Ct typing (test)

.pre-commit-config.yaml

@@ -4,7 +4,7 @@ repos:
     hooks:
     - id: black
       language_version: python3
--   repo: https://gitlab.com/pycqa/flake8
+-   repo: https://github.com/pycqa/flake8
     rev: 3.9.1  # Use the ref you want to point at
     hooks:
     -   id: flake8

azure-iot-device/azure/iot/device/custom_typing.py

@@ -0,0 +1,41 @@
+# --------------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See License.txt in the project root for
+# license information.
+# --------------------------------------------------------------------------
+from typing import Any, Union, Dict, List, Tuple, Callable, Awaitable, TypeVar
+from typing_extensions import TypedDict, ParamSpec
+
+
+_P = ParamSpec("_P")
+_R = TypeVar("_R")
+FunctionOrCoroutine = Union[Callable[_P, _R], Callable[_P, Awaitable[_R]]]
+
+
+# typing does not support recursion, so we must use forward references here (PEP484)
+JSONSerializable = Union[
+    Dict[str, "JSONSerializable"],
+    List["JSONSerializable"],
+    Tuple["JSONSerializable", ...],
+    str,
+    int,
+    float,
+    bool,
+    None,
+]
+# TODO: verify that the JSON specification requires str as keys in dict. Not sure why that's defined here.
+
+
+Twin = Dict[str, Dict[str, JSONSerializable]]
+TwinPatch = Dict[str, JSONSerializable]
+
+
+class StorageInfo(TypedDict):
+    correlationId: str
+    hostName: str
+    containerName: str
+    blobName: str
+    sasToken: str
+
+
+ProvisioningPayload = Union[Dict[str, Any], str, int]