def _productions(self):
"""Return definition used for parsing."""
types = self._prods # rename!
func = Prod(name='MSValue-Sub',
match=lambda t, v: t == self._prods.FUNCTION,
toSeq=lambda t, tokens:
(MSValue._functionName,
MSValue(pushtoken(t, tokens), parent=self)))
funcProds = Sequence(
Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION,
toSeq=lambda t, tokens: (t[0], t[1])),
Sequence(
Choice(
_ColorProd(self),
_DimensionProd(self),
_URIProd(self),
_ValueProd(self),
_MSValueProd(self),
# _CalcValueProd(self),
_CSSVariableProd(self),
func,
# _CSSFunctionProd(self),
Prod(name='MSValuePart',
match=lambda t, v: v != ')',
toSeq=lambda t, tokens: (t[0], t[1]))),
minmax=lambda: (0, None)),
PreDef.funcEnd(stop=True))
return funcProds
def test_init(self):
"Choice.__init__()"
p1 = Prod('p1', lambda t, v: t == 1)
p2 = Prod('p2', lambda t, v: t == 2)
t0 = (0, 0, 0, 0)
t1 = (1, 0, 0, 0)
t2 = (2, 0, 0, 0)
ch = Choice(p1, p2)
self.assertRaisesMsg(ParseError,
'No match for (0, 0, 0, 0) in Choice(p1, p2)',
ch.nextProd, t0)
self.assertEqual(p1, ch.nextProd(t1))
self.assertRaisesMsg(Exhausted, 'Extra token', ch.nextProd, t1)
ch = Choice(p1, p2)
self.assertEqual(p2, ch.nextProd(t2))
self.assertRaisesMsg(Exhausted, 'Extra token', ch.nextProd, t2)
ch = Choice(p2, p1)
self.assertRaisesMsg(ParseError,
'No match for (0, 0, 0, 0) in Choice(p2, p1)',
ch.nextProd, t0)
self.assertEqual(p1, ch.nextProd(t1))
self.assertRaisesMsg(Exhausted, 'Extra token', ch.nextProd, t1)
ch = Choice(p2, p1)
self.assertEqual(p2, ch.nextProd(t2))
self.assertRaisesMsg(Exhausted, 'Extra token', ch.nextProd, t2)
def test_initToStore(self):
"Prod.__init__(...toStore=...)"
p = Prod('all', lambda t, v: True, toStore='key')
# save as key
s = {}
p.toStore(s, 1)
self.assertEqual(s['key'], 1)
# append to key
s = {'key': []}
p.toStore(s, 1)
p.toStore(s, 2)
self.assertEqual(s['key'], [1, 2])
# callback
def doubleToStore(key):
def toStore(store, item):
store[key] = item * 2
return toStore
p = Prod('all', lambda t, v: True, toStore=doubleToStore('key'))
s = {'key': []}
p.toStore(s, 1)
self.assertEqual(s['key'], 2)
def test_init(self):
"Prod.__init__(...)"
p = Prod('min', lambda t, v: t == 1 and v == 2)
self.assertEqual(str(p), 'min')
self.assertEqual(p.toStore, None)
self.assertEqual(p.optional, False)
p = Prod('optional', lambda t, v: True, optional=True)
self.assertEqual(p.optional, True)
def _setCssText(self, cssText):
self._checkReadonly()
types = self._prods # rename!
