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from typing import Any
import pytest
from scrapy.http import HtmlResponse, Response
from scrapy.spiders import Spider
class SimpleSpider(Spider):
pass
class SameOverrideSpider(Spider):
def parse(self, response: Response, **kwargs: Any) -> Any:
pass
class NoKwargsSpider(Spider):
def parse(self, response: Response) -> Any:
pass
class SpecificKwargsSpider(Spider):
def parse(self, response: Response, page: int) -> Any:
pass
class NarrowOverrideSpider(Spider):
# without type: ignore this produces several note lines in addition to an error line,
# which is unsupported by pytest-mypy-testing
def parse(self, response: HtmlResponse, **kwargs: Any) -> Any: # type: ignore[override]
pass
@pytest.mark.mypy_testing
def test_spider_parse() -> None:
spider = Spider()
reveal_type(spider.parse) # R: def (scrapy.http.response.Response, *Any, **Any) -> Any
@pytest.mark.mypy_testing
def test_spider_parse_override_simple() -> None:
spider = SimpleSpider()
reveal_type(spider.parse) # R: def (scrapy.http.response.Response, *Any, **Any) -> Any
@pytest.mark.mypy_testing
def test_spider_parse_override_same() -> None:
spider = SameOverrideSpider()
reveal_type(spider.parse) # R: def (response: scrapy.http.response.Response, **kwargs: Any) -> Any
@pytest.mark.mypy_testing
def test_spider_parse_override_no_kwargs() -> None:
spider = NoKwargsSpider()
reveal_type(spider.parse) # R: def (response: scrapy.http.response.Response) -> Any
@pytest.mark.mypy_testing
def test_spider_parse_override_specific_kwargs() -> None:
spider = SpecificKwargsSpider()
reveal_type(spider.parse) # R: def (response: scrapy.http.response.Response, page: builtins.int) -> Any
@pytest.mark.mypy_testing
def test_spider_parse_override_narrow() -> None:
spider = NarrowOverrideSpider()
reveal_type(spider.parse) # R: def (response: scrapy.http.response.html.HtmlResponse, **kwargs: Any) -> Any
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