python类image()的实例源码

sphinx-3000.py 文件源码 项目:deoplete-jedi 作者: zchee 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def __init__(self, app):
        self.env = app.env
        self.env.set_versioning_method(self.versioning_method,
                                       self.versioning_compare)
        self.srcdir = app.srcdir
        self.confdir = app.confdir
        self.outdir = app.outdir
        self.doctreedir = app.doctreedir
        if not path.isdir(self.doctreedir):
            os.makedirs(self.doctreedir)

        self.app = app
        self.warn = app.warn
        self.info = app.info
        self.config = app.config
        self.tags = app.tags
        self.tags.add(self.format)
        self.tags.add(self.name)
        self.tags.add("format_%s" % self.format)
        self.tags.add("builder_%s" % self.name)
        # compatibility aliases
        self.status_iterator = app.status_iterator
        self.old_status_iterator = app.old_status_iterator

        # images that need to be copied over (source -> dest)
        self.images = {}
        # basename of images directory
        self.imagedir = ""
        # relative path to image directory from current docname (used at writing docs)
        self.imgpath = ""

        # these get set later
        self.parallel_ok = False
        self.finish_tasks = None

        # load default translator class
        self.translator_class = app._translators.get(self.name)

        self.init()

    # helper methods
images.py 文件源码 项目:blackmamba 作者: zrzka 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def figwidth_value(argument):
        if argument.lower() == 'image':
            return 'image'
        else:
            return directives.length_or_percentage_or_unitless(argument, 'px')
universal.py 文件源码 项目:RST-vscode 作者: tht13 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def get_tokens(self, txtnodes):
        # A generator that yields ``(texttype, nodetext)`` tuples for a list
        # of "Text" nodes (interface to ``smartquotes.educate_tokens()``).

        texttype = {True: 'literal', # "literal" text is not changed:
                    False: 'plain'}
        for txtnode in txtnodes:
            nodetype = texttype[isinstance(txtnode.parent,
                                           (nodes.literal,
                                            nodes.math,
                                            nodes.image,
                                            nodes.raw,
                                            nodes.problematic))]
            yield (nodetype, txtnode.astext())
images.py 文件源码 项目:RST-vscode 作者: tht13 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def figwidth_value(argument):
        if argument.lower() == 'image':
            return 'image'
        else:
            return directives.length_or_percentage_or_unitless(argument, 'px')
universal.py 文件源码 项目:tf_aws_ecs_instance_draining_on_scale_in 作者: terraform-community-modules 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def get_tokens(self, txtnodes):
        # A generator that yields ``(texttype, nodetext)`` tuples for a list
        # of "Text" nodes (interface to ``smartquotes.educate_tokens()``).

        texttype = {True: 'literal', # "literal" text is not changed:
                    False: 'plain'}
        for txtnode in txtnodes:
            nodetype = texttype[isinstance(txtnode.parent,
                                           (nodes.literal,
                                            nodes.math,
                                            nodes.image,
                                            nodes.raw,
                                            nodes.problematic))]
            yield (nodetype, txtnode.astext())
images.py 文件源码 项目:tf_aws_ecs_instance_draining_on_scale_in 作者: terraform-community-modules 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def figwidth_value(argument):
        if argument.lower() == 'image':
            return 'image'
        else:
            return directives.length_or_percentage_or_unitless(argument, 'px')
examples_and_gallery.py 文件源码 项目:plotnine 作者: has2k1 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def get_entries(self):
        def _get_sections(doctree):
            """
            Return all sections after the 'Examples' section
            """
            # Do not traverse all the sections, only look for those
            # that are siblings of the first node.
            ref_node = doctree[0][0]
            kwargs = dict(descend=False, siblings=True)
            exnode = None  # Examples node
            for section in ref_node.traverse(nodes.section, **kwargs):
                if section[0].astext() == 'Examples':
                    exnode = section
                    break

            if not exnode:
                return

            for section in exnode[0].traverse(nodes.section, **kwargs):
                yield section

        for section in _get_sections(self.doctree):
            section_id = section.attributes['ids'][0]
            section_title = section[0].astext()

            # If an emphasis follows the section, it is the description
            if isinstance(section[1][0], nodes.emphasis):
                description = section[1][0].astext()
            else:
                description = ''

            # Last image in the section is used to create the thumbnail
            try:
                image_node = section.traverse(nodes.image)[-1]
            except IndexError:
                continue
            else:
                image_filename = image_node.attributes['uri']

            yield GalleryEntry(
                title=section_title,
                section_id=section_id,
                html_link='{}#{}'.format(self.htmlfilename, section_id),
                thumbnail=self.make_thumbnail(image_filename),
                description=description)
writer.py 文件源码 项目:pymotw3 作者: reingart 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def visit_title(self, node):
        parent = node.parent
        if isinstance(parent, addnodes.seealso):
            # the environment already handles this
            raise nodes.SkipNode
        elif self.this_is_the_title:
            if len(node.children) != 1 and not isinstance(node.children[0],
                                                          nodes.Text):
                self.builder.warn('document title is not a single Text node',
                                  (self.curfilestack[-1], node.line))
            if not self.elements['title']:
                # text needs to be escaped since it is inserted into
                # the output literally
                self.elements['title'] = node.astext().translate(tex_escape_map)
            self.this_is_the_title = 0
            raise nodes.SkipNode
        elif isinstance(parent, nodes.section):
            short = ''
            if node.traverse(nodes.image):
                short = ('[%s]' %
                         u' '.join(clean_astext(node).split()).translate(tex_escape_map))

            try:
                self.body.append(r'\%s%s{' % (self.sectionnames[self.sectionlevel], short))
            except IndexError:
                # just use "subparagraph", it's not numbered anyway
                self.body.append(r'\%s%s{' % (self.sectionnames[-1], short))
            self.context.append('}\n')

            self.restrict_footnote(node)
            if self.next_section_ids:
                for id in sorted(self.next_section_ids):
                    self.context[-1] += self.hypertarget(id, anchor=False)
                self.next_section_ids.clear()

