Looking for better way to iterate through nodes

Question

Currently I am doing 
 results = swis.query(sql_query)

in order to populate a list of nodes depending on which SWQL query I am using.  I suppose I don't fully understand the syntax, but I am looping through this list by doing: 
 for x in xrange(10000): 
   uri = results['results'][x][IP_Address] 
   swis.update(....)

I would like to have a better way to iterate through this list, but I don't fully understand how the list is generated and what results['results'][x][IP_Address] is doing.  I'd like some help understanding this further in order to hopefully come up with a cleaner way to iterate through the results list.

tdanner · Accepted Answer

swis.query(swql) returns an dictionary with a 'results' key. This value associated with the 'results' key property holds a list of dictionaries: the rows returned by your query. Each row is represented as a dictionary with a value for each property that was selected in your query. I'm not sure what you mean by a "better" way to iterate. Here's a variation: 
 results = swis.query('SELECT Uri FROM Orion.Nodes') 
 for node in results['results']: 
      uri = node['Uri'] 
      swis.update(uri, ...)

Looking for better way to iterate through nodes

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