pip._vendor.packaging.requirements Namespace Reference

Data Structures
class	InvalidRequirement
class	Requirement

Variables
	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
	URI = Regex(r"[^ ]+")("url")
	URL = AT + URI
	EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA)
tuple	EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras")
	VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE)
	VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE)
	VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY
	VERSION_MANY
	_VERSION_SPEC = Optional((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY)
	VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier")
	MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")
	MARKER_SEPARATOR = SEMICOLON
	MARKER = MARKER_SEPARATOR + MARKER_EXPR
	VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER)
	URL_AND_MARKER = URL + Optional(MARKER)
	NAMED_REQUIREMENT = NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER)
	REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd

Variable Documentation

_VERSION_SPEC

_VERSION_SPEC = Optional((LPAREN + VERSION_MANY + RPAREN) | VERSION_MANY)

protected

Definition at line 63 of file requirements.py.

ALPHANUM

ALPHANUM = Word(string.ascii_letters + string.digits)

Definition at line 33 of file requirements.py.

AT

AT = L("@").suppress()

Definition at line 41 of file requirements.py.

COMMA

COMMA = L(",").suppress()

Definition at line 39 of file requirements.py.

EXTRA

EXTRA = IDENTIFIER

Definition at line 48 of file requirements.py.

EXTRAS

tuple EXTRAS = (LBRACKET + Optional(EXTRAS_LIST) + RBRACKET)("extras")

Definition at line 54 of file requirements.py.

EXTRAS_LIST

EXTRAS_LIST = EXTRA + ZeroOrMore(COMMA + EXTRA)

Definition at line 53 of file requirements.py.

IDENTIFIER

IDENTIFIER = Combine(ALPHANUM + ZeroOrMore(IDENTIFIER_END))

Definition at line 45 of file requirements.py.

IDENTIFIER_END

IDENTIFIER_END = ALPHANUM | (ZeroOrMore(PUNCTUATION) + ALPHANUM)

Definition at line 44 of file requirements.py.

LBRACKET

LBRACKET = L("[").suppress()

Definition at line 35 of file requirements.py.

LPAREN

LPAREN = L("(").suppress()

Definition at line 37 of file requirements.py.

MARKER

MARKER = MARKER_SEPARATOR + MARKER_EXPR

Definition at line 74 of file requirements.py.

MARKER_EXPR

MARKER_EXPR = originalTextFor(MARKER_EXPR())("marker")

Definition at line 69 of file requirements.py.

MARKER_SEPARATOR

MARKER_SEPARATOR = SEMICOLON

Definition at line 73 of file requirements.py.

NAME

NAME = IDENTIFIER("name")

Definition at line 47 of file requirements.py.

NAMED_REQUIREMENT

NAMED_REQUIREMENT = NAME + Optional(EXTRAS) + (URL_AND_MARKER | VERSION_AND_MARKER)

Definition at line 79 of file requirements.py.

PUNCTUATION

PUNCTUATION = Word("-_.")

Definition at line 43 of file requirements.py.

RBRACKET

RBRACKET = L("]").suppress()

Definition at line 36 of file requirements.py.

REQUIREMENT

REQUIREMENT = stringStart + NAMED_REQUIREMENT + stringEnd

Definition at line 81 of file requirements.py.

RPAREN

RPAREN = L(")").suppress()

Definition at line 38 of file requirements.py.

SEMICOLON

SEMICOLON = L(";").suppress()

Definition at line 40 of file requirements.py.

URI

URI = Regex(r"[^ ]+")("url")

Definition at line 50 of file requirements.py.

URL

URL = AT + URI

Definition at line 51 of file requirements.py.

URL_AND_MARKER

URL_AND_MARKER = URL + Optional(MARKER)

Definition at line 77 of file requirements.py.

VERSION_AND_MARKER

VERSION_AND_MARKER = VERSION_SPEC + Optional(MARKER)

Definition at line 76 of file requirements.py.

VERSION_LEGACY

VERSION_LEGACY = Regex(LegacySpecifier._regex_str, re.VERBOSE | re.IGNORECASE)

Definition at line 57 of file requirements.py.

VERSION_MANY

VERSION_MANY

Initial value:

=  Combine(
    VERSION_ONE + ZeroOrMore(COMMA + VERSION_ONE), joinString=",", adjacent=False
)("_raw_spec")

Definition at line 60 of file requirements.py.

VERSION_ONE

VERSION_ONE = VERSION_PEP440 ^ VERSION_LEGACY

Definition at line 59 of file requirements.py.

VERSION_PEP440

VERSION_PEP440 = Regex(Specifier._regex_str, re.VERBOSE | re.IGNORECASE)

Definition at line 56 of file requirements.py.

VERSION_SPEC

VERSION_SPEC = originalTextFor(_VERSION_SPEC)("specifier")

Definition at line 66 of file requirements.py.