mirror of
https://github.com/kennethreitz-archive/parse.git
synced 2026-06-05 23:40:17 +00:00
Richard Jones
494 lines
19 KiB
Python
494 lines
19 KiB
Python
'''Test suite for parse.py
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This code is copyright 2011 eKit.com Inc (http://www.ekit.com/)
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See the end of the source file for the license of use.
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'''
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import unittest
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from datetime import datetime, time
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import parse
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class TestPattern(unittest.TestCase):
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def _test_expression(self, format, expression):
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self.assertEqual(parse.Parser(format)._expression, expression)
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def test_braces(self):
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'pull a simple string out of another string'
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self._test_expression('{{ }}', '\{ \}')
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def test_fixed(self):
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'pull a simple string out of another string'
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self._test_expression('{}', '(.+?)')
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self._test_expression('{} {}', '(.+?) (.+?)')
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def test_named(self):
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'pull a named string out of another string'
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self._test_expression('{name}', '(?P<name>.+?)')
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self._test_expression('{name} {other}',
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'(?P<name>.+?) (?P<other>.+?)')
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def test_named_typed(self):
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'pull a named string out of another string'
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self._test_expression('{name:w}', '(?P<name>\w+)')
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self._test_expression('{name:w} {other:w}',
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'(?P<name>\w+) (?P<other>\w+)')
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def test_beaker(self):
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'skip some trailing whitespace'
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self._test_expression('{:<}', '(.+?) *')
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def test_left_fill(self):
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'skip some trailing periods'
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self._test_expression('{:.<}', '(.+?)\.*')
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def test_bird(self):
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'skip some trailing whitespace'
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self._test_expression('{:>}', ' *(.+?)')
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def test_center(self):
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'skip some surrounding whitespace'
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self._test_expression('{:^}', ' *(.+?) *')
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def test_format(self):
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def _(fmt, matches):
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d = parse.extract_format(fmt, {'spam':'spam'})
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for k in matches:
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self.assertEqual(d.get(k), matches[k],
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'm["%s"]=%r, expect %r' % (k, d.get(k), matches[k]))
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for t in '%obxegfdDwWsS':
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_(t, dict(type=t))
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_('10'+t, dict(type=t, width='10'))
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_('05d', dict(type='d', width='5', zero=True))
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_('<', dict(align='<'))
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_('.<', dict(align='<', fill='.'))
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_('>', dict(align='>'))
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_('.>', dict(align='>', fill='.'))
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_('^', dict(align='^'))
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_('.^', dict(align='^', fill='.'))
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_('x=d', dict(type='d', align='=', fill='x'))
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_('d', dict(type='d'))
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_('ti', dict(type='ti'))
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_('spam', dict(type='spam'))
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_('.^010d', dict(type='d', width='10', align='^', fill='.',
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zero=True))
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class TestParse(unittest.TestCase):
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def test_no_match(self):
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'string does not match format'
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self.assertEqual(parse.parse('{{hello}}', 'hello'), None)
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def test_nothing(self):
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'do no actual parsing'
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r = parse.parse('{{hello}}', '{hello}')
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self.assertEqual(r.fixed, ())
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self.assertEqual(r.named, {})
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def test_regular_expression(self):
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'match an actual regular expression'
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s = r'^(hello\s[wW]{}!+.*)$'
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e = s.replace('{}', 'orld')
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r = parse.parse(s, e)
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self.assertEqual(r.fixed, ('orld',))
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e = s.replace('{}', '.*?')
