Features for testing the presence of latex and equivalent programs¶
- class sage.features.latex.LaTeX(*args, **kwds)[source]¶
- Bases: - Executable- A - Featuredescribing the presence of- latex.- EXAMPLES: - sage: from sage.features.latex import latex sage: latex().is_present() # optional - latex FeatureTestResult('latex', True) - >>> from sage.all import * >>> from sage.features.latex import latex >>> latex().is_present() # optional - latex FeatureTestResult('latex', True) - is_functional()[source]¶
- Return whether - latexin the path is functional.- EXAMPLES: - sage: from sage.features.latex import latex sage: latex().is_functional() # optional - latex FeatureTestResult('latex', True) - >>> from sage.all import * >>> from sage.features.latex import latex >>> latex().is_functional() # optional - latex FeatureTestResult('latex', True) - When the feature is not functional, more information on the reason can be obtained as follows: - sage: result = latex().is_functional() # not tested sage: print(result.reason) # not tested Running latex on a sample file (with command='latex -interaction=nonstopmode tmp_wmpos8ak.tex') returned nonzero exit status='1' with stderr='' and stdout='This is pdfTeX, ... Runaway argument? {document ! File ended while scanning use of \end. ... No pages of output. Transcript written on tmp_wmpos8ak.log.' - >>> from sage.all import * >>> result = latex().is_functional() # not tested >>> print(result.reason) # not tested Running latex on a sample file (with command='latex -interaction=nonstopmode tmp_wmpos8ak.tex') returned nonzero exit status='1' with stderr='' and stdout='This is pdfTeX, ... Runaway argument? {document ! File ended while scanning use of \end. ... No pages of output. Transcript written on tmp_wmpos8ak.log.' 
 
- class sage.features.latex.LaTeXPackage(*args, **kwds)[source]¶
- Bases: - TeXFile- A - sage.features.Featuredescribing the presence of a LaTeX package (- .styfile).- EXAMPLES: - sage: from sage.features.latex import LaTeXPackage sage: LaTeXPackage('graphics').is_present() # optional - latex FeatureTestResult('latex_package_graphics', True) - >>> from sage.all import * >>> from sage.features.latex import LaTeXPackage >>> LaTeXPackage('graphics').is_present() # optional - latex FeatureTestResult('latex_package_graphics', True) 
- class sage.features.latex.TeXFile(*args, **kwds)[source]¶
- Bases: - StaticFile- A - sage.features.Featuredescribing the presence of a TeX file.- EXAMPLES: - sage: from sage.features.latex import TeXFile sage: TeXFile('x', 'x.tex').is_present() # optional - latex FeatureTestResult('x', True) - >>> from sage.all import * >>> from sage.features.latex import TeXFile >>> TeXFile('x', 'x.tex').is_present() # optional - latex FeatureTestResult('x', True) - absolute_filename()[source]¶
- The absolute path of the file. - EXAMPLES: - sage: from sage.features.latex import TeXFile sage: feature = TeXFile('latex_class_article', 'article.cls') sage: feature.absolute_filename() # optional - latex '.../latex/base/article.cls' - >>> from sage.all import * >>> from sage.features.latex import TeXFile >>> feature = TeXFile('latex_class_article', 'article.cls') >>> feature.absolute_filename() # optional - latex '.../latex/base/article.cls' 
 
- class sage.features.latex.dvips(*args, **kwds)[source]¶
- Bases: - Executable- A - Featuredescribing the presence of- dvips.- EXAMPLES: - sage: from sage.features.latex import dvips sage: dvips().is_present() # optional - dvips FeatureTestResult('dvips', True) - >>> from sage.all import * >>> from sage.features.latex import dvips >>> dvips().is_present() # optional - dvips FeatureTestResult('dvips', True) 
- class sage.features.latex.latex(*args, **kwds)[source]¶
- Bases: - LaTeX- A - Featuredescribing the presence of- latex.- EXAMPLES: - sage: from sage.features.latex import latex sage: latex().is_present() # optional - latex FeatureTestResult('latex', True) - >>> from sage.all import * >>> from sage.features.latex import latex >>> latex().is_present() # optional - latex FeatureTestResult('latex', True) 
- class sage.features.latex.lualatex(*args, **kwds)[source]¶
- Bases: - LaTeX- A - Featuredescribing the presence of- lualatex.- EXAMPLES: - sage: from sage.features.latex import lualatex sage: lualatex().is_present() # optional - lualatex FeatureTestResult('lualatex', True) - >>> from sage.all import * >>> from sage.features.latex import lualatex >>> lualatex().is_present() # optional - lualatex FeatureTestResult('lualatex', True) 
- class sage.features.latex.pdflatex(*args, **kwds)[source]¶
- Bases: - LaTeX- A - Featuredescribing the presence of- pdflatex.- EXAMPLES: - sage: from sage.features.latex import pdflatex sage: pdflatex().is_present() # optional - pdflatex FeatureTestResult('pdflatex', True) - >>> from sage.all import * >>> from sage.features.latex import pdflatex >>> pdflatex().is_present() # optional - pdflatex FeatureTestResult('pdflatex', True) 
- class sage.features.latex.xelatex(*args, **kwds)[source]¶
- Bases: - LaTeX- A - Featuredescribing the presence of- xelatex.- EXAMPLES: - sage: from sage.features.latex import xelatex sage: xelatex().is_present() # optional - xelatex FeatureTestResult('xelatex', True) - >>> from sage.all import * >>> from sage.features.latex import xelatex >>> xelatex().is_present() # optional - xelatex FeatureTestResult('xelatex', True)