Docstring fixes for enginefacade
There were some issues with the docstrings, and there are probably still issues that I didn't get around to fixing. Change-Id: I84d60621246776f77f9022f0f1d61792edccbfb0
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@ -183,12 +183,12 @@ class _TransactionFactory(object):
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The configurational options given here act as **defaults**
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when the :class:`._TransactionFactory` is configured using
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a :class:`.oslo.config.cfg.ConfigOpts` object; the options
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present within the :class:`.oslo.config.cfg.ConfigOpts` **take
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a :class:`oslo_config.cfg.ConfigOpts` object; the options
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present within the :class:`oslo_config.cfg.ConfigOpts` **take
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precedence** versus the arguments passed here. By default,
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the :class:`._TransactionFactory` loads in the configuration from
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:data:`oslo.config.cfg.CONF`, after applying the
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:data:`oslo.db.options.database_opts` configurational defaults to it.
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:data:`oslo_config.cfg.CONF`, after applying the
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:data:`oslo_db.options.database_opts` configurational defaults to it.
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.. seealso::
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@ -206,7 +206,7 @@ class _TransactionFactory(object):
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Behavior here is the same as that of
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:meth:`._TransactionFactory.configure_defaults`,
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with the exception that values specified here will **supersede** those
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setup in the :class:`.oslo.config.cfg.ConfigOpts` options.
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setup in the :class:`oslo_config.cfg.ConfigOpts` options.
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.. seealso::
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@ -841,9 +841,8 @@ writer = _context_manager.writer
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class LegacyEngineFacade(object):
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"""A helper class for removing of global engine instances from oslo.db.
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.. deprecated::
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EngineFacade is deprecated. Please use
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oslo.db.sqlalchemy.enginefacade for new development.
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.. deprecated:: 1.12.0
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Please use :mod:`oslo_db.sqlalchemy.enginefacade` for new development.
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As a library, oslo.db can't decide where to store/when to create engine
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and sessionmaker instances, so this must be left for a target application.
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@ -866,64 +865,62 @@ class LegacyEngineFacade(object):
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transactional context (i.e. it's not thread-safe). sessionmaker is
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a factory of sessions.
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:param sql_connection: the connection string for the database to use
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:type sql_connection: string
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:param slave_connection: the connection string for the 'slave' database
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to use. If not provided, the master database
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will be used for all operations. Note: this
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is meant to be used for offloading of read
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operations to asynchronously replicated slaves
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to reduce the load on the master database.
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:type slave_connection: string
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:param sqlite_fk: enable foreign keys in SQLite
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:type sqlite_fk: bool
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:param autocommit: use autocommit mode for created Session instances
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:type autocommit: bool
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:param expire_on_commit: expire session objects on commit
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:type expire_on_commit: bool
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Keyword arguments:
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:keyword mysql_sql_mode: the SQL mode to be used for MySQL sessions.
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(defaults to TRADITIONAL)
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:keyword idle_timeout: timeout before idle sql connections are reaped
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(defaults to 3600)
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:keyword connection_debug: verbosity of SQL debugging information.
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-1=Off, 0=None, 100=Everything (defaults
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to 0)
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:keyword max_pool_size: maximum number of SQL connections to keep open
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in a pool (defaults to SQLAlchemy settings)
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:keyword max_overflow: if set, use this value for max_overflow with
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sqlalchemy (defaults to SQLAlchemy settings)
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:keyword pool_timeout: if set, use this value for pool_timeout with
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sqlalchemy (defaults to SQLAlchemy settings)
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:keyword sqlite_synchronous: if True, SQLite uses synchronous mode
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(defaults to True)
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:keyword connection_trace: add python stack traces to SQL as comment
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strings (defaults to False)
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:keyword max_retries: maximum db connection retries during startup.
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(setting -1 implies an infinite retry count)
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(defaults to 10)
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:keyword retry_interval: interval between retries of opening a sql
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connection (defaults to 10)
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:keyword thread_checkin: boolean that indicates that between each
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engine checkin event a sleep(0) will occur to
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allow other greenthreads to run (defaults to
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True)
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"""
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def __init__(self, sql_connection, slave_connection=None,
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sqlite_fk=False, autocommit=True,
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expire_on_commit=False, _conf=None, _factory=None, **kwargs):
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"""Initialize engine and sessionmaker instances.
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:param sql_connection: the connection string for the database to use
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:type sql_connection: string
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:param slave_connection: the connection string for the 'slave' database
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to use. If not provided, the master database
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will be used for all operations. Note: this
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is meant to be used for offloading of read
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operations to asynchronously replicated slaves
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to reduce the load on the master database.
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:type slave_connection: string
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:param sqlite_fk: enable foreign keys in SQLite
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:type sqlite_fk: bool
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:param autocommit: use autocommit mode for created Session instances
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:type autocommit: bool
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:param expire_on_commit: expire session objects on commit
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:type expire_on_commit: bool
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Keyword arguments:
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:keyword mysql_sql_mode: the SQL mode to be used for MySQL sessions.
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(defaults to TRADITIONAL)
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:keyword idle_timeout: timeout before idle sql connections are reaped
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(defaults to 3600)
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:keyword connection_debug: verbosity of SQL debugging information.
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-1=Off, 0=None, 100=Everything (defaults
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to 0)
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:keyword max_pool_size: maximum number of SQL connections to keep open
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in a pool (defaults to SQLAlchemy settings)
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:keyword max_overflow: if set, use this value for max_overflow with
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sqlalchemy (defaults to SQLAlchemy settings)
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:keyword pool_timeout: if set, use this value for pool_timeout with
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sqlalchemy (defaults to SQLAlchemy settings)
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:keyword sqlite_synchronous: if True, SQLite uses synchronous mode
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(defaults to True)
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:keyword connection_trace: add python stack traces to SQL as comment
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strings (defaults to False)
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:keyword max_retries: maximum db connection retries during startup.
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(setting -1 implies an infinite retry count)
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(defaults to 10)
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:keyword retry_interval: interval between retries of opening a sql
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connection (defaults to 10)
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:keyword thread_checkin: boolean that indicates that between each
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engine checkin event a sleep(0) will occur to
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allow other greenthreads to run (defaults to
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True)
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"""
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warnings.warn(
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"EngineFacade is deprecated; please use "
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"oslo.db.sqlalchemy.enginefacade",
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"oslo_db.sqlalchemy.enginefacade",
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exception.OsloDBDeprecationWarning,
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stacklevel=2)
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@ -997,7 +994,7 @@ class LegacyEngineFacade(object):
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"""Initialize EngineFacade using oslo.config config instance options.
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:param conf: oslo.config config instance
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:type conf: oslo.config.cfg.ConfigOpts
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:type conf: oslo_config.cfg.ConfigOpts
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:param sqlite_fk: enable foreign keys in SQLite
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:type sqlite_fk: bool
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