def __init__(self,
fn,
imdir="static/images",
imurl="",
fp=None,
extra_filters=None,
latex_string=None,
add_wrap=False,
fix_plastex_optarg_bug=True,
abox=None,
imurl_fmt=None,
verbose=False):
'''
fn = tex filename (should end in .tex)
imdir = directory where images are to be stored
imurl = web root for images
fp = file object (optional) - used instead of open(fn), if provided
extra_filters = dict with key=regular exp, value=function for search-replace, for
post-processing of XHTML output
latex_string = latex string (overrides fp and fn)
add_wrap = if True, then assume latex is partial, and add preamble and postfix
fix_plastex_optarg_bug = if True, then filter the input latex to fix the plastex bug
triggered e.g. by \begin{edXchapter} and \begin{edXsection}
being placed with no empty newline inbetween
abox = (class) use this in place of AnswerBox
imurl_fmt = (str) image url format expression
verbose = if True, then do verbose logging
'''
if fn.endswith('.tex'):
ofn = fn[:-4] + '.xhtml'
else:
ofn = fn + ".xhtml"
self.input_fn = fn
self.output_fn = ofn
self.fp = fp
self.latex_string = latex_string
self.add_wrap = add_wrap
self.verbose = verbose
self.renderer = MyRenderer(imdir,
imurl,
extra_filters,
abox,
imurl_fmt=imurl_fmt,
verbose=verbose)
self.fix_plastex_optarg_bug = fix_plastex_optarg_bug
# Instantiate a TeX processor and parse the input text
tex = TeX()
tex.ownerDocument.config['files']['split-level'] = -100
tex.ownerDocument.config['files']['filename'] = self.output_fn
tex.ownerDocument.config['general']['theme'] = 'plain'
plasTeXconfig.add_section('logging')
plasTeXconfig['logging'][''] = CRITICAL
self.tex = tex
if not self.verbose:
tex.disableLogging()
def parseLaTeX(string):
# PlasTeX bug - this variable doent get reinitialised
MathShift.inEnv = []
# Instantiate a TeX processor and parse the input text
tex = TeX()
tex.disableLogging()
# Parse the LaTeX
tex.input(string)
return tex.parse()
def create_tex():
"""Create a TeX object, ready to parse a tex file."""
tex = TeX()
tex.disableLogging()
tex.ownerDocument.context.loadBaseMacros()
sys.path.append(os.path.dirname(__file__))
tex.ownerDocument.context.loadPackage(tex, "plastex_patchedbabel")
tex.ownerDocument.context.loadPackage(tex, "plastex_chord")
tex.ownerDocument.context.loadPackage(tex, "plastex_songs")
sys.path.pop()
return tex
def parseLaTeX(string):
# PlasTeX bug - this variable doent get reinitialised
MathShift.inEnv = []
# Instantiate a TeX processor and parse the input text
tex = TeX()
tex.disableLogging()
# Parse the LaTeX
tex.input(string)
return tex.parse()
def __init__(self,
fn,
imdir="static/images",
imurl="",
fp=None,
extra_filters=None,
latex_string=None,
add_wrap=False,
fix_plastex_optarg_bug=True,
verbose=False):
'''
fn = tex filename (should end in .tex)
imdir = directory where images are to be stored
imurl = web root for images
fp = file object (optional) - used instead of open(fn), if provided
extra_filters = dict with key=regular exp, value=function for search-replace, for
post-processing of XHTML output
latex_string = latex string (overrides fp and fn)
add_wrap = if True, then assume latex is partial, and add preamble and postfix
fix_plastex_optarg_bug = if True, then filter the input latex to fix the plastex bug
triggered e.g. by \begin{edXchapter} and \begin{edXsection}
being placed with no empty newline inbetween
verbose = if True, then do verbose logging
'''
if fn.endswith('.tex'):
ofn = fn[:-4]+'.xhtml'
else:
ofn = fn + ".xhtml"
self.input_fn = fn
self.output_fn = ofn
self.fp = fp
self.latex_string = latex_string
self.add_wrap = add_wrap
self.verbose = verbose
self.renderer = MyRenderer(imdir, imurl, extra_filters)
self.fix_plastex_optarg_bug = fix_plastex_optarg_bug
# Instantiate a TeX processor and parse the input text
tex = TeX()
tex.ownerDocument.config['files']['split-level'] = -100
tex.ownerDocument.config['files']['filename'] = self.output_fn
tex.ownerDocument.config['general']['theme'] = 'plain'
plasTeXconfig.add_section('logging')
plasTeXconfig['logging'][''] = CRITICAL
self.tex = tex
if not self.verbose:
tex.disableLogging()
def runDocument(self, content):
"""
Compile a document with the given content
Arguments:
content - string containing the content of the document
Returns: TeX document
"""
tex = TeX()
tex.disableLogging()
tex.input(r'''\documentclass{article}\usepackage{longtable}\begin{document}%s\end{document}''' % content)
return tex.parse()
def runDocument(self, content):
"""
Compile a document with the given content
Arguments:
content - string containing the content of the document
Returns: TeX document
"""
tex = TeX()
tex.disableLogging()
tex.input(ur'''\document{article}\begin{document}%s\end{document}''' % content)
return tex.parse()
def runDocument(packages='', content=''):
"""
Compile a document with the given content
Arguments:
packages - string containing comma separated packages to use
content - string containing the content of the document
Returns: TeX document
"""
doc = TeXDocument(config=config)
tex = TeX(doc)
tex.disableLogging()
tex.input(r'''
\documentclass{article}
\usepackage{%s}
\begin{document}%s\end{document}''' % (packages, content))
doc = tex.parse()
doc.userdata['working-dir'] = os.path.dirname(__file__)
return doc