        elif isinstance(parent, (nodes.topic, nodes.sidebar)):
            self.body.append(r'\textbf{')
            self.context.append('}\n\n\medskip\n\n')
        elif isinstance(parent, nodes.Admonition):
            self.body.append('{')
            self.context.append('}\n')
        elif isinstance(parent, nodes.table):
            # Redirect body output until title is finished.
            self.pushbody([])
        else:
            self.builder.warn(
                'encountered title node not in section, topic, table, '
                'admonition or sidebar',
                (self.curfilestack[-1], node.line or ''))
            self.body.append('\\textbf{')
            self.context.append('}\n')
        self.in_title = 1
images.py 文件源码 项目:aws-cfn-plex 作者: lordmuffin 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def run(self):
        if 'align' in self.options:
            if isinstance(self.state, states.SubstitutionDef):
                # Check for align_v_values.
                if self.options['align'] not in self.align_v_values:
                    raise self.error(
                        'Error in "%s" directive: "%s" is not a valid value '
                        'for the "align" option within a substitution '
                        'definition.  Valid values for "align" are: "%s".'
                        % (self.name, self.options['align'],
                           '", "'.join(self.align_v_values)))
            elif self.options['align'] not in self.align_h_values:
                raise self.error(
                    'Error in "%s" directive: "%s" is not a valid value for '
                    'the "align" option.  Valid values for "align" are: "%s".'
                    % (self.name, self.options['align'],
                       '", "'.join(self.align_h_values)))
        messages = []
        reference = directives.uri(self.arguments[0])
        self.options['uri'] = reference
        reference_node = None
        if 'target' in self.options:
            block = states.escape2null(
                self.options['target']).splitlines()
            block = [line for line in block]
            target_type, data = self.state.parse_target(
                block, self.block_text, self.lineno)
            if target_type == 'refuri':
                reference_node = nodes.reference(refuri=data)
            elif target_type == 'refname':
                reference_node = nodes.reference(
                    refname=fully_normalize_name(data),
                    name=whitespace_normalize_name(data))
                reference_node.indirect_reference_name = data
                self.state.document.note_refname(reference_node)
            else:                           # malformed target
                messages.append(data)       # data is a system message
            del self.options['target']
        set_classes(self.options)
        image_node = nodes.image(self.block_text, **self.options)
        self.add_name(image_node)
        if reference_node:
            reference_node += image_node
            return messages + [reference_node]
        else:
            return messages + [image_node]
images.py 文件源码 项目:aws-cfn-plex 作者: lordmuffin 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def run(self):
        figwidth = self.options.pop('figwidth', None)
        figclasses = self.options.pop('figclass', None)
        align = self.options.pop('align', None)
        (image_node,) = Image.run(self)
        if isinstance(image_node, nodes.system_message):
            return [image_node]
        figure_node = nodes.figure('', image_node)
        if figwidth == 'image':
            if PIL and self.state.document.settings.file_insertion_enabled:
                imagepath = urllib.url2pathname(image_node['uri'])
                try:
                    img = PIL.Image.open(
                            imagepath.encode(sys.getfilesystemencoding()))
                except (IOError, UnicodeEncodeError):
                    pass # TODO: warn?
                else:
                    self.state.document.settings.record_dependencies.add(
                        imagepath.replace('\\', '/'))
                    figure_node['width'] = '%dpx' % img.size[0]
                    del img
        elif figwidth is not None:
            figure_node['width'] = figwidth
        if figclasses:
            figure_node['classes'] += figclasses
        if align:
            figure_node['align'] = align
        if self.content:
            node = nodes.Element()          # anonymous container for parsing
            self.state.nested_parse(self.content, self.content_offset, node)
            first_node = node[0]
            if isinstance(first_node, nodes.paragraph):
                caption = nodes.caption(first_node.rawsource, '',
                                        *first_node.children)
                caption.source = first_node.source
                caption.line = first_node.line
                figure_node += caption
            elif not (isinstance(first_node, nodes.comment)
                      and len(first_node) == 0):
                error = self.state_machine.reporter.error(
                      'Figure caption must be a paragraph or empty comment.',
                      nodes.literal_block(self.block_text, self.block_text),
                      line=self.lineno)
                return [figure_node, error]
            if len(node) > 1:
                figure_node += nodes.legend('', *node[1:])
        return [figure_node]
images.py 文件源码 项目:AshsSDK 作者: thehappydinoa 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def run(self):
        if 'align' in self.options:
            if isinstance(self.state, states.SubstitutionDef):
                # Check for align_v_values.
                if self.options['align'] not in self.align_v_values:
                    raise self.error(
                        'Error in "%s" directive: "%s" is not a valid value '
                        'for the "align" option within a substitution '
                        'definition.  Valid values for "align" are: "%s".'
                        % (self.name, self.options['align'],
                           '", "'.join(self.align_v_values)))
            elif self.options['align'] not in self.align_h_values:
                raise self.error(
                    'Error in "%s" directive: "%s" is not a valid value for '
                    'the "align" option.  Valid values for "align" are: "%s".'
                    % (self.name, self.options['align'],
                       '", "'.join(self.align_h_values)))
        messages = []
        reference = directives.uri(self.arguments[0])
        self.options['uri'] = reference
        reference_node = None
        if 'target' in self.options:
            block = states.escape2null(
                self.options['target']).splitlines()
            block = [line for line in block]
            target_type, data = self.state.parse_target(
                block, self.block_text, self.lineno)
            if target_type == 'refuri':
                reference_node = nodes.reference(refuri=data)
            elif target_type == 'refname':
                reference_node = nodes.reference(
                    refname=fully_normalize_name(data),
                    name=whitespace_normalize_name(data))
                reference_node.indirect_reference_name = data
                self.state.document.note_refname(reference_node)
            else:                           # malformed target
                messages.append(data)       # data is a system message
            del self.options['target']
        set_classes(self.options)
        image_node = nodes.image(self.block_text, **self.options)
        self.add_name(image_node)
        if reference_node:
            reference_node += image_node
            return messages + [reference_node]
        else:
            return messages + [image_node]
images.py 文件源码 项目:AshsSDK 作者: thehappydinoa 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def run(self):
        figwidth = self.options.pop('figwidth', None)
