user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)

    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)

    user = relationship('User')

    permission = relationship('Permission')

class UsersGroupToPerm(Base, BaseModel):

    __tablename__ = 'users_group_to_perm'

    __table_args__ = (UniqueConstraint('users_group_id', 'permission_id'), {'useexisting':True})

    users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

    users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)

    permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)

    users_group = relationship('UsersGroup')

    permission = relationship('Permission')

class GroupToPerm(Base, BaseModel):

    __tablename__ = 'group_to_perm'

    __table_args__ = (UniqueConstraint('group_id', 'permission_id'), {'useexisting':True})

    group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)

                    #means new added member to permissions

                    new_perm = value.get('perm_new_member', False)

                    new_member = value.get('perm_new_member_name', False)

                    new_type = value.get('perm_new_member_type')

                    if new_member and new_perm:

                            perms_new.append((new_member, new_perm, new_type))

                else:

                    usr = k[5:]

                    t = 'user'

                    if usr == 'default':

                        if value['private']:

                            #set none for default when updating to private repo

                            v = 'repository.none'

                    perms_update.append((usr, v, t))

        value['perms_updates'] = perms_update

        value['perms_new'] = perms_new

        sa = meta.Session

        for k, v, t in perms_new:

            try:

                if t is 'user':

                    self.user_db = sa.query(User)\

                        .filter(User.active == True)\

        description = UnicodeString(strip=True, min=1, not_empty=True)

        private = StringBoolean(if_missing=False)

        enable_statistics = StringBoolean(if_missing=False)

        enable_downloads = StringBoolean(if_missing=False)

        repo_type = OneOf(supported_backends)

        if edit:

            user = All(Int(not_empty=True), ValidRepoUser)

        chained_validators = [ValidPerms]

    return _RepoForm

def RepoForkForm(edit=False, old_data={}, supported_backends=BACKENDS.keys()):

import traceback

from datetime import datetime

from rhodecode.model import BaseModel

from rhodecode.model.caching_query import FromCache

from rhodecode.model.db import Repository, RepoToPerm, User, Permission, \

from rhodecode.model.user import UserModel

from vcs.backends import get_backend

log = logging.getLogger(__name__)

class RepoModel(BaseModel):

        return users_groups_array

    def update(self, repo_name, form_data):

        try:

            cur_repo = self.get_by_repo_name(repo_name, cache=False)

            user_model = UserModel(self.sa)

            #update permissions

            #set new permissions

            #update current repo

            for k, v in form_data.items():

                if k == 'user':

                    cur_repo.user = user_model.get(v)

                else: