Python docutils.nodes 模块，option_string() 实例源码

def print_arg_list(data, nested_content):
    definitions = map_nested_definitions(nested_content)
    items = []
    if 'args' in data:
        for arg in data['args']:
            my_def = [nodes.paragraph(text=arg['help'])] if arg['help'] else []
            name = arg['name']
            my_def = apply_definition(definitions, my_def, name)
            if len(my_def) == 0:
                my_def.append(nodes.paragraph(text='Undocumented'))
            if 'choices' in arg:
                my_def.append(nodes.paragraph(
                    text=('Possible choices: %s' % ', '.join([str(c) for c in arg['choices']]))))
            items.append(
                nodes.option_list_item(
                    '', nodes.option_group('', nodes.option_string(text=name)),
                    nodes.description('', *my_def)))
    return nodes.option_list('', *items) if items else None

def print_opt_list(data, nested_content):
    definitions = map_nested_definitions(nested_content)
    items = []
    if 'options' in data:
        for opt in data['options']:
            names = []
            my_def = [nodes.paragraph(text=opt['help'])] if opt['help'] else []
            for name in opt['name']:
                option_declaration = [nodes.option_string(text=name)]
                if opt['default'] is not None \
                        and opt['default'] != '==SUPPRESS==':
                    option_declaration += nodes.option_argument(
                        '', text='=' + str(opt['default']))
                names.append(nodes.option('', *option_declaration))
                my_def = apply_definition(definitions, my_def, name)
            if len(my_def) == 0:
                my_def.append(nodes.paragraph(text='Undocumented'))
            if 'choices' in opt:
                my_def.append(nodes.paragraph(
                    text=('Possible choices: %s' % ', '.join([str(c) for c in opt['choices']]))))
            items.append(
                nodes.option_list_item(
                    '', nodes.option_group('', *names),
                    nodes.description('', *my_def)))
    return nodes.option_list('', *items) if items else None

def _format_positional_arguments(self, parser_info):
        assert 'args' in parser_info
        items = []
        for arg in parser_info['args']:
            arg_items = []
            if arg['help']:
                arg_items.append(nodes.paragraph(text=arg['help']))
            else:
                arg_items.append(nodes.paragraph(text='Undocumented'))
            if 'choices' in arg:
                arg_items.append(
                    nodes.paragraph(
                        text='Possible choices: ' + ', '.join(arg['choices'])))
            items.append(
                nodes.option_list_item(
                    '',
                    nodes.option_group(
                        '', nodes.option(
                            '', nodes.option_string(text=arg['metavar'])
                        )
                    ),
                    nodes.description('', *arg_items)))
        return nodes.option_list('', *items)

def parse_option_marker(self, match):
        """
        Return a list of `node.option` and `node.option_argument` objects,
        parsed from an option marker match.

        :Exception: `MarkupError` for invalid option markers.
        """
        optlist = []
        optionstrings = match.group().rstrip().split(', ')
        for optionstring in optionstrings:
            tokens = optionstring.split()
            delimiter = ' '
            firstopt = tokens[0].split('=', 1)
            if len(firstopt) > 1:
                # "--opt=value" form
                tokens[:1] = firstopt
                delimiter = '='
            elif (len(tokens[0]) > 2
                  and ((tokens[0].startswith('-')
                        and not tokens[0].startswith('--'))
                       or tokens[0].startswith('+'))):
                # "-ovalue" form
                tokens[:1] = [tokens[0][:2], tokens[0][2:]]
                delimiter = ''
            if len(tokens) > 1 and (tokens[1].startswith('<')
                                    and tokens[-1].endswith('>')):
                # "-o <value1 value2>" form; join all values into one token
                tokens[1:] = [' '.join(tokens[1:])]
            if 0 < len(tokens) <= 2:
                option = nodes.option(optionstring)
                option += nodes.option_string(tokens[0], tokens[0])
                if len(tokens) > 1:
                    option += nodes.option_argument(tokens[1], tokens[1],
                                                    delimiter=delimiter)
                optlist.append(option)
            else:
                raise MarkupError(
                    'wrong number of option tokens (=%s), should be 1 or 2: '
                    '"%s"' % (len(tokens), optionstring))
        return optlist

def parse_option_marker(self, match):
        """
        Return a list of `node.option` and `node.option_argument` objects,
        parsed from an option marker match.

