Python docutils.nodes.document() Examples

def apply(self):
        pending = self.startnode
        parent = pending.parent
        child = pending
        while parent:
            # Check for appropriate following siblings:
            for index in range(parent.index(child) + 1, len(parent)):
                element = parent[index]
                if (isinstance(element, nodes.Invisible) or
                    isinstance(element, nodes.system_message)):
                    continue
                element['classes'] += pending.details['class']
                pending.parent.remove(pending)
                return
            else:
                # At end of section or container; apply to sibling
                child = parent
                parent = parent.parent
        error = self.document.reporter.error(
            'No suitable element following "%s" directive'
            % pending.details['directive'],
            nodes.literal_block(pending.rawsource, pending.rawsource),
            line=pending.line)
        pending.replace_self(error) 

def visit_title(self, node):
        if isinstance(node.parent, nodes.topic):
            self.body.append(self.defs['topic-title'][0])
        elif isinstance(node.parent, nodes.sidebar):
            self.body.append(self.defs['sidebar-title'][0])
        elif isinstance(node.parent, nodes.admonition):
            self.body.append('.IP "')
        elif self.section_level == 0:
            self._docinfo['title'] = node.astext()
            # document title for .TH
            self._docinfo['title_upper'] = node.astext().upper()
            raise nodes.SkipNode
        elif self.section_level == 1:
            self.body.append('.SH %s\n' % self.deunicode(node.astext().upper()))
            raise nodes.SkipNode
        else:
            self.body.append('.SS ') 

def apply(self):
        pending = self.startnode
        parent = pending.parent
        child = pending
        while parent:
            # Check for appropriate following siblings:
            for index in range(parent.index(child) + 1, len(parent)):
                element = parent[index]
                if (isinstance(element, nodes.Invisible) or
                    isinstance(element, nodes.system_message)):
                    continue
                element['classes'] += pending.details['class']
                pending.parent.remove(pending)
                return
            else:
                # At end of section or container; apply to sibling
                child = parent
                parent = parent.parent
        error = self.document.reporter.error(
            'No suitable element following "%s" directive'
            % pending.details['directive'],
            nodes.literal_block(pending.rawsource, pending.rawsource),
            line=pending.line)
        pending.replace_self(error) 

def astext(self):
        """Return the final formatted document as a string."""
        if not self.header_written:
            # ensure we get a ".TH" as viewers require it.
            self.append_header()
        # filter body
        for i in range(len(self.body)-1, 0, -1):
            # remove superfluous vertical gaps.
            if self.body[i] == '.sp\n':
                if self.body[i - 1][:4] in ('.BI ','.IP '):
                    self.body[i] = '.\n'
                elif (self.body[i - 1][:3] == '.B ' and
                    self.body[i - 2][:4] == '.TP\n'):
                    self.body[i] = '.\n'
                elif (self.body[i - 1] == '\n' and
                    not self.possibly_a_roff_command.match(self.body[i - 2]) and
                    (self.body[i - 3][:7] == '.TP\n.B '
                        or self.body[i - 3][:4] == '\n.B ')
                     ):
                    self.body[i] = '.\n'
        return ''.join(self.head + self.body + self.foot) 

def new_reporter(source_path, settings):
    """
    Return a new Reporter object.

    :Parameters:
        `source` : string
            The path to or description of the source text of the document.
        `settings` : optparse.Values object
            Runtime settings.
    """
    reporter = Reporter(
        source_path, settings.report_level, settings.halt_level,
        stream=settings.warning_stream, debug=settings.debug,
        encoding=settings.error_encoding,
        error_handler=settings.error_encoding_error_handler)
    return reporter 

def new_reporter(source_path, settings):
    """
    Return a new Reporter object.

    :Parameters:
        `source` : string
            The path to or description of the source text of the document.
        `settings` : optparse.Values object
            Runtime settings.
    """
    reporter = Reporter(
        source_path, settings.report_level, settings.halt_level,
        stream=settings.warning_stream, debug=settings.debug,
        encoding=settings.error_encoding,
        error_handler=settings.error_encoding_error_handler)
    return reporter 

def astext(self):
        """Return the final formatted document as a string."""
        if not self.header_written:
            # ensure we get a ".TH" as viewers require it.
            self.append_header()
        # filter body
        for i in range(len(self.body)-1, 0, -1):
            # remove superfluous vertical gaps.
            if self.body[i] == '.sp\n':
                if self.body[i - 1][:4] in ('.BI ','.IP '):
                    self.body[i] = '.\n'
                elif (self.body[i - 1][:3] == '.B ' and
                    self.body[i - 2][:4] == '.TP\n'):
                    self.body[i] = '.\n'
                elif (self.body[i - 1] == '\n' and
                    not self.possibly_a_roff_command.match(self.body[i - 2]) and
                    (self.body[i - 3][:7] == '.TP\n.B '
                        or self.body[i - 3][:4] == '\n.B ')
                     ):
                    self.body[i] = '.\n'
        return ''.join(self.head + self.body + self.foot) 