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r = parse.parse(s, e)
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self.assertEqual(r.fixed, ('.*?',))
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def test_fixed(self):
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'pull a fixed value out of string'
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r = parse.parse('hello {}', 'hello world')
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self.assertEqual(r.fixed, ('world', ))
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def test_left(self):
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'pull left-aligned text out of string'
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r = parse.parse('{:<} world', 'hello world')
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self.assertEqual(r.fixed, ('hello', ))
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def test_right(self):
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'pull right-aligned text out of string'
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r = parse.parse('hello {:>}', 'hello world')
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self.assertEqual(r.fixed, ('world', ))
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def test_center(self):
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'pull center-aligned text out of string'
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r = parse.parse('hello {:^} world', 'hello there world')
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self.assertEqual(r.fixed, ('there', ))
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def test_typed(self):
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'pull a named, typed values out of string'
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r = parse.parse('hello {:d} {:w}', 'hello 12 people')
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self.assertEqual(r.fixed, (12, 'people'))
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r = parse.parse('hello {:w} {:w}', 'hello 12 people')
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self.assertEqual(r.fixed, ('12', 'people'))
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def test_custom_type(self):
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'use a custom type'
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r = parse.parse('{:shouty} {:spam}', 'hello world',
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dict(shouty=lambda s:s.upper(), spam=lambda s:''.join(reversed(s))))
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self.assertEqual(r.fixed, ('HELLO', 'dlrow'))
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r = parse.parse('{:d}', '12', dict(d=lambda s: int(s) * 2))
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self.assertEqual(r.fixed, (24,))
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r = parse.parse('{:d}', '12')
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self.assertEqual(r.fixed, (12,))
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def test_typed_fail(self):
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'pull a named, typed values out of string'
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self.assertEqual(parse.parse('hello {:d} {:w}', 'hello people 12'), None)
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def test_named(self):
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'pull a named value out of string'
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r = parse.parse('hello {name}', 'hello world')
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self.assertEqual(r.named, {'name': 'world'})
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def test_mixed(self):
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'pull a fixed and named values out of string'
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r = parse.parse('hello {} {name} {} {spam}', 'hello world and other beings')
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self.assertEqual(r.fixed, ('world', 'other'))
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self.assertEqual(r.named, dict(name='and', spam='beings'))
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def test_named_typed(self):
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'pull a named, typed values out of string'
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r = parse.parse('hello {number:d} {things}', 'hello 12 people')
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self.assertEqual(r.named, dict(number=12, things='people'))
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r = parse.parse('hello {number:w} {things}', 'hello 12 people')
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self.assertEqual(r.named, dict(number='12', things='people'))
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def test_named_aligned_typed(self):
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'pull a named, typed values out of string'
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r = parse.parse('hello {number:<d} {things}', 'hello 12 people')
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self.assertEqual(r.named, dict(number=12, things='people'))
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r = parse.parse('hello {number:>d} {things}', 'hello 12 people')