        figclasses = self.options.pop('figclass', None)
        align = self.options.pop('align', None)
        (image_node,) = Image.run(self)
        if isinstance(image_node, nodes.system_message):
            return [image_node]
        figure_node = nodes.figure('', image_node)
        if figwidth == 'image':
            if PIL and self.state.document.settings.file_insertion_enabled:
                imagepath = urllib.url2pathname(image_node['uri'])
                try:
                    img = PIL.Image.open(
                            imagepath.encode(sys.getfilesystemencoding()))
                except (IOError, UnicodeEncodeError):
                    pass # TODO: warn?
                else:
                    self.state.document.settings.record_dependencies.add(
                        imagepath.replace('\\', '/'))
                    figure_node['width'] = '%dpx' % img.size[0]
                    del img
        elif figwidth is not None:
            figure_node['width'] = figwidth
        if figclasses:
            figure_node['classes'] += figclasses
        if align:
            figure_node['align'] = align
        if self.content:
            node = nodes.Element()          # anonymous container for parsing
            self.state.nested_parse(self.content, self.content_offset, node)
            first_node = node[0]
            if isinstance(first_node, nodes.paragraph):
                caption = nodes.caption(first_node.rawsource, '',
                                        *first_node.children)
                caption.source = first_node.source
                caption.line = first_node.line
                figure_node += caption
            elif not (isinstance(first_node, nodes.comment)
                      and len(first_node) == 0):
                error = self.state_machine.reporter.error(
                      'Figure caption must be a paragraph or empty comment.',
                      nodes.literal_block(self.block_text, self.block_text),
                      line=self.lineno)
                return [figure_node, error]
            if len(node) > 1:
                figure_node += nodes.legend('', *node[1:])
        return [figure_node]
images.py 文件源码 项目:chalktalk_docs 作者: loremIpsum1771 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def run(self):
        if 'align' in self.options:
            if isinstance(self.state, states.SubstitutionDef):
                # Check for align_v_values.
                if self.options['align'] not in self.align_v_values:
                    raise self.error(
                        'Error in "%s" directive: "%s" is not a valid value '
                        'for the "align" option within a substitution '
                        'definition.  Valid values for "align" are: "%s".'
                        % (self.name, self.options['align'],
                           '", "'.join(self.align_v_values)))
            elif self.options['align'] not in self.align_h_values:
                raise self.error(
                    'Error in "%s" directive: "%s" is not a valid value for '
                    'the "align" option.  Valid values for "align" are: "%s".'
                    % (self.name, self.options['align'],
                       '", "'.join(self.align_h_values)))
        messages = []
        reference = directives.uri(self.arguments[0])
        self.options['uri'] = reference
        reference_node = None
        if 'target' in self.options:
            block = states.escape2null(
                self.options['target']).splitlines()
            block = [line for line in block]
            target_type, data = self.state.parse_target(
                block, self.block_text, self.lineno)
            if target_type == 'refuri':
                reference_node = nodes.reference(refuri=data)
            elif target_type == 'refname':
                reference_node = nodes.reference(
                    refname=fully_normalize_name(data),
                    name=whitespace_normalize_name(data))
                reference_node.indirect_reference_name = data
                self.state.document.note_refname(reference_node)
            else:                           # malformed target
                messages.append(data)       # data is a system message
            del self.options['target']
        set_classes(self.options)
        image_node = nodes.image(self.block_text, **self.options)
        self.add_name(image_node)
        if reference_node:
            reference_node += image_node
            return messages + [reference_node]
        else:
            return messages + [image_node]
images.py 文件源码 项目:chalktalk_docs 作者: loremIpsum1771 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def run(self):
        figwidth = self.options.pop('figwidth', None)
        figclasses = self.options.pop('figclass', None)
        align = self.options.pop('align', None)
        (image_node,) = Image.run(self)
        if isinstance(image_node, nodes.system_message):
            return [image_node]
        figure_node = nodes.figure('', image_node)
        if figwidth == 'image':
            if PIL and self.state.document.settings.file_insertion_enabled:
                imagepath = urllib.url2pathname(image_node['uri'])
                try:
                    img = PIL.Image.open(
                            imagepath.encode(sys.getfilesystemencoding()))
                except (IOError, UnicodeEncodeError):
                    pass # TODO: warn?
                else:
                    self.state.document.settings.record_dependencies.add(
                        imagepath.replace('\\', '/'))
                    figure_node['width'] = '%dpx' % img.size[0]
                    del img
        elif figwidth is not None:
            figure_node['width'] = figwidth
        if figclasses:
            figure_node['classes'] += figclasses
        if align:
            figure_node['align'] = align
        if self.content:
            node = nodes.Element()          # anonymous container for parsing
            self.state.nested_parse(self.content, self.content_offset, node)
            first_node = node[0]
            if isinstance(first_node, nodes.paragraph):
                caption = nodes.caption(first_node.rawsource, '',
                                        *first_node.children)
                caption.source = first_node.source
                caption.line = first_node.line
                figure_node += caption
            elif not (isinstance(first_node, nodes.comment)
                      and len(first_node) == 0):
                error = self.state_machine.reporter.error(
                      'Figure caption must be a paragraph or empty comment.',
                      nodes.literal_block(self.block_text, self.block_text),
                      line=self.lineno)
                return [figure_node, error]
            if len(node) > 1:
                figure_node += nodes.legend('', *node[1:])
        return [figure_node]
latex.py 文件源码 项目:chalktalk_docs 作者: loremIpsum1771 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def visit_title(self, node):
        parent = node.parent
        if isinstance(parent, addnodes.seealso):
            # the environment already handles this
            raise nodes.SkipNode
        elif self.this_is_the_title:
            if len(node.children) != 1 and not isinstance(node.children[0],
                                                          nodes.Text):
                self.builder.warn('document title is not a single Text node',
                                  (self.curfilestack[-1], node.line))
            if not self.elements['title']:
                # text needs to be escaped since it is inserted into
                # the output literally
                self.elements['title'] = node.astext().translate(tex_escape_map)
            self.this_is_the_title = 0
            raise nodes.SkipNode
        elif isinstance(parent, nodes.section):
            short = ''
            if node.traverse(nodes.image):
                short = '[%s]' % ' '.join(clean_astext(node).split()).translate(tex_escape_map)

