More fixes to upgrade procedure,

- fix missing section on hook
- fixed missing inherit_default_permission column

rhodecode/lib/db_manage.py

@@ -1,582 +1,583 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.db_manage
     ~~~~~~~~~~~~~~~~~~~~~~~
 
     Database creation, and setup module for RhodeCode. Used for creation
     of database as well as for migration operations
 
     :created_on: Apr 10, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
 import sys
 import uuid
 import logging
 from os.path import dirname as dn, join as jn
 
 from rhodecode import __dbversion__
 
 from rhodecode.model.user import UserModel
 from rhodecode.lib.utils import ask_ok
 from rhodecode.model import init_model
 from rhodecode.model.db import User, Permission, RhodeCodeUi, \
     RhodeCodeSetting, UserToPerm, DbMigrateVersion, RepoGroup, \
     UserRepoGroupToPerm
 
 from sqlalchemy.engine import create_engine
 from sqlalchemy.schema import MetaData
 from rhodecode.model.repos_group import ReposGroupModel
 #from rhodecode.model import meta
 from rhodecode.model.meta import Session, Base
 
 
 log = logging.getLogger(__name__)
 
 
 class DbManage(object):
     def __init__(self, log_sql, dbconf, root, tests=False):
         self.dbname = dbconf.split('/')[-1]
         self.tests = tests
         self.root = root
         self.dburi = dbconf
         self.log_sql = log_sql
         self.db_exists = False
         self.init_db()
 
     def init_db(self):
         engine = create_engine(self.dburi, echo=self.log_sql)
         init_model(engine)
         self.sa = Session()
 
     def create_tables(self, override=False, defaults={}):
         """
         Create a auth database
         """
         quiet = defaults.get('quiet')
         log.info("Any existing database is going to be destroyed")
         if self.tests or quiet:
             destroy = True
         else:
             destroy = ask_ok('Are you sure to destroy old database ? [y/n]')
         if not destroy:
             sys.exit()
         if destroy:
             Base.metadata.drop_all()
 
         checkfirst = not override
         Base.metadata.create_all(checkfirst=checkfirst)
         log.info('Created tables for %s' % self.dbname)
 
     def set_db_version(self):
         ver = DbMigrateVersion()
         ver.version = __dbversion__
         ver.repository_id = 'rhodecode_db_migrations'
         ver.repository_path = 'versions'
         self.sa.add(ver)
         log.info('db version set to: %s' % __dbversion__)
 
     def upgrade(self):
         """
         Upgrades given database schema to given revision following
         all needed steps, to perform the upgrade
 
         """
 
         from rhodecode.lib.dbmigrate.migrate.versioning import api
         from rhodecode.lib.dbmigrate.migrate.exceptions import \
             DatabaseNotControlledError
 
         if 'sqlite' in self.dburi:
             print (
                '********************** WARNING **********************\n'
                'Make sure your version of sqlite is at least 3.7.X.  \n'
                'Earlier versions are known to fail on some migrations\n'
                '*****************************************************\n'
             )
         upgrade = ask_ok('You are about to perform database upgrade, make '
                          'sure You backed up your database before. '
                          'Continue ? [y/n]')
         if not upgrade:
             sys.exit('Nothing done')
 
         repository_path = jn(dn(dn(dn(os.path.realpath(__file__)))),
                              'rhodecode/lib/dbmigrate')
         db_uri = self.dburi
 
         try:
             curr_version = api.db_version(db_uri, repository_path)
             msg = ('Found current database under version'
                  ' control with version %s' % curr_version)
 
         except (RuntimeError, DatabaseNotControlledError):
             curr_version = 1
             msg = ('Current database is not under version control. Setting'
                    ' as version %s' % curr_version)
             api.version_control(db_uri, repository_path, curr_version)
 
         print (msg)
 
         if curr_version == __dbversion__:
             sys.exit('This database is already at the newest version')
 
