Add helpful error message for incorrect PyPI URL

tests/test_upload.py

@@ -27,6 +27,8 @@
 NEW_SDIST_FIXTURE = 'tests/fixtures/twine-1.6.5.tar.gz'
 NEW_WHEEL_FIXTURE = 'tests/fixtures/twine-1.6.5-py2.py3-none-any.whl'
 NEW_RELEASE_URL = 'https://pypi.org/project/twine/1.6.5/'
+DEFAULT_REPOSITORY = "https://upload.pypi.org/legacy/"
+TEST_REPOSITORY = "https://test.pypi.org/legacy/"
 
 
 def test_successful_upload(make_settings, capsys):
@@ -285,3 +287,20 @@ def none_upload(*args, **settings_kwargs):
     assert "pypipassword" == upload_settings.password
     assert "pypiuser" == upload_settings.username
     assert "/foo/bar.crt" == upload_settings.cacert
+
+
+def test_check_status_code(make_settings, capsys):
+    upload_settings = make_settings()
+
+    # override default upload_settings
+    upload_settings.repository_config['repository'] = \
+        "https://upload.pypi.org"
+
+    with pytest.raises(HTTPError):
+        upload.upload(upload_settings, [
+            WHEEL_FIXTURE, SDIST_FIXTURE, NEW_SDIST_FIXTURE, NEW_WHEEL_FIXTURE
+        ])
+
+    captured = capsys.readouterr()
+    assert captured.out.count(DEFAULT_REPOSITORY) == 1
+    assert captured.out.count(TEST_REPOSITORY) == 1

twine/commands/upload.py

@@ -18,7 +18,12 @@
 from twine.package import PackageFile
 from twine import exceptions
 from twine import settings
-from twine import utils
+
+from requests.exceptions import HTTPError
+
+
+DEFAULT_REPOSITORY = "https://upload.pypi.org/legacy/"
+TEST_REPOSITORY = "https://test.pypi.org/legacy/"
 
 
 def skip_upload(response, skip_existing, package):
@@ -48,6 +53,39 @@ def skip_upload(response, skip_existing, package):
             (response.status_code == 403 and msg_403 in response.text)))
 
 
+def check_status_code(response, verbose):
+    """
+    Additional safety net to catch response code 410 in case the
+    UploadToDeprecatedPyPIDetected exception breaks.
+    Also includes a check for response code 405 and prints helpful error
+    message guiding users to the right repository endpoints.
+    """
+    if (response.status_code == 410 and
+            response.url.startswith(("https://pypi.python.org",
+                                     "https://testpypi.python.org"))):
+        print("It appears you're uploading to pypi.python.org (or "
+              "testpypi.python.org). You've received a 410 error response. "
+              "Uploading to those sites is deprecated. The new sites are "
+              "pypi.org and test.pypi.org. Try using "
+              "https://upload.pypi.org/legacy/ "
+              "(or https://test.pypi.org/legacy/) to upload your packages "
+              "instead. These are the default URLs for Twine now. More at "
+              "https://packaging.python.org/guides/migrating-to-pypi-org/ ")
+    elif response.status_code == 405 and "pypi.org" in response.url:
+        print(f"You probably want one of these two URLs: {DEFAULT_REPOSITORY} "
+              f"or {TEST_REPOSITORY}.")
+    try:
+        response.raise_for_status()
+    except HTTPError as err:
+        if response.text:
+            if verbose:
+                print('Content received from server:\n{}'.format(
+                    response.text))
+            else:
+                print('NOTE: Try --verbose to see response content.')
+        raise err
+
+
 def upload(upload_settings, dists):
     dists = _find_dists(dists)
 
@@ -99,7 +137,7 @@ def upload(upload_settings, dists):
             print(skip_message)
             continue
 
-        utils.check_status_code(resp, upload_settings.verbose)
+        check_status_code(resp, upload_settings.verbose)
 
         uploaded_packages.append(package)
 

twine/utils.py

@@ -22,7 +22,6 @@
 import configparser
 from urllib.parse import urlparse, urlunparse
 
-from requests.exceptions import HTTPError
 
 try:
     import keyring  # noqa
@@ -129,34 +128,6 @@ def normalize_repository_url(url):
     return urlunparse(parsed)
 
 
-def check_status_code(response, verbose):
-    """
-    Shouldn't happen, thanks to the UploadToDeprecatedPyPIDetected
-    exception, but this is in case that breaks and it does.
-    """
-    if (response.status_code == 410 and
-            response.url.startswith(("https://pypi.python.org",
-                                     "https://testpypi.python.org"))):
-        print("It appears you're uploading to pypi.python.org (or "
-              "testpypi.python.org). You've received a 410 error response. "
-              "Uploading to those sites is deprecated. The new sites are "
-              "pypi.org and test.pypi.org. Try using "
-              "https://upload.pypi.org/legacy/ "
-              "(or https://test.pypi.org/legacy/) to upload your packages "
-              "instead. These are the default URLs for Twine now. More at "
-              "https://packaging.python.org/guides/migrating-to-pypi-org/ ")
-    try:
-        response.raise_for_status()
-    except HTTPError as err:
-        if response.text:
-            if verbose:
-                print('Content received from server:\n{}'.format(
-                    response.text))
-            else:
-                print('NOTE: Try --verbose to see response content.')
-        raise err
-
-
 def get_userpass_value(cli_value, config, key, prompt_strategy=None):
     """Gets the username / password from config.