comparison scripts/score_parser.py @ 921:533d51508e93

Stash for project creator

+import xml.etree.ElementTree as ET
+import os
+import csv
+
+#TODO Remove DEBUG statements
+
+# get every XML file in folder
+for file in os.listdir("."): # You have to put this in folder where output XML files are.
+    if file.endswith(".xml"):
+        tree = ET.parse(file)
+        root = tree.getroot()
+        #print ["DEBUG Reading " + file + "..."]
+
+        # get subject ID from XML file
+        subject_id = file # file name 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
+            #print ["DEBUG    page " + page_name]
+
+            file_name = 'ratings/'+page_name+'-ratings.csv' # score file name
+
+            # create folder 'ratings if not yet created
+            if not os.path.exists('ratings'):
+                os.makedirs('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 = root.findall("*/[@id='"+page_name+"']/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):
+                #print ["DEBUG file " + file_name + " already exists - reading header"]
+                with open(file_name, 'r') as readfile:
+                    filereader = csv.reader(readfile, delimiter=',')
+                    headerrow = filereader.next()
+                    #headerrow = headerrow[1:] # remove first column (empty)
+
+                    # 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
+                        print ["DEBUG New fragments found: " + str(newfragments)]
+                        with open('temp.csv', 'w') as writefile:
+                            filewriter = csv.writer(writefile, delimiter=',')
+                            filewriter.writerow(headerrow + newfragments) # write new header
+                            for row in filereader: # rewrite row plus empty cells for every new fragment name
+                                #print ["DEBUG Old row: " + str(row)]
+                                filewriter.writerow(row + ['']*len(newfragments))
+                                #print ["DEBUG New row: " + str(row + ['']*len(newfragments))]
+                        os.rename('temp.csv', file_name) # replace old file with temp file
+                        headerrow = headerrow + newfragments
+                        print ["DEBUG New header row: " + str(headerrow)]
+
+            # if not, create file and make header
+            else:
+                #print ["DEBUG file " + file_name + " doesn't exist yet - making new one"]
+                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 = root.find("*/[@id='"
+                                       + page_name
+                                       + "']/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]
+            filewriter.writerow(ratingrow)
+