         #======================================================================
         # UPGRADE STEPS
         #======================================================================
         class UpgradeSteps(object):
             """
             Those steps follow schema versions so for example schema
             for example schema with seq 002 == step_2 and so on.
             """
 
             def __init__(self, klass):
                 self.klass = klass
 
             def step_0(self):
                 # step 0 is the schema upgrade, and than follow proper upgrades
                 print ('attempting to do database upgrade to version %s' \
                                 % __dbversion__)
                 api.upgrade(db_uri, repository_path, __dbversion__)
                 print ('Schema upgrade completed')
 
             def step_1(self):
                 pass
 
             def step_2(self):
                 print ('Patching repo paths for newer version of RhodeCode')
                 self.klass.fix_repo_paths()
 
                 print ('Patching default user of RhodeCode')
                 self.klass.fix_default_user()
 
                 log.info('Changing ui settings')
                 self.klass.create_ui_settings()
 
             def step_3(self):
                 print ('Adding additional settings into RhodeCode db')
                 self.klass.fix_settings()
                 print ('Adding ldap defaults')
                 self.klass.create_ldap_options(skip_existing=True)
 
             def step_4(self):
                 print ('create permissions and fix groups')
                 self.klass.create_permissions()
                 self.klass.fixup_groups()
 
             def step_5(self):
                 pass
 
             def step_6(self):
                 print ('re-checking permissions')
                 self.klass.create_permissions()
 
                 print ('installing new hooks')
                 hooks4 = RhodeCodeUi()
+                hooks4.ui_section = 'hooks'
                 hooks4.ui_key = RhodeCodeUi.HOOK_PRE_PUSH
                 hooks4.ui_value = 'python:rhodecode.lib.hooks.pre_push'
                 Session().add(hooks4)
 
                 hooks6 = RhodeCodeUi()
                 hooks6.ui_section = 'hooks'
                 hooks6.ui_key = RhodeCodeUi.HOOK_PRE_PULL
                 hooks6.ui_value = 'python:rhodecode.lib.hooks.pre_pull'
                 Session().add(hooks6)
 
                 print ('installing hgsubversion option')
                 # enable hgsubversion disabled by default
                 hgsubversion = RhodeCodeUi()
                 hgsubversion.ui_section = 'extensions'
                 hgsubversion.ui_key = 'hgsubversion'
                 hgsubversion.ui_value = ''
                 hgsubversion.ui_active = False
                 Session().add(hgsubversion)
 
                 print ('installing hg git option')
                 # enable hggit disabled by default
                 hggit = RhodeCodeUi()
                 hggit.ui_section = 'extensions'
                 hggit.ui_key = 'hggit'
                 hggit.ui_value = ''
                 hggit.ui_active = False
                 Session().add(hggit)
 
                 print ('re-check default permissions')
                 self.klass.populate_default_permissions()
 
         upgrade_steps = [0] + range(curr_version + 1, __dbversion__ + 1)
 
         # CALL THE PROPER ORDER OF STEPS TO PERFORM FULL UPGRADE
         for step in upgrade_steps:
             print ('performing upgrade step %s' % step)
             getattr(UpgradeSteps(self), 'step_%s' % step)()
             self.sa.commit()
 
     def fix_repo_paths(self):
         """
         Fixes a old rhodecode version path into new one without a '*'
         """
 
         paths = self.sa.query(RhodeCodeUi)\
                 .filter(RhodeCodeUi.ui_key == '/')\
                 .scalar()
 
         paths.ui_value = paths.ui_value.replace('*', '')
 
         try:
             self.sa.add(paths)
             self.sa.commit()
         except:
             self.sa.rollback()
             raise
 
     def fix_default_user(self):
         """
         Fixes a old default user with some 'nicer' default values,
         used mostly for anonymous access
         """
         def_user = self.sa.query(User)\
                 .filter(User.username == 'default')\
                 .one()
 
         def_user.name = 'Anonymous'
         def_user.lastname = 'User'
         def_user.email = '[e-mail]'
 
         try:
             self.sa.add(def_user)
             self.sa.commit()
         except:
             self.sa.rollback()
             raise
 
     def fix_settings(self):
         """
         Fixes rhodecode settings adds ga_code key for google analytics
         """
 
         hgsettings3 = RhodeCodeSetting('ga_code', '')
 
         try:
             self.sa.add(hgsettings3)
             self.sa.commit()
         except:
             self.sa.rollback()
             raise
 
     def admin_prompt(self, second=False, defaults={}):
         if not self.tests:
             import getpass
 
