interface.py

   1 #!/usr/bin/python
   2 import string,cgi,time,posixpath, urllib, os
   3 from os import curdir, sep
   4 from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
   5 import framework
   6
   7 class MyHandler(BaseHTTPRequestHandler):
   8    def do_GET(self):
   9       if self.path.endswith(".afu"):
  10          self.AFU()
  11       else:
  12          ff = self.send_head()
  13          if f:
  14             self.copyfile(ff, self.wfile)
  15             ff.close()
  16
  17    def do_HEAD(self):
  18      ff = self.send_head()
  19      if ff:
  20          ff.close()
  21
  22    def send_head(self):
  23       path = self.translate_path(self.path)
  24       if os.path.isdir(path):
  25          self.send_error(403, "Directory listing not supported")
  26          return None
  27       try:
  28          ff = open(path, 'rb')
  29       except IOError:
  30          self.send_error(404, "File not found")
  31          return None
  32       self.send_response(200)
  33       self.send_header("Content-type", self.guess_type(path))
  34       self.end_headers()
  35       return ff
  36
  37    def translate_path(self, path):
  38       path = posixpath.normpath(urllib.unquote(path))
  39       words = string.splitfields(path, '/')
  40       words = filter(None, words)
  41       path = os.getcwd()
  42       for word in words:
  43          drive, word = os.path.splitdrive(word)
  44          head, word = os.path.split(word)
  45          if word in (os.curdir, os.pardir): continue
  46          path = os.path.join(path, word)
  47       return path
  48
  49    def copyfile(self, source, outputfile):
  50       BLOCKSIZE = 8192
  51       while 1:
  52          data = source.read(BLOCKSIZE)
  53          if not data: break
  54          outputfile.write(data)
  55
  56    def guess_type(self, path):
  57       base, ext = posixpath.splitext(path)
  58       if self.extensions_map.has_key(ext):
  59          return self.extensions_map[ext]
  60       ext = string.lower(ext)
  61       if self.extensions_map.has_key(ext):
  62          return self.extensions_map[ext]
  63       else:
  64          return self.extensions_map['']
  65
  66    extensions_map = {
  67       '': 'text/plain',   # Default, *must* be present
  68       '.html': 'text/html',
  69       '.htm': 'text/html',
  70       '.gif': 'image/gif',
  71       '.jpg': 'image/jpeg',
  72       '.jpeg': 'image/jpeg',
  73       }
  74
  75    def AFU(self):
  76       self.SendHeader()
  77       if self.path.endswith("/a.afu") or self.path.endswith("/b.afu") or self.path.endswith("/c.afu") or self.path.endswith("/d.afu"):
  78          answer = (self.path.split("/")[-1]).replace(".afu","")
  79          if not f.EvalQuestion (answer):
  80             self.WrongAnswer()
  81          else:
  82             self.AskQuestion()
  83       elif self.path.endswith("menue.afu"):
  84          self.DisplayMenu()
  85       elif self.path.endswith("method.afu"):
  86          self.DisplayMethod()
  87       elif self.path.endswith("methodNew.afu"):
  88          f.Method ("NewQuestions")
  89          self.AskQuestion()
  90       elif self.path.endswith("methodBad.afu"):
  91          f.Method ("BadQuestions")
  92          self.AskQuestion()
  93       elif self.path.endswith("methodAny.afu"):
  94          f.Method ("AnyQuestions")
  95          self.AskQuestion()
  96       elif self.path.endswith("methodGood.afu"):
  97          f.Method ("GoodQuestions")
  98          self.AskQuestion()
  99       elif self.path.endswith("statistic.afu"):
 100          self.DisplayStatistics()
 101       elif self.path.endswith("askquestion.afu"):