        :Exception: `MarkupError` for invalid option markers.
        """
        optlist = []
        optionstrings = match.group().rstrip().split(', ')
        for optionstring in optionstrings:
            tokens = optionstring.split()
            delimiter = ' '
            firstopt = tokens[0].split('=', 1)
            if len(firstopt) > 1:
                # "--opt=value" form
                tokens[:1] = firstopt
                delimiter = '='
            elif (len(tokens[0]) > 2
                  and ((tokens[0].startswith('-')
                        and not tokens[0].startswith('--'))
                       or tokens[0].startswith('+'))):
                # "-ovalue" form
                tokens[:1] = [tokens[0][:2], tokens[0][2:]]
                delimiter = ''
            if len(tokens) > 1 and (tokens[1].startswith('<')
                                    and tokens[-1].endswith('>')):
                # "-o <value1 value2>" form; join all values into one token
                tokens[1:] = [' '.join(tokens[1:])]
            if 0 < len(tokens) <= 2:
                option = nodes.option(optionstring)
                option += nodes.option_string(tokens[0], tokens[0])
                if len(tokens) > 1:
                    option += nodes.option_argument(tokens[1], tokens[1],
                                                    delimiter=delimiter)
                optlist.append(option)
            else:
                raise MarkupError(
                    'wrong number of option tokens (=%s), should be 1 or 2: '
                    '"%s"' % (len(tokens), optionstring))
        return optlist

def parse_option_marker(self, match):
        """
        Return a list of `node.option` and `node.option_argument` objects,
        parsed from an option marker match.

        :Exception: `MarkupError` for invalid option markers.
        """
        optlist = []
        optionstrings = match.group().rstrip().split(', ')
        for optionstring in optionstrings:
            tokens = optionstring.split()
            delimiter = ' '
            firstopt = tokens[0].split('=', 1)
            if len(firstopt) > 1:
                # "--opt=value" form
                tokens[:1] = firstopt
                delimiter = '='
            elif (len(tokens[0]) > 2
                  and ((tokens[0].startswith('-')
                        and not tokens[0].startswith('--'))
                       or tokens[0].startswith('+'))):
                # "-ovalue" form
                tokens[:1] = [tokens[0][:2], tokens[0][2:]]
                delimiter = ''
            if len(tokens) > 1 and (tokens[1].startswith('<')
                                    and tokens[-1].endswith('>')):
                # "-o <value1 value2>" form; join all values into one token
                tokens[1:] = [' '.join(tokens[1:])]
            if 0 < len(tokens) <= 2:
                option = nodes.option(optionstring)
                option += nodes.option_string(tokens[0], tokens[0])
                if len(tokens) > 1:
                    option += nodes.option_argument(tokens[1], tokens[1],
                                                    delimiter=delimiter)
                optlist.append(option)
            else:
                raise MarkupError(
                    'wrong number of option tokens (=%s), should be 1 or 2: '
                    '"%s"' % (len(tokens), optionstring))
        return optlist

def _format_optional_arguments(self, parser_info):
        assert 'options' in parser_info
        items = []
        for opt in parser_info['options']:
            names = []
            opt_items = []
            for name in opt['name']:
                option_declaration = [nodes.option_string(text=name)]
                if opt['default'] is not None \
                        and opt['default'] != '==SUPPRESS==':
                    option_declaration += nodes.option_argument(
                        '', text='=' + str(opt['default']))
                names.append(nodes.option('', *option_declaration))
            if opt['help']:
                opt_items.append(nodes.paragraph(text=opt['help']))
            else:
                opt_items.append(nodes.paragraph(text='Undocumented'))
            if 'choices' in opt:
                opt_items.append(
                    nodes.paragraph(
                        text='Possible choices: ' + ', '.join(opt['choices'])))
            items.append(
                nodes.option_list_item(
                    '', nodes.option_group('', *names),
                    nodes.description('', *opt_items)))
        return nodes.option_list('', *items)

def parse_option_marker(self, match):
        """
        Return a list of `node.option` and `node.option_argument` objects,
        parsed from an option marker match.