_operator = Choice(Prod(name='Operator */',
match=lambda t, v: v in '*/',
toSeq=lambda t, tokens: (t[0], t[1])
),
Sequence(
PreDef.S(),
Choice(
Sequence(
Prod(name='Operator */',
match=lambda t, v: v in '*/',
toSeq=lambda t, tokens: (t[0], t[1])
),
PreDef.S(optional=True)
),
Sequence(
Prod(name='Operator +-',
match=lambda t, v: v in '+-',
toSeq=lambda t, tokens: (t[0], t[1])
),
PreDef.S()
),
PreDef.funcEnd(stop=True, mayEnd=True)
)
)
)
def _operant(): return Choice(_DimensionProd(self),
_CSSVariableProd(self))
prods = Sequence(Prod(name='CALC',
match=lambda t, v: t == types.FUNCTION and
normalize(v) == 'calc('
),
PreDef.S(optional=True),
_operant(),
Sequence(_operator,
_operant(),
minmax=lambda: (0, None)
),
PreDef.funcEnd(stop=True)
)
# store: name of variable
ok, seq, store, unused = ProdParser().parse(cssText,
'CSSCalc',
prods,
checkS=True)
self.wellformed = ok
if ok:
self._setSeq(seq)
def test_reset(self):
"Sequence.reset()"
p1 = Prod('p1', lambda t, v: t == 1)
p2 = Prod('p2', lambda t, v: t == 2)
seq = Sequence(p1, p2)
t1 = (1, 0, 0, 0)
t2 = (2, 0, 0, 0)
self.assertEqual(p1, seq.nextProd(t1))
self.assertEqual(p2, seq.nextProd(t2))
self.assertRaises(Exhausted, seq.nextProd, t1)
seq.reset()
self.assertEqual(p1, seq.nextProd(t1))
def test_reset(self):
"Choice.reset()"
p1 = Prod('p1', lambda t, v: t == 1)
p2 = Prod('p2', lambda t, v: t == 2)
t1 = (1, 0, 0, 0)
t2 = (2, 0, 0, 0)
ch = Choice(p1, p2)
self.assertEqual(p1, ch.nextProd(t1))
self.assertRaises(Exhausted, ch.nextProd, t1)
ch.reset()
self.assertEqual(p2, ch.nextProd(t2))
def test_matches(self):
"Prod.matches(token)"
p1 = Prod('p1', lambda t, v: t == 1 and v == 2)
p2 = Prod('p2', lambda t, v: t == 1 and v == 2, optional=True)
self.assertEqual(p1.matches([1, 2, 0, 0]), True)
self.assertEqual(p2.matches([1, 2, 0, 0]), True)
self.assertEqual(p1.matches([0, 0, 0, 0]), False)
self.assertEqual(p2.matches([0, 0, 0, 0]), False)
def _MSValueProd(parent, nextSor=False):
return Prod(name=MSValue._functionName,
match=lambda t, v: ( # t == self._prods.FUNCTION and (
normalize(v) in ('expression(',
'alpha(',
'blur(',
'chroma(',
'dropshadow(',
'fliph(',
'flipv(',
'glow(',
'gray(',
'invert(',
'mask(',
'shadow(',
'wave(',
'xray(') or
v.startswith('progid:DXImageTransform.Microsoft.')
),
nextSor=nextSor,
toSeq=lambda t, tokens: (MSValue._functionName,
MSValue(pushtoken(t,
tokens
),
parent=parent
)
)
)
def test_init(self):
"Sequence.__init__()"
p1 = Prod('p1', lambda t, v: t == 1)
seq = Sequence(p1, p1)
self.assertEqual(1, seq._min)
self.assertEqual(1, seq._max)
def _URIProd(parent, nextSor=False, toStore=None):
return Prod(name='URIValue',
match=lambda t, v: t == 'URI',
toStore=toStore,
nextSor=nextSor,
toSeq=lambda t, tokens:
('URIValue', URIValue(pushtoken(t, tokens), parent=parent)))
def _ValueProd(parent, nextSor=False, toStore=None):
return Prod(name='Value',
match=lambda t, v: t in ('IDENT', 'STRING', 'UNICODE-RANGE'),
nextSor=nextSor,
toStore=toStore,
toSeq=lambda t, tokens:
('Value', Value(pushtoken(t, tokens), parent=parent)))
def _setCssText(self, cssText):
self._checkReadonly()
types = self._prods # rename!
