o /h"@sfdZdgZddlZddlZddlmZmZddlm Z m Z m Z m Z ddl mZGdddejjZdS) zMediaList implements DOM Level 2 Style Sheets MediaList. TODO: - delete: maybe if deleting from all, replace *all* with all others? - is unknown media an exception? MediaListN) normalize pushtoken)PreDefProd ProdParserSequence) MediaQuerycseZdZdZd$fdd ZddZdd Zd d Zed d ddZ ddZ ddZ ee e ddZ ddZ ddZddZddZddZdd Zed!d d"dZed#d ZZS)%raProvides the abstraction of an ordered collection of media, without defining or constraining how this collection is implemented. A single media in the list is an instance of :class:`MediaQuery`. An empty list is the same as a list that contains the medium "all". New format with :class:`MediaQuery`:: : S* [media_query [ ',' S* media_query ]* ]? NFcs>td|_t|trd|}||_|r||_||_dS)a  :param mediaText: Unicodestring of parsable comma separared media or a (Python) list of media. :param parentRule: CSSRule this medialist is used in, e.g. an @import or @media. :param readonly: Not used yet. F,N) super__init__ _wellformed isinstancelistjoin _parentRule mediaText _readonly)selfr parentRulereadonly __class__R/var/www/html/myenv/lib/python3.10/site-packages/cssutils/stylesheets/medialist.pyr #s    zMediaList.__init__cCsd|jjd|jdS)Nzcssutils.stylesheets.z (mediaText=))r__name__rrrrr__repr__:szMediaList.__repr__cCs$d|jjd|jdt|ddS)Nz)rrridrrrr__str__=s$zMediaList.__str__ccs"|jD] }|jdkr|VqdS)Nr )_seqtype)ritemrrr__iter__@s   zMediaList.__iter__cCs tt|SN)lenrrrrrFs zMediaList.z/The number of media in the list (DOM readonly).)doccCs tj|Sr()cssutilsserdo_stylesheets_medialistrrrr _getMediaTextJs zMediaList._getMediaTextcCsj|dd}tttj|dddd|ttjdd|ddd}tj|d |d d \}}}}d}|D]} | j} t| t rJ| j sHd}nd }q7|s\d}||_ |j j d tjjd||_ |rg} tjjdd} tjjdd} |D]8} | jdkr| jj}|r|dkr| } | | n|| vrqs| |nt| jtjjjr| | | | qs|| dSdS)at :param mediaText: simple value or comma-separated list of media :exceptions: - - :exc:`~xml.dom.SyntaxErr`: Raised if the specified string value has a syntax error and is unparsable. - - :exc:`~xml.dom.NoModificationAllowedErr`: Raised if this media list is readonly. cSstddddddS)NMediaQueryStartcSs|dkp|dkS)NIDENT(r)tvrrrr*]sz;MediaList._setMediaText....cSsdtt||ddfS)Nr T)_partof)r r)r3tokensrrrr*^s)namematchtoSeq)rrrrrr*[s z)MediaList._setMediaText..)parentcSdSN)rNrrrrrr*d)minmaxF)r9cSr;r<rrrrrr*fr=rml)debugTzMediaQuery: No content.error)rr allN)_checkReadonlyrrcommentcommarparsevaluerr wellformedr_logrBxmldom SyntaxErrr,utilSeqr% mediaTypeappendcss csscomment CSSComment_setSeq)rr mediaqueryprodsokseqstoreunused atleastoner&r4 mediaTypesfinalseqcommentseqonlyrPrrr _setMediaTextMsZ       zMediaList._setMediaTextz6The parsable textual representation of the media list.cCs(|t|ts t|}|jr|SdSr()rDrr rIr newMediumrrr __preparesets  zMediaList.__preparesetcCs(||}|r|dddf|j|<dSdS)z^Overwriting ListSeq.__setitem__ Any duplicate items are **not yet** removed. r N)_MediaList__preparesetr$)rindexrbrrr __setitem__s zMediaList.__setitem__cCs||}|rPdd|D}t|j}d|j_d|vr(|jjd|tjj dn"|r;||vr;| ||j |dnd|krC| |j |dd|j_dSdS) a`Add the `newMedium` to the end of the list. If the `newMedium` is already used, it is first removed. :param newMedium: a string or a :class:`~cssutils.stylesheets.MediaQuery` :returns: Wellformedness of `newMedium`. :exceptions: - :exc:`~xml.dom.InvalidCharacterErr`: If the medium contains characters that are invalid in the underlying style language. - :exc:`~xml.dom.InvalidModificationErr`: If mediaText is "all" and a new medium is tried to be added. Exception is "handheld" which is set in any case (Opera does handle "all, handheld" special, this special case might be removed in the future). - :exc:`~xml.dom.NoModificationAllowedErr`: Raised if this list is readonly. cSsg|]}t|jjqSr)rrHrP).0r&rrr sz*MediaList.appendMedium..FrCzYMediaList: Ignoring new medium %r as already specified "all" (set ``mediaText`` instead).rAr T) rdrrPr$rrJinforKrLInvalidModificationErr deleteMediumrQ _clearSeq)rrbmtsnewmtrrr appendMediums*    zMediaList.appendMediumcCs||dS)zSame as :meth:`appendMedium`.N)rorarrrrQszMediaList.appendcCsZ|t|}t|D]\}}t|jj|kr||=dSq |jjd|tjj ddS)aODelete a medium from the list. :param oldMedium: delete this medium from the list. :exceptions: - :exc:`~xml.dom.NotFoundErr`: Raised if `oldMedium` is not in the list. - :exc:`~xml.dom.NoModificationAllowedErr`: Raised if this list is readonly. z"%s" not in this MediaListrAN) rDr enumeraterHrPrJrBrKrL NotFoundErr)r oldMediumimqrrrrks   zMediaList.deleteMediumcCs"z||jWStyYdSw)zReturn the mediaType of the `index`'th element in the list. If `index` is greater than or equal to the number of media in the list, returns ``None``. N)rP IndexError)rrerrrr&s   zMediaList.itemcC|jSr()rrrrrr*zHThe CSSRule (e.g. an @media or @import rule this list is part of or NonecCrvr()rrrrrr*rw)NNF)r __module__ __qualname____doc__r rr#r'propertylengthr/r`rrdrfrorQrkr&rrI __classcell__rrrrrs8M  4 )rz__all__xml.domrKr,cssutils.helperrrcssutils.prodparserrrrrrVr rN _NewListBaserrrrrs