def staging_env(create=True, template="generic", sourceless=False):
from alembic import command, script
cfg = _testing_config()
if create:
path = os.path.join(_get_staging_directory(), "scripts")
if os.path.exists(path):
shutil.rmtree(path)
command.init(cfg, path, template=template)
if sourceless:
try:
# do an import so that a .pyc/.pyo is generated.
util.load_python_file(path, "env.py")
except AttributeError:
# we don't have the migration context set up yet
# so running the .env py throws this exception.
# theoretically we could be using py_compiler here to
# generate .pyc/.pyo without importing but not really
# worth it.
pass
assert sourceless in (
"pep3147_envonly",
"simple",
"pep3147_everything",
), sourceless
make_sourceless(
os.path.join(path, "env.py"),
"pep3147" if "pep3147" in sourceless else "simple",
)
sc = script.ScriptDirectory.from_config(cfg)
return sc
def test_init_file_doesnt_exist(self):
def access_(path, mode):
if "generic" in path:
return True
else:
return False
template_dir = self.cfg.get_template_directory()
with mock.patch(
"alembic.command.os.access", side_effect=access_
) as access, mock.patch(
"alembic.command.os.makedirs"
) as makedirs, mock.patch(
"alembic.command.ScriptDirectory"
):
command.init(self.cfg, directory="foobar")
eq_(
access.mock_calls,
[
mock.call("foobar", os.F_OK),
mock.call(os.path.join(template_dir, "generic"), os.F_OK),
mock.call("foobar", os.F_OK),
mock.call(
os.path.abspath("./scratch/test_alembic.ini"), os.F_OK
),
],
)
eq_(
makedirs.mock_calls,
[mock.call("foobar"), mock.call("foobar/versions")],
)
def init(directory):
"Generates a new migration"
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = 'alembic.ini'
command.init(config, directory, 'flask')
os.rename('alembic.ini', os.path.join(directory, 'alembic.ini'))
def staging_env(create=True, template="generic", sourceless=False):
from alembic import command, script
cfg = _testing_config()
if create:
path = os.path.join(_get_staging_directory(), "scripts")
assert not os.path.exists(path), (
"staging directory %s already exists; poor cleanup?" % path)
command.init(cfg, path, template=template)
if sourceless:
try:
# do an import so that a .pyc/.pyo is generated.
util.load_python_file(path, "env.py")
except AttributeError:
# we don't have the migration context set up yet
# so running the .env py throws this exception.
# theoretically we could be using py_compiler here to
# generate .pyc/.pyo without importing but not really
# worth it.
pass
assert sourceless in (
"pep3147_envonly",
"simple",
"pep3147_everything",
), sourceless
make_sourceless(
os.path.join(path, "env.py"),
"pep3147" if "pep3147" in sourceless else "simple",
)
sc = script.ScriptDirectory.from_config(cfg)
return sc
def initializeDatabase(cls, databaseUrl):
migrationRootPath = PyGlassModelUtils.getMigrationPathFromDatabaseUrl(databaseUrl, root=True)
migrationPath = PyGlassModelUtils.getMigrationPathFromDatabaseUrl(databaseUrl)
configPath = os.path.join(migrationPath, 'alembic.ini')
workingPath = os.curdir
if not os.path.exists(migrationRootPath):
os.makedirs(migrationRootPath)
if os.path.exists(migrationPath + 'alembic.ini'):
return False
os.chdir(migrationRootPath)
config = alembicConfig.Config()
config.config_file_name = configPath
alembicCmd.init(
config=config,
directory=migrationPath
)
# Refresh config with proper settings
cp = ConfigParser.ConfigParser()
cp.read(configPath)
cp.set('alembic', 'sqlalchemy.url', PyGlassModelUtils.getEngineUrl(databaseUrl))
f = open(configPath, 'w+')
cp.write(f)
f.close()
os.chdir(workingPath)
return True
def init(self):
"""Initializes Alembic migrations for the project.
