JezK

Edit File: globals.py

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)

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