def test_cast_timestamptz(self):
from psycopg2.extras import DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
ts1 = datetime(2000, 1, 1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000, 12, 31, 23, 59, 59, 999,
tzinfo=FixedOffsetTimezone(600))
cur.execute("select tstzrange(%s, %s, '[]')", (ts1, ts2))
r = cur.fetchone()[0]
self.assert_(isinstance(r, DateTimeTZRange))
self.assert_(not r.isempty)
self.assertEqual(r.lower, ts1)
self.assertEqual(r.upper, ts2)
self.assert_(not r.lower_inf)
self.assert_(not r.upper_inf)
self.assert_(r.lower_inc)
self.assert_(r.upper_inc)
python类tz()的实例源码
def test_cast_timestamptz(self):
from psycopg2.extras import DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
ts1 = datetime(2000,1,1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000,12,31,23,59,59,999, tzinfo=FixedOffsetTimezone(600))
cur.execute("select tstzrange(%s, %s, '[]')", (ts1, ts2))
r = cur.fetchone()[0]
self.assert_(isinstance(r, DateTimeTZRange))
self.assert_(not r.isempty)
self.assertEqual(r.lower, ts1)
self.assertEqual(r.upper, ts2)
self.assert_(not r.lower_inf)
self.assert_(not r.upper_inf)
self.assert_(r.lower_inc)
self.assert_(r.upper_inc)
def test_cast_timestamptz(self):
from psycopg2.extras import DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
ts1 = datetime(2000,1,1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000,12,31,23,59,59,999, tzinfo=FixedOffsetTimezone(600))
cur.execute("select tstzrange(%s, %s, '[]')", (ts1, ts2))
r = cur.fetchone()[0]
self.assert_(isinstance(r, DateTimeTZRange))
self.assert_(not r.isempty)
self.assertEqual(r.lower, ts1)
self.assertEqual(r.upper, ts2)
self.assert_(not r.lower_inf)
self.assert_(not r.upper_inf)
self.assert_(r.lower_inc)
self.assert_(r.upper_inc)
def test_cast_timestamptz(self):
from psycopg2.extras import DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
ts1 = datetime(2000,1,1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000,12,31,23,59,59,999, tzinfo=FixedOffsetTimezone(600))
cur.execute("select tstzrange(%s, %s, '[]')", (ts1, ts2))
r = cur.fetchone()[0]
self.assert_(isinstance(r, DateTimeTZRange))
self.assert_(not r.isempty)
self.assertEqual(r.lower, ts1)
self.assertEqual(r.upper, ts2)
self.assert_(not r.lower_inf)
self.assert_(not r.upper_inf)
self.assert_(r.lower_inc)
self.assert_(r.upper_inc)
def test_cast_timestamptz(self):
from psycopg2.extras import DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
ts1 = datetime(2000,1,1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000,12,31,23,59,59,999, tzinfo=FixedOffsetTimezone(600))
cur.execute("select tstzrange(%s, %s, '[]')", (ts1, ts2))
r = cur.fetchone()[0]
self.assert_(isinstance(r, DateTimeTZRange))
self.assert_(not r.isempty)
self.assertEqual(r.lower, ts1)
self.assertEqual(r.upper, ts2)
self.assert_(not r.lower_inf)
self.assert_(not r.upper_inf)
self.assert_(r.lower_inc)
self.assert_(r.upper_inc)
def test_cast_timestamptz(self):
from psycopg2.extras import DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
ts1 = datetime(2000,1,1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000,12,31,23,59,59,999, tzinfo=FixedOffsetTimezone(600))
cur.execute("select tstzrange(%s, %s, '[]')", (ts1, ts2))
r = cur.fetchone()[0]
self.assert_(isinstance(r, DateTimeTZRange))
self.assert_(not r.isempty)
self.assertEqual(r.lower, ts1)
self.assertEqual(r.upper, ts2)
self.assert_(not r.lower_inf)
self.assert_(not r.upper_inf)
self.assert_(r.lower_inc)
self.assert_(r.upper_inc)
def test_cast_timestamptz(self):
from psycopg2.extras import DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
ts1 = datetime(2000,1,1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000,12,31,23,59,59,999, tzinfo=FixedOffsetTimezone(600))
cur.execute("select tstzrange(%s, %s, '[]')", (ts1, ts2))
r = cur.fetchone()[0]
self.assert_(isinstance(r, DateTimeTZRange))
self.assert_(not r.isempty)
