initialize_db.py
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import os
import sys
import csv
import subprocess
from getpass import getpass
from argparse import ArgumentParser
import transaction
from ziggurat_foundations.models.services.user import UserService
from pyramid.paster import (
get_appsettings,
setup_logging,
)
from pyramid.i18n import (
Localizer,
TranslationStringFactory,
Translations,
)
from ..models import (
get_engine,
get_session_factory,
get_tm_session,
)
from ..models.ziggurat import (
Group,
GroupPermission,
UserGroup,
User,
)
from ..models.meta import (
metadata,
Base,
)
from ..models.conf import Conf
domain = 'initialize_db'
_ = TranslationStringFactory(domain)
my_registry = dict()
class MyLocalizer:
def __init__(self):
settings = my_registry['settings']
locale_name = settings['pyramid.default_locale_name']
here = os.path.abspath(os.path.dirname(__file__))
locale_dir = os.path.join(here, '..', 'locale')
translations = Translations.load(locale_dir, [locale_name], domain)
self.localizer = Localizer(locale_name, translations)
def translate(self, ts):
return self.localizer.translate(ts)
def read_file(filename):
f = open(filename)
s = f.read()
f.close()
return s
def alembic_run(ini_file):
bin_path = os.path.split(sys.executable)[0]
alembic_bin = os.path.join(bin_path, 'alembic')
command = (alembic_bin, '-c', ini_file, 'upgrade', 'head')
if subprocess.call(command) != 0:
sys.exit()
def get_file(filename):
base_dir = os.path.split(__file__)[0]
fullpath = os.path.join(base_dir, 'data', filename)
return open(fullpath)
def ask_password(name):
localizer = MyLocalizer()
data = dict(name=name)
t_msg1 = _(
'ask-password-1', default='Enter new password for ${name}: ',
mapping=data)
t_msg2 = _(
'ask-password-2', default='Retype new password for ${name}: ',
mapping=data)
msg1 = localizer.translate(t_msg1)
msg2 = localizer.translate(t_msg2)
while True:
pass1 = getpass(msg1)
if not pass1:
continue
pass2 = getpass(msg2)
if pass1 == pass2:
return pass1
ts = _('Sorry, passwords do not match')
print(localizer.translate(ts))
def restore_csv(table, filename):
DBSession = my_registry['dbsession']
q = DBSession.query(table)
if q.first():
return
with get_file(filename) as f:
reader = csv.DictReader(f)
for cf in reader:
row = table()
for fieldname in cf:
val = cf[fieldname]
if not val:
continue
setattr(row, fieldname, val)
DBSession.add(row)
return True
def append_csv(table, filename, keys):
DBSession = my_registry['dbsession']
with get_file(filename) as f:
reader = csv.DictReader(f)
filter_ = dict()
for cf in reader:
for key in keys:
filter_[key] = cf[key]
q = DBSession.query(table).filter_by(**filter_)
found = q.first()
if found:
continue
row = table()
for fieldname in cf:
val = cf[fieldname]
if not val:
continue
setattr(row, fieldname, val)
DBSession.add(row)
def setup_models(dbsession):
metadata.create_all(dbsession.bind)
append_csv(Conf, 'conf.csv', ['nama'])
if restore_csv(User, 'users.csv'):
dbsession.flush()
q = dbsession.query(User).filter_by(id=1)
user = q.first()
password = ask_password(user.user_name)
UserService.set_password(user, password)
append_csv(Group, 'groups.csv', ['group_name'])
restore_csv(UserGroup, 'users_groups.csv')
def parse_args(argv):
parser = ArgumentParser()
parser.add_argument(
'config_uri',
help='Configuration file, e.g., development.ini',
)
return parser.parse_args(argv[1:])
def main(argv=sys.argv):
args = parse_args(argv)
setup_logging(args.config_uri)
my_registry['settings'] = settings = get_appsettings(args.config_uri)
engine = get_engine(settings)
Base.metadata.create_all(engine)
alembic_run(args.config_uri)
session_factory = get_session_factory(engine)
with transaction.manager:
my_registry['dbsession'] = dbsession = get_tm_session(
session_factory, transaction.manager)
setup_models(dbsession)