From 3e831b6083bc179264d4945b78726179fa943376 Mon Sep 17 00:00:00 2001
From: Tao Luo <luotao02@baidu.com>
Date: Wed, 16 Oct 2019 11:14:53 +0800
Subject: [PATCH] reduce setup.py.in installation logs (#20641)

test=develop
---
 python/setup.py.in | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/python/setup.py.in b/python/setup.py.in
index e0bfd72fac5..6a97d65d3c1 100644
--- a/python/setup.py.in
+++ b/python/setup.py.in
@@ -351,6 +351,14 @@ class InstallHeaders(Command):
     def get_outputs(self):
         return self.outfiles
 
+# Saving the installation log generated from setup.py to log_file.
+# The log_file is ${PADDLE_BINARY_DIR}/python/setup.py.log.
+stdout = sys.stdout
+stderr = sys.stderr
+log_file = open('setup.py.log', 'w')
+sys.stdout = log_file
+sys.stderr = log_file
+
 setup(name='${PACKAGE_NAME}',
       version='${PADDLE_VERSION}',
       description='Parallel Distributed Deep Learning',
@@ -367,3 +375,12 @@ setup(name='${PACKAGE_NAME}',
           'install': InstallCommand,
       }
 )
+
+log_file.close()
+# Revert back the stdout/stderr to their default references.
+sys.stdout = stdout
+sys.stderr = stderr
+# As there are a lot of files in purelib which causes many logs,
+# we don't print them on the screen, and you can open `setup.py.log` 
+# for the full logs.
+os.system('grep -v "purelib" setup.py.log')
-- 
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