             # defaults
             username = defaults.get('username')
             password = defaults.get('password')
             email = defaults.get('email')
 
             def get_password():
                 password = getpass.getpass('Specify admin password '
                                            '(min 6 chars):')
                 confirm = getpass.getpass('Confirm password:')
 
                 if password != confirm:
                     log.error('passwords mismatch')
                     return False
                 if len(password) < 6:
                     log.error('password is to short use at least 6 characters')
                     return False
 
                 return password
             if username is None:
                 username = raw_input('Specify admin username:')
             if password is None:
                 password = get_password()
                 if not password:
                     #second try
                     password = get_password()
                     if not password:
                         sys.exit()
             if email is None:
                 email = raw_input('Specify admin email:')
             self.create_user(username, password, email, True)
         else:
             log.info('creating admin and regular test users')
             from rhodecode.tests import TEST_USER_ADMIN_LOGIN, \
             TEST_USER_ADMIN_PASS, TEST_USER_ADMIN_EMAIL, \
             TEST_USER_REGULAR_LOGIN, TEST_USER_REGULAR_PASS, \
             TEST_USER_REGULAR_EMAIL, TEST_USER_REGULAR2_LOGIN, \
             TEST_USER_REGULAR2_PASS, TEST_USER_REGULAR2_EMAIL
 
             self.create_user(TEST_USER_ADMIN_LOGIN, TEST_USER_ADMIN_PASS,
                              TEST_USER_ADMIN_EMAIL, True)
 
             self.create_user(TEST_USER_REGULAR_LOGIN, TEST_USER_REGULAR_PASS,
                              TEST_USER_REGULAR_EMAIL, False)
 
             self.create_user(TEST_USER_REGULAR2_LOGIN, TEST_USER_REGULAR2_PASS,
                              TEST_USER_REGULAR2_EMAIL, False)
 
     def create_ui_settings(self):
         """
         Creates ui settings, fills out hooks
         and disables dotencode
         """
 
         #HOOKS
         hooks1_key = RhodeCodeUi.HOOK_UPDATE
         hooks1_ = self.sa.query(RhodeCodeUi)\
             .filter(RhodeCodeUi.ui_key == hooks1_key).scalar()
 
         hooks1 = RhodeCodeUi() if hooks1_ is None else hooks1_
         hooks1.ui_section = 'hooks'
         hooks1.ui_key = hooks1_key
         hooks1.ui_value = 'hg update >&2'
         hooks1.ui_active = False
         self.sa.add(hooks1)
 
         hooks2_key = RhodeCodeUi.HOOK_REPO_SIZE
         hooks2_ = self.sa.query(RhodeCodeUi)\
             .filter(RhodeCodeUi.ui_key == hooks2_key).scalar()
         hooks2 = RhodeCodeUi() if hooks2_ is None else hooks2_
         hooks2.ui_section = 'hooks'
         hooks2.ui_key = hooks2_key
         hooks2.ui_value = 'python:rhodecode.lib.hooks.repo_size'
         self.sa.add(hooks2)
 
         hooks3 = RhodeCodeUi()
         hooks3.ui_section = 'hooks'
         hooks3.ui_key = RhodeCodeUi.HOOK_PUSH
         hooks3.ui_value = 'python:rhodecode.lib.hooks.log_push_action'
         self.sa.add(hooks3)
 
         hooks4 = RhodeCodeUi()
         hooks4.ui_section = 'hooks'
         hooks4.ui_key = RhodeCodeUi.HOOK_PRE_PUSH
         hooks4.ui_value = 'python:rhodecode.lib.hooks.pre_push'
         self.sa.add(hooks4)
 
         hooks5 = RhodeCodeUi()
         hooks5.ui_section = 'hooks'
         hooks5.ui_key = RhodeCodeUi.HOOK_PULL
         hooks5.ui_value = 'python:rhodecode.lib.hooks.log_pull_action'
         self.sa.add(hooks5)
 
         hooks6 = RhodeCodeUi()
         hooks6.ui_section = 'hooks'
         hooks6.ui_key = RhodeCodeUi.HOOK_PRE_PULL
         hooks6.ui_value = 'python:rhodecode.lib.hooks.pre_pull'
         self.sa.add(hooks6)
 
