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from __future__ import annotations
from typing import TYPE_CHECKING, Union, Callable, TypeVar
from typing_extensions import TypeGuard, ParamSpec
if TYPE_CHECKING:
from azure.core.rest import HttpResponse, HttpRequest, AsyncHttpResponse
P = ParamSpec("P")
T = TypeVar("T")
def await_result(func: Callable[P, T], *args: P.args, **kwargs: P.kwargs) -> T:
"""If func returns an awaitable, raise that this runner can't handle it.
:param func: The function to run.
:type func: callable
:param args: The positional arguments to pass to the function.
:type args: list
:rtype: any
:return: The result of the function
:raises: TypeError
"""
result = func(*args, **kwargs)
if hasattr(result, "__await__"):
raise TypeError("Policy {} returned awaitable object in non-async pipeline.".format(func))
return result
def is_rest(obj: object) -> TypeGuard[Union[HttpRequest, HttpResponse, AsyncHttpResponse]]:
"""Return whether a request or a response is a rest request / response.
Checking whether the response has the object content can sometimes result
in a ResponseNotRead error if you're checking the value on a response
that has not been read in yet. To get around this, we also have added
a check for is_stream_consumed, which is an exclusive property on our new responses.
:param obj: The object to check.
:type obj: any
:rtype: bool
:return: Whether the object is a rest request / response.
"""
return hasattr(obj, "is_stream_consumed") or hasattr(obj, "content")
def handle_non_stream_rest_response(response: HttpResponse) -> None:
"""Handle reading and closing of non stream rest responses.
For our new rest responses, we have to call .read() and .close() for our non-stream
responses. This way, we load in the body for users to access.
:param response: The response to read and close.
:type response: ~azure.core.rest.HttpResponse
"""
try:
response.read()
response.close()
except Exception as exc:
response.close()
raise exc