Use --extra-index-url for resolution

- Fixes #1539
- Currently writes the wrong index name to the lockfile
- Currently fails one round before succeeding

pipenv/patched/notpip/index.py

@@ -34,7 +34,7 @@
 from pip9._vendor.packaging.version import parse as parse_version
 from pip9._vendor.packaging.utils import canonicalize_name
 from notpip._vendor.packaging import specifiers
-from pip9._vendor.requests.exceptions import SSLError
+from pip9._vendor.requests.exceptions import SSLError, HTTPError
 from pip9._vendor.distlib.compat import unescape
 
 
@@ -602,7 +602,10 @@ def _get_pages(self, locations, project_name):
                 continue
             seen.add(location)
 
-            page = self._get_page(location)
+            try:
+                page = self._get_page(location)
+            except HTTPError as e:
+                page = None
             if page is None:
                 continue
 

pipenv/utils.py

@@ -619,9 +619,15 @@ def convert_deps_to_pip(deps, project=None, r=True, include_index=False):
                 specs = ''
 
         if include_index:
+            pip_src_args = []
             if 'index' in deps[dep]:
-                pip_args = prepare_pip_source_args([project.get_source(deps[dep]['index'])])
-                index = ' '.join(pip_args)
+                dep_src = [project.get_source(deps[dep]['index'])]
+                extra_indexes = [src for src in project.sources if src != dep_src]
+                pip_src_args = dep_src + extra_indexes
+            else:
+                pip_src_args = project.sources
+            pip_args = prepare_pip_source_args(pip_src_args)
+            index = ' '.join(pip_args)
 
         # Support for version control
         maybe_vcs = [vcs for vcs in VCS_LIST if vcs in deps[dep]]