        :Exception: `MarkupError` for invalid option markers.
        """
        optlist = []
        optionstrings = match.group().rstrip().split(', ')
        for optionstring in optionstrings:
            tokens = optionstring.split()
            delimiter = ' '
            firstopt = tokens[0].split('=', 1)
            if len(firstopt) > 1:
                # "--opt=value" form
                tokens[:1] = firstopt
                delimiter = '='
            elif (len(tokens[0]) > 2
                  and ((tokens[0].startswith('-')
                        and not tokens[0].startswith('--'))
                       or tokens[0].startswith('+'))):
                # "-ovalue" form
                tokens[:1] = [tokens[0][:2], tokens[0][2:]]
                delimiter = ''
            if len(tokens) > 1 and (tokens[1].startswith('<')
                                    and tokens[-1].endswith('>')):
                # "-o <value1 value2>" form; join all values into one token
                tokens[1:] = [' '.join(tokens[1:])]
            if 0 < len(tokens) <= 2:
                option = nodes.option(optionstring)
                option += nodes.option_string(tokens[0], tokens[0])
                if len(tokens) > 1:
                    option += nodes.option_argument(tokens[1], tokens[1],
                                                    delimiter=delimiter)
                optlist.append(option)
            else:
                raise MarkupError(
                    'wrong number of option tokens (=%s), should be 1 or 2: '
                    '"%s"' % (len(tokens), optionstring))
        return optlist

def parse_option_marker(self, match):
        """
        Return a list of `node.option` and `node.option_argument` objects,
        parsed from an option marker match.

        :Exception: `MarkupError` for invalid option markers.
        """
        optlist = []
        optionstrings = match.group().rstrip().split(', ')
        for optionstring in optionstrings:
            tokens = optionstring.split()
            delimiter = ' '
            firstopt = tokens[0].split('=', 1)
            if len(firstopt) > 1:
                # "--opt=value" form
                tokens[:1] = firstopt
                delimiter = '='
            elif (len(tokens[0]) > 2
                  and ((tokens[0].startswith('-')
                        and not tokens[0].startswith('--'))
                       or tokens[0].startswith('+'))):
                # "-ovalue" form
                tokens[:1] = [tokens[0][:2], tokens[0][2:]]
                delimiter = ''
            if len(tokens) > 1 and (tokens[1].startswith('<')
                                    and tokens[-1].endswith('>')):
                # "-o <value1 value2>" form; join all values into one token
                tokens[1:] = [' '.join(tokens[1:])]
            if 0 < len(tokens) <= 2:
                option = nodes.option(optionstring)
                option += nodes.option_string(tokens[0], tokens[0])
                if len(tokens) > 1:
                    option += nodes.option_argument(tokens[1], tokens[1],
                                                    delimiter=delimiter)
                optlist.append(option)
            else:
                raise MarkupError(
                    'wrong number of option tokens (=%s), should be 1 or 2: '
                    '"%s"' % (len(tokens), optionstring))
        return optlist

def parse_option_marker(self, match):
        """
        Return a list of `node.option` and `node.option_argument` objects,
        parsed from an option marker match.

        :Exception: `MarkupError` for invalid option markers.
        """
        optlist = []
        optionstrings = match.group().rstrip().split(', ')
        for optionstring in optionstrings:
            tokens = optionstring.split()
            delimiter = ' '
            firstopt = tokens[0].split('=', 1)
            if len(firstopt) > 1:
                # "--opt=value" form
                tokens[:1] = firstopt
                delimiter = '='
            elif (len(tokens[0]) > 2
                  and ((tokens[0].startswith('-')
                        and not tokens[0].startswith('--'))
                       or tokens[0].startswith('+'))):
                # "-ovalue" form
                tokens[:1] = [tokens[0][:2], tokens[0][2:]]
                delimiter = ''
            if len(tokens) > 1 and (tokens[1].startswith('<')
                                    and tokens[-1].endswith('>')):
                # "-o <value1 value2>" form; join all values into one token
                tokens[1:] = [' '.join(tokens[1:])]
            if 0 < len(tokens) <= 2:
                option = nodes.option(optionstring)
                option += nodes.option_string(tokens[0], tokens[0])
                if len(tokens) > 1:
                    option += nodes.option_argument(tokens[1], tokens[1],
                                                    delimiter=delimiter)
                optlist.append(option)
            else:
                raise MarkupError(
                    'wrong number of option tokens (=%s), should be 1 or 2: '
                    '"%s"' % (len(tokens), optionstring))
        return optlist

def apply(self):
        smart_quotes = self.document.settings.smart_quotes
        if not smart_quotes:
            return
        try:
            alternative = smart_quotes.startswith('alt')
        except AttributeError:
            alternative = False
        # print repr(alternative)

        document_language = self.document.settings.language_code

        # "Educate" quotes in normal text. Handle each block of text
        # (TextElement node) as a unit to keep context around inline nodes:
        for node in self.document.traverse(nodes.TextElement):
            # skip preformatted text blocks and special elements:
            if isinstance(node, (nodes.FixedTextElement, nodes.Special)):
                continue
            # nested TextElements are not "block-level" elements:
            if isinstance(node.parent, nodes.TextElement):
                continue

