someview.py

#!/usr/bin/env python

import sys, couchdb

DBURL='http://adm:pass@localhost:15984'

V = 'v'*1
def add_view(db):
    db['_design/d1'] = {
        "views": {
            "v1": { "map": 'function(d){ emit(d._id, "%s"); }' % V,
               #     "reduce" : '_count'
            }
        }
    }


def main(dbname, n, b):
    print "DB URL:",DBURL,"DB Name:",dbname
    print "Batches: ",n,"Batchsize:",b,"Total:",n*b
    s = couchdb.Server(DBURL)
    if dbname in set(s): s.delete(dbname)
    db = s.create(dbname)
    add_view(db)
    for i in range(n):
       db.update([{'_id':str(i*b+j)} for j in range(b)])
    # query the view
    vrs = db.view("d1/v1")
    print "View Results: "
    for vr in vrs:
        print " -", vr.key, ":", vr.value

if __name__=='__main__':
    args=sys.argv[1:]
    if len(args)==3:
        dbname, n, b = args[0], int(args[1]), int(args[2])
        print ">>> dbname:", dbname, "n:", n, "b:", b
    else:
        raise Exception("Invalid arguments need dbname, numbatches, batchsize")
    main(dbname, n, b)