"""
config = self.alembic_config(with_ini=False)
config.config_file_name = self.alembic_config_file
alembic_command.init(config, config.get_main_option('script_location'), 'watson')
return True
def test_init_file_exists_and_is_empty(self):
def access_(path, mode):
if "generic" in path or path == "foobar":
return True
else:
return False
def listdir_(path):
if path == "foobar":
return []
else:
return ["file1", "file2", "alembic.ini.mako"]
with mock.patch(
"alembic.command.os.access", side_effect=access_
), mock.patch("alembic.command.os.makedirs") as makedirs, mock.patch(
"alembic.command.os.listdir", side_effect=listdir_
), mock.patch(
"alembic.command.ScriptDirectory"
):
command.init(self.cfg, directory="foobar")
eq_(
makedirs.mock_calls,
[mock.call(os.path.normpath("foobar/versions"))],
)
def init(directory=None):
"Generates a new migration"
if directory is None:
directory = current_app.extensions["migrate"].directory
config = Config()
config.set_main_option("script_location", directory)
config.config_file_name = os.path.join(directory, "alembic.ini")
command.init(config, directory, "flask")
def init(directory, ignore, db_url):
"""
Init the db tools
"""
alembic_cfg = Config('migrations/alembic.ini')
script_location = os.path.join(current_work_dir, 'migrations')
command.init(alembic_cfg, script_location)
_update_alembic_config_file(directory, ignore, db_url)
def init(directory=None):
"""Generates a new migration"""
if directory is None:
directory = current_app.extensions['migrate'].directory
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
command.init(config, directory, 'flask')
def init(directory=None):
"""Generates a new migration"""
if directory is None:
directory = current_app.extensions['migrate'].directory
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
command.init(config, directory, 'flask')
def init(app, directory: 'location of scripts directory' = None):
"""Initialize a new scripts directory."""
directory = directory or app.settings['DATABASE_MIGRATIONS_DIRECTORY']
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
alembic.init(config, directory=directory, template='henson')
def init(context, directory='migrations', multidb=False):
"""Generates a new migration"""
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini') # pylint: disable=W0201
if multidb:
command.init(config, directory, 'flask-multidb')
else:
command.init(config, directory, 'flask')
def init(context, directory='migrations', multidb=False):
"""Generates a new migration"""
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
if multidb:
command.init(config, directory, 'flask-multidb')
else:
command.init(config, directory, 'flask')
def init(directory, multidb):
"""Generates a new migration"""
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
if multidb:
command.init(config, directory, 'flask-multidb')
else:
command.init(config, directory, 'flask')
def init(context, directory="migrations", multidb=False):
"""Generates a new migration"""
config = Config()
config.set_main_option("script_location", directory)
config.config_file_name = os.path.join(directory, "alembic.ini")
if multidb:
command.init(config, directory, "flask-multidb")
else:
command.init(config, directory, "flask")
def init(app, directory: 'location of scripts directory' = None):
"""Initialize a new scripts directory."""
directory = directory or app.settings['DATABASE_MIGRATIONS_DIRECTORY']
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
alembic.init(config, directory=directory, template='henson')
def init(directory=None):
"""Creates a new migration repository"""
app = current_app()
if directory is None:
directory = app.extra['migrate'].directory
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
config = app.extra['migrate'].migrate.call_configure_callbacks(config)
command.init(config, directory, 'fastapi')
def staging_env(create=True, template="generic"):
from alembic import command, script
cfg = _testing_config()
if create:
path = os.path.join(staging_directory, 'scripts')
if os.path.exists(path):
shutil.rmtree(path)
command.init(cfg, path)
sc = script.ScriptDirectory.from_config(cfg)
return sc
def init(directory=None, multidb=False):
"""Creates a new migration repository"""
if directory is None:
directory = current_app.extensions['migrate'].directory
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
config = current_app.extensions['migrate']. \
migrate.call_configure_callbacks(config)
command.init(config, directory, 'tornado')
def staging_env(create=True, template="generic"):
from alembic import command, script
cfg = _testing_config()
if create:
path = os.path.join(staging_directory, 'scripts')
if os.path.exists(path):
shutil.rmtree(path)
command.init(cfg, path)
sc = script.ScriptDirectory.from_config(cfg)
return sc
def init_db(config):
"""Creates a new migration repository."""
