couchview.py

"""Utility to iterate over couchdb view result."""

import urllib
import simplejson

class Result:
    def __init__(self, total_rows, offset, data):
        self.total_rows = total_rows
        self.offset = offset
        self._data = data
        
    def __iter__(self):
        return iter(self._data)

def couchview(url):
    result = urllib.urlopen(url)
    
    head = result.readline() + ']}'
    head = simplejson.loads(head)
    
    def parse():
        while True:
            row = result.readline().rstrip().rstrip(',')
            if row and row != ']}':
                yield simplejson.loads(row)
            else:
                break
                
    return Result(head['total_rows'], head['offset'], parse())
    
def main(url):
    result = couchview(url)
    print result.total_rows, result.offset
    for row in result:
        print row

if __name__ == "__main__":
    import sys
    main(sys.argv[1])