From 6f7d4221afe463e176d9eaf75c83c0ca358e5f44 Mon Sep 17 00:00:00 2001
From: Masood Malekghassemi <atash@google.com>
Date: Wed, 20 Jul 2016 17:16:07 -0700
Subject: [PATCH] Upgrade virtualenv pip in Python docgen

Also ignore the docgen-generated directories under doc/.
---
 doc/.gitignore                 | 2 ++
 tools/distrib/python/docgen.py | 2 ++
 2 files changed, 4 insertions(+)
 create mode 100644 doc/.gitignore

diff --git a/doc/.gitignore b/doc/.gitignore
new file mode 100644
index 00000000000..95464d3e664
--- /dev/null
+++ b/doc/.gitignore
@@ -0,0 +1,2 @@
+build/
+src/
diff --git a/tools/distrib/python/docgen.py b/tools/distrib/python/docgen.py
index f5e89f1da67..15bd8d855f6 100755
--- a/tools/distrib/python/docgen.py
+++ b/tools/distrib/python/docgen.py
@@ -71,6 +71,8 @@ environment.update({
 
 subprocess_arguments_list = [
     {'args': ['virtualenv', VIRTUALENV_DIR], 'env': environment},
+    {'args': [VIRTUALENV_PIP_PATH, 'install', '--upgrade', 'pip'],
+     'env': environment},
     {'args': [VIRTUALENV_PIP_PATH, 'install', '-r', REQUIREMENTS_PATH],
      'env': environment},
     {'args': [VIRTUALENV_PYTHON_PATH, SETUP_PATH, 'build'], 'env': environment},