         # enable largefiles
         largefiles = RhodeCodeUi()
         largefiles.ui_section = 'extensions'
         largefiles.ui_key = 'largefiles'
         largefiles.ui_value = ''
         self.sa.add(largefiles)
 
         # enable hgsubversion disabled by default
         hgsubversion = RhodeCodeUi()
         hgsubversion.ui_section = 'extensions'
         hgsubversion.ui_key = 'hgsubversion'
         hgsubversion.ui_value = ''
         hgsubversion.ui_active = False
         self.sa.add(hgsubversion)
 
         # enable hggit disabled by default
         hggit = RhodeCodeUi()
         hggit.ui_section = 'extensions'
         hggit.ui_key = 'hggit'
         hggit.ui_value = ''
         hggit.ui_active = False
         self.sa.add(hggit)
 
     def create_ldap_options(self, skip_existing=False):
         """Creates ldap settings"""
 
         for k, v in [('ldap_active', 'false'), ('ldap_host', ''),
                     ('ldap_port', '389'), ('ldap_tls_kind', 'PLAIN'),
                     ('ldap_tls_reqcert', ''), ('ldap_dn_user', ''),
                     ('ldap_dn_pass', ''), ('ldap_base_dn', ''),
                     ('ldap_filter', ''), ('ldap_search_scope', ''),
                     ('ldap_attr_login', ''), ('ldap_attr_firstname', ''),
                     ('ldap_attr_lastname', ''), ('ldap_attr_email', '')]:
 
             if skip_existing and RhodeCodeSetting.get_by_name(k) != None:
                 log.debug('Skipping option %s' % k)
                 continue
             setting = RhodeCodeSetting(k, v)
             self.sa.add(setting)
 
     def fixup_groups(self):
         def_usr = User.get_by_username('default')
         for g in RepoGroup.query().all():
             g.group_name = g.get_new_name(g.name)
             self.sa.add(g)
             # get default perm
             default = UserRepoGroupToPerm.query()\
                 .filter(UserRepoGroupToPerm.group == g)\
                 .filter(UserRepoGroupToPerm.user == def_usr)\
                 .scalar()
 
             if default is None:
                 log.debug('missing default permission for group %s adding' % g)
                 ReposGroupModel()._create_default_perms(g)
 
     def config_prompt(self, test_repo_path='', retries=3, defaults={}):
         _path = defaults.get('repos_location')
         if retries == 3:
             log.info('Setting up repositories config')
 
         if _path is not None:
             path = _path
         elif not self.tests and not test_repo_path:
             path = raw_input(
                  'Enter a valid absolute path to store repositories. '
                  'All repositories in that path will be added automatically:'
             )
         else:
             path = test_repo_path
         path_ok = True
 
         # check proper dir
         if not os.path.isdir(path):
             path_ok = False
             log.error('Given path %s is not a valid directory' % path)
 
         elif not os.path.isabs(path):
             path_ok = False
             log.error('Given path %s is not an absolute path' % path)
 
         # check write access
         elif not os.access(path, os.W_OK) and path_ok:
             path_ok = False
             log.error('No write permission to given path %s' % path)
 
         if retries == 0:
             sys.exit('max retries reached')
         if path_ok is False:
             retries -= 1
             return self.config_prompt(test_repo_path, retries)
 
         return path
 
     def create_settings(self, path):
 
         self.create_ui_settings()
 
         #HG UI OPTIONS
         web1 = RhodeCodeUi()
         web1.ui_section = 'web'
         web1.ui_key = 'push_ssl'
         web1.ui_value = 'false'
 
         web2 = RhodeCodeUi()
         web2.ui_section = 'web'
         web2.ui_key = 'allow_archive'
         web2.ui_value = 'gz zip bz2'
 
         web3 = RhodeCodeUi()
         web3.ui_section = 'web'
         web3.ui_key = 'allow_push'
         web3.ui_value = '*'
 
         web4 = RhodeCodeUi()
         web4.ui_section = 'web'
         web4.ui_key = 'baseurl'
         web4.ui_value = '/'
 
         paths = RhodeCodeUi()
         paths.ui_section = 'paths'
         paths.ui_key = '/'
         paths.ui_value = path
 
