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codeparrot

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# Add heading to the epub.
tag = 'h%d' % min(self.toc.depth, 6)
self.content += _make_starttag(tag, elem.attrs)
for elem in elem.children:
self.handle_elem(elem)
self.content += '</%s>\n' % tag
def par_heading(self, elem):
'''Handle a ""paragraph heading"", i.e., a chaper heading or part
of a chapter heading inside paragraph tags. If it is immediately
followed by a heading, they will be merged into one.'''
self.par_h = elem
def _handle_par_h(self):
'Check if there is a waiting paragraph heading and handle it.'
try:
self._heading(self.par_h)
except AttributeError:
pass
def handle_elem(self, elem):
'Handle html element as supplied by getebook.EbookParser.'
try:
tag = elem.tag
except AttributeError:
# elem should be a string
is_string = True
tag = None
else:
is_string = False
if tag in getebook._headings:
self._heading(elem)
else:
# Handle waiting par_h if necessary (see par_heading)
try:
self._heading(self.par_h)
except AttributeError:
pass
if is_string:
self.content += elem
elif tag == 'br':
self.content += '<br />\n'
elif tag == 'img':
self.content += self._handle_image(elem.attrs) + '\n'
elif tag == 'a' or tag == 'noscript':
# Ignore tag, just write child elements
for child in elem.children:
self.handle_elem(child)
else:
self.content += _make_starttag(tag, elem.attrs)
for child in elem.children:
self.handle_elem(child)
self.content += '</%s>' % tag
if tag == 'p':
self.content += '\n'
def _handle_image(self, attrs):
'Returns the alt text of an image tag.'
try:
return attrs['alt']
except KeyError:
return ''
def new_part(self):
'''Begin a new part of the epub. Write the current html document
to the archive and begin a new one.'''
# Handle waiting par_h (see par_heading)
try:
self._heading(self.par_h)
except AttributeError:
pass
if self.content:
html = self._html.format(self.title, self.content)
self.epub_f.writestr(self.cont_filename, html)
self.part_no += 1
self.content = ''
self.cont_filename = 'part%03d.html' % self.part_no
self.opf.filelist.append(_Fileinfo(self.cont_filename))
def finalize(self):
'Complete and close the epub file.'
# Handle waiting par_h (see par_heading)
if self._finalized:
# Avoid finalizing twice. Otherwise, calling finalize inside
# a with-block would lead to an exception when __exit__
# calls finalize again.
return
try:
self._heading(self.par_h)
except AttributeError:
pass
if self.content:
html = self._html.format(self.title, self.content)
self.epub_f.writestr(self.cont_filename, html)
self.opf.meta = [self.uid, self.lang, self.title] + self._authors
self.opf.meta += self.opt_meta.values()
self.epub_f.writestr('package.opf', self.opf.write_xml())
self.epub_f.writestr('toc.ncx',
self.toc.write_xml(self.uid, self.title, self._authors))
self.epub_f.writestr('style.css', self._style_css)