some very basic matplotlib output

simple_plotter.py

@@ -2,11 +2,22 @@
 # -*- coding:utf-8 -*-
 
 import sys
-import matplotlib
+import matplotlib.pyplot as plt
 
 from cnl_library import CNLParser
 
 
+def append_twice(base_list, extend_list):
+    if ( isinstance(extend_list, list) ):
+        for x in extend_list:
+            base_list.append(x)
+            base_list.append(x)
+    else:
+        base_list.append(extend_list)
+        base_list.append(extend_list)
+
+
+
 ## MAIN ##
 if __name__ == "__main__":
 
@@ -27,8 +38,37 @@ if __name__ == "__main__":
 
     ## Display some csv/data fields.
     names = None
-    names = ["eth0.send", "eth0.receive"]
+    names = ["begin", "end", "eth0.send", "eth0.receive"]
     print( names )
 
+    ### Prepare lists for matplotlib.
+    #x_values = list()
+    #y1_values = list()
+    #y2_values = list()
+    #for x in cnl_file.get_csv_iterator(names):
+        #x_values.extend( x[0:2] )
+
+        #append_twice( y1_values, x[2] )
+        #append_twice( y2_values, x[3] )
+
+
+    ## Prepare lists for matplotlib.
+    x_values = list()
+    y1_values = list()
+    y2_values = list()
     for x in cnl_file.get_csv_iterator(names):
-        print( ", ".join(x) )
+        x_values.append( x[1] )
+
+        y1_values.append( x[2] )
+        y2_values.append( x[3] )
+
+    ## Plot with matplotlib.
+
+    print( x_values )
+    print( y1_values )
+    print( y2_values )
+
+    plt.plot(x_values, y1_values)
+    plt.plot(x_values, y2_values)
+    #plt.ylabel('some numbers')
+    plt.show()