directory = os.path.join('yui', 'models', 'migrations')
c = Config()
c.set_main_option('script_location', directory)
c.set_main_option('sqlalchemy.url', config.DATABASE_URL)
c.config_file_name = os.path.join(directory, 'alembic.ini')
command.init(c, directory, 'chatterbox')
def init(context, directory='migrations', multidb=False):
"""Generates a new migration"""
from app import create_app
with create_app().app_context():
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
if multidb:
command.init(config, directory, 'flask-multidb')
else:
command.init(config, directory, 'flask')
def init(directory=None, multidb=False):
"""Creates a new migration repository"""
if directory is None:
directory = current_app.extensions["migrate"].directory
config = Config()
config.set_main_option("script_location", directory)
config.config_file_name = os.path.join(directory, "alembic.ini")
config = current_app.extensions["migrate"].migrate.call_configure_callbacks(config)
if multidb:
command.init(config, directory, "flask-multidb")
else:
command.init(config, directory, "flask")
def init(directory=None, multidb=False):
"""Generates a new migration"""
if directory is None:
directory = current_app.extensions['migrate'].directory
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
config = current_app.extensions['migrate'].\
migrate.call_configure_callbacks(config)
if multidb:
command.init(config, directory, 'flask-multidb')
else:
command.init(config, directory, 'flask')
def init(directory=None, multidb=False):
"""Generates a new migration"""
if directory is None:
directory = current_app.extensions['migrate'].directory
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
config = current_app.extensions['migrate'].\
migrate.call_configure_callbacks(config)
if multidb:
command.init(config, directory, 'flask-multidb')
else:
command.init(config, directory, 'flask')
def init(directory=None, template=None):
"""Creates a new migration repository"""
if directory is None:
directory = migrate_manager.migrate_config.directory
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
config = migrate_manager.migrate_config.migrate.call_configure_callbacks(
config)
if not os.path.exists(
os.path.join(config.get_template_directory(), template)):
raise ValueError("Template does not exist")
command.init(config, directory, template)
def init(context, directory="migrations", multidb=False):
"""初始化迁移脚本"""
if directory is None:
directory = current_app.extensions["migrate"].directory
config = Config()
config.set_main_option("script_location", directory)
config.config_file_name = os.path.join(directory, "alembic.ini")
print(config.get_template_directory())
config = current_app.extensions[
"migrate"].migrate.call_configure_callbacks(config)
if multidb:
command.init(config, directory, "flask-multidb")
else:
command.init(config, directory, "flask")
def handle(self, **options):
options['secret_key'] = token_hex(60)
options['template'] = 'project_template'
base_dir, name = super(Command, self).handle(**options)
# Setup Alembic Migrations
alembic_dir = os.path.join(base_dir, name, 'migrations')
cfg = Config(os.path.join(alembic_dir, 'alembic.ini'))
command.init(config=cfg, directory=alembic_dir)
with open(os.path.join(alembic_dir, 'env.py'), 'r') as f:
env_py = f.read()
env_py = env_py.replace('target_metadata = None', METADATA_CODE)
env_py = env_py.replace('config = context.config', SQL_CONNECT_OVERRIDE)
with open(os.path.join(alembic_dir, 'env.py'), 'w') as f:
f.write(env_py)
def init(directory):
click.echo(f"Init database Migrate File at {directory}")
path = os.path.abspath(directory)
if os.path.exists(path):
# if os.path.getsize(path) > 0:
# click.echo(f"Path {path} already exists and not empty")
# return
if not os.path.isdir(path):
click.echo(f"Path {path} is not a folder")
return
os.makedirs(path, exist_ok=True)
conf = config.Config()
conf.set_main_option('script_location', path)
conf.config_file_name = os.path.join(directory, 'alembic.ini')
command.init(conf, directory)
def initialize(directory=None, multidb=False):
