The below is an example program for syncing repositories between Atlassian's Bitbucket Server (formerly known as Stash) and searchcode server.

import stashy
from hashlib import sha1
from hmac import new as hmac
import urllib2
import json
import urllib

def getstashrepos():
    stash = stashy.connect("https://mystashserver/", "STASH_USERNAME", "STASH_PASSWORD")

    projects = stash.projects.list()
    repos = [stash.projects[x['key']].repos.list() for x in projects]

    stashrepos = []

    for repo in repos:
        stashrepos = stashrepos + [{'name': x['project']['key'] + '-' + x['slug'],
                                    'cloneUrl': x['cloneUrl'],
                                    'browse': x['links']['self'][0]['href']} for x in repo]

    return stashrepos

def addtosearchcode(repo):
    reponame = repo['name']
    repourl = repo['cloneUrl']
    repotype = "git"
    repousername = "STASH_USERNAME"
    repopassword = "STASH_PASSWORD"
    reposource = repo['browse']
    repobranch = "master"

    message = "pub=%s&reponame=%s&repourl=%s&repotype=%s&repousername=%s&repopassword=%s&reposource=%s&repobranch=%s" % (
            urllib.quote_plus(publickey),
            urllib.quote_plus(reponame),
            urllib.quote_plus(repourl),
            urllib.quote_plus(repotype),
            urllib.quote_plus(repousername),
            urllib.quote_plus(repopassword),
            urllib.quote_plus(reposource),
            urllib.quote_plus(repobranch)
        )

    sig = hmac(privatekey, message, sha1).hexdigest()

    url = "http://mysearchcodeserver/api/repo/add/?sig=%s&%s" % (urllib.quote_plus(sig), message)

    data = urllib2.urlopen(url)
    data = data.read()

    data = json.loads(data)
    print reponame, data['sucessful'], data['message']


publickey = "MY_SEARCHCODE_PUBLIC_KEY"
privatekey = "MY_SEARCHCODE_PRIVATE_KEY"

message = "pub=%s" % (urllib.quote_plus(publickey))

sig = hmac(privatekey, message, sha1).hexdigest()
url = "http://mysearchcodeserver/api/repo/list/?sig=%s&%s" % (urllib.quote_plus(sig), message)

data = urllib2.urlopen(url)
data = data.read()

data = json.loads(data)
existingrepos = [x['name'] for x in data['repoResultList']]

for repo in getstashrepos():
    if repo['name'] not in existingrepos:
        addtosearchcode(repo)