Remove snippet support, not used

Signed-off-by: Michal Čihař <michal@cihar.com>

docs/_ext/djangodocs.py

@@ -54,136 +54,6 @@ def setup(app):
         parse_node=parse_django_adminopt_node,
     )
 
-    # register the snippet directive
-    app.add_directive('snippet', SnippetWithFilename)
-    # register a node for snippet directive so that the xml parser
-    # knows how to handle the enter/exit parsing event
-    app.add_node(snippet_with_filename,
-                 html=(visit_snippet, depart_snippet_literal),
-                 latex=(visit_snippet_latex, depart_snippet_latex),
-                 man=(visit_snippet_literal, depart_snippet_literal),
-                 text=(visit_snippet_literal, depart_snippet_literal),
-                 texinfo=(visit_snippet_literal, depart_snippet_literal))
-
-
-class snippet_with_filename(nodes.literal_block):
-    """
-    Subclass the literal_block to override the visit/depart event handlers
-    """
-    pass
-
-
-def visit_snippet_literal(self, node):
-    """
-    default literal block handler
-    """
-    self.visit_literal_block(node)
-
-
-def depart_snippet_literal(self, node):
-    """
-    default literal block handler
-    """
-    self.depart_literal_block(node)
-
-
-def visit_snippet(self, node):
-    """
-    HTML document generator visit handler
-    """
-    lang = self.highlightlang
-    linenos = node.rawsource.count('\n') >= self.highlightlinenothreshold - 1
-    fname = node['filename']
-    highlight_args = node.get('highlight_args', {})
-    if 'language' in node:
-        # code-block directives
-        lang = node['language']
-        highlight_args['force'] = True
-    if 'linenos' in node:
-        linenos = node['linenos']
-
-    def warner(msg):
-        self.builder.warn(msg, (self.builder.current_docname, node.line))
-
-    highlighted = self.highlighter.highlight_block(node.rawsource, lang,
-                                                   warn=warner,
-                                                   linenos=linenos,
-                                                   **highlight_args)
-    starttag = self.starttag(node, 'div', suffix='',
-                             CLASS='highlight-%s' % lang)
-    self.body.append(starttag)
-    self.body.append('<div class="snippet-filename">%s</div>\n''' % (fname,))
-    self.body.append(highlighted)
-    self.body.append('</div>\n')
-    raise nodes.SkipNode
-
-
-def visit_snippet_latex(self, node):
-    """
-    Latex document generator visit handler
-    """
-    self.verbatim = ''
-
-
-def depart_snippet_latex(self, node):
-    """
-    Latex document generator depart handler.
-    """
-    code = self.verbatim.rstrip('\n')
-    lang = self.hlsettingstack[-1][0]
-    linenos = code.count('\n') >= self.hlsettingstack[-1][1] - 1
-    fname = node['filename']
-    highlight_args = node.get('highlight_args', {})
-    if 'language' in node:
-        # code-block directives
-        lang = node['language']
-        highlight_args['force'] = True
-    if 'linenos' in node:
-        linenos = node['linenos']
-
-    def warner(msg):
-        self.builder.warn(msg, (self.curfilestack[-1], node.line))
-
-    hlcode = self.highlighter.highlight_block(code, lang, warn=warner,
-                                              linenos=linenos,
-                                              **highlight_args)
-
-    self.body.append('\n{\\colorbox[rgb]{0.9,0.9,0.9}'
-                     '{\\makebox[\\textwidth][l]'
-                     '{\\small\\texttt{%s}}}}\n' % (fname,))
-
-    if self.table:
-        hlcode = hlcode.replace('\\begin{Verbatim}',
-                                '\\begin{OriginalVerbatim}')
-        self.table.has_problematic = True
-        self.table.has_verbatim = True
-
-    hlcode = hlcode.rstrip()[:-14]  # strip \end{Verbatim}
-    hlcode = hlcode.rstrip() + '\n'
-    self.body.append('\n' + hlcode + '\\end{%sVerbatim}\n' %
-                     (self.table and 'Original' or ''))
-    self.verbatim = None
-
-
-class SnippetWithFilename(Directive):
-    """
-    The 'snippet' directive that allows to add the filename (optional)
-    of a code snippet in the document. This is modeled after CodeBlock.
-    """
-    has_content = True
-    optional_arguments = 1
-    option_spec = {'filename': directives.unchanged_required}
-
-    def run(self):
-        code = '\n'.join(self.content)
-
-        literal = snippet_with_filename(code, code)
-        if self.arguments:
-            literal['language'] = self.arguments[0]
-        literal['filename'] = self.options['filename']
-        set_source_info(self, literal)
-        return [literal]
-
 
 class DjangoHTMLTranslator(SmartyPantsHTMLTranslator):
     """