Python psycopg2 模块，_json() 实例源码
我们从Python开源项目中，提取了以下16个代码示例，用于说明如何使用psycopg2._json()。
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, array_oid = _get_json_oids(self.conn)
old = psycopg2.extensions.string_types.get(114)
olda = psycopg2.extensions.string_types.get(199)
def loads(s):
return psycopg2.extras.json.loads(s, parse_float=Decimal)
try:
new, newa = psycopg2.extras.register_json(
loads=loads, oid=oid, array_oid=array_oid)
curs = self.conn.cursor()
curs.execute("""select '{"a": 100.0,"b": null}'::json""")
data = curs.fetchone()[0]
self.assertTrue(isinstance(data['a'], Decimal))
self.assertEqual(data['a'], Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid,"b": null}'::json""")
data = curs.fetchone()[0]
self.assert_(isinstance(data['a'], Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, array_oid = _get_json_oids(self.conn)
old = psycopg2.extensions.string_types.get(114)
olda = psycopg2.extensions.string_types.get(199)
loads = lambda x: psycopg2.extras.json.loads(x, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
def test_no_conn_curs(self):
from psycopg2._json import _get_json_oids
oid, Decimal('100.0'))
finally:
psycopg2.extensions.string_types.pop(new.values[0])
psycopg2.extensions.string_types.pop(newa.values[0])
if old:
psycopg2.extensions.register_type(old)
if olda:
psycopg2.extensions.register_type(olda)
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