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self.assertEqual(r.named, dict(number=12, things='people'))
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r = parse.parse('hello {number:^d} {things}', 'hello 12 people')
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self.assertEqual(r.named, dict(number=12, things='people'))
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def test_multiline(self):
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r = parse.parse('hello\n{}\nworld', 'hello\nthere\nworld')
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self.assertEqual(r.fixed[0], 'there')
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def test_spans(self):
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'test the string sections our fields come from'
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string = 'hello world'
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r = parse.parse('hello {}', string)
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self.assertEqual(r.spans, {0: (6,11)})
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start, end = r.spans[0]
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self.assertEqual(string[start:end], r.fixed[0])
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string = 'hello world'
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r = parse.parse('hello {:>}', string)
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self.assertEqual(r.spans, {0: (10,15)})
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start, end = r.spans[0]
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self.assertEqual(string[start:end], r.fixed[0])
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string = 'hello 0x12 world'
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r = parse.parse('hello {val:x} world', string)
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self.assertEqual(r.spans, {'val': (6,10)})
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start, end = r.spans['val']
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self.assertEqual(string[start:end], '0x%x' % r.named['val'])
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string = 'hello world and other beings'
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r = parse.parse('hello {} {name} {} {spam}', string)
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self.assertEqual(r.spans, {0: (6, 11), 'name': (12, 15),
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1: (16, 21), 'spam': (22, 28)})
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def test_numbers(self):
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'pull a numbers out of a string'
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def y(fmt, s, e, str_equals=False):
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p = parse.compile(fmt)
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r = p.parse(s)
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if r is None:
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self.fail('%r (%r) did not match %r' % (fmt, p._expression, s))
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r = r.fixed[0]
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if str_equals:
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self.assertEqual(str(r), str(e),
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'%r found %r in %r, not %r' % (fmt, r, s, e))
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else:
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self.assertEqual(r, e,
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'%r found %r in %r, not %r' % (fmt, r, s, e))
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def n(fmt, s, e):
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if parse.parse(fmt, s) is not None:
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self.fail('%r matched %r' % (fmt, s))
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y('a {:d} b', 'a 12 b', 12)
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y('a {:5d} b', 'a 12 b', 12)
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y('a {:5d} b', 'a -12 b', -12)
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y('a {:d} b', 'a -12 b', -12)
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y('a {:d} b', 'a +12 b', 12)
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y('a {:d} b', 'a 12 b', 12)
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y('a {:d} b', 'a 0b1000 b', 8)
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y('a {:d} b', 'a 0o1000 b', 512)
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y('a {:d} b', 'a 0x1000 b', 4096)
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y('a {:d} b', 'a 0xabcdef b', 0xabcdef)
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y('a {:%} b', 'a 100% b', 1)
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y('a {:%} b', 'a 50% b', .5)
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y('a {:%} b', 'a 50.1% b', .501)
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y('a {:n} b', 'a 100 b', 100)
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y('a {:n} b', 'a 1,000 b', 1000)
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y('a {:n} b', 'a 1.000 b', 1000)
