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from typing import Any, Dict
import pytest
from scrapy import Request
from scrapy.http import JsonRequest
class MyRequest(Request):
pass
class MyRequest2(Request):
pass
@pytest.mark.mypy_testing
def mypy_test_headers():
Request("data:,", headers=1) # E: Argument "headers" to "Request" has incompatible type "int"; expected "Union[Mapping[str, Any], Iterable[tuple[str, Any]], None]"
Request("data:,", headers=None)
Request("data:,", headers={})
Request("data:,", headers=[])
Request("data:,", headers={"foo": "bar"})
Request("data:,", headers={b"foo": "bar"})
Request("data:,", headers={"foo": b"bar"})
Request("data:,", headers=[("foo", "bar")])
Request("data:,", headers=[(b"foo", "bar")])
Request("data:,", headers=[("foo", b"bar")])
@pytest.mark.mypy_testing
def mypy_test_copy():
req = Request("data:,")
reveal_type(req) # R: scrapy.http.request.Request
req_copy = req.copy()
reveal_type(req_copy) # R: scrapy.http.request.Request
@pytest.mark.mypy_testing
def mypy_test_copy_subclass():
req = MyRequest("data:,")
reveal_type(req) # R: __main__.MyRequest
req_copy = req.copy()
reveal_type(req_copy) # R: __main__.MyRequest
@pytest.mark.mypy_testing
def mypy_test_replace():
req = Request("data:,")
reveal_type(req) # R: scrapy.http.request.Request
req_copy = req.replace(body=b"a")
reveal_type(req_copy) # R: scrapy.http.request.Request
kwargs: Dict[str, Any] = {}
req_copy2 = req.replace(body=b"a", **kwargs)
reveal_type(req_copy2) # R: Any
@pytest.mark.mypy_testing
def mypy_test_replace_subclass():
req = MyRequest("data:,")
reveal_type(req) # R: __main__.MyRequest
req_copy = req.replace(body=b"a")
reveal_type(req_copy) # R: __main__.MyRequest
req_copy2 = req.replace(body=b"a", cls=MyRequest2)
reveal_type(req_copy2) # R: __main__.MyRequest2
kwargs: Dict[str, Any] = {}
req_copy3 = req.replace(body=b"a", cls=MyRequest2, **kwargs)
reveal_type(req_copy3) # R: __main__.MyRequest2
@pytest.mark.mypy_testing
def mypy_test_jsonrequest_copy_replace():
req = JsonRequest("data:,")
reveal_type(req) # R: scrapy.http.request.json_request.JsonRequest
req_copy = req.copy()
reveal_type(req_copy) # R: scrapy.http.request.json_request.JsonRequest
req_copy = req.replace(body=b"a")
reveal_type(req_copy) # R: scrapy.http.request.json_request.JsonRequest
req_copy_my = req.replace(body=b"a", cls=MyRequest)
reveal_type(req_copy_my) # R: __main__.MyRequest
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