from alembic import command
from alembic.config import Config as AlembicConfig
class Config(AlembicConfig):
def get_template_directory(self):
package_dir = os.path.abspath(os.path.dirname(__file__))
return os.path.join(package_dir, "templates")
"""Creates a new migration repository"""
config = Config()
config.set_main_option("script_location", directory)
config.config_file_name = os.path.join(directory, "alembic.ini")
command.init(config, directory, "singledb")
def init(self, multidb: bool = False) -> t.Any:
config: AlembicConfig = self.configuration.to_alembic_config()
return command.init(config,
directory=self.configuration.script_location,
template='multidb' if multidb else 'default',
package=False)
def initialize(self, project_name):
"""
____This function is serve as initialize installer, and run through interface command line____
@param project_name: string, name for your project either name or just . for current directory
"""
if project_name != '.':
createDirectory(os.path.join(os.getcwd(), project_name))
self.project = os.path.join(os.getcwd(), project_name)
init(ini_configuration(self.project), self.project)
self._buildDirectory()
self._fileToManage()
configReset(self.project)
def run_alembic_cmd(self, opt):
'''
Logic for running different Alembic commands.
'''
from alembic import command as alembic_cmd
config = self.get_config()
# command consume any number of parameters but first is command name
cmd = opt.command.pop(0)
# init command needs to point to lux template, not alembic default
if cmd == 'init':
dirname = config.get_main_option('script_location')
# line 63 will be executed in:
# https://github.com/zzzeek/alembic/blob/master/alembic/command.py
# since we do not use any *.ini file, we simply silence error
# about referenced before assignment as it have no negative impact.
try:
alembic_cmd.init(config, dirname, template='lux')
except UnboundLocalError: # pragma nocover
pass
# merge required two revision name
elif cmd == 'merge':
if len(opt.command) != 2:
raise CommandError('Command %s required revisions id.' % cmd)
alembic_cmd.merge(config,
opt.command,
message=opt.msg,
branch_label=opt.branch)
elif cmd == 'revision':
alembic_cmd.revision(config,
message=opt.msg,
branch_label=opt.branch)
# auto command is a shortcut for `revision --autogenerate`
elif cmd == 'auto':
alembic_cmd.revision(config,
autogenerate=True,
message=opt.msg,
branch_label=opt.branch)
# this commands required revision name, but do not take any message or
# branch labels
elif cmd in ('show', 'stamp', 'upgrade', 'downgrade'):
if len(opt.command) != 1:
raise CommandError('Command %s required revision id' % cmd)
getattr(alembic_cmd, cmd)(config, *opt.command)
else:
# execute commands without any additional params
getattr(alembic_cmd, cmd)(config)
def init(directory=None, multidb=False, template=None, package=False):
"""Creates a new migration repository"""
if directory is None:
directory = current_app.extensions['migrate'].directory
template_directory = None
if template is not None and ('/' in template or '\\' in template):
template_directory, template = os.path.split(template)
config = Config(template_directory=template_directory)
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
config = current_app.extensions['migrate'].\
migrate.call_configure_callbacks(config)
if multidb and template is None:
template = 'flask-multidb'
elif template is None:
template = 'flask'
command.init(config, directory, template=template, package=package)
def test_init_file_doesnt_exist(self):
def access_(path, mode):
if "generic" in path:
return True
else:
return False
with mock.patch(
"alembic.command.os.access", side_effect=access_), mock.patch(
"alembic.command.os.makedirs") as makedirs, mock.patch(
"alembic.command.ScriptDirectory"):
command.init(self.cfg, directory="foobar")
eq_(
makedirs.mock_calls,
[mock.call("foobar"),
mock.call("foobar/versions")],
)
def init(self, script_location=None):
try:
import geoalchemy2
except ImportError:
template = 'generic'
else:
template = 'geoalchemy'
