Added drop of really long line in sentiment-analysis module + Added description of sentiment module. Also, fixed bug in webpage sentiement-trending concerning avg and date range.

bin/SentimentAnalyser.py

@@ -2,11 +2,15 @@
 # -*-coding:UTF-8 -*
 """
     Sentiment analyser module.
-    It takes its inputs from 'shortLine' and 'longLine'.
+    It takes its inputs from 'global'.
-    Source code is taken into account (in case of comments). If it is only source code,
-    it will be treated with a neutral value anyway.
 
-nltk.sentiment.vader module:
+    The content analysed comes from the pastes with length of the line 
+    above a defined threshold removed (get_p_content_with_removed_lines).
+    This is done because NLTK sentences tokemnizer (sent_tokenize) seems to crash
+    for long lines (function _slices_from_text line#1276).
+
+
+    nltk.sentiment.vader module credit:
         Hutto, C.J. & Gilbert, E.E. (2014). VADER: A Parsimonious Rule-based Model for Sentiment Analysis of Social Media Text. Eighth International Conference on Weblogs and Social Media (ICWSM-14). Ann Arbor, MI, June 2014.
 
 """
@@ -25,23 +29,27 @@ from nltk import tokenize
 
 # Config Variables
 accepted_Mime_type = ['text/plain']
+size_threshold = 250
+line_max_length_threshold = 1000
 
 def Analyse(message, server):
     #print 'analyzing'
     path = message
     paste = Paste.Paste(path)
 
-    content = paste.get_p_content()
+    # get content with removed line + number of them
+    num_line_removed, p_content = paste.get_p_content_with_removed_lines(line_max_length_threshold)
     provider = paste.p_source
     p_date = str(paste._get_p_date())
     p_MimeType = paste._get_p_encoding()
 
     # Perform further analysis
     if p_MimeType == "text/plain":
-        if isJSON(content):
+        if isJSON(p_content):
             p_MimeType = "JSON"
 
     if p_MimeType in accepted_Mime_type:
+
         print 'Processing', path
         the_date = datetime.date(int(p_date[0:4]), int(p_date[4:6]), int(p_date[6:8]))
         #print 'pastedate: ', the_date
@@ -53,9 +61,10 @@ def Analyse(message, server):
         timestamp = calendar.timegm(combined_datetime.timetuple())
         #print 'timestamp: ', timestamp 
     
-        sentences = tokenize.sent_tokenize(content.decode('utf-8', 'ignore'))
+        sentences = tokenize.sent_tokenize(p_content.decode('utf-8', 'ignore'))
         #print len(sentences)
     
+        if len(sentences) > 0:
             avg_score = {'neg': 0.0, 'neu': 0.0, 'pos': 0.0, 'compoundPos': 0.0, 'compoundNeg': 0.0}
             neg_line = 0
             pos_line = 0
@@ -96,10 +105,9 @@ def Analyse(message, server):
             #print provider_timestamp
             server.incr('UniqID')
             UniqID = server.get('UniqID')
-        print provider_timestamp, '->', UniqID
+            print provider_timestamp, '->', UniqID, 'dropped', num_line_removed, 'lines'
             server.sadd(provider_timestamp, UniqID)
             server.set(UniqID, avg_score)
-        print avg_score
             #print UniqID, '->', avg_score
     else:
         print 'Dropped:', p_MimeType
@@ -146,3 +154,4 @@ if __name__ == '__main__':
 
         # Do something with the message from the queue
         Analyse(message, server)
+

bin/packages/Paste.py

@@ -91,6 +91,7 @@ class Paste(object):
         self.p_langage = None
         self.p_nb_lines = None
         self.p_max_length_line = None
+        self.array_line_above_threshold = None
         self.p_duplicate = None
 
     def get_p_content(self):
@@ -118,6 +119,21 @@ class Paste(object):
     def get_p_content_as_file(self):
         return cStringIO.StringIO(self.get_p_content())
 
+    def get_p_content_with_removed_lines(self, threshold):
+        num_line_removed = 0
+        line_length_threshold = threshold
+        string_content = ""
+        f = self.get_p_content_as_file()
+        line_id = 0
+        for line_id, line in enumerate(f):
+            length = len(line)
+            if length < line_length_threshold:
+                string_content += line
+            else:
+                num_line_removed+=1
+
+        return (num_line_removed, string_content)
+
     def get_lines_info(self):
         """
         Returning and setting the number of lines and the maximum lenght of the
@@ -136,10 +152,12 @@ class Paste(object):
                 length = len(line)
                 if length >= max_length_line:
                     max_length_line = length
+
             f.close()
             self.p_nb_lines = line_id
             self.p_max_length_line = max_length_line
-        return (self.p_nb_lines, self.p_max_length_line)
+
+        return (self.p_nb_lines, self.p_max_length_line, array_line_above_threshold)
 
     def _get_p_encoding(self):
         """

var/www/static/js/sentiment_trending.js

@@ -7,13 +7,14 @@
  };
 
  function generate_offset_to_date(day){
+     day = day-1;
      var now = new Date();
      var to_ret = {};
-     for(i=0; i<day; i++){
+     for(i=day; i>=0; i--){
          for(j=0; j<24; j++){
              var t1 =now.getDate()-i + ":"; 
              var t2 =now.getHours()-(23-j)+"h";
-             to_ret[j+24*i] = t1+t2;
+             to_ret[j+24*(day-i)] = t1+t2;
          }
      }
      return to_ret;
@@ -53,6 +54,7 @@ $.getJSON("/sentiment_analysis_getplotdata/",
 
         var all_graph_day_sum = 0.0;
         var all_graph_hour_sum = 0.0;
+        var all_day_avg = 0.0;
 
         for (graphNum=0; graphNum<8; graphNum++) {
             var max_value = 0.0;
@@ -65,7 +67,7 @@ $.getJSON("/sentiment_analysis_getplotdata/",
             var day_sum_elem = 0.0;
             var hour_sum = 0.0;
 
-            for(curr_date=dateStart; curr_date<dateStart+oneWeek; curr_date+=oneHour){
+            for(curr_date=dateStart+oneHour; curr_date<=dateStart+oneWeek; curr_date+=oneHour){
                 var data_array = data[curr_provider][curr_date];
 
                 if (data_array.length == 0){
@@ -99,7 +101,7 @@ $.getJSON("/sentiment_analysis_getplotdata/",
                     curr_sum_elem++;
                     max_value = Math.abs(pos-neg) > max_value ? Math.abs(pos-neg) : max_value;
 
-                    if(curr_date >= dateStart+oneWeek-24*oneHour){
+                    if(curr_date >= dateStart+oneWeek-23*oneHour){
                         day_sum += (pos-neg);
                         day_sum_elem++;
                     }
@@ -150,11 +152,13 @@ $.getJSON("/sentiment_analysis_getplotdata/",
             sparklineOptions.barWidth = 18;
             sparklineOptions.tooltipFormat = '<span style="color: {{color}}">&#9679;</span> Avg: {{value}} </span>'
             //var day_avg = day_sum/24;
-            var day_avg = day_sum/day_sum_elem;
+            var day_avg = isNaN(day_sum/day_sum_elem) ? 0 : day_sum/day_sum_elem;
+            var day_avg_text = isNaN(day_sum/day_sum_elem) ? 'No data' : (day_avg).toFixed(5);
+            all_day_avg += day_avg;
             $(placeholder+'b').sparkline([day_avg], sparklineOptions);
             sparklineOptions.tooltipFormat = '<span style="color: {{color}}">&#9679;</span> {{offset:names}}, {{value}} </span>'
             sparklineOptions.barWidth = 2;
-            $(placeholder+'s').text((day_avg).toFixed(5));
+            $(placeholder+'s').text(day_avg_text);
 
         }//for loop
 
@@ -197,7 +201,8 @@ $.getJSON("/sentiment_analysis_getplotdata/",
         gaugeOptions2.appendTo = '#gauge_today_last_days';
         gaugeOptions2.dialLabel = 'Today';
         gaugeOptions2.elementId = 'gauge2';
-        piePercent = (all_graph_day_sum / (8*24)) / max_value;
+        //piePercent = (all_graph_day_sum / (8*24)) / max_value;
+        piePercent = (all_day_avg / 8) / max_value;
         gaugeOptions2.inc = piePercent;
         var gauge_today_last_days = new FlexGauge(gaugeOptions2);