00
parent 7b21d43d4c
commit f49dbfd3e4
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1 changed files with 7 additions and 5 deletions
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12
src/flask/sessions.py
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@ -1,5 +1,6 @@
from __future__ import annotations
import collections.abc as c
import hashlib
import typing as t
from collections.abc import MutableMapping
@ -20,8 +21,7 @@ if t.TYPE_CHECKING: # pragma: no cover
from .wrappers import Response
# TODO generic when Python > 3.8
class SessionMixin(MutableMapping): # type: ignore[type-arg]
class SessionMixin(MutableMapping[str, t.Any]):
"""Expands a basic dictionary with session attributes."""
@property
@ -49,8 +49,7 @@ class SessionMixin(MutableMapping): # type: ignore[type-arg]
accessed = True
# TODO generic when Python > 3.8
class SecureCookieSession(CallbackDict, SessionMixin): # type: ignore[type-arg]
class SecureCookieSession(CallbackDict[str, t.Any], SessionMixin):
"""Base class for sessions based on signed cookies.
This session backend will set the :attr:`modified` and
@ -72,7 +71,10 @@ class SecureCookieSession(CallbackDict, SessionMixin): # type: ignore[type-arg]
#: different users.
accessed = False
def __init__(self, initial: t.Any = None) -> None:
def __init__(
self,
initial: c.Mapping[str, t.Any] | c.Iterable[tuple[str, t.Any]] | None = None,
) -> None:
def on_update(self: te.Self) -> None:
self.modified = True
self.accessed = True