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y('a {:n} b', 'a -1,000 b', -1000)
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y('a {:n} b', 'a 10,000 b', 10000)
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y('a {:n} b', 'a 100,000 b', 100000)
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n('a {:n} b', 'a 100,00 b', None)
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y('a {:n} b', 'a 100.000 b', 100000)
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y('a {:n} b', 'a 1.000.000 b', 1000000)
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y('a {:f} b', 'a 12.0 b', 12.0)
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y('a {:f} b', 'a -12.1 b', -12.1)
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y('a {:f} b', 'a +12.1 b', 12.1)
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n('a {:f} b', 'a 12 b', None)
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y('a {:e} b', 'a 1.0e10 b', 1.0e10)
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y('a {:e} b', 'a 1.0E10 b', 1.0e10)
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y('a {:e} b', 'a 1.10000e10 b', 1.1e10)
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y('a {:e} b', 'a 1.0e-10 b', 1.0e-10)
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y('a {:e} b', 'a 1.0e+10 b', 1.0e10)
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# can't actually test this one on values 'cos nan != nan
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y('a {:e} b', 'a nan b', float('nan'), str_equals=True)
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y('a {:e} b', 'a NAN b', float('nan'), str_equals=True)
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y('a {:e} b', 'a inf b', float('inf'))
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y('a {:e} b', 'a +inf b', float('inf'))
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y('a {:e} b', 'a -inf b', float('-inf'))
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y('a {:e} b', 'a INF b', float('inf'))
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y('a {:e} b', 'a +INF b', float('inf'))
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y('a {:e} b', 'a -INF b', float('-inf'))
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y('a {:g} b', 'a 1 b', 1)
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y('a {:g} b', 'a 1e10 b', 1e10)
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y('a {:g} b', 'a 1.0e10 b', 1.0e10)
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y('a {:g} b', 'a 1.0E10 b', 1.0e10)
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y('a {:b} b', 'a 1000 b', 8)
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y('a {:b} b', 'a 0b1000 b', 8)
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y('a {:o} b', 'a 12345670 b', int('12345670', 8))
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y('a {:o} b', 'a 0o12345670 b', int('12345670', 8))
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y('a {:x} b', 'a 1234567890abcdef b', 0x1234567890abcdef)
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y('a {:x} b', 'a 1234567890ABCDEF b', 0x1234567890ABCDEF)
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y('a {:x} b', 'a 0x1234567890abcdef b', 0x1234567890abcdef)
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y('a {:x} b', 'a 0x1234567890ABCDEF b', 0x1234567890ABCDEF)
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y('a {:05d} b', 'a 00001 b', 1)
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y('a {:05d} b', 'a -00001 b', -1)
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y('a {:05d} b', 'a +00001 b', 1)
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y('a {:=d} b', 'a 000012 b', 12)
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y('a {:x=5d} b', 'a xxx12 b', 12)
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y('a {:x=5d} b', 'a -xxx12 b', -12)
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def test_datetimes(self):
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def y(fmt, s, e, tz=None):
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p = parse.compile(fmt)
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r = p.parse(s)
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if r is None:
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self.fail('%r (%r) did not match %r' % (fmt, p._expression, s))
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r = r.fixed[0]
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self.assertEqual(r, e,
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'%r found %r in %r, not %r' % (fmt, r, s, e))
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if tz is not None:
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self.assertEqual(r.tzinfo, tz,
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'%r found TZ %r in %r, not %r' % (fmt, r.tzinfo, s, e))
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def n(fmt, s, e):
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if parse.parse(fmt, s) is not None:
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self.fail('%r matched %r' % (fmt, s))
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utc = parse.FixedTzOffset(0, 'UTC')
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aest = parse.FixedTzOffset(10*60, '+1000')
