--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SrvTxtUtils.py	Mon Jul 25 16:50:48 2011 +0200
@@ -0,0 +1,83 @@
+"""Utility methods for handling XML, reading HTTP, etc"""
+
+import sys
+import urllib
+import urllib2
+import logging
+
+
+srvTxtUtilsVersion = "1.0"
+
+def getInt(number, default=0):
+    """returns always an int (0 in case of problems)"""
+    try:
+        return int(number)
+    except:
+        return int(default)
+
+def getText(node):
+    """returns all text content of a node and its subnodes"""
+    if node is None:
+        return ""
+    # ElementTree:
+    text = node.text or ""
+    for e in node:
+        text += gettext(e)
+        if e.tail:
+            text += e.tail
+
+    # 4Suite:
+    #nodelist=node.childNodes
+    #text = ""
+    #for n in nodelist:
+    #    if n.nodeType == node.TEXT_NODE:
+    #       text = text + n.data
+    
+    return text
+
+
+
+def getHttpData(url, data=None, num_tries=3, timeout=10):
+    """returns result from url+data HTTP request"""
+    # we do GET (by appending data to url)
+    if isinstance(data, str) or isinstance(data, unicode):
+        # if data is string then append
+        url = "%s?%s"%(url,data)
+    elif isinstance(data, dict) or isinstance(data, list) or isinstance(data, tuple):
+        # urlencode
+        url = "%s?%s"%(url,urllib.urlencode(data))
+    
+    response = None
+    errmsg = None
+    for cnt in range(num_tries):
+        try:
+            logging.debug("getHttpData(#%s %ss) url=%s"%(cnt+1,timeout,url))
+            if sys.version_info < (2, 6):
+                # set timeout on socket -- ugly :-(
+                import socket
+                socket.setdefaulttimeout(float(timeout))
+                response = urllib2.urlopen(url)
+            else:
+                # timeout as parameter
+                response = urllib2.urlopen(url,timeout=float(timeout))
+            # check result?
+            break
+        except urllib2.HTTPError, e:
+            logging.error("getHttpData: HTTP error(%s): %s"%(e.code,e))
+            errmsg = str(e)
+            # stop trying
+            break
+        except urllib2.URLError, e:
+            logging.error("getHttpData: URLLIB error(%s): %s"%(e.reason,e))
+            errmsg = str(e)
+            # stop trying
+            #break
+
+    if response is not None:
+        data = response.read()
+        response.close()
+        return data
+    
+    raise IOError("ERROR fetching HTTP data from %s: %s"%(url,errmsg))
+    #return None
+