def doctree_to_pdf(doctree, img_localizer, stylesheet_url='',
settings=latex.DEFAULT_LATEX_OVERRIDES, *args, **kwargs):
if not pdflatex_installed():
raise EnvironmentError((127, 'pdflatex not installed.'))
cleanup_stylesheet = False
latex_string, extra_files = latex.doctree_to_latex(doctree, img_localizer,
settings=settings, stylesheet_url=stylesheet_url, *args, **kwargs)
if os.path.splitext(extra_files[0])[1] == '.tex':
cleanup_stylesheet = True
temp_pdf_dir = mkdtemp()
temp_latex_filename = common.create_temp_file(latex_string, suffix='.tex',
dir=temp_pdf_dir)
err = call_pdflatex_repeat(3, temp_latex_filename, pdf_dir=temp_pdf_dir)
if err == 0:
pdf_conversion_successful = True
else:
pdf_conversion_successful = False
img_localizer.cleanup_images(doctree)
if cleanup_stylesheet:
os.remove(extra_files[0])
if pdf_conversion_successful:
pdf_prefix = os.path.splitext(temp_latex_filename)[0]
pdf_filename = pdf_prefix + os.extsep + 'pdf'
pdf_handle = open(pdf_filename)
pdf_data = pdf_handle.read()
pdf_handle.close()
common.remove_dir(temp_pdf_dir)
return pdf_data
else:
common.remove_dir(temp_pdf_dir)
raise EnvironmentError((err, 'PDF conversion unsuccessful.'))
def doctree_to_latex(doctree, img_localizer, stylesheet_url="", settings=DEFAULT_LATEX_OVERRIDES, *args, **kwargs):
cleanup_stylesheet = False
if not isfile(str(stylesheet_url)) or is_filelike(stylesheet_url):
stylesheet_url = create_temp_file(stylesheet_url, suffix=".tex")
cleanup_stylesheet = True
conversion_settings = copy(settings)
conversion_settings["stylesheet-path"] = stylesheet_url
img_localizer.localize_images(doctree)
latex_string = publish_from_doctree(
doctree, writer_name="latex", settings_overrides=conversion_settings, *args, **kwargs
)
temp_files = sorted(list(set(img_localizer.values())))
if cleanup_stylesheet:
temp_files = [stylesheet_path] + temp_files
return latex_string, temp_files