def visit_title(self, node):
        if isinstance(node.parent, nodes.topic):
            self.body.append(self.defs['topic-title'][0])
        elif isinstance(node.parent, nodes.sidebar):
            self.body.append(self.defs['sidebar-title'][0])
        elif isinstance(node.parent, nodes.admonition):
            self.body.append('.IP "')
        elif self.section_level == 0:
            self._docinfo['title'] = node.astext()
            # document title for .TH
            self._docinfo['title_upper'] = node.astext().upper()
            raise nodes.SkipNode
        elif self.section_level == 1:
            self.body.append('.SH %s\n' % self.deunicode(node.astext().upper()))
            raise nodes.SkipNode
        else:
            self.body.append('.SS ') 

def stylesheet_call(self, path):
        """Return code to reference or embed stylesheet file `path`"""
        if self.settings.embed_stylesheet:
            try:
                content = io.FileInput(source_path=path,
                                       encoding='utf-8').read()
                self.settings.record_dependencies.add(path)
            except IOError as err:
                msg = "Cannot embed stylesheet '%s': %s." % (
                                path, SafeString(err.strerror))
                self.document.reporter.error(msg)
                return '<--- %s --->\n' % msg
            return self.embedded_stylesheet % content
        # else link to style file:
        if self.settings.stylesheet_path:
            # adapt path relative to output (cf. config.html#stylesheet-path)
            path = utils.relative_path(self.settings._destination, path)
        return self.stylesheet_link % self.encode(path) 

def check_simple_list(self, node):
        """Check for a simple list that can be rendered compactly."""
        visitor = SimpleListChecker(self.document)
        try:
            node.walk(visitor)
        except nodes.NodeFound:
            return False
        else:
            return True

    # Compact lists
    # ------------
    # Include definition lists and field lists (in addition to ordered
    # and unordered lists) in the test if a list is "simple"  (cf. the
    # html4css1.HTMLTranslator docstring and the SimpleListChecker class at
    # the end of this file). 

def depart_document(self, node):
        self.head_prefix.extend([self.doctype,
                                 self.head_prefix_template %
                                 {'lang': self.settings.language_code}])
        self.html_prolog.append(self.doctype)
        self.meta.insert(0, self.content_type % self.settings.output_encoding)
        self.head.insert(0, self.content_type % self.settings.output_encoding)
        if self.math_header:
            if self.math_output == 'mathjax':
                self.head.extend(self.math_header)
            else:
                self.stylesheet.extend(self.math_header)
        # skip content-type meta tag with interpolated charset value:
        self.html_head.extend(self.head[1:])
        self.body_prefix.append(self.starttag(node, 'div', CLASS='document'))
        self.body_suffix.insert(0, '</div>\n')
        self.fragment.extend(self.body) # self.fragment is the "naked" body
        self.html_body.extend(self.body_prefix[1:] + self.body_pre_docinfo
                              + self.docinfo + self.body
                              + self.body_suffix[:-1])
        assert not self.context, 'len(context) = %s' % len(self.context) 

def apply(self):
        pending = self.startnode
        parent = pending.parent
        child = pending
        while parent:
            # Check for appropriate following siblings:
            for index in range(parent.index(child) + 1, len(parent)):
                element = parent[index]
                if (isinstance(element, nodes.Invisible) or
                    isinstance(element, nodes.system_message)):
                    continue
                element['classes'] += pending.details['class']
                pending.parent.remove(pending)
                return
            else:
                # At end of section or container; apply to sibling
                child = parent
                parent = parent.parent
        error = self.document.reporter.error(
            'No suitable element following "%s" directive'
            % pending.details['directive'],
            nodes.literal_block(pending.rawsource, pending.rawsource),
            line=pending.line)
        pending.replace_self(error) 

def translate(self):
        visitor = self.translator_class(self.document)
        self.document.walkabout(visitor)
        # copy parts
        for part in self.visitor_attributes:
            setattr(self, part, getattr(visitor, part))
        # get template string from file
        try:
            template_file = open(self.document.settings.template, 'rb')
        except IOError:
            template_file = open(os.path.join(self.default_template_path,
                                     self.document.settings.template), 'rb')
        template = string.Template(str(template_file.read(), 'utf-8'))
        template_file.close()
        # fill template
        self.assemble_parts() # create dictionary of parts
        self.output = template.substitute(self.parts) 

