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Added ',' thousands grouping to int.__format__. See PEP 378.

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This is incomplete, but I want to get some version into the next alpha. I am still working on:
Documentation.
More tests.
Implement for floats.

In addition, there's an existing bug with 'n' formatting that carries forward to thousands grouping (issue 5515).
This commit is contained in:
Eric Smith 2009-04-03 14:45:06 +00:00
parent f8c8b6d3ea
commit a3b1ac8dca
10 changed files with 190 additions and 88 deletions
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11
Lib/test/test_types.py
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@ -338,6 +338,15 @@ class TypesTests(unittest.TestCase):
test(123456, "#012X", '0X000001E240')
test(-123456, "#012X", '-0X00001E240')
test(123, ',', '123')
test(-123, ',', '-123')
test(1234, ',', '1,234')
test(-1234, ',', '-1,234')
test(123456, ',', '123,456')
test(-123456, ',', '-123,456')
test(1234567, ',', '1,234,567')
test(-1234567, ',', '-1,234,567')
# make sure these are errors
# precision disallowed
@ -347,6 +356,8 @@ class TypesTests(unittest.TestCase):
# format spec must be string
self.assertRaises(TypeError, 3 .__format__, None)
self.assertRaises(TypeError, 3 .__format__, 0)
# can't have ',' with 'n'
self.assertRaises(ValueError, 3 .__format__, ",n")
# ensure that only int and float type specifiers work
for format_spec in ([chr(x) for x in range(ord('a'), ord('z')+1)] +