ECHO_content/ECHO_helpers.py - diff

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-version 1.19, 2004/09/09 16:56:37
+version 1.22, 2004/10/27 14:53:00
  Line 1
  import socket
  import urllib
+ import xml.dom.minidom
+ def getText(nodelist):
+     rc = ""
+     for node in nodelist:
+         if node.nodeType == node.TEXT_NODE:
+            rc = rc + node.data
+     return rc
+ def readFieldFromXML(meta_url,parent,field):
+     """lesespezifisches metadatum"""
+     try:
+         dom=xml.dom.minidom.parse(meta_url)
+     except:
+         try:
+             fh=urllib.urlopen(meta_url)
+             dom=xml.dom.minidom.parse(fh)
+             except:
+             return None
+     if not dom: return None
+     parent=dom.getElementsByTagName(parent)
+     if not dom: return None
+     field=parent[0].getElementsByTagName(field)
+     if not field: return None
+     return getText(field[0].childNodes)
  def urlopen(url):
      """urlopen mit timeout"""
+     socket.setdefaulttimeout(2)
+     ret=urllib.urlopen(url)
      socket.setdefaulttimeout(5)
-     return urllib.urlopen(url)
+     return ret
  #   urlopener = urllib.URLopener()
  #
  #   try: