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# -*- coding: utf-8 -*-
"""
sphinx.writer
~~~~~~~~~~~~~
docutils writers handling Sphinx' custom nodes.
:copyright: 2007 by Georg Brandl.
:license: Python license.
"""
from docutils import nodes
from docutils.writers.html4css1 import Writer, HTMLTranslator as BaseTranslator
from .smartypants import sphinx_smarty_pants
class HTMLWriter(Writer):
def __init__(self, config):
Writer.__init__(self)
if config.get('use_smartypants', False):
self.translator_class = SmartyPantsHTMLTranslator
else:
self.translator_class = HTMLTranslator
version_text = {
'deprecated': 'Deprecated in version %s',
'versionchanged': 'Changed in version %s',
'versionadded': 'New in version %s',
}
class HTMLTranslator(BaseTranslator):
"""
Our custom HTML translator.
"""
def __init__(self, *args, **kwds):
self.no_smarty = 0
BaseTranslator.__init__(self, *args, **kwds)
self.highlightlang = 'python'
def visit_desc(self, node):
self.body.append(self.starttag(node, 'dl', CLASS=node['desctype']))
def depart_desc(self, node):
self.body.append('</dl>\n\n')
def visit_desc_signature(self, node):
# the id is set automatically
self.body.append(self.starttag(node, 'dt'))
# anchor for per-desc interactive data
if node.parent['desctype'] != 'describe' and node['ids'] and node['first']:
self.body.append('<!--#%s#-->' % node['ids'][0])
if node.parent['desctype'] in ('class', 'exception'):
self.body.append('%s ' % node.parent['desctype'])
def depart_desc_signature(self, node):
self.body.append('</dt>\n')
def visit_desc_classname(self, node):
self.body.append(self.starttag(node, 'tt', '', CLASS='descclassname'))
def depart_desc_classname(self, node):
self.body.append('</tt>')
def visit_desc_name(self, node):
self.body.append(self.starttag(node, 'tt', '', CLASS='descname'))
def depart_desc_name(self, node):
self.body.append('</tt>')
def visit_desc_parameterlist(self, node):
self.body.append('<big>(</big>')
self.first_param = 1
def depart_desc_parameterlist(self, node):
self.body.append('<big>)</big>')
def visit_desc_parameter(self, node):
if not self.first_param:
self.body.append(', ')
else:
self.first_param = 0
if not node.hasattr('noemph'):
self.body.append('<em>')
def depart_desc_parameter(self, node):
if not node.hasattr('noemph'):
self.body.append('</em>')
def visit_desc_optional(self, node):
self.body.append('<span class="optional">[</span>')
def depart_desc_optional(self, node):
self.body.append('<span class="optional">]</span>')
def visit_desc_content(self, node):
self.body.append(self.starttag(node, 'dd', ''))
def depart_desc_content(self, node):
self.body.append('</dd>')
def visit_refcount(self, node):
self.body.append(self.starttag(node, 'em', '', CLASS='refcount'))
def depart_refcount(self, node):
self.body.append('</em>')
def visit_versionmodified(self, node):
self.body.append(self.starttag(node, 'p'))
text = version_text[node['type']] % node['version']
if len(node):
text += ': '
else:
text += '.'
self.body.append('<span class="versionmodified">%s</span>' % text)
def depart_versionmodified(self, node):
self.body.append('</p>\n')
# overwritten -- we don't want source comments to show up in the HTML
def visit_comment(self, node):
raise nodes.SkipNode
# overwritten
def visit_admonition(self, node, name=''):
self.body.append(self.start_tag_with_title(
node, 'div', CLASS=('admonition ' + name)))
if name and name != 'seealso':
node.insert(0, nodes.title(name, self.language.labels[name]))
self.set_first_last(node)
def visit_seealso(self, node):
self.visit_admonition(node, 'seealso')
def depart_seealso(self, node):
self.depart_admonition(node)
# overwritten
def visit_title(self, node, move_ids=1):
# if we have a section we do our own processing in order
# to have ids in the hN-tags and not in additional a-tags
if isinstance(node.parent, nodes.section):
h_level = self.section_level + self.initial_header_level - 1
if node.parent.get('ids'):
attrs = {'ids': node.parent['ids']}
else:
attrs = {}
self.body.append(self.starttag(node, 'h%d' % h_level, '', **attrs))
self.context.append('</h%d>\n' % h_level)
else:
BaseTranslator.visit_title(self, node, move_ids)
# overwritten
def visit_literal_block(self, node):
from .highlighting import highlight_block
self.body.append(highlight_block(node.rawsource, self.highlightlang))
raise nodes.SkipNode
def visit_productionlist(self, node):
self.body.append(self.starttag(node, 'pre'))
names = []
for production in node:
names.append(production['tokenname'])
maxlen = max(len(name) for name in names)
for production in node:
if production['tokenname']:
self.body.append(self.starttag(production, 'strong', ''))
self.body.append(production['tokenname'].ljust(maxlen) +
'</strong> ::= ')
lastname = production['tokenname']
else:
self.body.append('%s ' % (' '*len(lastname)))
production.walkabout(self)
self.body.append('\n')
self.body.append('</pre>\n')
raise nodes.SkipNode
def depart_productionlist(self, node):
pass
def visit_production(self, node):
pass
def depart_production(self, node):
pass
def visit_centered(self, node):
self.body.append(self.starttag(node, 'center') + '<strong>')
def depart_centered(self, node):
self.body.append('</strong></center>')
def visit_compact_paragraph(self, node):
pass
def depart_compact_paragraph(self, node):
pass
def visit_highlightlang(self, node):
self.highlightlang = node['lang']
def depart_highlightlang(self, node):
pass
def visit_toctree(self, node):
# this only happens when formatting a toc from env.tocs -- in this
# case we don't want to include the subtree
raise nodes.SkipNode
def visit_index(self, node):
raise nodes.SkipNode
class SmartyPantsHTMLTranslator(HTMLTranslator):
"""
Handle ordinary text via smartypants, converting quotes and dashes
to the correct entities.
"""
def __init__(self, *args, **kwds):
self.no_smarty = 0
HTMLTranslator.__init__(self, *args, **kwds)
def visit_literal(self, node):
self.no_smarty += 1
try:
# this raises SkipNode
HTMLTranslator.visit_literal(self, node)
finally:
self.no_smarty -= 1
def visit_productionlist(self, node):
self.no_smarty += 1
try:
HTMLTranslator.visit_productionlist(self, node)
finally:
self.no_smarty -= 1
def encode(self, text):
text = HTMLTranslator.encode(self, text)
if self.no_smarty <= 0:
text = sphinx_smarty_pants(text)
return text
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