# PS: This config file is just a workaround, it is not needed. We
# just use it to initialize the config. Changes done to this file
# will not be reflected.
script_location = self.config.get_main_option('script_location')
config_file = os.path.join(script_location, 'alembic.ini')
self.config.config_file_name = config_file
directory = script_location or self.config.get_main_option('script_location')
command.init(self.config, directory=directory, template=template)
def init(self, script_location=None):
try:
import geoalchemy2
except ImportError:
template = 'generic'
else:
template = 'geoalchemy'
# PS: This config file is just a workaround, it is not needed. We
# just use it to initialize the config. Changes done to this file
# will not be reflected.
script_location = self.config.get_main_option('script_location')
config_file = os.path.join(script_location, 'alembic.ini')
self.config.config_file_name = config_file
directory = script_location or self.config.get_main_option(
'script_location')
command.init(self.config, directory=directory, template=template)
def get_alembic_conf():
alembic_cfg = Config()
alembic_cfg.set_main_option("script_location", "migrations")
alembic_cfg.set_main_option("sqlalchemy.url", DATABASE_URL)
alembic_cfg.config_file_name = os.path.join("migrations", 'alembic.ini')
if os.path.isdir('migrations') is False:
click.echo(click.style("Initiating alembic...", fg='bright_blue'))
alembic.init(alembic_cfg, 'migrations')
with open('migrations/env.py', 'r+') as f:
content = f.read()
content = content.replace(
'target_metadata = None',
f'from {MAIN_MODULE_NAME} import db\ntarget_metadata = db.metadata'
)
f.seek(0)
f.write(content)
return alembic_cfg
def test_init_file_exists_and_is_empty(self):
def access_(path, mode):
if "generic" in path or path == "foobar":
return True
else:
return False
def listdir_(path):
if path == "foobar":
return []
else:
return ["file1", "file2", "alembic.ini.mako"]
template_dir = self.cfg.get_template_directory()
with mock.patch(
"alembic.command.os.access", side_effect=access_
) as access, mock.patch(
"alembic.command.os.makedirs"
) as makedirs, mock.patch(
"alembic.command.os.listdir", side_effect=listdir_
) as listdir, mock.patch(
"alembic.command.ScriptDirectory"
):
command.init(self.cfg, directory="foobar")
eq_(
access.mock_calls,
[
mock.call("foobar", os.F_OK),
mock.call(os.path.join(template_dir, "generic"), os.F_OK),
mock.call("foobar", os.F_OK),
mock.call(
os.path.abspath("./scratch/test_alembic.ini"), os.F_OK
),
],
)
eq_(
listdir.mock_calls,
[
mock.call("foobar"),
mock.call(os.path.join(template_dir, "generic")),
],
)
eq_(makedirs.mock_calls, [mock.call("foobar/versions")])
def run_alembic_cmd(self, opt):
'''
Logic for running different Alembic commands.
