from ._typing import TYPE_CHECKING from .markers import MARKER_EXPR, Marker from .specifiers import LegacySpecifier, Specifier, SpecifierSet if TYPE_CHECKING: # pragma: no cover from typing import List class InvalidRequirement(ValueError): """ An invalid requirement was found, users should refer to PEP 508. """ ALPHANUM = Word(string.ascii_letters + string.digits) LBRACKET = L("[").suppress() RBRACKET = L("]").suppress() LPAREN = L("(").suppress() RPAREN = L(")").suppress() COMMA = L(",").suppress() SEMICOLON = L(";").suppress() AT = L("@").suppress() PUNCTUATION = Word("-_.") IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM) IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END)) NAME = IDENTIFIER("name") EXTRA = IDENTIFIER
from pkg_resources.extern.pyparsing import stringStart, stringEnd, originalTextFor, ParseException from pkg_resources.extern.pyparsing import ZeroOrMore, Word, Optional, Regex, Combine from pkg_resources.extern.pyparsing import Literal as L # noqa from pkg_resources.extern.six.moves.urllib import parse as urlparse from .markers import MARKER_EXPR, Marker from .specifiers import LegacySpecifier, Specifier, SpecifierSet class InvalidRequirement(ValueError): """ An invalid requirement was found, users should refer to PEP 508. """ ALPHANUM = Word(string.special_letters + string.digits) LBRACKET = L("[").suppress() RBRACKET = L("]").suppress() LPAREN = L("(").suppress() RPAREN = L(")").suppress() COMMA = L(",").suppress() SEMICOLON = L(";").suppress() AT = L("@").suppress() PUNCTUATION = Word("-_.") IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM) IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END)) NAME = IDENTIFIER("name") EXTRA = IDENTIFIER