questions.py

   1 #!/usr/bin/python
   2 import sys, string
   3 from xml.dom import minidom, Node
   4 import os
   5
   6 class Questions:
   7    loud = False
   8
   9    def GetQuestions(self):
  10       if self.loud:
  11          print "Get Questions"
  12
  13       self.GetHints ()
  14
  15       self.questions = []
  16
  17       for q in self.file.getElementsByTagName("question"):
  18          id = q.getAttribute ("id")
  19
  20          hint = self.GetHint(id)
  21
  22          answers = []
  23          for c in q.childNodes:
  24             if c.nodeType == Node.ELEMENT_NODE:
  25
  26                content=[]
  27                for child in c.childNodes:
  28                   if child.nodeType == Node.TEXT_NODE:
  29                      content.append(child.nodeValue)
  30                if content:
  31                   strContent = string.join(content)
  32
  33                if c.nodeName == "textquestion":
  34                   textquestion = strContent
  35                elif c.nodeName == "textanswer":
  36                   if c.getAttribute("correct") == "true":
  37                      correct = True
  38                   else:
  39                      correct = False
  40                   answer = content
  41                   answers.append ([answer, correct])
  42
  43          self.questions.append ([id, textquestion,answers, hint])
  44
  45    def GetHints(self):
  46       if self.loud:
  47          print "Get hints"
  48
  49       self.hints = []
  50       for h in self.root.getElementsByTagName ("hint"):
  51          id = h.getAttribute ("question")
  52          content=[]
  53          for child in h.childNodes:
  54             if child.nodeType == Node.TEXT_NODE:
  55                content.append(child.nodeValue)
  56          if content:
  57             strContent = string.join(content)
  58
  59          ss = strContent.split("<a href=\"http://")[1].split("\">")[0]
  60
  61          self.hints.append ([id, ss])
  62
  63    def GetHint(self,id):
  64       if self.loud:
  65          print "Get hint:",id
  66
  67       for h in self.hints:
  68          if h[0] == id:
  69             return h[1]
  70       return ""
  71
  72    def GetChapters(self):
  73       if self.loud:
  74          print "Get chapters"
  75
  76       chapters=[]
  77       for c in self.root.childNodes:
  78          if c.nodeType == Node.ELEMENT_NODE:
  79             if c.nodeName == "chapter":
  80                id1 = c.getAttribute("id")
  81                name1 = c.getAttribute("name")
  82          for d in c.childNodes:
  83             if d.nodeType == Node.ELEMENT_NODE:
  84                if d.nodeName == "chapter":
  85                   id2 = d.getAttribute("id")
  86                   name2 = d.getAttribute("name")
  87             for e in d.childNodes:
  88                if e.nodeType == Node.ELEMENT_NODE:
  89                   if e.nodeName == "chapter":
  90                      id3 = e.getAttribute("id")
  91                      name3 = e.getAttribute("name")
  92
  93    def GetBasicProperties(self):
  94       if self.loud:
  95          print "Get basic properties"
  96
  97       #self.title = self.root.getAttribute("title")
  98       #publisher
  99       #version -published
 100       #contact
 101       #exam id="T" name="Technische Kenntnisse / Klasse A" duration="90" maxerrorpoints="13"
 102       return
 103
 104    def AskQuestion(self,id):
 105       if self.loud:
 106          print "Ask question:",id
 107
 108       for q in self.questions:
 109          if q[0] == id:
 110             break
 111
 112       self.id = id
 113       self.question = q[1]
 114       self.correct = "a" #FIXME
 115       self.answera = q[2][0][0][0]
 116       self.answerb = q[2][1][0][0]
 117       self.answerc = q[2][2][0][0]
 118       self.answerd = q[2][3][0][0]
 119       self.hint = q[3]
 120
 121    def __init__(self,filename="Questions/questions.xml"):
 122       self.filename=filename
 123       self.file = minidom.parse (self.filename)
 124       self.root = self.file.documentElement
 125
 126       self.GetQuestions()
 127
 128
 129 #q = Questions()
 130
 131 #q.AskQuestion("TB305")