def test_psycopg2_nonempty_connection_string_w_query_two(self):
dialect = psycopg2_dialect.dialect()
url_string = "postgresql://*****:*****@/DB?host=hostA"
u = url.make_url(url_string)
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [])
eq_(cparams["host"], "hostA")
def test_psycopg2_nonempty_connection_string_w_query_three(self):
dialect = psycopg2_dialect.dialect()
url_string = ("postgresql://*****:*****@/DB"
"?host=hostA:portA&host=hostB&host=hostC")
u = url.make_url(url_string)
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [])
eq_(cparams["host"], "hostA:portA,hostB,hostC")
def test_psycopg2_nonempty_connection_string_w_query(self):
dialect = psycopg2_dialect.dialect()
u = url.make_url("postgresql://somehost/?any_random_thing=yes")
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [])
eq_(cparams, {"host": "somehost", "any_random_thing": "yes"})
def test_psycopg2_empty_connection_string_w_query_one(self):
dialect = psycopg2_dialect.dialect()
u = url.make_url("postgresql:///?service=swh-log")
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [])
eq_(cparams, {"service": "swh-log"})
def test_psycopg2_nonempty_connection_string(self):
dialect = psycopg2_dialect.dialect()
u = url.make_url("postgresql://host")
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [])
eq_(cparams, {"host": "host"})
def test_psycopg2_nonempty_connection_string_w_query(self):
dialect = psycopg2_dialect.dialect()
u = url.make_url("postgresql://somehost/?any_random_thing=yes")
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [])
eq_(cparams, {"host": "somehost", "any_random_thing": "yes"})
def test_psycopg2_empty_connection_string_w_query_one(self):
dialect = psycopg2_dialect.dialect()
u = url.make_url("postgresql:///?service=swh-log")
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [])
eq_(cparams, {"service": "swh-log"})
def test_psycopg2_nonempty_connection_string(self):
dialect = psycopg2_dialect.dialect()
u = url.make_url("postgresql://host")
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [])
eq_(cparams, {"host": "host"})
def test_psycopg2_empty_connection_string_w_query_two(self):
dialect = psycopg2_dialect.dialect()
u = url.make_url("postgresql+psycopg2:///?any_random_thing=yes")
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [])
eq_(cparams, {"any_random_thing": "yes"})
def test_psycopg2_empty_connection_string(self):
dialect = psycopg2_dialect.dialect()
u = url.make_url("postgresql+psycopg2://")
cargs, cparams = dialect.create_connect_args(u)
eq_(cargs, [""])
eq_(cparams, {})
from sqlalchemy.orm import sessionmaker
from sqlalchemy.dialects.postgresql import psycopg2
from config import settings
from db.engines import ENGINES, DEFAULT_POOL_SIZE, DEFAULT_MAX_OVERFLOW
from db.sessions import MasterSlaveSession
logger = structlog.getLogger('daemon.' + __name__)
db_factory = sessionmaker(class_=MasterSlaveSession,
engines=ENGINES,
autoflush=True)
SET_APPLICATION_NAME = settings.db.get('set_application_name', True)
# asyncpgsa has default dialect that do not contain `on_conflic_*` statement
DEFAULT_DIALECT = psycopg2.dialect(json_serializer=ujson.dumps,
json_deserializer=ujson.loads)
DEFAULT_DIALECT.implicit_returning = True
DEFAULT_DIALECT.use_native_hstore = True
class ConnectionManager:
"""Database connection manager."""
__slots__ = ('_connection_class', '_loop', '_dsn', '_connection',
'_statement_cache_size')
def __init__(self, loop=None, statement_cache_size=0):
"""Initialize ConnectionManager instance."""
class SynctoolConnection(SAConnection):
def __init__(self, *args, **kwargs):
super().__init__(*args, dialect=DEFAULT_DIALECT, **kwargs)
