Merge pull request #722 from StackStorm/pep-440-reqs

Allow PEP 440 direct references in requirements (dist_utils.py)

Author: cognifloyd

packages/st2/dist_utils.py

@@ -112,6 +112,12 @@ def _get_link(line):
 
                 link = line.replace('-e ', '').strip()
                 return link, req_name[0]
+            elif vcs_prefix in line and line.count("@") == 2:
+                # PEP 440 direct reference: <package name>@ <url>@version
+                req_name, link = line.split("@", 1)
+                req_name = req_name.strip()
+                link = f"{link.strip()}#egg={req_name}"
+                return link, req_name
 
         return None, None