def _check_rst_data(self, data):
        """Returns warnings when the provided data doesn't compile."""
        source_path = StringIO()
        parser = Parser()
        settings = frontend.OptionParser().get_default_values()
        settings.tab_width = 4
        settings.pep_references = None
        settings.rfc_references = None
        reporter = SilentReporter(source_path,
                          settings.report_level,
                          settings.halt_level,
                          stream=settings.warning_stream,
                          debug=settings.debug,
                          encoding=settings.error_encoding,
                          error_handler=settings.error_encoding_error_handler)

        document = nodes.document(settings, reporter, source=source_path)
        document.note_source(source_path, -1)
        try:
            parser.parse(data, document)
        except AttributeError:
            reporter.messages.append((-1, 'Could not finish the parsing.',
                                      '', {}))

        return reporter.messages 

def _check_rst_data(self, data):
        """Returns warnings when the provided data doesn't compile."""
        source_path = StringIO()
        parser = Parser()
        settings = frontend.OptionParser().get_default_values()
        settings.tab_width = 4
        settings.pep_references = None
        settings.rfc_references = None
        reporter = SilentReporter(source_path,
                          settings.report_level,
                          settings.halt_level,
                          stream=settings.warning_stream,
                          debug=settings.debug,
                          encoding=settings.error_encoding,
                          error_handler=settings.error_encoding_error_handler)

        document = nodes.document(settings, reporter, source=source_path)
        document.note_source(source_path, -1)
        try:
            parser.parse(data, document)
        except AttributeError:
            reporter.messages.append((-1, 'Could not finish the parsing.',
                                      '', {}))

        return reporter.messages 

def _check_rst_data(self, data):
        """Returns warnings when the provided data doesn't compile."""
        source_path = StringIO()
        parser = Parser()
        settings = frontend.OptionParser().get_default_values()
        settings.tab_width = 4
        settings.pep_references = None
        settings.rfc_references = None
        reporter = SilentReporter(source_path,
                          settings.report_level,
                          settings.halt_level,
                          stream=settings.warning_stream,
                          debug=settings.debug,
                          encoding=settings.error_encoding,
                          error_handler=settings.error_encoding_error_handler)

        document = nodes.document(settings, reporter, source=source_path)
        document.note_source(source_path, -1)
        try:
            parser.parse(data, document)
        except AttributeError:
            reporter.messages.append((-1, 'Could not finish the parsing.',
                                      '', {}))

        return reporter.messages 

def new_reporter(source_path, settings):
    """
    Return a new Reporter object.

    :Parameters:
        `source` : string
            The path to or description of the source text of the document.
        `settings` : optparse.Values object
            Runtime settings.
    """
    reporter = Reporter(
        source_path, settings.report_level, settings.halt_level,
        stream=settings.warning_stream, debug=settings.debug,
        encoding=settings.error_encoding,
        error_handler=settings.error_encoding_error_handler)
    return reporter 

def depart_literal_block(self, node):
        self.insert_non_breaking_blanks = False
        self.insert_newline = False
        self.literal = False
        self.verbatim = False
        self.alltt = False
        self.out.append(self.context.pop())
        self.out.append(self.context.pop())

    ## def visit_meta(self, node):
    ##     self.out.append('[visit_meta]\n')
        # TODO: set keywords for pdf?
        # But:
        #  The reStructuredText "meta" directive creates a "pending" node,
        #  which contains knowledge that the embedded "meta" node can only
        #  be handled by HTML-compatible writers. The "pending" node is
        #  resolved by the docutils.transforms.components.Filter transform,
        #  which checks that the calling writer supports HTML; if it doesn't,
        #  the "pending" node (and enclosed "meta" node) is removed from the
        #  document.
        #  --- docutils/docs/peps/pep-0258.html#transformer

    ## def depart_meta(self, node):
    ##     self.out.append('[depart_meta]\n') 

def _check_rst_data(self, data):
        """Returns warnings when the provided data doesn't compile."""
        source_path = StringIO()
        parser = Parser()
        settings = frontend.OptionParser().get_default_values()
        settings.tab_width = 4
        settings.pep_references = None
        settings.rfc_references = None
        reporter = SilentReporter(source_path,
                          settings.report_level,
                          settings.halt_level,
                          stream=settings.warning_stream,
                          debug=settings.debug,
                          encoding=settings.error_encoding,
                          error_handler=settings.error_encoding_error_handler)

        document = nodes.document(settings, reporter, source=source_path)
        document.note_source(source_path, -1)
        try:
            parser.parse(data, document)
        except AttributeError:
            reporter.messages.append((-1, 'Could not finish the parsing.',
                                      '', {}))

