1# --------------------------------------------------------------------------
2#
3# Copyright (c) Microsoft Corporation. All rights reserved.
4#
5# The MIT License (MIT)
6#
7# Permission is hereby granted, free of charge, to any person obtaining a copy
8# of this software and associated documentation files (the ""Software""), to
9# deal in the Software without restriction, including without limitation the
10# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
11# sell copies of the Software, and to permit persons to whom the Software is
12# furnished to do so, subject to the following conditions:
13#
14# The above copyright notice and this permission notice shall be included in
15# all copies or substantial portions of the Software.
16#
17# THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
23# IN THE SOFTWARE.
24#
25# --------------------------------------------------------------------------
26from __future__ import annotations
27from typing import TYPE_CHECKING, Union, Callable, TypeVar
28from typing_extensions import TypeGuard, ParamSpec
29
30if TYPE_CHECKING:
31 from azure.core.rest import HttpResponse, HttpRequest, AsyncHttpResponse
32
33
34P = ParamSpec("P")
35T = TypeVar("T")
36
37
38def await_result(func: Callable[P, T], *args: P.args, **kwargs: P.kwargs) -> T:
39 """If func returns an awaitable, raise that this runner can't handle it.
40
41 :param func: The function to run.
42 :type func: callable
43 :param args: The positional arguments to pass to the function.
44 :type args: list
45 :rtype: any
46 :return: The result of the function
47 :raises TypeError: If the function returns an awaitable object.
48 """
49 result = func(*args, **kwargs)
50 if hasattr(result, "__await__"):
51 raise TypeError("Policy {} returned awaitable object in non-async pipeline.".format(func))
52 return result
53
54
55def is_rest(
56 obj: object,
57) -> TypeGuard[Union[HttpRequest, HttpResponse, AsyncHttpResponse]]:
58 """Return whether a request or a response is a rest request / response.
59
60 Checking whether the response has the object content can sometimes result
61 in a ResponseNotRead error if you're checking the value on a response
62 that has not been read in yet. To get around this, we also have added
63 a check for is_stream_consumed, which is an exclusive property on our new responses.
64
65 :param obj: The object to check.
66 :type obj: any
67 :rtype: bool
68 :return: Whether the object is a rest request / response.
69 """
70 return hasattr(obj, "is_stream_consumed") or hasattr(obj, "content")
71
72
73def handle_non_stream_rest_response(response: HttpResponse) -> None:
74 """Handle reading and closing of non stream rest responses.
75 For our new rest responses, we have to call .read() and .close() for our non-stream
76 responses. This way, we load in the body for users to access.
77
78 :param response: The response to read and close.
79 :type response: ~azure.core.rest.HttpResponse
80 """
81 try:
82 response.read()
83 response.close()
84 except Exception as exc:
85 response.close()
86 raise exc