o Ni8@sdZddlZddlmmZdZ GdddejZGdddeZ Gdd d eZ Gd d d eZ Gd d d e Z Gddde Z Gddde ZGddde ZGddde ZGdddeZGddde ZGddde ZGddde ZGddde ZGd d!d!e ZGd"d#d#e ZGd$d%d%e ZGd&d'd'e ZGd(d)d)e ZGd*d+d+e ZGd,d-d-e ZGd.d/d/e ZGd0d1d1eZGd2d3d3eZGd4d5d5eZ Gd6d7d7eZ!Gd8d9d9e Z"Gd:d;d;e Z#dS) "true" and False -> "false"). >>> math(CLASS='test', level=3, split=True) math(class='test', level='3', split='true') >>> math(CLASS='test', level=3, split=True).toxml() '' cs i|] \}}||qS)lowera_str.0kvselfr W/home/ubuntu/.local/lib/python3.10/site-packages/docutils/utils/math/mathml_elements.py Os z(MathElement.__init__..N)itemssuper__init__ __class____name__extend)rchildren attributesattribrrrrAszMathElement.__init__cCst|tr t|St|SN) isinstanceboolstrr )rr r rr Ss  zMathElement.a_strcCsdd|D}|jr|t|j|j|jjkr"|d|jt|ddr-|d|dd|D7}|jdd |d S) z"Return full string representation.cSsg|]}t|qSr )reprrchildr r r \sz(MathElement.__repr__..z nchildren=switchNz switch=TruecSs&g|]\}}|dur|d|qS)N=r rr r rr'cs&(, )) textappendr$ nchildrenrgetattrrtagjoinrargsr r r__repr__Zs  zMathElement.__repr__cCs8|jr t|j}n ddd|D}|jd|dS)z/Return concise, informal string representation.r+css|]}|VqdSr r r%r r r ksz&MathElement.__str__..r*r,)r-r$r2r1r3r r r__str__fs zMathElement.__str__cst|||dSr )rsetr )rkeyvaluerr rr8nszMathElement.setcs|jdkr td|dt|tr||_n"|jr0t|t||jkr0td|d|jd|D]}||_q2t||dS)Nr Element "z" does not take children.z " takes only children)r/ TypeErrorr!r parentlenr __setitem__)rr9r:err rr@qs  zMathElement.__setitem__cCs|jduo t||jkS)z;Return boolean indicating whether children may be appended.N)r/r?rr r ris_full~szMathElement.is_fullcCs:t||_|j}|dur|r|j}|dur|s|S)z:Close element and return first non-full anchestor or None.N)r?r/r>rB)rr>r r rcloses zMathElement.closecs^|r|jrd|jd}nd}td|d|dt|||_|r-|S|S)aLAppend `element` and return new "current node" (insertion point). Append as child element and set the internal `parent` attribute. If self is already full, raise TypeError. If self is full after appending, call `self.close()` (returns first non-full anchestor or None) else return `self`. z takes only r<zdoes not take childrenr;z" .)rBr/r=rr.r>rC)relementstatusrr rr.s  zMathElement.appendcCs|}|D]}||}q|S)ziSequentially append `elements`. Return new "current node". Raise TypeError if overfull. )r.)relements current_noderEr r rrs zMathElement.extendcCs||}||=|Sr r )rindexrEr r rpopszMathElement.popcCs>|ddurz|jWStyYdSw|ddkS)zReturn True, if `self` or an ancestor has ``display='block'``. Used to find out whether we are in inline vs. displayed maths. displayNFblock)getr>in_blockAttributeErrorrr r rrOs  zMathElement.in_block rcCst|||dS)zFormat XML output with indents. Use with care: Formatting whitespace is permanently added to the `text` and `tail` attributes of `self` and anchestors! N)ETindent)rspacelevelr r r indent_xmlszMathElement.indent_xmlcCs@|D]}t|ts|jr|j|_|jr|j|_qdS)zStrip whitespace at the end of `text` and `tail` attributes... to revert changes made by the `indent_xml()` method. Use with care, trailing whitespace from the original may be lost. N)iterr! MathTokenr-rstriptail)rrAr r r unindent_xmls   zMathElement.unindent_xmlcCsNtj||pddd}z |dd}W|Sty&|d|d}Y|Sw)aReturn an XML representation of the element. By default, the return value is a `str` instance. With an explicit `encoding` argument, the result is a `bytes` instance in the specified encoding. The XML default encoding is UTF-8, any other encoding must be specified in an XML document header. Name and encoding handling match `xml.dom.minidom.Node.toxml()` while `etree.Element.tostring()` returns `bytes` by default. unicodeF)short_empty_elementsu⁡z⁡s⁡)rRtostringreplacer=encode)rencodingxmlr r rtoxmls  zMathElement.toxml)rI)rQrr )r __module__ __qualname____doc__r/r>r staticmethodr r5r7r8r@rBrCr.rrKrOrVr[rc __classcell__r r rrr 8s,          r c@eZdZdZdS)MathRowz:Base class for elements treating content as a single mrow.Nrrdrerfr r r rrjrjcs0eZdZdZdZfddZfddZZS) MathSchemazBase class for schemata expecting 2 or more children. The special attribute `switch` indicates that the last two child elements are in reversed order and must be switched before XML-export. See `msub` for an example. cs$|dd|_tj|i|dS)Nr(F)rKr(rr)rrkwargsrr rrszMathSchema.__init__cs>t|}|jr|r|d|d|d<|d<d|_|S)z2Append element. Normalize order and close if full.rIF)rr.r(rB)rrErHrr rr.s zMathSchema.append)rrdrerfr/rr.rhr r rrrms  rmcs$eZdZdZdZfddZZS)rXzgToken Element: contains textual data instead of children. Expect text data on initialisation. rc s@tjdi|t|ttjfstd|dt||_dS)Nz0MathToken element expects `str` or number, not "z".r )rrr!r#numbersNumber ValueErrorr-)rr-rrr rrs  zMathToken.__init__)rrdrerfr/rrhr r rrrXsrXc@ri)mathz8Top-level MathML element, a single mathematical formula.Nrkr r r rrt!rlrtc@ri)mtextz*Arbitrary text with no notational meaning.Nrkr r r rru(rlruc@ri)mizCIdentifier, such as a function name, variable or symbolic constant.Nrkr r r rrv,rlrvc@ri)mnzNumeric literal. >>> mn(3.41).toxml() '3.41' Normally a sequence of digits with a possible separator (a dot or a comma). (Values with comma must be specified as `str`.) Nrkr r r rrw0rlrwc@ri)moaOperator, Fence, Separator, or Accent. >>> mo('<').toxml() '<' Besides operators in strict mathematical meaning, this element also includes "operators" like parentheses, separators like comma and semicolon, or "absolute value" bars. Nrkr r r rrx;rlrxc@eZdZdZdZdS)mspacezBlank space, whose size is set by its attributes. Takes additional attributes `depth`, `height`, `width`. Takes no children and no text. See also `mphantom`. rNrrdrerfr/r r r rrzGsrzcs(eZdZdZddZfddZZS)mrowzyGeneric element to group children as a horizontal row. Removed on closing if not required (see `mrow.close()`). cCsdddd}|D]&\}}|dvr)|r)||r)|||||||f}|||q dS)zTransfer attributes from self to other. "List values" (class, style) are appended to existing values, other values replace existing values.  z; )rrN)rrNr2rYr8)rother delimitersrrr r rtransfer_attributes[s   zmrow.transfer_attributesc sl|j}|dur1t|dkr1|d}z||t||<||_Wn ttfy+YdSw||tS)z|Close element and return first non-full anchestor or None. Remove if it has only one child element. Nr) r>r?listrJrPrsrrrC)rr>r&rr rrCis   z mrow.close)rrdrerfrrCrhr r rrr|Usr|c@ri)mfraczAFractions or fraction-like objects such as binomial coefficients.Nrkr r r rr{rlrc@ry)msqrtzSquare root. See also `mroot`.rNr{r r r rrrc@ri)mrootz/Roots with an explicit index. See also `msqrt`.Nrkr r r rrrlrc@ri)mstylezStyle Change. In modern browsers, is equivalent to an element. However, may still be relevant for compatibility with MathML implementations outside browsers. Nrkr r r rrrlrc@ri)merrorz#Display contents as error messages.Nrkr r r rrrlrc@ry)menclosezRenders content inside an enclosing notation... ... specified by the notation attribute. Non-standard but still required by Firefox for boxed expressions. rNr{r r r rrsrc@ri)mpaddedzAdjust space around content.Nrkr r r rrrlrc@ry)mphantomz8Placeholder: Rendered invisibly but dimensions are kept.rNr{r r r rrrrc@ri)msubz$Attach a subscript to an expression.Nrkr r r rrrlrc@ri)msupz&Attach a superscript to an expression.Nrkr r r rrrlrc@ry)msubsupz;Attach both a subscript and a superscript to an expression.Nr{r r r rrrrc@ri)munderz0Attach an accent or a limit under an expression.Nrkr r r rrrlrc@ri)moverz/Attach an accent or a limit over an expression.Nrkr r r rrrlrc@ri) munderoverz;Attach accents or limits both under and over an expression.Nrkr r r rrrlrc@ri)mtablezTable or matrix element.Nrkr r r rrrlrc@ri)mtrzRow in a table or a matrix.Nrkr r r rrrlrc@ri)mtdzCell in a table or a matrixNrkr r r rrrlr)$rfrqxml.etree.ElementTreeetree ElementTreerRGLOBAL_ATTRIBUTESElementr rjrmrXrtrurvrwrxrzr|rrrrrrrrrrrrrrrrrr r r rsD  9  &