'''
from alembic import command as alembic_cmd
config = self.get_config()
# command consume any number of parameters but first is command name
cmd = opt.command.pop(0)
# init command needs to point to lux template, not alembic default
if cmd == 'init':
dirname = config.get_main_option('script_location')
# line 63 will be executed in:
# https://github.com/zzzeek/alembic/blob/master/alembic/command.py
# since we do not use any *.ini file, we simply silence error
# about referenced before assignment as it have no negative impact.
try:
alembic_cmd.init(config, dirname, template='lux')
except UnboundLocalError: # pragma nocover
pass
# merge required two revision name
elif cmd == 'merge':
if len(opt.command) != 2:
raise CommandError('Command: %s required revisions id.' % cmd)
alembic_cmd.merge(config, *opt.command, message=opt.msg,
branch_label=opt.branch)
elif cmd == 'revision':
alembic_cmd.revision(config, message=opt.msg,
branch_label=opt.branch)
# auto command is a shortcut for `revision --autogenerate`
elif cmd == 'auto':
alembic_cmd.revision(config, autogenerate=True, message=opt.msg,
branch_label=opt.branch)
# this commands required revision name, but do not take any message or
# branch labels
elif cmd in ('show', 'stamp', 'upgrade', 'downgrade'):
if len(opt.command) != 1:
raise CommandError('Command: %s required revision id' % cmd)
getattr(alembic_cmd, cmd)(config, *opt.command)
else:
# execute commands without any additional params
getattr(alembic_cmd, cmd)(config)
def init_db():
if path.exists(_migration_path):
print(Fore.YELLOW + _migration_path + " has existed!")
return
else:
from alembic import command
from alembic.config import Config
alembic_cfg = Config(file_="alembic.ini", )
command.init(alembic_cfg,
_set_unix_path(_migration_path),
template="generic")
# 修改 env.py 文件
patch_env()
print("\n" + Fore.YELLOW +
"请修改 alembic.ini 中 sqlalchemy.url 的值. \n"
"请修改 .alembic/search_models.py 中 search_rules 的路径. \n")
def run(self, args):
# let's hijack init and list_templates
# we want to provide our own config object
# in order to provide a custom get_template_directory function
if len(args) and args[0] in ['list_templates', 'init']:
config = FlaskAlembicConfig("alembic.ini")
if args[0] == 'list_templates':
return list_templates(config)
else:
try:
return init(config, 'alembic', template='flask')
except util.CommandError, e:
util.err(str(e))
def initializeDatabase(cls, databaseUrl, resourcesPath =None, localResourcesPath =None):
migrationRootPath = PyGlassModelUtils.getMigrationPathFromDatabaseUrl(
databaseUrl=databaseUrl,
root=True,
resourcesPath=resourcesPath)
migrationPath = PyGlassModelUtils.getMigrationPathFromDatabaseUrl(
databaseUrl=databaseUrl,
resourcesPath=resourcesPath)
configPath = FileUtils.makeFilePath(migrationPath, 'alembic.ini')
if not os.path.exists(migrationRootPath):
os.makedirs(migrationRootPath)
if os.path.exists(migrationPath + 'alembic.ini'):
return False
os.chdir(migrationRootPath)
config = alembicConfig.Config()
config.config_file_name = configPath
alembicCmd.init(config=config, directory=migrationPath)
# Refresh config with proper settings
cp = configparser.ConfigParser()
cp.read(configPath)
cp.set('alembic', 'sqlalchemy.url', PyGlassModelUtils.getEngineUrl(
databaseUrl=databaseUrl,
localResourcesPath=localResourcesPath))
f = open(configPath, 'w+')
cp.write(f)
f.close()
return True
def init(self):
dirname = self.cfg.get_main_option('script_location')
alembic_cmd.init(self.cfg, dirname, template='lux')
def init(extension_module_name, **kwargs): pkg_env = ExtensionPackageEnv(extension_module_name) command.init(pkg_env.config, pkg_env.script_dir, **kwargs)
def init():
""" Initialize a new database migration. """
config = _get_config()
return command.init(config, 'migrations', 'alembic')
def init(self, directory, **kwargs):
"""Generates a new migration"""
config = Config()
config.set_main_option('script_location', directory)
config.config_file_name = os.path.join(directory, 'alembic.ini')
command.init(config, directory, 'relengapi')
def init():
"Generates a new migration"
config = _get_config()
command.init(config, 'migrations', 'alembic')