 102          self.AskQuestion()
 103       elif self.path.endswith("showquestion.afu"):
 104          self.AskQuestion(update=False)
 105       elif self.path.endswith("catalogTechnikA.afu"):
 106          #f.close()
 107          #f = framework.Framework(catalog="TechnikA")
 108          self.StartDisplay()
 109       elif self.path.endswith("catalogTechnikE.afu"):
 110          #f.close()
 111          #f = framework.Framework(catalog="TechnikE")
 112          self.StartDisplay()
 113       elif self.path.endswith("catalogBetriebAE.afu"):
 114          #f.close()
 115          #f = framework.Framework(catalog="BetriebAE")
 116          self.StartDisplay()
 117       else:
 118          self.StartDisplay()
 119
 120    def DisplayStatistics(self):
 121       self.ShowHead()
 122       self.wfile.write ("<h2>Statistics...</h2>")
 123
 124    def DisplayMethod(self):
 125       self.ShowHead()
 126       self.wfile.write ("<h2>Abfragemethode</h2>")
 127       self.wfile.write ("<ul>")
 128       self.wfile.write ("<li><a href="+base+"/methodAny.afu>Irgendwelche Fragen</a>")
 129       self.wfile.write ("<li><a href="+base+"/methodNew.afu>Neue Fragen</a>")
 130       self.wfile.write ("<li><a href="+base+"/methodBad.afu>Schwierige Fragen</a>")
 131       self.wfile.write ("<li><a href="+base+"/methodGood.afu>Einfache Fragen</a>")
 132       self.wfile.write ("</ul>")
 133
 134       self.wfile.write ("<h2>Fragenkatalog</h2>")
 135       self.wfile.write ("<ul>")
 136       self.wfile.write ("<li><a href="+base+"/catalogTechnikA.afu>Technik A</a>")
 137       self.wfile.write ("<li><a href="+base+"/catalogTechnikE.afu>Technik E</a> FIXME ") # FIXME
 138       self.wfile.write ("<li><a href="+base+"/catalogBetriebAE.afu>Betrieb AE</a> FIXME ") # FIXME
 139       self.wfile.write ("</ul>")
 140
 141    def ShowHead(self,question=False):
 142       self.wfile.write ("<html><head><base href="+base+f.question_dir+">")
 143       self.wfile.write ("<link href="+stylefile+" rel=stylesheet type=text/css>")
 144       self.wfile.write ("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf8\">")
 145
 146       if question:
 147          self.wfile.write ("<SCRIPT LANGUAGE=\"JavaScript\">")
 148          self.wfile.write ("var inNav = navigator.appVersion.indexOf(\"MSIE\") < 0;")
 149          self.wfile.write ("function eval_key (event) {")
 150          self.wfile.write ("var key = (inNav==1) ? event.which : event.keyCode;")
 151          self.wfile.write ("if (key == 65) {   window.location = \""+base+"/a.afu\";")
 152          self.wfile.write ("} else if (key == 66) {  window.location = \""+base+"/b.afu\";")
 153          self.wfile.write ("} else if (key == 67) {  window.location = \""+base+"/c.afu\";")
 154          self.wfile.write ("} else if (key == 68) {  window.location = \""+base+"/d.afu\";")
 155          self.wfile.write ("}")
 156          self.wfile.write ("}")
 157          self.wfile.write ("document.onkeydown = eval_key;")
 158          self.wfile.write ("</script>")
 159
 160       self.wfile.write ("</head><body>")
 161
 162    def SendHeader(self):
 163       self.send_response(200)
 164       self.send_header('Content-type', 'text/html')
 165       self.end_headers()
 166
 167    def DisplayQuestion(self):
 168       self.wfile.write("<div class=id>"+f.id+"</div>")
 169       self.wfile.write("<div class=question>")
 170       self.wfile.write(f.question.encode("utf8"))
 171       self.wfile.write("</div>")
 172       self.wfile.write("<div class=statistics>Richtig: "+f.correct_successive+"("+f.correct+")"+" <br>Falsch: "+f.wrong_successive+"("+f.wrong+")"+"</div>")
 173
 174    def WrongAnswer(self):
 175       self.ShowHead()
