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Issue 7994: Make object.__format__() raise a PendingDeprecationWarning

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if the format string is not empty. Manually merge r79596 and r84772
from 2.x.

Also, apparently test_format() from test_builtin never made it into
3.x. I've added it as well. It tests the basic format()
infrastructure.
This commit is contained in:
Eric Smith 2010-09-13 20:48:43 +00:00
parent af9d10aa30
commit e4d6317c87
4 changed files with 144 additions and 6 deletions
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11
Lib/test/test_unicode.py
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@ -609,13 +609,16 @@ class UnicodeTest(string_tests.CommonTest,
self.assertEqual('{0}'.format({}), '{}')
self.assertEqual('{0}'.format([]), '[]')
self.assertEqual('{0}'.format([1]), '[1]')
self.assertEqual('{0}'.format(E('data')), 'E(data)')
self.assertEqual('{0:^10}'.format(E('data')), ' E(data) ')
self.assertEqual('{0:^10s}'.format(E('data')), ' E(data) ')
self.assertEqual('{0:d}'.format(G('data')), 'G(data)')
self.assertEqual('{0:>15s}'.format(G('data')), ' string is data')
self.assertEqual('{0!s}'.format(G('data')), 'string is data')
msg = 'object.__format__ with a non-empty format string is deprecated'
with support.check_warnings((msg, PendingDeprecationWarning)):
self.assertEqual('{0:^10}'.format(E('data')), ' E(data) ')
self.assertEqual('{0:^10s}'.format(E('data')), ' E(data) ')
self.assertEqual('{0:>15s}'.format(G('data')), ' string is data')
self.assertEqual("{0:date: %Y-%m-%d}".format(I(year=2007,
month=8,
day=27)),