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9032491efd
This groups non-decimal values by fours, such as bbb_bbbb_bbbb. It also
supports `{:_d}` to use underscore for decimal numbers (grouped in threes).
Use of incorrect ":,b" is not diagnosed.
Thanks to @dpgeorge for the suggestion to reduce code size.
Signed-off-by: Jeff Epler <jepler@gmail.com>
93 lines
1.9 KiB
Python
93 lines
1.9 KiB
Python
# basic functionality test for {} format string
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def test(fmt, *args):
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print('{:8s}'.format(fmt) + '>' + fmt.format(*args) + '<')
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test("}}{{")
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test("{}-{}", 1, [4, 5])
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test("{0}-{1}", 1, [4, 5])
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test("{1}-{0}", 1, [4, 5])
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test("{:x}", 1)
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test("{!r}", 2)
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test("{:x}", 0x10)
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test("{!r}", "foo")
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test("{!s}", "foo")
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test("{0!r:>10s} {0!s:>10s}", "foo")
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test("{:4b}", 10)
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test("{:4c}", 48)
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test("{:4d}", 123)
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test("{:4n}", 123)
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test("{:4o}", 123)
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test("{:4x}", 123)
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test("{:4X}", 123)
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test("{:4,d}", 1)
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test("{:4_d}", 1)
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test("{:4_o}", 1)
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test("{:4_b}", 1)
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test("{:4_x}", 1)
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test("{:4,d}", 12345678)
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test("{:4_d}", 12345678)
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test("{:4_o}", 12345678)
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test("{:4_b}", 12345678)
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test("{:4_x}", 12345678)
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test("{:#4b}", 10)
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test("{:#4o}", 123)
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test("{:#4x}", 123)
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test("{:#4X}", 123)
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test("{:#4d}", 0)
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test("{:#4b}", 0)
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test("{:#4o}", 0)
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test("{:#4x}", 0)
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test("{:#4X}", 0)
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test("{:<6s}", "ab")
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test("{:>6s}", "ab")
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test("{:^6s}", "ab")
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test("{:.1s}", "ab")
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test("{: <6d}", 123)
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test("{: <6d}", -123)
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test("{:0<6d}", 123)
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test("{:0<6d}", -123)
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test("{:@<6d}", 123)
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test("{:@<6d}", -123)
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test("{:@< 6d}", 123)
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test("{:@< 6d}", -123)
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test("{:@<+6d}", 123)
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test("{:@<+6d}", -123)
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test("{:@<-6d}", 123)
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test("{:@<-6d}", -123)
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test("{:@>6d}", -123)
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test("{:@<6d}", -123)
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test("{:@=6d}", -123)
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test("{:06d}", -123)
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test("{:>20}", "foo")
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test("{:^20}", "foo")
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test("{:<20}", "foo")
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# formatting bool as int
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test('{:d}', False)
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test('{:20}', False)
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test('{:d}', True)
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test('{:20}', True)
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# nested format specifiers
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print("{:{}}".format(123, '#>10'))
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print("{:{}{}{}}".format(123, '#', '>', '10'))
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print("{0:{1}{2}}".format(123, '#>', '10'))
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print("{text:{align}{width}}".format(text="foo", align="<", width=20))
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print("{text:{align}{width}}".format(text="foo", align="^", width=10))
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print("{text:{align}{width}}".format(text="foo", align=">", width=30))
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print("{foo}/foo".format(foo="bar"))
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print("{}".format(123, foo="bar"))
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print("{}-{foo}".format(123, foo="bar"))
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