Added support for proper bare URLs.

If we want to use github zipballs as a source of depends sometimes
(which we do) - we need to have the pip-requires parsing understand
that lines starting with http:// or https:// are urls and should go
to dependency_links.

Change-Id: I9218159872d6edfebd4b820e6db912e9aabdf7d7

1 files changed, 17 insertions, 0 deletions

diff --git a/openstack/common/setup.py b/openstack/common/setup.py
index 50c59db..79b5a62 100644
--- a/openstack/common/setup.py
+++ b/openstack/common/setup.py
@@ -61,9 +61,19 @@ def parse_requirements(requirements_files=['requirements.txt',
                                            'tools/pip-requires']):
     requirements = []
     for line in get_reqs_from_files(requirements_files):
+        # For the requirements list, we need to inject only the portion
+        # after egg= so that distutils knows the package it's looking for
+        # such as:
+        # -e git://github.com/openstack/nova/master#egg=nova
         if re.match(r'\s*-e\s+', line):
             requirements.append(re.sub(r'\s*-e\s+.*#egg=(.*)$', r'\1',
                                 line))
+        # such as:
+        # http://github.com/openstack/nova/zipball/master#egg=nova
+        elif re.match(r'\s*https?:', line):
+            requirements.append(re.sub(r'\s*https?:.*#egg=(.*)$', r'\1',
+                                line))
+        # -f lines are for index locations, and don't get used here
         elif re.match(r'\s*-f\s+', line):
             pass
         else:
@@ -75,11 +85,18 @@ def parse_requirements(requirements_files=['requirements.txt',
 def parse_dependency_links(requirements_files=['requirements.txt',
                                                'tools/pip-requires']):
     dependency_links = []
+    # dependency_links inject alternate locations to find packages listed
+    # in requirements
     for line in get_reqs_from_files(requirements_files):
+        # skip comments and blank lines
         if re.match(r'(\s*#)|(\s*$)', line):
             continue
+        # lines with -e or -f need the whole line, minus the flag
         if re.match(r'\s*-[ef]\s+', line):
             dependency_links.append(re.sub(r'\s*-[ef]\s+', '', line))
+        # lines that are only urls can go in unmolested
+        elif re.match(r'\s*https?:', line):
+            dependency_links.append(line)
     return dependency_links