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Oracle to h2DB migration in python #2

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Oracle to h2DB migration in python #2

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29 changes: 29 additions & 0 deletions src/chit_main_app/migrations/Oracle_h2.py
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Original file line number Diff line number Diff line change
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#file for oracle db migration
from __future__ import with_statement
from fabric.api import *
import os, sys, imp, re;
APP_ROOT = os.path.join(os.path.dirname(__file__), os.path.pardir)
sys.path += [APP_ROOT, os.path.join(APP_ROOT, 'lib')]
from support import config, get_db_handler

def list():
migrations = [
file for file in os.listdir('.')
if re.match('\d{4}-\d{2}-\d{2}.*(py|sql)$', file)
]
print('Migrations in descending order:')
print('')
for migration in sorted(migrations)[::-1]:
print(' - %s' % migration)

def migrate(migration):
filepath, extension = os.path.splitext(migration)
if extension == '.py':
migration = load_source('migration', os.path.join(APP_ROOT, 'migrations', migration))
migration.migrate(get_db_handler(config['db']))
elif extension == '.sql':
local('mysql -u root -p %s < %s' % (
config.db.database,
os.path.join(APP_ROOT, 'migrations', migration)
)
)