         phases = RhodeCodeUi()
         phases.ui_section = 'phases'
         phases.ui_key = 'publish'
         phases.ui_value = False
 
         sett1 = RhodeCodeSetting('realm', 'RhodeCode authentication')
         sett2 = RhodeCodeSetting('title', 'RhodeCode')
         sett3 = RhodeCodeSetting('ga_code', '')
 
         sett4 = RhodeCodeSetting('show_public_icon', True)
         sett5 = RhodeCodeSetting('show_private_icon', True)
         sett6 = RhodeCodeSetting('stylify_metatags', False)
 
         self.sa.add(web1)
         self.sa.add(web2)
         self.sa.add(web3)
         self.sa.add(web4)
         self.sa.add(paths)
         self.sa.add(sett1)
         self.sa.add(sett2)
         self.sa.add(sett3)
         self.sa.add(sett4)
         self.sa.add(sett5)
         self.sa.add(sett6)
 
         self.create_ldap_options()
 
         log.info('created ui config')
 
     def create_user(self, username, password, email='', admin=False):
         log.info('creating user %s' % username)
         UserModel().create_or_update(username, password, email,
                                      firstname='RhodeCode', lastname='Admin',
                                      active=True, admin=admin)
 
     def create_default_user(self):
         log.info('creating default user')
         # create default user for handling default permissions.
         UserModel().create_or_update(username='default',
                               password=str(uuid.uuid1())[:8],
                               email='[e-mail]',
                               firstname='Anonymous', lastname='User')
 
     def create_permissions(self):
         # module.(access|create|change|delete)_[name]
         # module.(none|read|write|admin)
 
         for p in Permission.PERMS:
             if not Permission.get_by_key(p[0]):
                 new_perm = Permission()
                 new_perm.permission_name = p[0]
                 new_perm.permission_longname = p[0]
                 self.sa.add(new_perm)
 
     def populate_default_permissions(self):
         log.info('creating default user permissions')
 
         default_user = User.get_by_username('default')
 
         for def_perm in ['hg.register.manual_activate', 'hg.create.repository',
                          'hg.fork.repository', 'repository.read']:
 
             perm = self.sa.query(Permission)\
              .filter(Permission.permission_name == def_perm)\
              .scalar()
             if not perm:
                 raise Exception(
                   'CRITICAL: permission %s not found inside database !!'
                   % def_perm
                 )
             if not UserToPerm.query()\
                 .filter(UserToPerm.permission == perm)\
                 .filter(UserToPerm.user == default_user).scalar():
                 reg_perm = UserToPerm()
                 reg_perm.user = default_user
                 reg_perm.permission = perm
                 self.sa.add(reg_perm)

rhodecode/lib/dbmigrate/versions/006_version_1_4_0.py

@@ -1,162 +1,173 b''
 import logging
 import datetime
 
 from sqlalchemy import *
 from sqlalchemy.exc import DatabaseError
 from sqlalchemy.orm import relation, backref, class_mapper
 from sqlalchemy.orm.session import Session
 from sqlalchemy.ext.declarative import declarative_base
 
 from rhodecode.lib.dbmigrate.migrate import *
 from rhodecode.lib.dbmigrate.migrate.changeset import *
 
 from rhodecode.model.meta import Base
 from rhodecode.model import meta
 
 log = logging.getLogger(__name__)
 
 
 def upgrade(migrate_engine):
     """
     Upgrade operations go here.
     Don't create your own engine; bind migrate_engine to your metadata
     """
 
     #==========================================================================
     # USEREMAILMAP
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_4_0 import UserEmailMap
     tbl = UserEmailMap.__table__
     tbl.create()
     #==========================================================================
     # PULL REQUEST
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_4_0 import PullRequest
     tbl = PullRequest.__table__
     tbl.create()
 
     #==========================================================================
     # PULL REQUEST REVIEWERS
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_4_0 import PullRequestReviewers
     tbl = PullRequestReviewers.__table__
     tbl.create()
 
     #==========================================================================
     # CHANGESET STATUS
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_4_0 import ChangesetStatus
     tbl = ChangesetStatus.__table__
     tbl.create()
 