 176       self.wfile.write("<div class=wronganswer>Falsche Antwort</div>")
 177       self.DisplayQuestion()
 178       self.wfile.write("<div class=correctanswer>"+f.answercorrect.encode("utf8")+"</div>")
 179
 180       self.wfile.write("<div class=hint>")
 181       self.wfile.write("<a href="+base+f.hint_dir+f.hint+" target=hint>Hinweis</a></div>")
 182
 183
 184    def StartDisplay(self):
 185       self.wfile.write("<frameset border=0 frameborder=0 framespacing=0 marginwidth=0 rows=30px,*>")
 186       self.wfile.write("<frame name=menue src=menue.afu scrolling=no noresize>")
 187       self.wfile.write("<frame name=main src=askquestion.afu scrolling=auto noresize>")
 188       self.wfile.write("</frameset>")
 189
 190    def AskQuestion(self,update=True):
 191       self.ShowHead(question=True)
 192       self.wfile.write("<body>")
 193
 194       if update:
 195          f.AskQuestion()
 196
 197       self.DisplayQuestion()
 198
 199       self.wfile.write("<div class=answer>")
 200       self.wfile.write("<a href="+base+"/a.afu class=button1>A</a>"+f.answera.encode("utf8")+"<br>")
 201       self.wfile.write("<a href="+base+"/b.afu class=button1>B</a>"+f.answerb.encode("utf8")+"<br>")
 202       self.wfile.write("<a href="+base+"/c.afu class=button1>C</a>"+f.answerc.encode("utf8")+"<br>")
 203       self.wfile.write("<a href="+base+"/d.afu class=button1>D</a>"+f.answerd.encode("utf8")+"<br>")
 204       self.wfile.write("</div>")
 205
 206       self.wfile.write("<div class=button>")
 207       self.wfile.write("<a href="+base+"/a.afu class=button>A</a>")
 208       self.wfile.write("<a href="+base+"/b.afu class=button>B</a>")
 209       self.wfile.write("<a href="+base+"/c.afu class=button>C</a>")
 210       self.wfile.write("<a href="+base+"/d.afu class=button>D</a>")
 211       self.wfile.write("</div>")
 212
 213       self.wfile.write("<div class=hint>")
 214       self.wfile.write("<a href="+base+f.hint_dir+f.hint+" target=hint>Hinweis</a></div>")
 215
 216       self.wfile.write("</body></html>")
 217
 218    def DisplayMenu(self):
 219       self.wfile.write("<html><head><base target=main><link href="+stylefile+" rel=stylesheet type=text/css></head>")
 220       self.wfile.write("<body class=menue><div class=menue>")
 221       self.wfile.write("<a class=menue href="+base+"/askquestion.afu>Abfragen</a>")
 222       self.wfile.write("<a class=menue href="+base+"/method.afu>Abfragemethode</a>")
 223       self.wfile.write("<a class=menue href="+base+"/statistic.afu>Statistik</a>")
 224       self.wfile.write("</div></body></html>")
 225
 226
 227    def do_POST(self):
 228       global rootnode
 229       ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
 230       if ctype == 'multipart/form-data':
 231           query=cgi.parse_multipart(self.rfile, pdict)
 232       self.send_response(301)
 233
 234       self.end_headers()
 235       upfilecontent = query.get('upfile')
 236       print "filecontent", upfilecontent[0]
 237       self.wfile.write("<HTML>POST OK.<BR><BR>");
 238       self.wfile.write(upfilecontent[0]);
 239
 240 def main():
 241    global f,port,base,stylefile
 242    port = 8080
 243    base = "http://127.0.0.1:"+str(port)+"/"
 244    stylefile = base+"/style.css"
 245
 246    try:
 247       f = framework.Framework()
 248       server = HTTPServer(('', port), MyHandler)
 249       print 'Started httpserver on port',port
 250       print "Terminate with Ctrl+C"
 251       server.serve_forever()
 252    except KeyboardInterrupt:
 253       print '^C received, shutting down http server'
 254       f.Close()
 255       server.socket.close()
 256
 257 if __name__ == '__main__':
 258     main()