self.assertEqual(r.lower, ts1)
self.assertEqual(r.upper, ts2)
self.assert_(not r.lower_inf)
self.assert_(not r.upper_inf)
self.assert_(r.lower_inc)
self.assert_(r.upper_inc)
def test_cast_timestamptz(self):
from psycopg2.extras import DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
ts1 = datetime(2000,1,1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000,12,31,23,59,59,999, tzinfo=FixedOffsetTimezone(600))
cur.execute("select tstzrange(%s, %s, '[]')", (ts1, ts2))
r = cur.fetchone()[0]
self.assert_(isinstance(r, DateTimeTZRange))
self.assert_(not r.isempty)
self.assertEqual(r.lower, ts1)
self.assertEqual(r.upper, ts2)
self.assert_(not r.lower_inf)
self.assert_(not r.upper_inf)
self.assert_(r.lower_inc)
self.assert_(r.upper_inc)
def test_type_roundtrip_datetimetz(self):
from datetime import datetime
import psycopg2.tz
tz = psycopg2.tz.FixedOffsetTimezone(8 * 60)
dt1 = datetime(2010, 5, 3, 10, 20, 30, tzinfo=tz)
dt2 = self._test_type_roundtrip(dt1)
self.assertNotEqual(None, dt2.tzinfo)
self.assertEqual(dt1, dt2)
def test_type_roundtrip_timetz(self):
from datetime import time
import psycopg2.tz
tz = psycopg2.tz.FixedOffsetTimezone(8 * 60)
tm1 = time(10, 20, 30, tzinfo=tz)
tm2 = self._test_type_roundtrip(tm1)
self.assertNotEqual(None, tm2.tzinfo)
self.assertEqual(tm1, tm2)
def test_repr_with_positive_offset(self):
tzinfo = FixedOffsetTimezone(5 * 60)
self.assertEqual(repr(tzinfo),
"psycopg2.tz.FixedOffsetTimezone(offset=300, name=None)")
def test_repr_with_negative_offset(self):
tzinfo = FixedOffsetTimezone(-5 * 60)
self.assertEqual(repr(tzinfo),
"psycopg2.tz.FixedOffsetTimezone(offset=-300, name=None)")
def test_repr_with_name(self):
tzinfo = FixedOffsetTimezone(name="FOO")
self.assertEqual(repr(tzinfo),
"psycopg2.tz.FixedOffsetTimezone(offset=0, name='FOO')")
def test_adapt_date_range(self):
from psycopg2.extras import DateRange, DateTimeRange, DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
d1 = date(2012, 0o1, 0o1)
d2 = date(2012, 12, 31)
r = DateRange(d1, d2)
cur.execute("select %s", (r,))
r1 = cur.fetchone()[0]
self.assertTrue(isinstance(r1, DateRange))
self.assertEqual(r1.lower, d1)
self.assertEqual(r1.upper, d2)
self.assertTrue(r1.lower_inc)
self.assertTrue(not r1.upper_inc)
r = DateTimeRange(empty=True)
cur.execute("select %s", (r,))
r1 = cur.fetchone()[0]
self.assertTrue(isinstance(r1, DateTimeRange))
self.assertTrue(r1.isempty)
ts1 = datetime(2000, 1, 1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000, 12, 31, 23, 59, 59, 999,
tzinfo=FixedOffsetTimezone(600))
r = DateTimeTZRange(ts1, ts2, '(]')
cur.execute("select %s", (r,))
r1 = cur.fetchone()[0]
self.assertTrue(isinstance(r1, DateTimeTZRange))
self.assertEqual(r1.lower, ts1)
self.assertEqual(r1.upper, ts2)
self.assertTrue(not r1.lower_inc)
self.assertTrue(r1.upper_inc)
def test_type_roundtrip_datetimetz(self):
from datetime import datetime
import psycopg2.tz
tz = psycopg2.tz.FixedOffsetTimezone(8 * 60)
dt1 = datetime(2010, 5, 3, 10, 20, 30, tzinfo=tz)
dt2 = self._test_type_roundtrip(dt1)
self.assertNotEqual(None, dt2.tzinfo)
self.assertEqual(dt1, dt2)
def test_type_roundtrip_timetz(self):
from datetime import time
import psycopg2.tz
tz = psycopg2.tz.FixedOffsetTimezone(8 * 60)
tm1 = time(10, 20, 30, tzinfo=tz)
tm2 = self._test_type_roundtrip(tm1)
self.assertNotEqual(None, tm2.tzinfo)
self.assertEqual(tm1, tm2)
def test_repr_with_positive_offset(self):
tzinfo = FixedOffsetTimezone(5 * 60)
self.assertEqual(repr(tzinfo),
"psycopg2.tz.FixedOffsetTimezone(offset=300, name=None)")
def test_repr_with_negative_offset(self):
tzinfo = FixedOffsetTimezone(-5 * 60)
self.assertEqual(repr(tzinfo),
"psycopg2.tz.FixedOffsetTimezone(offset=-300, name=None)")
def test_adapt_date_range(self):
from psycopg2.extras import DateRange, DateTimeRange, DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
d1 = date(2012, 01, 01)
d2 = date(2012, 12, 31)
r = DateRange(d1, d2)