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tz60 = parse.FixedTzOffset(60, '+01:00')
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# ISO 8660 variants
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# YYYY-MM-DD (eg 1997-07-16)
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y('a {:ti} b', 'a 1997-07-16 b', datetime(1997, 7, 16))
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# YYYY-MM-DDThh:mmTZD (eg 1997-07-16T19:20+01:00)
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y('a {:ti} b', 'a 1997-07-16T19:20 b', datetime(1997, 7, 16, 19, 20, 0))
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y('a {:ti} b', 'a 1997-07-16T19:20Z b',
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datetime(1997, 7, 16, 19, 20, tzinfo=utc))
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y('a {:ti} b', 'a 1997-07-16T19:20+01:00 b',
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datetime(1997, 7, 16, 19, 20, tzinfo=tz60))
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# YYYY-MM-DDThh:mm:ssTZD (eg 1997-07-16T19:20:30+01:00)
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y('a {:ti} b', 'a 1997-07-16T19:20:30 b', datetime(1997, 7, 16, 19, 20, 30))
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y('a {:ti} b', 'a 1997-07-16T19:20:30Z b',
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datetime(1997, 7, 16, 19, 20, 30, tzinfo=utc))
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y('a {:ti} b', 'a 1997-07-16T19:20:30+01:00 b',
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datetime(1997, 7, 16, 19, 20, 30, tzinfo=tz60))
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# YYYY-MM-DDThh:mm:ss.sTZD (eg 1997-07-16T19:20:30.45+01:00)
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y('a {:ti} b', 'a 1997-07-16T19:20:30.500000 b', datetime(1997, 7, 16, 19, 20, 30, 500000))
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y('a {:ti} b', 'a 1997-07-16T19:20:30.5Z b',
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datetime(1997, 7, 16, 19, 20, 30, 500000, tzinfo=utc))
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y('a {:ti} b', 'a 1997-07-16T19:20:30.5+01:00 b',
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datetime(1997, 7, 16, 19, 20, 30, 500000, tzinfo=tz60))
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aest_d = datetime(2011, 11, 21, 10, 21, 36, tzinfo=aest)
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dt = datetime(2011, 11, 21, 10, 21, 36)
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dt00 = datetime(2011, 11, 21, 10, 21)
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d = datetime(2011, 11, 21)
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# te RFC2822 e-mail format datetime
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y('a {:te} b', 'a Mon, 21 Nov 2011 10:21:36 +1000 b', aest_d)
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y('a {:te} b', 'a 21 Nov 2011 10:21:36 +1000 b', aest_d)
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# tg global (day/month) format datetime
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y('a {:tg} b', 'a 21/11/2011 10:21:36 AM +1000 b', aest_d)
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y('a {:tg} b', 'a 21-11-2011 10:21:36 AM +1000 b', aest_d)
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y('a {:tg} b', 'a 21/11/2011 10:21:36 +1000 b', aest_d)
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y('a {:tg} b', 'a 21/11/2011 10:21:36 b', dt)
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y('a {:tg} b', 'a 21/11/2011 10:21 b', dt00)
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y('a {:tg} b', 'a 21-11-2011 b', d)
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y('a {:tg} b', 'a 21-Nov-2011 10:21:36 AM +1000 b', aest_d)
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y('a {:tg} b', 'a 21-November-2011 10:21:36 AM +1000 b', aest_d)
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# ta US (month/day) format datetime
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y('a {:ta} b', 'a 11/21/2011 10:21:36 AM +1000 b', aest_d)
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y('a {:ta} b', 'a 11-21-2011 10:21:36 AM +1000 b', aest_d)
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y('a {:ta} b', 'a 11/21/2011 10:21:36 +1000 b', aest_d)
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y('a {:ta} b', 'a 11/21/2011 10:21:36 b', dt)
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y('a {:ta} b', 'a 11/21/2011 10:21 b', dt00)
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y('a {:ta} b', 'a 11-21-2011 b', d)
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y('a {:ta} b', 'a Nov-21-2011 10:21:36 AM +1000 b', aest_d)
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y('a {:ta} b', 'a November-21-2011 10:21:36 AM +1000 b', aest_d)
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y('a {:ta} b', 'a November-21-2011 b', d)
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# th HTTP log format date/time datetime
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y('a {:th} b', 'a 21/Nov/2011:10:21:36 +1000 b', aest_d)
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d = datetime(2011, 11, 21, 10, 21, 36)
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# tc ctime() format datetime
