sim: Mock `urequests` using `requests`

sim/fakes/urequests.py

 from typing import Any
-
-
-class Response:
-    text: str
-    content: bytes
-    status_code: int
-
-    def close(self) -> None:
-        ...
-
-    def json(self) -> Any:
-        ...
-
-
-def request(
-    method: str, url: str, data: Any, json: Any, headers: dict[str, str]
-) -> Response:
-    ...
-
-
-def head(url: str, **kw: Any) -> Response:
-    ...
-
-
-def get(url: str, **kw: Any) -> Response:
-    ...
-
-
-def post(url: str, **kw: Any) -> Response:
-    ...
-
-
-def put(url: str, **kw: Any) -> Response:
-    ...
-
-
-def patch(url: str, **kw: Any) -> Response:
-    ...
-
-
-def delete(url: str, **kw: Any) -> Response:
-    ...
+from requests import Response, request, head, get, post, put, patch, delete

sim/run.py

@@ -16,6 +16,11 @@ import cmath
 import wasmer
 import wasmer_compiler_cranelift
 
+try:
+    import requests
+except ImportError:
+    print("Warning: `requests` is missing so no `urequests` mock will exist")
+
 
 sys_path_orig = sys.path