            try:
                self.body.append(r'\%s%s{' % (self.sectionnames[self.sectionlevel], short))
            except IndexError:
                # just use "subparagraph", it's not numbered anyway
                self.body.append(r'\%s%s{' % (self.sectionnames[-1], short))
            self.context.append('}\n')

            self.restrict_footnote(node)
            if self.next_section_ids:
                for id in self.next_section_ids:
                    self.context[-1] += self.hypertarget(id, anchor=False)
                self.next_section_ids.clear()

        elif isinstance(parent, (nodes.topic, nodes.sidebar)):
            self.body.append(r'\textbf{')
            self.context.append('}\n\n\medskip\n\n')
        elif isinstance(parent, nodes.Admonition):
            self.body.append('{')
            self.context.append('}\n')
        elif isinstance(parent, nodes.table):
            # Redirect body output until title is finished.
            self.pushbody([])
        else:
            self.builder.warn(
                'encountered title node not in section, topic, table, '
                'admonition or sidebar',
                (self.curfilestack[-1], node.line or ''))
            self.body.append('\\textbf{')
            self.context.append('}\n')
        self.in_title = 1
html.py 文件源码 项目:chalktalk_docs 作者: loremIpsum1771 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def visit_image(self, node):
        olduri = node['uri']
        # rewrite the URI if the environment knows about it
        if olduri in self.builder.images:
            node['uri'] = posixpath.join(self.builder.imgpath,
                                         self.builder.images[olduri])

        if node['uri'].lower().endswith('svg') or \
           node['uri'].lower().endswith('svgz'):
            atts = {'src': node['uri']}
            if 'width' in node:
                atts['width'] = node['width']
            if 'height' in node:
                atts['height'] = node['height']
            if 'alt' in node:
                atts['alt'] = node['alt']
            if 'align' in node:
                self.body.append('<div align="%s" class="align-%s">' %
                                 (node['align'], node['align']))
                self.context.append('</div>\n')
            else:
                self.context.append('')
            self.body.append(self.emptytag(node, 'img', '', **atts))
            return

