示例#1
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        def test_from_enum_transform(self):
            class Pet(enum.Enum):
                CAT = "cat"
                DOG = "dog"

            pet = from_enum(Pet, transform=lambda s: s.lower())
            self.assertEqual(pet.parse("cat"), Pet.CAT)
            self.assertEqual(pet.parse("CAT"), Pet.CAT)
示例#2
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        def test_from_enum_int(self):
            class Position(enum.Enum):
                FIRST = 1
                SECOND = 2

            position = from_enum(Position)
            self.assertEqual(position.parse("1"), Position.FIRST)
            self.assertEqual(position.parse("2"), Position.SECOND)
            self.assertRaises(ParseError, position.parse, "foo")
示例#3
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        def test_from_enum_string(self):
            class Pet(enum.Enum):
                CAT = "cat"
                DOG = "dog"

            pet = from_enum(Pet)
            self.assertEqual(pet.parse("cat"), Pet.CAT)
            self.assertEqual(pet.parse("dog"), Pet.DOG)
            self.assertRaises(ParseError, pet.parse, "foo")
示例#4
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# Signed numbers:
# (Extra compared to spec, to cope with need to produce signed numeric values)
signedNumberChange = lambda s, num: (-1) if s == "-" else (+1)
sign = regex("[-+]?")
signedIntLit = seq(sign, intLit).combine(signedNumberChange)
signedFloatLit = seq(sign, floatLit).combine(signedNumberChange)

# Constant
# put fullIdent at end to disabmiguate from boolLit
constant = signedIntLit | signedFloatLit | strLit | boolLit | fullIdent

# Syntax
syntax = lexeme("syntax") >> EQ >> quote >> string("proto3") << quote + SEMI

# Import Statement
import_option = from_enum(ImportOption)

import_ = seq(
    lexeme("import") >> import_option.optional().tag('option'),
    lexeme(strLit).tag('identifier') << SEMI).combine_dict(Import)

# Package
package = seq(lexeme("package") >> fullIdent << SEMI).map(Package)

# Option
optionName = (ident |
              (LPAREN >> fullIdent << RPAREN)) + (string(".") +
                                                  ident).many().concat()
option = seq(
    lexeme("option") >> optionName.tag('name'),
    EQ >> constant.tag('value') << SEMI,
示例#5
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from mcmd.script.model.types_ import InputType
from mcmd.script.parser.errors import ScriptSyntaxError

# subparsers
_double_quoted_string = regex(r'"[^"\\]*(?:\\[\S\s][^"\\]*)*"').map(lambda s: s[1:-1].replace(r'\"', '"'))
_single_quoted_string = regex(r"'[^'\\]*(?:\\[\S\s][^'\\]*)*'").map(lambda s: s[1:-1].replace(r"\'", "'"))
_text = _single_quoted_string.map(Template) | _double_quoted_string.map(Template)
_boolean = string('true').result(True) | string('false').result(False)
_padding = whitespace.optional()
_equals = _padding >> string('=') >> _padding
_bool_assignment = _equals >> _boolean.desc('boolean')
_text_assignment = _equals >> _text.desc('quoted text')
_assignment = _bool_assignment | _text_assignment
_message = _padding >> string(':') >> _padding >> _text
_value_name = regex(r'[a-zA-Z0-9_]+').desc('value name consisting of letters, numbers and/or underscores')
_input_type = from_enum(InputType)
_wait_message = _message | regex('.*').map(lambda s: s.strip()).map(Template)


# $value name [= "text"]
@generate
def _value_declaration():
    yield string('value')
    yield whitespace
    name = yield _value_name
    value = yield _assignment.optional()
    return Value.from_untyped_value(name=name, value=value)


# $input type name [: "message"]
@generate
示例#6
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ABCCat = typing.Union[
    str,
    ABCCatFunctor,
    ABCCatBot,
]
"""
The type representing categories in the ABC Treebank.
"""

ABCCat_ABCCatPlus = ABCCatPlus[ABCCat]

KeyakiTree            = core.TypedTree[KeyakiCat, str]
KeyakiTree_ABCCatPlus = core.TypedTree[KeyakiCat_ABCCatPlus, str]
ABCTree_ABCCatPlus    = core.TypedTree[ABCCat_ABCCatPlus, str]
parser_ABCCatBot: parsy.Parser = parsy.from_enum(ABCCatBot)
parser_ABCCatBase: parsy.Parser = parsy.regex(r"[^/\\<>#\s]+")

@parsy.generate
def parser_ABCCatFunctor_Left() -> parsy.Parser: 
    que = yield (
        parser_ABCCatBot
        | parser_ABCCatBase
        | parser_ABCCat_group
    ).sep_by(
        parsy.string("\\"),
        min = 2,
    )

    return functools.reduce(
        lambda c, a: ABCCatFunctor(