RF: python urllib doesn't support http://username:password@...

manifest_rules/generate_environment_files.py

@@ -39,11 +39,13 @@ def need_internal_channel(release_info, packages):
     internal FSL conda channel.
     """
 
-    # the internal channel contains ${FSLCONDA_USERNAME}
-    # and ${FSLCONDA_PASSWORD}, which are assumed to be
-    # set in the CI environment
-    channel_url       = op.expandvars(release_info['internal_channel'])
-    internal_packages = get_channel_packages(channel_url)
+    username          = os.environ['FSLCONDA_USERNAME']
+    password          = os.environ['FSLCONDA_PASSWORD']
+    channel_url       = release_info['internal_channel']
+    channel_url       = channel_url.replace('${FSLCONDA_USERNAME}:${FSLCONDA_PASSWORD}@', '')
+    internal_packages = get_channel_packages(channel_url,
+                                             username=username,
+                                             password=password)
     internal_packages = [p.name for p in internal_packages]
     packages          = [p.split()[0] for p in packages]