ECHO_content/ECHO_helpers.py - diff

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-version 1.20, 2004/10/19 18:44:26
+version 1.21, 2004/10/27 14:23:24
  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:
+         fh=urllib.urlopen(meta_url)
+         dom=xml.dom.minidom.parse(fh)
+     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"""