comparison scripts/score_parser.py @ 1478:82f43919f385

Paper: Added interface screenshot and box plot example

+#!/usr/bin/python
+
+import xml.etree.ElementTree as ET
+import os
+import sys
+import csv
+
+# COMMAND LINE ARGUMENTS
+
+assert len(sys.argv)<3, "score_parser takes at most 1 command line argument\n"+\
+                        "Use: python score_parser.py [rating_folder_location]"
+
+# XML results files location
+if len(sys.argv) == 1:
+    folder_name = "../saves"    # Looks in 'saves/' folder from 'scripts/' folder
+    print "Use: python score_parser.py [rating_folder_location]"
+    print "Using default path: " + folder_name
+elif len(sys.argv) == 2:
+    folder_name = sys.argv[1]   # First command line argument is folder
+
+# check if folder_name exists
+if not os.path.exists(folder_name):
+    #the file is not there
+    print "Folder '"+folder_name+"' does not exist."
+    sys.exit() # terminate script execution
+elif not os.access(os.path.dirname(folder_name), os.W_OK):
+    #the file does exist but write privileges are not given
+    print "No write privileges in folder '"+folder_name+"'."
+
+    
+# CODE
+
+# remember which files have been opened this time
+file_history = []
+
+# get every XML file in folder
+for file in os.listdir(folder_name):
+    if file.endswith(".xml"):
+        tree = ET.parse(folder_name + '/' + file)
+        root = tree.getroot()
+
+        # get subject ID from XML file
+        subject_id = file[:-4] # file name (without extension) as subject ID
+
+        # get list of all pages this subject evaluated
+        for audioholder in root.findall("./audioholder"):    # iterate over pages
+            page_name = audioholder.get('id') # get page name
+                       
+            if page_name is None: # ignore 'empty' audio_holders
+                print "WARNING: " + file + " contains empty audio holder. (score_parser.py)"
+                break
+
+            file_name = folder_name+'/ratings/'+page_name+'-ratings.csv' # score file name
+
+            # create folder 'ratings' if not yet created
+            if not os.path.exists(folder_name + '/ratings'):
+                os.makedirs(folder_name + '/ratings')
+
+            # header: fragment IDs in 'alphabetical' order
+            # go to fragment column, or create new column if it doesn't exist yet
+
+            # get array of audio elements and number of audio elements
+            audiolist = audioholder.findall("./audioelement")
+            n_fragments = len(audiolist)
+
+            # get alphabetical array of fragment IDs from this subject's XML
+            fragmentnamelist = []    # make empty list
+            for audioelement in audiolist: # iterate over all audioelements
+                fragmentnamelist.append(audioelement.get('id')) # add to list
+
+            # if file exists, get header and add 'new' fragments
+            if os.path.isfile(file_name):
+                with open(file_name, 'r') as readfile:
+                    filereader = csv.reader(readfile, delimiter=',')
+                    headerrow = filereader.next()
+
+                # If file hasn't been opened yet this time, remove all rows except header
+                if file_name not in file_history:
+                    with open(file_name, 'w') as writefile:
+                        filewriter = csv.writer(writefile, delimiter=',')
+                        headerrow = sorted(headerrow)
+                        filewriter.writerow(headerrow)
+                    file_history.append(file_name)
+
+                # Which of the fragmentes are in fragmentnamelist but not in headerrow?
+                newfragments = list(set(fragmentnamelist)-set(headerrow))
+                newfragments = sorted(newfragments) # new fragments in alphabetical order
+                # If not empty, read file and rewrite adding extra columns
+                if newfragments: # if not empty
+                    with open('temp.csv', 'w') as writefile:
+                        filewriter = csv.writer(writefile, delimiter=',')
+                        filewriter.writerow(headerrow + newfragments) # write new header
+                        with open(file_name, 'r') as readfile:
+                            filereader = csv.reader(readfile, delimiter=',')
+                            filereader.next() # skip header
+                            for row in filereader: # rewrite row plus empty cells for every new fragment name
+                                filewriter.writerow(row + ['']*len(newfragments))
+                    os.rename('temp.csv', file_name) # replace old file with temp file
+                    headerrow = headerrow + newfragments
+
+            # if not, create file and make header
+            else:
+                headerrow = sorted(fragmentnamelist) # sort alphabetically
+                headerrow.insert(0,'')
+                fragmentnamelist = fragmentnamelist[1:] #HACKY FIX inserting in firstrow also affects fragmentnamelist
+                with open(file_name, 'w') as writefile:
+                    filewriter = csv.writer(writefile, delimiter=',')
+                    filewriter.writerow(headerrow)
+
+            # open file to write for this page
+            writefile = open(file_name, 'a')
+            filewriter = csv.writer(writefile, delimiter=',')
+
+            # prepare row to be written for this subject for this page
+            ratingrow = [subject_id]
+
+            # get scores related to fragment [id]
+            for fragmentname in headerrow[1:]: # iterate over fragments in header (skip first empty column)
+                elementvalue = audioholder.find("./audioelement/[@id='"
+                                       + fragmentname
+                                       + "']/value")
+                if hasattr(elementvalue, 'text'): # if rating for this fragment exists
+                    ratingrow.append(elementvalue.text) # add to rating row
+                else: # if this subject has not rated this fragment
+                    ratingrow.append('') # append empty cell
+
+            # write row: [subject ID, rating fragment ID 1, ..., rating fragment ID M]
+            if any(ratingrow[1:]): # append to file if row non-empty (except subject name)
+                filewriter.writerow(ratingrow)