Use log level info when ignoring packages due to environment markers

news/4876.bugfix

@@ -0,0 +1 @@
+Use log level `info` instead of `warning` when ignoring packages due to environment markers.

src/pip/_internal/req/req_set.py

@@ -59,16 +59,16 @@ def add_requirement(self, install_req, parent_req_name=None,
             already be added. Note that None implies that this is a user
             supplied requirement, vs an inferred one.
         :param extras_requested: an iterable of extras used to evaluate the
-            environement markers.
+            environment markers.
         :return: Additional requirements to scan. That is either [] if
             the requirement is not applicable, or [install_req] if the
             requirement is applicable and has just been added.
         """
         name = install_req.name
         if not install_req.match_markers(extras_requested):
-            logger.warning("Ignoring %s: markers '%s' don't match your "
-                           "environment", install_req.name,
-                           install_req.markers)
+            logger.info("Ignoring %s: markers '%s' don't match your "
+                        "environment", install_req.name,
+                        install_req.markers)
             return []
 
         # This check has to come after we filter requirements with the

tests/functional/test_install.py

@@ -1202,10 +1202,10 @@ def test_basic_install_environment_markers(script):
         )
     """))
 
-    res = script.pip('install', '--no-index', pkga_path, expect_stderr=True)
+    res = script.pip('install', '--no-index', pkga_path)
     # missing_pkg should be ignored
     assert ("Ignoring missing-pkg: markers 'python_version == \"1.0\"' don't "
-            "match your environment") in res.stderr, str(res)
+            "match your environment") in res.stdout, str(res)
     assert "Successfully installed pkga-0.1" in res.stdout, str(res)
 
 

tests/functional/test_install_reqs.py

@@ -484,11 +484,10 @@ def test_install_unsupported_wheel_link_with_marker(script):
     result = script.pip(
         'install', '-r', script.scratch_path / 'with-marker.txt',
         expect_error=False,
-        expect_stderr=True,
     )
 
     assert ("Ignoring asdf: markers 'sys_platform == \"xyz\"' don't match "
-            "your environment") in result.stderr
+            "your environment") in result.stdout
     assert len(result.files_created) == 0