def setup_database():
DATABASES = {"sqlite": {"driver": "sqlite", "database": "test.db"}}
db = DatabaseManager(DATABASES)
Schema(db)
Model.set_connection_resolver(db)
repository = DatabaseMigrationRepository(db, "migrations")
migrator = Migrator(repository, db)
if not repository.repository_exists():
repository.create_repository()
migrator.reset("app/migrations")
migrator.run("app/migrations")
class Migrations(HasColoredCommands):
def __init__(self, connection=None):
self._ran = []
self._notes = []
from config import database
database_dict = database.DB
self.repository = DatabaseMigrationRepository(database.DB,
'migrations')
self.migrator = Migrator(self.repository, database.DB)
if not connection or connection == 'default':
connection = database.DATABASES['default']
self.migrator.set_connection(connection)
if not self.repository.repository_exists():
self.repository.create_repository()
from wsgi import container
self.migration_directories = ['databases/migrations']
for key, value in container.providers.items():
if isinstance(key, str) and 'MigrationDirectory' in key:
self.migration_directories.append(value)
try:
add_venv_site_packages()
except ImportError:
self.comment(
'This command must be ran inside of the root of a Masonite project directory'
)
def run(self):
for directory in self.migration_directories:
try:
if len(self.migration_directories) > 1:
self.info('Migrating: {}'.format(directory))
self.migrator.run(directory)
self._ran.append(self.repository.get_ran())
self._notes = self.migrator._notes
except Exception as e:
self.danger(str(e))
return self
def rollback(self):
for directory in self.migration_directories:
try:
if len(self.migration_directories) > 1:
self.info('Migrating: {}'.format(directory))
self.migrator.rollback(directory)
self._ran.append(self.repository.get_ran())
self._notes = self.migrator._notes
except Exception as e:
self.danger(str(e))
return self
def refresh(self):
self.run()
self.rollback()
def reset(self):
for directory in self.migration_directories:
try:
if len(self.migration_directories) > 1:
self.info('Migrating: {}'.format(directory))
self.migrator.reset(directory)
self._ran.append(self.repository.get_ran())
self._notes = self.migrator._notes
except Exception as e:
self.danger(str(e))
return self
def ran(self):
return self._ran
class Migration(Migrator):
"""
Handles the actions to be performed on the Migration files
"""
def __init__(self):
"""
Initialize the Orator Migrator Class. Check if the migration table has been created. If not, Create the
Repository
"""
check, config = self.get_config()
if not check:
print("Error Occurred")
else:
self.manager = DatabaseManager(config=config)
self.path = os.path.abspath('.') + "/database/migrations/"
self.repository = DatabaseMigrationRepository(
resolver=self.manager, table='migrations')
if not self.repository.repository_exists():
self.repository.create_repository()
super().__init__(self.repository, self.manager)
def run_(self, pretend):
"""
Run the migration file
:param pretend: Determines whether to run the migration as a Simulation or not. Defaults to False
:return:
"""
self.run(self.path, pretend=pretend)
def rollback_(self, pretend):
"""
Roll Back the Last Migration
:param pretend: Determines whether to run the migration as a Simulation or not. Defaults to False
:return: int
"""
return self.rollback(self.path, pretend)
def reset_(self, pretend):
"""
Reset all the migrations that have been done
:param pretend: Determines whether to run the migration as a Simulation or not. Defaults to False
:return: int
"""
return self.reset(self.path, pretend)
@staticmethod
@check_environment
def get_config():
"""
Gets the config from the os.environ. This is used to create the config dict for use by the ORM
:return: str, dict
"""
db_type = os.getenv('DB_TYPE')
db_host = os.getenv('DB_HOST')
db_user = os.getenv('DB_USER')
db_database = os.getenv('DB_NAME')
db_password = os.getenv('DB_PASSWORD')
db_prefix = os.getenv('DB_PREFIX',
'') # Fix proposed by djunehor. Issue #20
check = Migration.check_packages(db_type)
return check, {
db_type: {
'driver': db_type.strip(),
'host': db_host.strip(),
'database': db_database.strip(),
'user': db_user.strip(),
'password': db_password.strip(),
'prefix': db_prefix.strip()
}
}
@staticmethod
def check_packages(db_name):
"""
Check if the driver for the user defined host is available. If it is not available, download it using PIP
:param db_name:
:return:
"""
click.echo('Checking for required Database Driver')
reqs = subprocess.check_output([sys.executable, '-m', 'pip', 'freeze'])
installed_packages = [r.decode().split('==')[0] for r in reqs.split()]
if db_name.lower() == 'mysql':
if 'PyMySQL' not in installed_packages:
click.echo('Installing required Database Driver')
click.echo(
subprocess.check_output(["pip", "install", "pymysql"]))
if db_name.lower() == 'postgresql':
if 'psycopg2-binary' not in installed_packages:
click.echo('Installing required Database Driver')
click.echo(
subprocess.check_output(
['pip', 'install', 'psycopg2-binary']))
return True
