made the 'get' function global to allow calls from other modules.

diff --git a/comon.py b/comon.py
index 1182114..75d4165 100755 (executable)
--- a/comon.py
+++ b/comon.py
@@ -40,6 +40,40 @@ COMONURL = "http://summer.cs.princeton.edu/status/tabulator.cgi?table=table_node
 #      3 == rins
 #      4 == ins
 
+def _tohash(rawdata):
+       # First line Comon returns is list of keys with respect to index
+       keys = rawdata.readline().rstrip().split(", ")
+       l_host = []
+       hash = {}
+       try:
+               i_ignored = 0
+               for line in rawdata.readlines():
+                       l_host = line.rstrip().split(", ")              # split the line on ', '
+                       hostname = l_host[0]
+                       hash[hostname] = {}
+                       for i in range(1,len(keys)):
+                               hash[hostname][keys[i]]=l_host[i]
+
+       except Exception, err:
+               logger.debug("No hosts retrieved")      
+               return {} 
+       return hash
+
+def comonget(url):
+       rawdata = None
+       print "Getting: %s" % url
+       try:
+               coserv = urllib2.Request(url)
+               coserv.add_header('User-Agent', 'PL_Monitor +http://monitor.planet-lab.org/')
+               opener = urllib2.build_opener()
+               # Initial web get from summer.cs in CSV
+               rawdata = opener.open(coserv)
+       except urllib2.URLError, (err):
+               print "Attempting %s" %COMONURL
+               print "URL error (%s)" % (err)
+               rawdata = None
+       return _tohash(rawdata)
+
 
 class Comon(Thread): 
        """