From a0c8a020037e1929d2c3452691e91f8f096ae0de Mon Sep 17 00:00:00 2001
From: qiaolongfei <qiaolongfei@baidu.com>
Date: Wed, 29 Mar 2017 16:59:16 +0800
Subject: [PATCH] add DISABLE_PLOT for test

---
 python/paddle/v2/{ => plot}/plot_curve.py | 23 +++++++++++++++++------
 1 file changed, 17 insertions(+), 6 deletions(-)
 rename python/paddle/v2/{ => plot}/plot_curve.py (60%)

diff --git a/python/paddle/v2/plot_curve.py b/python/paddle/v2/plot/plot_curve.py
similarity index 60%
rename from python/paddle/v2/plot_curve.py
rename to python/paddle/v2/plot/plot_curve.py
index 178506bbebd..0f62674cb2b 100644
--- a/python/paddle/v2/plot_curve.py
+++ b/python/paddle/v2/plot/plot_curve.py
@@ -1,5 +1,5 @@
-import matplotlib.pyplot as plt
 from IPython import display
+import os
 
 
 class PlotCost(object):
@@ -11,18 +11,29 @@ class PlotCost(object):
         self.train_costs = ([], [])
         self.test_costs = ([], [])
 
+        self.__disable_plot__ = os.environ.get("DISABLE_PLOT")
+        if not self.__plot_is_disabled__():
+            import matplotlib.pyplot as plt
+            self.plt = plt
+
+    def __plot_is_disabled__(self):
+        return self.__disable_plot__ == "True"
+
     def plot(self):
-        plt.plot(*self.train_costs)
-        plt.plot(*self.test_costs)
+        if self.__plot_is_disabled__():
+            return
+
+        self.plt.plot(*self.train_costs)
+        self.plt.plot(*self.test_costs)
         title = []
         if len(self.train_costs[0]) > 0:
             title.append('Train Cost')
         if len(self.test_costs[0]) > 0:
             title.append('Test Cost')
-        plt.legend(title, loc='upper left')
+        self.plt.legend(title, loc='upper left')
         display.clear_output(wait=True)
-        display.display(plt.gcf())
-        plt.gcf().clear()
+        display.display(self.plt.gcf())
+        self.plt.gcf().clear()
 
     def append_train_cost(self, step, cost):
         self.train_costs[0].append(step)
-- 
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