        if 'scale' in node:
            # Try to figure out image height and width.  Docutils does that too,
            # but it tries the final file name, which does not necessarily exist
            # yet at the time the HTML file is written.
            if Image and not ('width' in node and 'height' in node):
                try:
                    im = Image.open(os.path.join(self.builder.srcdir, olduri))
                except (IOError,  # Source image can't be found or opened
                        UnicodeError):  # PIL doesn't like Unicode paths.
                    pass
                else:
                    if 'width' not in node:
                        node['width'] = str(im.size[0])
                    if 'height' not in node:
                        node['height'] = str(im.size[1])
                    try:
                        im.fp.close()
                    except Exception:
                        pass
        BaseTranslator.visit_image(self, node)
images.py 文件源码 项目:blackmamba 作者: zrzka 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def run(self):
        if 'align' in self.options:
            if isinstance(self.state, states.SubstitutionDef):
                # Check for align_v_values.
                if self.options['align'] not in self.align_v_values:
                    raise self.error(
                        'Error in "%s" directive: "%s" is not a valid value '
                        'for the "align" option within a substitution '
                        'definition.  Valid values for "align" are: "%s".'
                        % (self.name, self.options['align'],
                           '", "'.join(self.align_v_values)))
            elif self.options['align'] not in self.align_h_values:
                raise self.error(
                    'Error in "%s" directive: "%s" is not a valid value for '
                    'the "align" option.  Valid values for "align" are: "%s".'
                    % (self.name, self.options['align'],
                       '", "'.join(self.align_h_values)))
        messages = []
        reference = directives.uri(self.arguments[0])
        self.options['uri'] = reference
        reference_node = None
        if 'target' in self.options:
            block = states.escape2null(
                self.options['target']).splitlines()
            block = [line for line in block]
            target_type, data = self.state.parse_target(
                block, self.block_text, self.lineno)
            if target_type == 'refuri':
                reference_node = nodes.reference(refuri=data)
            elif target_type == 'refname':
                reference_node = nodes.reference(
                    refname=fully_normalize_name(data),
                    name=whitespace_normalize_name(data))
                reference_node.indirect_reference_name = data
                self.state.document.note_refname(reference_node)
            else:                           # malformed target
                messages.append(data)       # data is a system message
            del self.options['target']
        set_classes(self.options)
        image_node = nodes.image(self.block_text, **self.options)
        self.add_name(image_node)
        if reference_node:
            reference_node += image_node
            return messages + [reference_node]
        else:
            return messages + [image_node]
images.py 文件源码 项目:blackmamba 作者: zrzka 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def run(self):
        figwidth = self.options.pop('figwidth', None)
        figclasses = self.options.pop('figclass', None)
        align = self.options.pop('align', None)
        (image_node,) = Image.run(self)
        if isinstance(image_node, nodes.system_message):
            return [image_node]
        figure_node = nodes.figure('', image_node)
        if figwidth == 'image':
            if PIL and self.state.document.settings.file_insertion_enabled:
                imagepath = urllib.request.url2pathname(image_node['uri'])
                try:
                    img = PIL.Image.open(
                            imagepath.encode(sys.getfilesystemencoding()))
                except (IOError, UnicodeEncodeError):
                    pass # TODO: warn?
                else:
                    self.state.document.settings.record_dependencies.add(
                        imagepath.replace('\\', '/'))
                    figure_node['width'] = '%dpx' % img.size[0]
                    del img
        elif figwidth is not None:
            figure_node['width'] = figwidth
        if figclasses:
            figure_node['classes'] += figclasses
        if align:
            figure_node['align'] = align
        if self.content:
            node = nodes.Element()          # anonymous container for parsing
            self.state.nested_parse(self.content, self.content_offset, node)
            first_node = node[0]
            if isinstance(first_node, nodes.paragraph):
                caption = nodes.caption(first_node.rawsource, '',
                                        *first_node.children)
                caption.source = first_node.source
                caption.line = first_node.line
                figure_node += caption
            elif not (isinstance(first_node, nodes.comment)
                      and len(first_node) == 0):
                error = self.state_machine.reporter.error(
                      'Figure caption must be a paragraph or empty comment.',
                      nodes.literal_block(self.block_text, self.block_text),
                      line=self.lineno)
                return [figure_node, error]
            if len(node) > 1:
                figure_node += nodes.legend('', *node[1:])
        return [figure_node]
images.py 文件源码 项目:RST-vscode 作者: tht13 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def run(self):
        if 'align' in self.options:
            if isinstance(self.state, states.SubstitutionDef):
                # Check for align_v_values.
                if self.options['align'] not in self.align_v_values:
                    raise self.error(
                        'Error in "%s" directive: "%s" is not a valid value '
                        'for the "align" option within a substitution '
                        'definition.  Valid values for "align" are: "%s".'
                        % (self.name, self.options['align'],
                           '", "'.join(self.align_v_values)))
            elif self.options['align'] not in self.align_h_values:
                raise self.error(
                    'Error in "%s" directive: "%s" is not a valid value for '
                    'the "align" option.  Valid values for "align" are: "%s".'
                    % (self.name, self.options['align'],
                       '", "'.join(self.align_h_values)))
        messages = []
        reference = directives.uri(self.arguments[0])
        self.options['uri'] = reference
        reference_node = None
        if 'target' in self.options:
            block = states.escape2null(
                self.options['target']).splitlines()
            block = [line for line in block]
            target_type, data = self.state.parse_target(
                block, self.block_text, self.lineno)
            if target_type == 'refuri':
                reference_node = nodes.reference(refuri=data)
            elif target_type == 'refname':
                reference_node = nodes.reference(
                    refname=fully_normalize_name(data),
                    name=whitespace_normalize_name(data))
                reference_node.indirect_reference_name = data
                self.state.document.note_refname(reference_node)
            else:                           # malformed target
                messages.append(data)       # data is a system message
            del self.options['target']
        set_classes(self.options)
        image_node = nodes.image(self.block_text, **self.options)
        self.add_name(image_node)
        if reference_node:
            reference_node += image_node
            return messages + [reference_node]
        else:
            return messages + [image_node]


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