Fix local tests on oldest supported pip version

Author: adamtheturtle

pip_check_reqs/common.py

@@ -168,11 +168,14 @@ def f(candidate, ignore_cfg=ignore_cfg):
                 from pip._internal.req.constructors import (
                     install_req_from_line,
                 )
-                candidate_path = install_req_from_line(
+                candidate_path = install_req_from_line(  # pragma: no cover
                     candidate.requirement,
                 ).name
             except (ImportError, AttributeError):
-                candidate_path = candidate
+                try:
+                    candidate_path = candidate.name
+                except AttributeError:
+                    candidate_path = candidate
 
             if fnmatch.fnmatch(candidate_path, ignore):
                 return True

tests/test_find_extra_reqs.py

@@ -87,7 +87,7 @@ def test_main_failure(monkeypatch, caplog, fake_opts):
     caplog.set_level(logging.WARN)
 
     monkeypatch.setattr(find_extra_reqs, 'find_extra_reqs',
-                        lambda x: ['extra'])
+                        lambda options, requirements_filename: ['extra'])
 
     with pytest.raises(SystemExit) as excinfo:
         find_extra_reqs.main()
@@ -146,7 +146,11 @@ def parse_args(self):
 
     monkeypatch.setattr(optparse, 'OptionParser', FakeOptParse)
 
-    monkeypatch.setattr(find_extra_reqs, 'find_extra_reqs', lambda x: [])
+    monkeypatch.setattr(
+        find_extra_reqs,
+        'find_extra_reqs',
+        lambda options, requirements_filename: [],
+    )
     find_extra_reqs.main()
 
     for event in [(logging.DEBUG, 'debug'), (logging.INFO, 'info'),