prods = Sequence(
Prod(name='var',
match=lambda t, v: t == types.FUNCTION and normalize(v) ==
'var('), PreDef.ident(toStore='ident'),
Sequence(PreDef.comma(),
Choice(_ColorProd(self, toStore='fallback'),
_DimensionProd(self, toStore='fallback'),
_URIProd(self, toStore='fallback'),
_ValueProd(self, toStore='fallback'),
_CalcValueProd(self, toStore='fallback'),
_CSSVariableProd(self, toStore='fallback'),
_CSSFunctionProd(self, toStore='fallback')),
minmax=lambda: (0, 1)), PreDef.funcEnd(stop=True))
# store: name of variable
store = {'ident': None, 'fallback': None}
ok, seq, store, unused = ProdParser().parse(cssText, 'CSSVariable',
prods)
self.wellformed = ok
if ok:
self._name = store['ident'].value
try:
self._fallback = store['fallback'].value
except KeyError:
self._fallback = None
self._setSeq(seq)
def mediaquery(): return Prod(name='MediaQueryStart',
match=lambda t, v: t == 'IDENT' or v == '(',
toSeq=lambda t, tokens: ('MediaQuery',
MediaQuery(pushtoken(t, tokens),
_partof=True))
)
prods = Sequence(Sequence(PreDef.comment(parent=self),
def _DimensionProd(parent, nextSor=False, toStore=None):
return Prod(
name='Dimension',
match=lambda t, v: t in ('DIMENSION', 'NUMBER', 'PERCENTAGE'),
nextSor=nextSor,
toStore=toStore,
toSeq=lambda t, tokens:
('DIMENSION', DimensionValue(pushtoken(t, tokens), parent=parent)))
def _CalcValueProd(parent, nextSor=False, toStore=None):
return Prod(
name=CSSCalc._functionName,
match=lambda t, v: t == PreDef.types.FUNCTION and normalize(
v) == 'calc(',
toStore=toStore,
toSeq=lambda t, tokens:
(CSSCalc._functionName, CSSCalc(pushtoken(t, tokens), parent=parent)),
nextSor=nextSor)
def test_matches(self):
"Choice.matches()"
p1 = Prod('p1', lambda t, v: t == 1)
p2 = Prod('p2', lambda t, v: t == 2, optional=True)
t1 = (1, 0, 0, 0)
t2 = (2, 0, 0, 0)
t3 = (3, 0, 0, 0)
c = Choice(p1, p2)
self.assertEqual(True, c.matches(t1))
self.assertEqual(True, c.matches(t2))
self.assertEqual(False, c.matches(t3))
c = Choice(Sequence(p1), Sequence(p2))
self.assertEqual(True, c.matches(t1))
self.assertEqual(True, c.matches(t2))
self.assertEqual(False, c.matches(t3))
def test_initminmax(self):
"Sequence.__init__(...minmax=...)"
p1 = Prod('p1', lambda t, v: t == 1)
p2 = Prod('p2', lambda t, v: t == 2)
s = Sequence(p1, p2, minmax=lambda: (2, 3))
self.assertEqual(2, s._min)
self.assertEqual(3, s._max)
s = Sequence(p1, p2, minmax=lambda: (0, None))
self.assertEqual(0, s._min)
try:
# py2.6/3
m = sys.maxsize
except AttributeError:
# py<1.6
m = sys.maxsize
self.assertEqual(m, s._max)
def test_optional(self):
"Sequence.optional"
p1 = Prod('p1', lambda t, v: t == 1)
s = Sequence(p1, minmax=lambda: (1, 3))
self.assertEqual(False, s.optional)
s = Sequence(p1, minmax=lambda: (0, 3))
self.assertEqual(True, s.optional)
s = Sequence(p1, minmax=lambda: (0, None))
self.assertEqual(True, s.optional)
def _ColorProd(parent, nextSor=False, toStore=None):
return Prod(
name='ColorValue',
match=lambda t, v: (t == 'HASH' and reHexcolor.match(v)) or
(t == 'FUNCTION' and normalize(v) in
('rgb(', 'rgba(', 'hsl(', 'hsla(')) or
(t == 'IDENT' and normalize(v) in as_list(ColorValue.COLORS.keys())),
nextSor=nextSor,
toStore=toStore,
toSeq=lambda t, tokens:
('ColorValue', ColorValue(pushtoken(t, tokens), parent=parent)))
def test_nested(self):
"Choice with nested Sequence"
p1 = Prod('p1', lambda t, v: t == 1)
p2 = Prod('p2', lambda t, v: t == 2)
s1 = Sequence(p1, p1)
s2 = Sequence(p2, p2)
t0 = (0, 0, 0, 0)
t1 = (1, 0, 0, 0)
t2 = (2, 0, 0, 0)
ch = Choice(s1, s2)
self.assertRaisesMsg(
ParseError,
'No match for (0, 0, 0, 0) in Choice(Sequence(p1, p1), Sequence(p2, p2))',
ch.nextProd, t0)
self.assertEqual(s1, ch.nextProd(t1))
self.assertRaisesMsg(Exhausted, 'Extra token', ch.nextProd, t1)
ch = Choice(s1, s2)
self.assertEqual(s2, ch.nextProd(t2))
self.assertRaisesMsg(Exhausted, 'Extra token', ch.nextProd, t1)
def expression():
return Sequence(
PreDef.char(name='expression', char='('),
Prod(name='media_feature',
match=lambda t, v: t == PreDef.types.IDENT),
Sequence(
PreDef.char(name='colon', char=':'),
css_parser.css.value.MediaQueryValueProd(self),
minmax=lambda: (0, 1) # optional
),
PreDef.char(name='expression END',
char=')',
stopIfNoMoreMatch=self._partof))
def test_initToSeq(self):
"Prod.__init__(...toSeq=...)"
