Fix URLs in warnings and logs (#3902)

Author: abravalheri

changelog.d/3902.misc.rst

@@ -0,0 +1 @@
+Fixed wrong URLs used in warnings and logs.

setuptools/command/easy_install.py

@@ -1845,7 +1845,7 @@ def _update_zipimporter_cache(normalized_path, cache, updater=None):
         #    get/del patterns instead. For more detailed information see the
         #    following links:
         #      https://github.com/pypa/setuptools/issues/202#issuecomment-202913420
-        #      http://bit.ly/2h9itJX
+        #      https://foss.heptapod.net/pypy/pypy/-/blob/144c4e65cb6accb8e592f3a7584ea38265d1873c/pypy/module/zipimport/interp_zipimport.py
         old_entry = cache[p]
         del cache[p]
         new_entry = updater and updater(p, old_entry)

setuptools/config/setupcfg.py

@@ -786,4 +786,4 @@ def message(cls, **kw):
 
 
 class _DeprecatedConfig(SetuptoolsDeprecationWarning):
-    _SEE_DOCS = "https://setuptools.pypa.io/en/latest/userguide/declarative_config.html"
+    _SEE_DOCS = "userguide/declarative_config.html"

setuptools/package_index.py

@@ -402,7 +402,8 @@ def url_ok(self, url, fatal=False):
             return True
         msg = (
             "\nNote: Bypassing %s (disallowed host; see "
-            "http://bit.ly/2hrImnY for details).\n"
+            "https://setuptools.pypa.io/en/latest/deprecated/"
+            "easy_install.html#restricting-downloads-with-allow-hosts for details).\n"
         )
         if fatal:
             raise DistutilsError(msg % url)