comparison scripts/score_plot.py @ 1066:a2a245542ae6

Scripts: test if folder name (default or provided via command line) exists

             print "            Enables the confidence interval plot" 
             print "    ind | individual | -i"
             print "            Enables plot of individual ratings" 
             print ""
             print "PLOT OPTIONS"
-            print "    legend | -l"
+            print "    leg | legend | -l"
             print "            For individual plot: show legend with individual file names"
-            print "    "
+            print "    numeric value between 0 and 1, e.g. 0.95"
+            print "            For confidence interval plot: confidence value"
             assert False, ""# stop immediately after showing help #TODO cleaner way
             
         # PLOT TYPES
         elif arg == 'box' or arg == 'boxplot' or arg == '-b':
             enable_boxplot    = True     # show box plot

             if not enable_confidence: 
                 print "WARNING: The numeric confidence value is only relevant when "+\
                       "confidence plot is enabled"
             if float(arg)>0 and float(arg)<1:
                 confidence = float(arg)
+            else: 
+                print "WARNING: The confidence value needs to be between 0 and 1"
         
          # FOLDER NAME
          else: 
             # assume it's the folder name
             rating_folder = arg

 
 # at least one plot type should be selected: box plot by default
 if not enable_boxplot and not enable_confidence and not enable_individual:
     enable_boxplot = True
 
+# check if folder_name exists
+if not os.path.exists(rating_folder):
+    #the file is not there
+    print "Folder '"+rating_folder+"' does not exist."
+    sys.exit() # terminate script execution
+elif not os.access(os.path.dirname(rating_folder), os.W_OK):
+    #the file does exist but write rating_folder are not given
+    print "No write privileges in folder '"+rating_folder+"'."
+
+
 # CONFIGURATION
-
-# Enter folder where rating CSV files are (generated with score_parser.py or same format).
-rating_folder = '../saves/ratings/' # folder with rating csv files
 
 # Font settings
 font = {'weight' : 'bold',
         'size'   : 10}
 plt.rc('font', **font)