U +5i}@sddlmZddlZddlmZmZddlmZmZdddgZ d d d d Z e d Z ede ZGdddeZdddddZdS)) annotationsN)NewTypecast) EXCEPTIONSLICENSESInvalidLicenseExpressionNormalizedLicenseExpressioncanonicalize_license_expressionz list[str])returncCstS)N)__all__r r ?/tmp/pip-unpacked-wheel-xj899fla/packaging/licenses/__init__.py__dir__/srz^[A-Za-z0-9.-]*$c@seZdZdZdS)ra<Raised when a license-expression string is invalid >>> from packaging.licenses import canonicalize_license_expression >>> canonicalize_license_expression("invalid") Traceback (most recent call last): ... packaging.licenses.InvalidLicenseExpression: Invalid license expression: 'invalid' N)__name__ __module__ __qualname____doc__r r r rr<sstr)raw_license_expressionr c sH|sd|}t||dddd}dfdd|D}|}|}g}|D]z}|d krt|d q\|d kr|d q\|dkr|r|d dks|dkr|r|d dkrd|}t|q\||q\d|}zt|ddWn*tk rd|}t|dYnXg}|D]}|d krF||q&|r|d dkr|t krvd|}t||t |dn| dr|dd } d} n|} d} | drt | sd| }t|||| | n2| tkr d| }t||t| d| q&d|} td| ddddS)a This function takes a valid License-Expression, and returns the normalized form of it. The return type is typed as :class:`NormalizedLicenseExpression`. This allows type checkers to help require that a string has passed through this function before use. :param str raw_license_expression: The License-Expression to canonicalize. :raises InvalidLicenseExpression: If the License-Expression is invalid due to an invalid/unknown license identifier or invalid syntax. .. doctest:: >>> from packaging.licenses import canonicalize_license_expression >>> canonicalize_license_expression("mit") 'MIT' >>> canonicalize_license_expression("mit and (apache-2.0 or bsd-2-clause)") 'MIT AND (Apache-2.0 OR BSD-2-Clause)' >>> canonicalize_license_expression("(mit") Traceback (most recent call last): ... InvalidLicenseExpression: Invalid license expression: '(mit' >>> canonicalize_license_expression("Use-it-after-midnight") Traceback (most recent call last): ... InvalidLicenseExpression: Unknown license: 'Use-it-after-midnight' zInvalid license expression: (z ( )z ) LicenseRef-cs8i|]0}|r|d|tdqS)rN)lower startswithlen).0refZlicenseref_prefixr r nsz3canonicalize_license_expression..>andorrwithrFalser"r!>r r!r evalNZWITHzUnknown license exception: id+z licenseref-zInvalid licenseref: zUnknown license: r z( z ))rreplacesplitrappendjoincompile SyntaxErrorupperrendswithrlicense_ref_allowedmatchrr) rmessageZlicense_expressionZ license_refstokensZ python_tokenstokenZpython_expressionZnormalized_tokensZ final_tokensuffixZnormalized_expressionr rrr Gs                      ) __future__rretypingrrZ_spdxrrr rr.r2rr ValueErrorrr r r r r s