     ## RESET COMPLETLY THE metadata for sqlalchemy to use the 1_3_0 Base 
     Base = declarative_base()
     Base.metadata.clear()
     Base.metadata = MetaData()
     Base.metadata.bind = migrate_engine
     meta.Base = Base
 
     #==========================================================================
     # USERS TABLE
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_3_0 import User
     tbl = User.__table__
 
     # change column name -> firstname
     col = User.__table__.columns.name
     col.alter(index=Index('u_username_idx', 'username'))
     col.alter(index=Index('u_email_idx', 'email'))
     col.alter(name="firstname", table=tbl)
 
     inherit_default_permissions = Column("inherit_default_permissions",
                                          Boolean(), nullable=True, unique=None,
                                          default=True)
     inherit_default_permissions.create(table=tbl)
     inherit_default_permissions.alter(nullable=False, default=True, table=tbl)
 
     #==========================================================================
+    # GROUPS TABLE
+    #==========================================================================
+    from rhodecode.lib.dbmigrate.schema.db_1_3_0 import RepoGroup
+    tbl = RepoGroup.__table__
+    inherit_default_permissions = Column("inherit_default_permissions",
+                                         Boolean(), nullable=True, unique=None,
+                                         default=True)
+    inherit_default_permissions.create(table=tbl)
+    inherit_default_permissions.alter(nullable=False, default=True, table=tbl)
+
+    #==========================================================================
     # REPOSITORIES
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_3_0 import Repository
     tbl = Repository.__table__
 
     enable_locking = Column("enable_locking", Boolean(), nullable=True,
                             unique=None, default=False)
     enable_locking.create(table=tbl)
     enable_locking.alter(nullable=False, default=False, table=tbl)
 
     _locked = Column("locked", String(255), nullable=True, unique=False,
                      default=None)
     _locked.create(table=tbl)
 
     landing_rev = Column("landing_revision", String(255), nullable=True,
                          unique=False, default='tip')
     landing_rev.create(table=tbl)
     landing_rev.alter(nullable=False, default='tip', table=tbl)
 
     #==========================================================================
     # GROUPS
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_3_0 import RepoGroup
     tbl = RepoGroup.__table__
     enable_locking = Column("enable_locking", Boolean(), nullable=True,
                             unique=None, default=False)
     enable_locking.create(table=tbl)
     enable_locking.alter(nullable=False, default=False)
 
     #==========================================================================
     # CACHE INVALIDATION
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_3_0 import CacheInvalidation
     tbl = CacheInvalidation.__table__
 
     # change column name -> firstname
     col = CacheInvalidation.__table__.columns.cache_key
     col.alter(index=Index('key_idx', 'cache_key'))
 
     #==========================================================================
     # NOTIFICATION
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_3_0 import Notification
     tbl = Notification.__table__
 
     # change column name -> firstname
     col = Notification.__table__.columns.type
     col.alter(index=Index('notification_type_idx', 'type'),)
 
     #==========================================================================
     # CHANGESET_COMMENTS
     #==========================================================================
     from rhodecode.lib.dbmigrate.schema.db_1_3_0 import ChangesetComment
 
     tbl = ChangesetComment.__table__
 
     col = ChangesetComment.__table__.columns.revision
     col.alter(index=Index('cc_revision_idx', 'revision'),)
 
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     hl_lines.create(table=tbl)
 
     created_on = Column('created_on', DateTime(timezone=False), nullable=True,
                         default=datetime.datetime.now)
     created_on.create(table=tbl)
     created_on.alter(nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False,
                          default=datetime.datetime.now)
     modified_at.alter(type=DateTime(timezone=False), table=tbl)
 
     pull_request_id = Column("pull_request_id", Integer(),
                              ForeignKey('pull_requests.pull_request_id'),
                              nullable=True)
     pull_request_id.create(table=tbl)
     ## RESET COMPLETLY THE metadata for sqlalchemy back after using 1_3_0
     Base = declarative_base()
     Base.metadata.clear()
     Base.metadata = MetaData()
     Base.metadata.bind = migrate_engine
     meta.Base = Base
 
 
 def downgrade(migrate_engine):
     meta = MetaData()
     meta.bind = migrate_engine