From 305c671d1fb5068b53454df79667d4fd8d172234 Mon Sep 17 00:00:00 2001
From: Pradyun Gedam <pradyunsg@gmail.com>
Date: Tue, 20 Aug 2019 12:40:35 +0530
Subject: [PATCH 1/2] Add RequirementSet.add_unnamed_requirement()

---
 src/pip/_internal/req/req_set.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/pip/_internal/req/req_set.py b/src/pip/_internal/req/req_set.py
index cd51d17250e..118d92f9a79 100644
--- a/src/pip/_internal/req/req_set.py
+++ b/src/pip/_internal/req/req_set.py
@@ -52,6 +52,11 @@ def __repr__(self):
         return ('<%s object; %d requirement(s): %s>'
                 % (self.__class__.__name__, len(reqs), reqs_str))
 
+    def add_unnamed_requirement(self, install_req):
+        # type: (InstallRequirement) -> None
+        assert not install_req.name
+        self.unnamed_requirements.append(install_req)
+
     def add_requirement(
         self,
         install_req,  # type: InstallRequirement
@@ -105,8 +110,7 @@ def add_requirement(
         # Unnamed requirements are scanned again and the requirement won't be
         # added as a dependency until after scanning.
         if not name:
-            # url or path requirement w/o an egg fragment
-            self.unnamed_requirements.append(install_req)
+            self.add_unnamed_requirement(install_req)
             return [install_req], None
 
         try:

From 476dfd2a8cef09f8e661682518857776ab42d15b Mon Sep 17 00:00:00 2001
From: Pradyun Gedam <pradyunsg@gmail.com>
Date: Wed, 21 Aug 2019 15:44:48 +0530
Subject: [PATCH 2/2] Add RequirementSet.add_named_requirement()

---
 src/pip/_internal/req/req_set.py | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/src/pip/_internal/req/req_set.py b/src/pip/_internal/req/req_set.py
index 118d92f9a79..269a045d592 100644
--- a/src/pip/_internal/req/req_set.py
+++ b/src/pip/_internal/req/req_set.py
@@ -57,6 +57,16 @@ def add_unnamed_requirement(self, install_req):
         assert not install_req.name
         self.unnamed_requirements.append(install_req)
 
+    def add_named_requirement(self, install_req):
+        # type: (InstallRequirement) -> None
+        assert install_req.name
+        name = install_req.name
+
+        self.requirements[name] = install_req
+        # FIXME: what about other normalizations?  E.g., _ vs. -?
+        if name.lower() != name:
+            self.requirement_aliases[name.lower()] = name
+
     def add_requirement(
         self,
         install_req,  # type: InstallRequirement
@@ -134,11 +144,8 @@ def add_requirement(
         # When no existing requirement exists, add the requirement as a
         # dependency and it will be scanned again after.
         if not existing_req:
-            self.requirements[name] = install_req
-            # FIXME: what about other normalizations?  E.g., _ vs. -?
-            if name.lower() != name:
-                self.requirement_aliases[name.lower()] = name
-            # We'd want to rescan this requirements later
+            self.add_named_requirement(install_req)
+            # We'd want to rescan this requirement later
             return [install_req], install_req
 
         # Assume there's no need to scan, and that we've already