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https://github.com/psycopg/psycopg2.git
synced 2024-11-10 19:16:34 +03:00
New implementation of Range sorting that works for Python 2.5 to 3.3, at least.
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@ -139,15 +139,35 @@ class Range(object):
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def __lt__(self, other):
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if not isinstance(other, Range):
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return False
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return ((self._lower, self._upper, self._bounds) <
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(other._lower, other._upper, other._bounds))
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return NotImplemented
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for attr in self.__slots__:
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self_value = getattr(self, attr)
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other_value = getattr(other, attr)
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if self_value == other_value:
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pass
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elif self_value is None:
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return True
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elif other_value is None:
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return False
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else:
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return self_value < other_value
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return False
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def __le__(self, other):
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if not isinstance(other, Range):
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return False
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return ((self._lower, self._upper, self._bounds) <=
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(other._lower, other._upper, other._bounds))
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return NotImplemented
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for attr in self.__slots__:
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self_value = getattr(self, attr)
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other_value = getattr(other, attr)
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if self_value == other_value:
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pass
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elif self_value is None:
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return True
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elif other_value is None:
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return False
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else:
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return self_value <= other_value
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return True
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def register_range(pgrange, pyrange, conn_or_curs, globally=False):
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@ -13,6 +13,7 @@
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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from __future__ import with_statement
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import re
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import sys
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@ -22,6 +23,7 @@ from functools import wraps
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from testutils import unittest, skip_if_no_uuid, skip_before_postgres
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from testutils import ConnectingTestCase, decorate_all_tests
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from testutils import py3_raises_typeerror
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import psycopg2
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import psycopg2.extras
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@ -1240,8 +1242,10 @@ class RangeTestCase(unittest.TestCase):
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self.assert_(not Range() < Range())
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self.assert_(not Range(empty=True) < Range(empty=True))
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self.assert_(not Range(1, 2) < Range(1, 2))
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self.assert_(1 < Range(1, 2))
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self.assert_(not Range(1, 2) < 1)
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with py3_raises_typeerror():
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self.assert_(1 < Range(1, 2))
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with py3_raises_typeerror():
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self.assert_(not Range(1, 2) < 1)
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def test_gt_ordering(self):
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from psycopg2.extras import Range
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@ -1254,8 +1258,10 @@ class RangeTestCase(unittest.TestCase):
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self.assert_(not Range() > Range())
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self.assert_(not Range(empty=True) > Range(empty=True))
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self.assert_(not Range(1, 2) > Range(1, 2))
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self.assert_(not 1 > Range(1, 2))
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self.assert_(Range(1, 2) > 1)
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with py3_raises_typeerror():
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self.assert_(not 1 > Range(1, 2))
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with py3_raises_typeerror():
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self.assert_(Range(1, 2) > 1)
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def test_le_ordering(self):
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from psycopg2.extras import Range
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@ -1268,8 +1274,10 @@ class RangeTestCase(unittest.TestCase):
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self.assert_(Range() <= Range())
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self.assert_(Range(empty=True) <= Range(empty=True))
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self.assert_(Range(1, 2) <= Range(1, 2))
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self.assert_(1 <= Range(1, 2))
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self.assert_(not Range(1, 2) <= 1)
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with py3_raises_typeerror():
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self.assert_(1 <= Range(1, 2))
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with py3_raises_typeerror():
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self.assert_(not Range(1, 2) <= 1)
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def test_ge_ordering(self):
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from psycopg2.extras import Range
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@ -1282,8 +1290,10 @@ class RangeTestCase(unittest.TestCase):
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self.assert_(Range() >= Range())
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self.assert_(Range(empty=True) >= Range(empty=True))
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self.assert_(Range(1, 2) >= Range(1, 2))
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self.assert_(not 1 >= Range(1, 2))
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self.assert_(Range(1, 2) >= 1)
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with py3_raises_typeerror():
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self.assert_(not 1 >= Range(1, 2))
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with py3_raises_typeerror():
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self.assert_(Range(1, 2) >= 1)
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def skip_if_no_range(f):
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@ -329,3 +329,13 @@ def script_to_py3(script):
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f2.close()
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os.remove(filename)
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class py3_raises_typeerror(object):
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def __enter__(self):
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pass
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def __exit__(self, type, exc, tb):
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if sys.version_info[0] >= 3:
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assert type is TypeError
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return True
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