        return reporter.messages 

def visit_substitution_reference(self, node):
        self.document.reporter.warning('"substitution_reference" not supported',
                base_node=node) 

def apply(self):
        try: # let the writer (or output software) build the contents list?
            toc_by_writer = self.document.settings.use_latex_toc
        except AttributeError:
            toc_by_writer = False
        details = self.startnode.details
        if 'local' in details:
            startnode = self.startnode.parent.parent
            while not (isinstance(startnode, nodes.section)
                       or isinstance(startnode, nodes.document)):
                # find the ToC root: a direct ancestor of startnode
                startnode = startnode.parent
        else:
            startnode = self.document
        self.toc_id = self.startnode.parent['ids'][0]
        if 'backlinks' in details:
            self.backlinks = details['backlinks']
        else:
            self.backlinks = self.document.settings.toc_backlinks
        if toc_by_writer:
            # move customization settings to the parent node
            self.startnode.parent.attributes.update(details)
            self.startnode.parent.remove(self.startnode)
        else:
            contents = self.build_contents(startnode)
            if len(contents):
                self.startnode.replace_self(contents)
            else:
                self.startnode.parent.parent.remove(self.startnode.parent) 

def apply(self):
        for node in self.document.traverse(nodes.transition):
            self.visit_transition(node) 

def apply_template(self):
        template_file = open(self.document.settings.template, 'rb')
        template = str(template_file.read(), 'utf-8')
        template_file.close()
        subs = self.interpolation_dict()
        return template % subs 

def interpolation_dict(self):
        subs = {}
        settings = self.document.settings
        for attr in self.visitor_attributes:
            subs[attr] = ''.join(getattr(self, attr)).rstrip('\n')
        subs['encoding'] = settings.output_encoding
        subs['version'] = docutils.__version__
        return subs 

def build_contents(self, node, level=0):
        level += 1
        sections = [sect for sect in node if isinstance(sect, nodes.section)]
        entries = []
        autonum = 0
        depth = self.startnode.details.get('depth', sys.maxint)
        for section in sections:
            title = section[0]
            auto = title.get('auto')    # May be set by SectNum.
            entrytext = self.copy_and_filter(title)
            reference = nodes.reference('', '', refid=section['ids'][0],
                                        *entrytext)
            ref_id = self.document.set_id(reference)
            entry = nodes.paragraph('', '', reference)
            item = nodes.list_item('', entry)
            if ( self.backlinks in ('entry', 'top')
                 and title.next_node(nodes.reference) is None):
                if self.backlinks == 'entry':
                    title['refid'] = ref_id
                elif self.backlinks == 'top':
                    title['refid'] = self.toc_id
            if level < depth:
                subsects = self.build_contents(section, level)
                item += subsects
            entries.append(item)
        if entries:
            contents = nodes.bullet_list('', *entries)
            if auto:
                contents['classes'].append('auto-toc')
            return contents
        else:
            return [] 

def new_document(source_path, settings=None):
    """
    Return a new empty document object.

    :Parameters:
        `source_path` : string
            The path to or description of the source text of the document.
        `settings` : optparse.Values object
            Runtime settings.  If none are provided, a default core set will
            be used.  If you will use the document object with any Docutils
            components, you must provide their default settings as well.  For
            example, if parsing, at least provide the parser settings,
            obtainable as follows::

                settings = docutils.frontend.OptionParser(
                    components=(docutils.parsers.rst.Parser,)
                    ).get_default_values()
    """
    from docutils import frontend
    if settings is None:
        settings = frontend.OptionParser().get_default_values()
    source_path = decode_path(source_path)
    reporter = new_reporter(source_path, settings)
    document = nodes.document(settings, reporter, source=source_path)
    document.note_source(source_path, -1)
    return document 

def visit_target(self, node):
        # targets are in-document hyper targets, without any use for man-pages.
        raise nodes.SkipNode 

def depart_subtitle(self, node):
        # document subtitle calls SkipNode
        self.body.append(self.defs['strong'][1]+'\n.PP\n') 

def visit_subtitle(self, node):
        if isinstance(node.parent, nodes.sidebar):
            self.body.append(self.defs['strong'][0])
        elif isinstance(node.parent, nodes.document):
            self.visit_docinfo_item(node, 'subtitle')
        elif isinstance(node.parent, nodes.section):
            self.body.append(self.defs['strong'][0]) 

def translate(self):
        self.visitor = visitor = self.translator_class(self.document)
        self.document.walkabout(visitor)
        for attr in self.visitor_attributes:
            setattr(self, attr, getattr(visitor, attr))
        self.output = self.apply_template()