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y('a {:tc} b', 'a Mon Nov 21 10:21:36 2011 b', d)
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t530 = parse.FixedTzOffset(-5*60 - 30, '-5:30')
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# tt Time time
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y('a {:tt} b', 'a 10:21:36 AM +1000 b', time(10, 21, 36, tzinfo=aest))
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y('a {:tt} b', 'a 10:21:36 AM b', time(10, 21, 36))
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y('a {:tt} b', 'a 10:21:36 PM b', time(22, 21, 36))
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y('a {:tt} b', 'a 10:21:36 b', time(10, 21, 36))
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y('a {:tt} b', 'a 10:21 b', time(10, 21))
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y('a {:tt} b', 'a 10:21:36 PM -5:30 b', time(22, 21, 36, tzinfo=t530))
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def test_datetime_group_count(self):
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'test we increment the group count correctly for datetimes'
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r = parse.parse('{:ti} {}', '1972-01-01 spam')
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self.assertEqual(r.fixed[1], 'spam')
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r = parse.parse('{:tg} {}', '1-1-1972 spam')
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self.assertEqual(r.fixed[1], 'spam')
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r = parse.parse('{:ta} {}', '1-1-1972 spam')
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self.assertEqual(r.fixed[1], 'spam')
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r = parse.parse('{:th} {}', '21/Nov/2011:10:21:36 +1000 spam')
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self.assertEqual(r.fixed[1], 'spam')
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|
r = parse.parse('{:te} {}', '21 Nov 2011 10:21:36 +1000 spam')
|
|
self.assertEqual(r.fixed[1], 'spam')
|
|
r = parse.parse('{:tc} {}', 'Mon Nov 21 10:21:36 2011 spam')
|
|
self.assertEqual(r.fixed[1], 'spam')
|
|
r = parse.parse('{:tt} {}', '10:21 spam')
|
|
self.assertEqual(r.fixed[1], 'spam')
|
|
|
|
def test_mixed_types(self):
|
|
'stress-test: pull one of everything out of a string'
|
|
r = parse.parse('''
|
|
letters: {:w}
|
|
non-letters: {:W}
|
|
whitespace: "{:s}"
|
|
non-whitespace: \t{:S}\n
|
|
digits: {:d} {:d} {:d}
|
|
non-digits: {:D}
|
|
numbers with thousands: {:n} {:n}
|
|
fixed-point: {:f} {:f}
|
|
floating-point: {:e} {:e}
|
|
general numbers: {:g} {:g} {:g} {:g}
|
|
binary: {:b} {:b}
|
|
octal: {:o} {:o}
|
|
hex: {:x} {:x}
|
|
ISO 8601 e.g. {:ti}
|
|
RFC2822 e.g. {:te}
|
|
Global e.g. {:tg}
|
|
US e.g. {:ta}
|
|
ctime() e.g. {:tc}
|
|
HTTP e.g. {:th}
|
|
time: {:tt}
|
|
final value: {}
|
|
''',
|
|
'''
|
|
letters: abcdef_GHIJLK
|
|
non-letters: !@#%$ *^%
|
|
whitespace: " \t\n"
|
|
non-whitespace: \tabc\n
|
|
digits: 12345 0b1011011 0xabcdef
|
|
non-digits: abcdef
|
|
numbers with thousands: 1,000 1.000.000
|
|
fixed-point: 100.2345 0.00001
|
|
floating-point: 1.1e-10 NAN
|
|
general numbers: 1 1.1 1.1e10 nan
|
|
binary: 0b1000 0B1000
|
|
octal: 0o1000 0O1000
|
|
hex: 0x1000 0X1000
|
|
ISO 8601 e.g. 1972-01-20T10:21:36Z
|
|
RFC2822 e.g. Mon, 20 Jan 1972 10:21:36 +1000
|
|
Global e.g. 20/1/1972 10:21:36 AM +1:00
|
|
US e.g. 1/20/1972 10:21:36 PM +10:30
|
|
ctime() e.g. Sun Sep 16 01:03:52 1973
|
|
HTTP e.g. 21/Nov/2011:00:07:11 +0000
|
|
time: 10:21:36 PM -5:30
|
|
final value: spam
|
|
''')
|
|
self.assertEqual(r.fixed[31], 'spam')
|
|
|
|
def test_too_many_fields(self):
|
|
p = parse.compile('{:ti}' * 15)
|
|
self.assertRaises(parse.TooManyFields, p.parse, '')
|
|
|
|
|
|
class TestSearch(unittest.TestCase):
|
|
def test_basic(self):
|
|
'basic search() test'
|
|
r = parse.search('a {} c', ' a b c ')
|
|
self.assertEqual(r.fixed, ('b',))
|
|
|
|
def test_multiline(self):
|
|
'multiline search() test'
|
|
r = parse.search('age: {:d}\n', 'name: Rufus\nage: 42\ncolor: red\n')
|
|
self.assertEqual(r.fixed, (42,))
|
|
|
|
def test_pos(self):
|
|
'basic search() test'
|
|
r = parse.search('a {} c', ' a b c ', 2)
|
|
self.assertEqual(r, None)
|
|
|
|
class TestFindall(unittest.TestCase):
|
|
def test_findall(self):
|
|
'basic findall() test'
|
|
s = ''.join(r.fixed[0] for r in parse.findall(">{}<", "<p>some <b>bold</b> text</p>"))
|
|
self.assertEqual(s, "some bold text")
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|
|
|
|
|
|
# Copyright (c) 2011 eKit.com Inc (http://www.ekit.com/)
|
|
#
|
|
# Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
# of this software and associated documentation files (the "Software"), to deal
|
|
# in the Software without restriction, including without limitation the rights
|
|
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
# copies of the Software, and to permit persons to whom the Software is
|
|
# furnished to do so, subject to the following conditions:
|
|
#
|
|
# The above copyright notice and this permission notice shall be included in
|
|
# all copies or substantial portions of the Software.
|
|
#
|
|
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
# SOFTWARE.
|
|
|
|
# vim: set filetype=python ts=4 sw=4 et si tw=75
|