108 lines
3.1 KiB
Python
108 lines
3.1 KiB
Python
|
import typing as t
|
||
|
|
from contextvars import ContextVar
|
||
|
|
|
||
|
|
from werkzeug.local import LocalProxy
|
||
|
|
|
||
|
|
if t.TYPE_CHECKING: # pragma: no cover
|
||
|
|
from .app import Flask
|
||
|
|
from .ctx import _AppCtxGlobals
|
||
|
|
from .ctx import AppContext
|
||
|
|
from .ctx import RequestContext
|
||
|
|
from .sessions import SessionMixin
|
||
|
|
from .wrappers import Request
|
||
|
|
|
||
|
|
|
||
|
|
class _FakeStack:
|
||
|
|
def __init__(self, name: str, cv: ContextVar[t.Any]) -> None:
|
||
|
|
self.name = name
|
||
|
|
self.cv = cv
|
||
|
|
|
||
|
|
def _warn(self):
|
||
|
|
import warnings
|
||
|
|
|
||
|
|
warnings.warn(
|
||
|
|
f"'_{self.name}_ctx_stack' is deprecated and will be"
|
||
|
|
" removed in Flask 2.3. Use 'g' to store data, or"
|
||
|
|
f" '{self.name}_ctx' to access the current context.",
|
||
|
|
DeprecationWarning,
|
||
|
|
stacklevel=3,
|
||
|
|
)
|
||
|
|
|
||
|
|
def push(self, obj: t.Any) -> None:
|
||
|
|
self._warn()
|
||
|
|
self.cv.set(obj)
|
||
|
|
|
||
|
|
def pop(self) -> t.Any:
|
||
|
|
self._warn()
|
||
|
|
ctx = self.cv.get(None)
|
||
|
|
self.cv.set(None)
|
||
|
|
return ctx
|
||
|
|
|
||
|
|
@property
|
||
|
|
def top(self) -> t.Optional[t.Any]:
|
||
|
|
self._warn()
|
||
|
|
return self.cv.get(None)
|
||
|
|
|
||
|
|
|
||
|
|
_no_app_msg = """\
|
||
|
|
Working outside of application context.
|
||
|
|
|
||
|
|
This typically means that you attempted to use functionality that needed
|
||
|
|
the current application. To solve this, set up an application context
|
||
|
|
with app.app_context(). See the documentation for more information.\
|
||
|
|
"""
|
||
|
|
_cv_app: ContextVar["AppContext"] = ContextVar("flask.app_ctx")
|
||
|
|
__app_ctx_stack = _FakeStack("app", _cv_app)
|
||
|
|
app_ctx: "AppContext" = LocalProxy( # type: ignore[assignment]
|
||
|
|
_cv_app, unbound_message=_no_app_msg
|
||
|
|
)
|
||
|
|
current_app: "Flask" = LocalProxy( # type: ignore[assignment]
|
||
|
|
_cv_app, "app", unbound_message=_no_app_msg
|
||
|
|
)
|
||
|
|
g: "_AppCtxGlobals" = LocalProxy( # type: ignore[assignment]
|
||
|
|
_cv_app, "g", unbound_message=_no_app_msg
|
||
|
|
)
|
||
|
|
|
||
|
|
_no_req_msg = """\
|
||
|
|
Working outside of request context.
|
||
|
|
|
||
|
|
This typically means that you attempted to use functionality that needed
|
||
|
|
an active HTTP request. Consult the documentation on testing for
|
||
|
|
information about how to avoid this problem.\
|
||
|
|
"""
|
||
|
|
_cv_request: ContextVar["RequestContext"] = ContextVar("flask.request_ctx")
|
||
|
|
__request_ctx_stack = _FakeStack("request", _cv_request)
|
||
|
|
request_ctx: "RequestContext" = LocalProxy( # type: ignore[assignment]
|
||
|
|
_cv_request, unbound_message=_no_req_msg
|
||
|
|
)
|
||
|
|
request: "Request" = LocalProxy( # type: ignore[assignment]
|
||
|
|
_cv_request, "request", unbound_message=_no_req_msg
|
||
|
|
)
|
||
|
|
session: "SessionMixin" = LocalProxy( # type: ignore[assignment]
|
||
|
|
_cv_request, "session", unbound_message=_no_req_msg
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
def __getattr__(name: str) -> t.Any:
|
||
|
|
if name == "_app_ctx_stack":
|
||
|
|
import warnings
|
||
|
|
|
||
|
|
warnings.warn(
|
||
|
|
"'_app_ctx_stack' is deprecated and will be remoevd in Flask 2.3.",
|
||
|
|
DeprecationWarning,
|
||
|
|
stacklevel=2,
|
||
|
|
)
|
||
|
|
return __app_ctx_stack
|
||
|
|
|
||
|
|
if name == "_request_ctx_stack":
|
||
|
|
import warnings
|
||
|
|
|
||
|
|
warnings.warn(
|
||
|
|
"'_request_ctx_stack' is deprecated and will be remoevd in Flask 2.3.",
|
||
|
|
DeprecationWarning,
|
||
|
|
stacklevel=2,
|
||
|
|
)
|
||
|
|
return __request_ctx_stack
|
||
|
|
|
||
|
|
raise AttributeError(name)
|