# simply saves
p = Prod('all', lambda t, tokens: True, toSeq=None)
self.assertEqual(p.toSeq([1, 2], None), (1, 2)) # simply saves
self.assertEqual(p.toSeq(['s1', 's2'], None),
('s1', 's2')) # simply saves
# saves callback(val)
p = Prod('all',
lambda t, v: True,
toSeq=lambda t, tokens: (1 == t[0], 3 == t[1]))
self.assertEqual(p.toSeq([1, 3], None), (True, True))
self.assertEqual(p.toSeq([2, 4], None), (False, False))
def _productions(self):
"""Return definition used for parsing."""
types = self._prods # rename!
itemProd = Choice(_ColorProd(self), _DimensionProd(self),
_URIProd(self), _ValueProd(self),
_CalcValueProd(self), _CSSVariableProd(self),
_CSSFunctionProd(self))
funcProds = Sequence(
Prod(name='FUNCTION',
match=lambda t, v: t == types.FUNCTION,
toSeq=lambda t, tokens: (t[0], normalize(t[1]))),
Choice(
Sequence(
itemProd,
Sequence(PreDef.comma(optional=True),
itemProd,
minmax=lambda: (0, None)),
PreDef.funcEnd(stop=True)), PreDef.funcEnd(stop=True)))
return funcProds
def _setCssText(self, cssText):
"""
:exceptions:
- :exc:`~xml.dom.SyntaxErr`:
Raised if the specified CSS string value has a syntax error and
is unparsable.
- :exc:`~xml.dom.InvalidModificationErr`:
Raised if the specified CSS string value represents a different
type of rule than the current one.
- :exc:`~xml.dom.HierarchyRequestErr`:
Raised if the rule cannot be inserted at this point in the
style sheet.
- :exc:`~xml.dom.NoModificationAllowedErr`:
Raised if the rule is readonly.
"""
super(MarginRule, self)._setCssText(cssText)
# TEMP: all style tokens are saved in store to fill styledeclaration
# TODO: resolve when all generators
styletokens = Prod(name='styletokens',
match=lambda t, v: v != '}',
# toSeq=False,
toStore='styletokens',
storeToken=True
)
prods = Sequence(Prod(name='@ margin',
match=lambda t, v:
t == 'ATKEYWORD' and
self._normalize(v) in MarginRule.margins,
toStore='margin'
# TODO?
# , exception=xml.dom.InvalidModificationErr
),
PreDef.char('OPEN', '{'),
Sequence(Choice(PreDef.unknownrule(toStore='@'),
styletokens),
minmax=lambda: (0, None)
),
PreDef.char('CLOSE', '}', stopAndKeep=True)
)
# parse
ok, seq, store, unused = ProdParser().parse(cssText,
'MarginRule',
prods)
if ok:
# TODO: use seq for serializing instead of fixed stuff?
self._setSeq(seq)
if 'margin' in store:
# may raise:
self.margin = store['margin'].value
else:
self._log.error('No margin @keyword for this %s rule' %
self.margin,
error=xml.dom.InvalidModificationErr)
# new empty style
self.style = CSSStyleDeclaration(parentRule=self)
if 'styletokens' in store:
# may raise:
self.style.cssText = store['styletokens']
def mediaquery():
return Prod(
name='MediaQueryStart',
match=lambda t, v: t == 'IDENT' or v == '(',
toSeq=lambda t, tokens:
('MediaQuery', MediaQuery(pushtoken(t, tokens), _partof=True)))
def _setMediaText(self, mediaText):
"""
:param mediaText:
a single media query string, e.g. ``print and (min-width: 25cm)``
:exceptions:
- :exc:`~xml.dom.SyntaxErr`:
Raised if the specified string value has a syntax error and is
unparsable.
- :exc:`~xml.dom.InvalidCharacterErr`:
Raised if the given mediaType is unknown.
