member_list = []

        for member in members:

            member_list.append(member["username"])

        return member_list

    def get_group(self, name):

        """Return group info."""

        args = {"usersgroupid": name}

        return self.post("get_user_group", args)

    def get_user(self, username):

        """Return user info."""

        args = {"userid": username}

        return self.post("get_user", args)

class LdapClient(object):

    def __init__(self, uri, user, key, base_dn):

        self.client = ldap.initialize(uri, trace_level=0)

        self.client.set_option(ldap.OPT_REFERRALS, 0)

        self.client.simple_bind(user, key)

        self.base_dn = base_dn

        self.client.unbind()

    def get_groups(self):

        """Get all the groups in form of dict {group_name: group_info,...}."""

        searchFilter = "objectClass=groupOfUniqueNames"

        result = self.client.search_s(self.base_dn, ldap.SCOPE_SUBTREE,

                                      searchFilter)

        groups = {}

        for group in result:

            groups[group[1]['cn'][0]] = group[1]

        return groups

    def get_group_users(self, groups, group):

        """Returns all the users belonging to a single group.

        Based on the list of groups and memberships, returns all the

        users belonging to a single group, searching recursively.

        """

        users = []

        for member in groups[group]["uniqueMember"]:

            member = self.parse_member_string(member)

            if member[0] == "uid":

    def update_memberships_from_ldap(self, group):

        """Update memberships based on the LDAP groups."""

        groups = self.ldap_client.get_groups()

        group_users = self.ldap_client.get_group_users(groups, group)

        # Delete memberships first from each group which are not part

        # of the group any more.

        members = self.kallithea_api.get_group_members(group)

        for member in members:

            if member not in group_users:

                try:

                    self.kallithea_api.remove_membership(group,

                                                         member)

                except UserNotInGroupError:

                    pass

        # Add memberships.

        for member in group_users:

            try:

                self.kallithea_api.add_membership(group, member)

            except UserAlreadyInGroupError:

                # TODO: handle somehow maybe..

                pass

if __name__ == '__main__':

    sync = LdapSync()

    print(sync.update_groups_from_ldap())

    for gr in sync.ldap_client.get_groups():

        # TODO: exception when user does not exist during add membership...

        # How should we handle this.. Either sync users as well at this step,

        # or just ignore those who don't exist. If we want the second case,

        # we need to find a way to recognize the right exception (we always get

        # ResponseError with no error code so maybe by return msg (?)

        sync.update_memberships_from_ldap(gr)