def init():
"""
Prepare directory with alembic.ini, mako-files and directory for
migrations. Part of functional was copied from original Alembic Init
but changed some things with config
"""
if os.access(config.alembic_dir, os.F_OK):
raise util.CommandError("Directory {} already exists".format(
config.alembic_dir))
template_dir = os.path.join(config.template_path +
config.template_name)
if not os.access(template_dir, os.F_OK):
raise util.CommandError("No such template {}".format(template_dir))
util.status(
"Creating directory {}".format(os.path.abspath(
config.alembic_dir)), os.makedirs, config.alembic_dir)
versions = os.path.join(config.alembic_dir, 'versions')
util.status("Creating directory %s" % os.path.abspath(versions),
os.makedirs, versions)
script = ScriptDirectory(config.alembic_dir)
dirs = os.listdir(template_dir)
dirs += [
'versions/create_table_alembic_version_history.py',
]
for file_ in dirs:
file_path = os.path.join(template_dir, file_)
if file_ == 'alembic.ini.mako':
config_file = os.path.abspath('alembic.ini')
if os.access(config_file, os.F_OK):
util.msg(
"File {} already exists, skipping".format(config_file))
else:
script._generate_template(
template_dir + '/alembic.ini.mako',
os.path.join(config.alembic_dir, 'alembic.ini'),
script_location=config.alembic_dir)
elif os.path.isfile(file_path):
output_file = os.path.join(config.alembic_dir, file_)
script._copy_file(file_path, output_file)
util.msg("Please edit configuration/connection/logging "
"settings in {} before proceeding.".format(
os.path.join(config.alembic_dir, 'alembic.ini')))
def handle(self, *args, **options):
db_id = options.get("metadata", None)
metadata_module_name = get_module_from_db_name(db_id)
template = options.get("template")
migrations_conf_dict = get_migrations_config(db_id)
if migrations_conf_dict is None:
raise CommandError("Migrations configuration not found.")
directory = migrations_conf_dict.get("script_location", None)
if directory is None:
raise CommandError("Invalid Migration Scripts Location")
if os.access(directory, os.F_OK):
raise CommandError("Directory %s already exists" % directory)
templates_directory = migrations_conf_dict.get("templates_directory", default_templates_directory)
template_dir = os.path.join(templates_directory, template)
if not os.access(template_dir, os.F_OK):
raise CommandError("No such template %r" % template)
self.stdout.write("Creating directory %s" % os.path.abspath(directory))
os.makedirs(directory)
versions = os.path.join(directory, 'versions')
self.stdout.write("Creating directory %s" % os.path.abspath(versions))
os.makedirs(versions)
script = ScriptDirectory(directory)
for file_ in os.listdir(template_dir):
file_path = os.path.join(template_dir, file_)
if os.path.isfile(file_path):
output_file = os.path.join(directory, file_)
script._copy_file(
file_path,
output_file
)
def init(config, directory, template='generic'):
"""Initialize a new scripts directory."""
if os.access(directory, os.F_OK):
raise util.CommandError("Directory %s already exists" % directory)
template_dir = os.path.join(config.get_template_directory(),
template)
if not os.access(template_dir, os.F_OK):
raise util.CommandError("No such template %r" % template)
util.status("Creating directory %s" % os.path.abspath(directory),
os.makedirs, directory)
versions = os.path.join(directory, 'versions')
util.status("Creating directory %s" % os.path.abspath(versions),
os.makedirs, versions)
script = ScriptDirectory(directory)
for file_ in os.listdir(template_dir):
file_path = os.path.join(template_dir, file_)
if file_ == 'alembic.ini.mako':
config_file = os.path.abspath(config.config_file_name)
if os.access(config_file, os.F_OK):
util.msg("File %s already exists, skipping" % config_file)
else:
script._generate_template(
file_path,
config_file,
script_location=directory
)
elif os.path.isfile(file_path):
output_file = os.path.join(directory, file_)
script._copy_file(
file_path,
output_file
)
util.msg("Please edit configuration/connection/logging "\
"settings in %r before proceeding." % config_file)
def init(config, directory, template='generic'):
"""Initialize a new scripts directory."""
if os.access(directory, os.F_OK):
raise util.CommandError("Directory %s already exists" % directory)
template_dir = os.path.join(config.get_template_directory(),
template)
if not os.access(template_dir, os.F_OK):
raise util.CommandError("No such template %r" % template)
util.status("Creating directory %s" % os.path.abspath(directory),
os.makedirs, directory)
versions = os.path.join(directory, 'versions')
util.status("Creating directory %s" % os.path.abspath(versions),
os.makedirs, versions)
script = ScriptDirectory(directory)
for file_ in os.listdir(template_dir):
file_path = os.path.join(template_dir, file_)
if file_ == 'alembic.ini.mako':
config_file = os.path.abspath(config.config_file_name)
if os.access(config_file, os.F_OK):
util.msg("File %s already exists, skipping" % config_file)
else:
script._generate_template(
file_path,
config_file,
script_location=directory
)
elif os.path.isfile(file_path):
output_file = os.path.join(directory, file_)
script._copy_file(
file_path,
output_file
)
util.msg("Please edit configuration/connection/logging "\
"settings in %r before proceeding." % config_file)
def init(self, directory, template="mampoer_generic", package=False):
"""Initialize a new scripts directory.
:param template: string name of the migration environment template to
use.
:param package: when True, write ``__init__.py`` files into the
environment location as well as the versions/ location.
.. versionadded:: 1.2
"""
if os.access(directory, os.F_OK) and os.listdir(directory):
raise util.CommandError(
"Directory %s already exists and is not empty" % directory)
template_dir = os.path.join(self.get_template_directory(), template)
if not os.access(template_dir, os.F_OK):
raise util.CommandError("No such template %r" % template)
if not os.access(directory, os.F_OK):
util.status(
"Creating directory %s" % os.path.abspath(directory),
os.makedirs,
directory,
)
versions = os.path.join(directory, "versions")
util.status(
"Creating directory %s" % os.path.abspath(versions),
os.makedirs,
versions,
)
script = ScriptDirectory(directory)
for file_ in os.listdir(template_dir):
file_path = os.path.join(template_dir, file_)
if file_ == "mampoer.ini.mako":
config_file = os.path.abspath(self.config.config_file_name)
if os.access(config_file, os.F_OK):
util.msg("File %s already exists, skipping" % config_file)
else:
script._generate_template(file_path,
config_file,
script_location=directory)
elif os.path.isfile(file_path):
output_file = os.path.join(directory, file_)
script._copy_file(file_path, output_file)
if package:
for path in [
os.path.join(os.path.abspath(directory), "__init__.py"),
os.path.join(os.path.abspath(versions), "__init__.py"),
]:
file_ = util.status("Adding %s" % path, open, path, "w")
file_.close()
util.msg("Please edit configuration/connection/logging "
"settings in %r before proceeding." % config_file)