- :exc:`~xml.dom.NoModificationAllowedErr`:
Raised if this media query is readonly.
media_query
: [ONLY | NOT]? S* media_type S* [ AND S* expression ]*
| expression [ AND S* expression ]*
;
media_type
: IDENT
;
expression
: '(' S* media_feature S* [ ':' S* expr ]? ')' S*
;
media_feature
: IDENT
;
"""
self._checkReadonly()
def expression():
return Sequence(
PreDef.char(name='expression', char='('),
Prod(name='media_feature',
match=lambda t, v: t == PreDef.types.IDENT),
Sequence(
PreDef.char(name='colon', char=':'),
css_parser.css.value.MediaQueryValueProd(self),
minmax=lambda: (0, 1) # optional
),
PreDef.char(name='expression END',
char=')',
stopIfNoMoreMatch=self._partof))
prods = Choice(
Sequence(
Prod(
name='ONLY|NOT', # media_query
match=lambda t, v: t == PreDef.types.IDENT and normalize(v)
in ('only', 'not'),
optional=True,
toStore='not simple'),
Prod(name='media_type',
match=lambda t, v: t == PreDef.types.IDENT and normalize(
v) in self.MEDIA_TYPES,
stopIfNoMoreMatch=True,
toStore='media_type'),
Sequence(Prod(name='AND',
match=lambda t, v: t == PreDef.types.IDENT and
normalize(v) == 'and',
toStore='not simple'),
expression(),
minmax=lambda: (0, None))),
Sequence(
expression(),
Sequence(Prod(name='AND',
match=lambda t, v: t == PreDef.types.IDENT and
normalize(v) == 'and'),
expression(),
minmax=lambda: (0, None))),
Sequence(
Prod(
name='ONLY|NOT', # media_query
match=lambda t, v: t == PreDef.types.IDENT and normalize(v)
in ('only', 'not'),
optional=True,
toStore='not simple'),
Prod(name='media_type',
match=lambda t, v: t == PreDef.types.IDENT,
toStore='media_type'),
Sequence(Prod(name='AND',
match=lambda t, v: t == PreDef.types.IDENT and
normalize(v) == 'and',
toStore='not simple'),
expression(),
minmax=lambda: (0, None))))
# parse
ok, seq, store, unused = ProdParser().parse(mediaText, 'MediaQuery',
prods)
self._wellformed = ok
if ok:
try:
media_type = store['media_type']
except KeyError:
pass
else:
if 'not simple' not in store:
self.mediaType = media_type.value
# TODO: filter doubles!
self._setSeq(seq)
def test_nextProd(self):
"Sequence.nextProd()"
p1 = Prod('p1', lambda t, v: t == 1, optional=True)
p2 = Prod('p2', lambda t, v: t == 2)
t1 = (1, 0, 0, 0)
t2 = (2, 0, 0, 0)
tests = {
# seq: list of list of (token, prod or error msg)
(
p1, ): (
[(t1, p1)],
[(t2, 'Extra token')], # as p1 optional
[(t1, p1), (t1, 'Extra token')],
[(t1, p1), (t2, 'Extra token')]),
(p2, ): ([(t2, p2)], [(t2, p2), (t2, 'Extra token')], [
(t2, p2), (t1, 'Extra token')
], [(t1, 'Missing token for production p2')]),
(p1, p2): ([(t1, p1),
(t2, p2)], [(t1, p1),
(t1, 'Missing token for production p2')])
}
for seqitems, results in tests.items():
for result in results:
seq = Sequence(*seqitems)
for t, p in result:
if isinstance(p, basestring):
self.assertRaisesMsg(ParseError, p, seq.nextProd, t)
else:
self.assertEqual(p, seq.nextProd(t))
