def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
python类__version__()的实例源码
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def get_summary(cls):
"""
Return a diction of information about this database
backend.
"""
summary = {
"DB-API version": "2.0",
"Database SQL type": cls.__name__,
"Database SQL module": "psycopg2",
"Database SQL module version": psycopg2.__version__,
"Database SQL module location": psycopg2.__file__,
}
return summary
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def make_psycopg_green():
"""Configure Psycopg to be used with eventlet in non-blocking way."""
if not hasattr(extensions, 'set_wait_callback'):
raise ImportError(
"support for coroutines not available in this Psycopg version (%s)"
% psycopg2.__version__)
extensions.set_wait_callback(eventlet_wait_callback)
def ensure_libs(sslrootcert=None):
if not HAS_PSYCOPG2:
raise LibraryError('psycopg2 is not installed. we need psycopg2.')
if sslrootcert and psycopg2.__version__ < '2.4.3':
raise LibraryError('psycopg2 must be at least 2.4.3 in order to use the ssl_rootcert parameter')
# no problems
return None
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
def make_psycopg_green():
"""Configure Psycopg to be used with eventlet in non-blocking way."""
if not hasattr(extensions, 'set_wait_callback'):
raise ImportError(
"support for coroutines not available in this Psycopg version (%s)"
% psycopg2.__version__)
extensions.set_wait_callback(eventlet_wait_callback)
def make_psycopg_green():
"""Configure Psycopg to be used with gevent in non-blocking way."""
if not hasattr(extensions, 'set_wait_callback'):
raise ImportError(
"support for coroutines not available in this Psycopg version (%s)"
% psycopg2.__version__)
extensions.set_wait_callback(gevent_wait_callback)
def _has_lo64(conn):
"""Return (bool, msg) about the lo64 support"""
if conn.server_version < 90300:
return (False, "server version %s doesn't support the lo64 API"
% conn.server_version)
if 'lo64' not in psycopg2.__version__:
return (False, "this psycopg build doesn't support the lo64 API")
return (True, "this server and build support the lo64 API")
