python_multipart_couchdb_put

#!/usr/bin/env python

import sys, socket, hashlib
import couchdb
import base64


def setup_db(dbname, user, password, port):
    url = 'http://%s:%s@127.0.0.1:%d'% (user, password, port)
    print "url:", url
    srv=couchdb.Server(url)
    print "srv:", srv.resource.url
    if dbname in srv:
        print "Deleting previous db", dbname
        srv.delete(dbname)
        print
    srv.create(dbname)
    print "Created DB:", dbname
    srv

def get_body(att_size):
    att = 'x' * att_size
    att_md5  = hashlib.md5(att).digest().encode('base64').strip()
    return '\r\n'.join([
        '--195044bdf7abd8b23cce7b30d39a19dd',
        'Content-Type: application/json',
        '',
        '''{"_id":"doc2","_rev":"1-2df9eed63e6f4df24c6a7b593adfc195","_revisions":{"start":1,"ids":["2df9eed63e6f4df24c6a7b593adfc195"]},
           "_attachments":{"att2":{"content_type":"app/binary","revpos":1, "digest":"md5-%s", "length":%s, "follows":true}}}
        ''' % (att_md5, att_size),
        '--195044bdf7abd8b23cce7b30d39a19dd',
        'Content-Disposition: attachment; filename="att2"',
        'Content-Type: app/binary',
        'Content-Length: %s' % att_size,
        '',
        att,
        '--195044bdf7abd8b23cce7b30d39a19dd--',
        ])

def get_mp_request(dbname, port, att_size, user, pwd):
    body = get_body(att_size)
    b64 = base64.b64encode("%s:%s" % (user, pwd))
    return '\r\n'.join([
        'PUT /%s/doc2?new_edits=false HTTP/1.1' % dbname,
        'Authorization : Basic %s' % b64,
        'Content-Type: multipart/related; boundary="195044bdf7abd8b23cce7b30d39a19dd"',
        'Content-Length: %d' % (len(body)),
        'Accept: application/json',
        'Host: 127.0.0.1:%d' % port,
        '',
        body,
        ])

def send_recv(s,data):
    err = None
    try:
        s.sendall(data)
    except socket.error, e:
        err = e
        print "!!! Socket Error:",e
    print "Sent data:",len(data),"bytes"
    rdata = s.recv(4096)
    print "Received:",len(rdata),"bytes"
    print
    print >>sys.stderr,rdata
    return (rdata,err)

def main(user='adm',password='pass',port=15984, att_size=1):
    dbname = 'db'
    print "Settings DB:", dbname, "Port:", port, "User:", user, "Pass:", password, "Size:",att_size
    srv = setup_db(dbname, user, password, port)
    req = get_mp_request(dbname, port, att_size, user, password)
    s = socket.socket()
    s.connect(('127.0.0.1',port))
    print "Connected to localhost:",port
    rdata,err = send_recv(s,req)
    if len(rdata)==0:
        print "received 0 bytes, socket closed"
        return 0
    if err:
        print "error sending data", err
    if 'Connection: close' in rdata:
        return 1

if __name__=='__main__':
    import argparse
    p = argparse.ArgumentParser()
    p.add_argument('--port',type=int, default=15984)
    p.add_argument('--user', default='adm')
    p.add_argument('--password', default='pass')
    p.add_argument('--size',type=int, default=1)
    args = p.parse_args()
    sys.exit(main(args.user, args.password, args.port, args.size))