tests = {
# seq: list of list of (token, prod or error msg)
# as p1 optional!
(p1, p1): (
[(t1, p1)],
[(t1, p1), (t1, p1)],
[(t1, p1), (t1, p1)],
[(t1, p1), (t1, p1), (t1, p1)],
[(t1, p1), (t1, p1), (t1, p1), (t1, p1)],
[(t1, p1), (t1, p1), (t1, p1), (t1, p1), (t1, 'Extra token')],
),
(p1, ): ([(t1, p1)], [(t2, 'Extra token')], [(t1, p1), (t1, p1)], [
(t1, p1), (t2, 'Extra token')
], [(t1, p1),
(t1, p1), (t1, 'Extra token')], [(t1, p1), (t1, p1),
(t2, 'Extra token')]),
# as p2 NOT optional
(
p2, ):
([(t2, p2)], [(t1, 'Missing token for production p2')], [(t2, p2),
(t2, p2)],
[(t2, p2), (t1, 'No match for (1, 0, 0, 0) in Sequence(p2)')], [
(t2, p2), (t2, p2), (t2, 'Extra token')
], [(t2, p2), (t2, p2), (t1, 'Extra token')]),
(p1, p2): (
[(t1, p1), (t1, 'Missing token for production p2')],
[(t2, p2), (t2, p2)],
[(t2, p2), (t1, p1), (t2, p2)],
[(t1, p1), (t2, p2), (t2, p2)],
[(t1, p1), (t2, p2), (t1, p1), (t2, p2)],
[(t2, p2), (t2, p2), (t2, 'Extra token')],
[(t2, p2), (t1, p1), (t2, p2), (t1, 'Extra token')],
[(t2, p2), (t1, p1), (t2, p2), (t2, 'Extra token')],
[(t1, p1), (t2, p2), (t2, p2), (t1, 'Extra token')],
[(t1, p1), (t2, p2), (t2, p2), (t2, 'Extra token')],
[(t1, p1), (t2, p2), (t1, p1), (t2, p2), (t1, 'Extra token')],
[(t1, p1), (t2, p2), (t1, p1), (t2, p2), (t2, 'Extra token')],
)
}
for seqitems, results in tests.items():
for result in results:
seq = Sequence(minmax=lambda: (1, 2), *seqitems)
for t, p in result:
if isinstance(p, basestring):
self.assertRaisesMsg(ParseError, p, seq.nextProd, t)
else:
self.assertEqual(p, seq.nextProd(t))
def test_combi(self):
"ProdParser.parse() 2"
p1 = Prod('p1', lambda t, v: v == '1')
p2 = Prod('p2', lambda t, v: v == '2')
p3 = Prod('p3', lambda t, v: v == '3')
tests = {
'1 2': True,
'1 2 1 2': True,
'3': True,
# '': 'No match in Choice(Sequence(p1, p2), p3)',
'1': 'Missing token for production p2',
'1 2 1': 'Missing token for production p2',
'1 2 1 2 x': "No match: ('IDENT', 'x', 1, 9)",
'1 2 1 2 1': "No match: ('NUMBER', '1', 1, 9)",
'3 x': "No match: ('IDENT', 'x', 1, 3)",
'3 3': "No match: ('NUMBER', '3', 1, 3)",
}
for text, exp in tests.items():
if sys.version_info.major == 2 and hasattr(exp, 'replace'):
exp = exp.replace("('", "(u'").replace(" '", " u'")
prods = Choice(Sequence(p1, p2, minmax=lambda: (1, 2)), p3)
if exp is True:
wellformed, seq, store, unused = ProdParser().parse(
text, 'T', prods)
self.assertEqual(wellformed, exp)
else:
self.assertRaisesMsg(xml.dom.SyntaxErr, 'T: %s' % exp,
ProdParser().parse, text, 'T', prods)
tests = {
'1 3':
True,
'1 1 3':
True,
'2 3':
True,
'1':
'Missing token for production p3',
'1 1':
'Missing token for production p3',
'1 3 3':
"No match: ('NUMBER', '3', 1, 5)",
'1 1 3 3':
"No match: ('NUMBER', '3', 1, 7)",
'2 3 3':
"No match: ('NUMBER', '3', 1, 5)",
'2':
'Missing token for production p3',
'3':
"Missing token for production Choice(Sequence(p1), p2): ('NUMBER', '3', 1, 1)",
}
for text, exp in tests.items():
if sys.version_info.major == 2 and hasattr(exp, 'replace'):
exp = exp.replace("('", "(u'").replace(" '", " u'")
prods = Sequence(Choice(Sequence(p1, minmax=lambda: (1, 2)), p2),
p3)
if exp is True:
wellformed, seq, store, unused = ProdParser().parse(
text, 'T', prods)
self.assertEqual(wellformed, exp)
else:
self.assertRaisesMsg(xml.dom.SyntaxErr, 'T: %s' % exp,
ProdParser().parse, text, 'T', prods)
def test_initMatch(self):
"Prod.__init__(...match=...)"
p = Prod('min', lambda t, v: t == 1 and v == 2)
self.assertEqual(p.match(1, 2), True)
self.assertEqual(p.match(2, 2), False)
self.assertEqual(p.match(1, 1), False)