cur.execute("select %s", (r,))
r1 = cur.fetchone()[0]
self.assert_(isinstance(r1, DateRange))
self.assertEqual(r1.lower, d1)
self.assertEqual(r1.upper, d2)
self.assert_(r1.lower_inc)
self.assert_(not r1.upper_inc)
r = DateTimeRange(empty=True)
cur.execute("select %s", (r,))
r1 = cur.fetchone()[0]
self.assert_(isinstance(r1, DateTimeRange))
self.assert_(r1.isempty)
ts1 = datetime(2000, 1, 1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000, 12, 31, 23, 59, 59, 999,
tzinfo=FixedOffsetTimezone(600))
r = DateTimeTZRange(ts1, ts2, '(]')
cur.execute("select %s", (r,))
r1 = cur.fetchone()[0]
self.assert_(isinstance(r1, DateTimeTZRange))
self.assertEqual(r1.lower, ts1)
self.assertEqual(r1.upper, ts2)
self.assert_(not r1.lower_inc)
self.assert_(r1.upper_inc)
def test_type_roundtrip_datetimetz(self):
from datetime import datetime
import psycopg2.tz
tz = psycopg2.tz.FixedOffsetTimezone(8 * 60)
dt1 = datetime(2010, 5, 3, 10, 20, 30, tzinfo=tz)
dt2 = self._test_type_roundtrip(dt1)
self.assertNotEqual(None, dt2.tzinfo)
self.assertEqual(dt1, dt2)
def test_type_roundtrip_timetz(self):
from datetime import time
import psycopg2.tz
tz = psycopg2.tz.FixedOffsetTimezone(8 * 60)
tm1 = time(10, 20, 30, tzinfo=tz)
tm2 = self._test_type_roundtrip(tm1)
self.assertNotEqual(None, tm2.tzinfo)
self.assertEqual(tm1, tm2)
def test_repr_with_positive_offset(self):
tzinfo = FixedOffsetTimezone(5 * 60)
self.assertEqual(repr(tzinfo),
"psycopg2.tz.FixedOffsetTimezone(offset=300, name=None)")
def test_repr_with_negative_offset(self):
tzinfo = FixedOffsetTimezone(-5 * 60)
self.assertEqual(repr(tzinfo),
"psycopg2.tz.FixedOffsetTimezone(offset=-300, name=None)")
def test_repr_with_name(self):
tzinfo = FixedOffsetTimezone(name="FOO")
self.assertEqual(repr(tzinfo),
"psycopg2.tz.FixedOffsetTimezone(offset=0, name='FOO')")
def test_adapt_date_range(self):
from psycopg2.extras import DateRange, DateTimeRange, DateTimeTZRange
from psycopg2.tz import FixedOffsetTimezone
cur = self.conn.cursor()
d1 = date(2012, 0o1, 0o1)
d2 = date(2012, 12, 31)
r = DateRange(d1, d2)
cur.execute("select %s", (r,))
r1 = cur.fetchone()[0]
self.assertTrue(isinstance(r1, DateRange))
self.assertEqual(r1.lower, d1)
self.assertEqual(r1.upper, d2)
self.assertTrue(r1.lower_inc)
self.assertTrue(not r1.upper_inc)
r = DateTimeRange(empty=True)
cur.execute("select %s", (r,))
r1 = cur.fetchone()[0]
self.assertTrue(isinstance(r1, DateTimeRange))
self.assertTrue(r1.isempty)
ts1 = datetime(2000, 1, 1, tzinfo=FixedOffsetTimezone(600))
ts2 = datetime(2000, 12, 31, 23, 59, 59, 999,
tzinfo=FixedOffsetTimezone(600))
r = DateTimeTZRange(ts1, ts2, '(]')
cur.execute("select %s", (r,))
r1 = cur.fetchone()[0]
self.assertTrue(isinstance(r1, DateTimeTZRange))
self.assertEqual(r1.lower, ts1)
self.assertEqual(r1.upper, ts2)
self.assertTrue(not r1.lower_inc)
self.assertTrue(r1.upper_inc)
def test_type_roundtrip_datetimetz(self):
from datetime import datetime
import psycopg2.tz
tz = psycopg2.tz.FixedOffsetTimezone(8*60)
dt1 = datetime(2010,5,3,10,20,30, tzinfo=tz)
dt2 = self._test_type_roundtrip(dt1)
self.assertNotEqual(None, dt2.tzinfo)
self.assertEqual(dt1, dt2)
def test_type_roundtrip_timetz(self):
from datetime import time
import psycopg2.tz
tz = psycopg2.tz.FixedOffsetTimezone(8*60)
tm1 = time(10,20,30, tzinfo=tz)
tm2 = self._test_type_roundtrip(tm1)
self.assertNotEqual(None, tm2.tzinfo)
self.assertEqual(tm1, tm2)
def test_repr_with_positive_offset(self):
tzinfo = FixedOffsetTimezone(5 * 60)
self.assertEqual(repr(tzinfo), "psycopg2.tz.FixedOffsetTimezone(offset=300, name=None)")
def test_repr_with_negative_offset(self):
tzinfo = FixedOffsetTimezone(-5 * 60)
self.assertEqual(repr(tzinfo), "psycopg2.tz.FixedOffsetTimezone(offset=-300, name=None)")
def test_repr_with_name(self):
tzinfo = FixedOffsetTimezone(name="FOO")
self.assertEqual(repr(tzinfo), "psycopg2.tz.FixedOffsetTimezone(offset=0, name='FOO')")