            # list of text nodes in the "text block":
            txtnodes = [txtnode for txtnode in node.traverse(nodes.Text)
                        if not isinstance(txtnode.parent,
                                          nodes.option_string)]

            # language: use typographical quotes for language "lang"
            lang = node.get_language_code(document_language)
            # use alternative form if `smart-quotes` setting starts with "alt":
            if alternative:
                if '-x-altquot' in lang:
                    lang = lang.replace('-x-altquot', '')
                else:
                    lang += '-x-altquot'
            # drop subtags missing in quotes:
            for tag in utils.normalize_language_tag(lang):
                if tag in smartquotes.smartchars.quotes:
                    lang = tag
                    break
            else: # language not supported: (keep ASCII quotes)
                if lang not in self.unsupported_languages:
                    self.document.reporter.warning('No smart quotes '
                        'defined for language "%s".'%lang, base_node=node)
                self.unsupported_languages.add(lang)
                lang = ''

            # Iterator educating quotes in plain text:
            # '2': set all, using old school en- and em- dash shortcuts
            teacher = smartquotes.educate_tokens(self.get_tokens(txtnodes),
                                                 attr='2', language=lang)

            for txtnode, newtext in zip(txtnodes, teacher):
                txtnode.parent.replace(txtnode, nodes.Text(newtext))

            self.unsupported_languages = set() # reset

def apply(self):
        smart_quotes = self.document.settings.smart_quotes
        if not smart_quotes:
            return
        try:
            alternative = smart_quotes.startswith('alt')
        except AttributeError:
            alternative = False
        # print repr(alternative)

        document_language = self.document.settings.language_code
        lc_smartquotes = self.document.settings.smartquotes_locales
        if lc_smartquotes:
            smartquotes.smartchars.quotes.update(dict(lc_smartquotes))

        # "Educate" quotes in normal text. Handle each block of text
        # (TextElement node) as a unit to keep context around inline nodes:
        for node in self.document.traverse(nodes.TextElement):
            # skip preformatted text blocks and special elements:
            if isinstance(node, self.nodes_to_skip):
                continue
            # nested TextElements are not "block-level" elements:
            if isinstance(node.parent, nodes.TextElement):
                continue

            # list of text nodes in the "text block":
            txtnodes = [txtnode for txtnode in node.traverse(nodes.Text)
                        if not isinstance(txtnode.parent,
                                          nodes.option_string)]

            # language: use typographical quotes for language "lang"
            lang = node.get_language_code(document_language)
            # use alternative form if `smart-quotes` setting starts with "alt":
            if alternative:
                if '-x-altquot' in lang:
                    lang = lang.replace('-x-altquot', '')
                else:
                    lang += '-x-altquot'
            # drop unsupported subtags:
            for tag in utils.normalize_language_tag(lang):
                if tag in smartquotes.smartchars.quotes:
                    lang = tag
                    break
            else: # language not supported: (keep ASCII quotes)
                if lang not in self.unsupported_languages:
                    self.document.reporter.warning('No smart quotes '
                        'defined for language "%s".'%lang, base_node=node)
                self.unsupported_languages.add(lang)
                lang = ''

            # Iterator educating quotes in plain text:
            # (see "utils/smartquotes.py" for the attribute setting)
            teacher = smartquotes.educate_tokens(self.get_tokens(txtnodes),
                                attr=self.smartquotes_action, language=lang)

            for txtnode, newtext in zip(txtnodes, teacher):
                txtnode.parent.replace(txtnode, nodes.Text(newtext, 
                                       rawsource=txtnode.rawsource))

        self.unsupported_languages = set() # reset

def apply(self):
        smart_quotes = self.document.settings.smart_quotes
        if not smart_quotes:
            return
        try:
            alternative = smart_quotes.startswith('alt')
        except AttributeError:
            alternative = False
        # print repr(alternative)

        document_language = self.document.settings.language_code

        # "Educate" quotes in normal text. Handle each block of text
        # (TextElement node) as a unit to keep context around inline nodes:
        for node in self.document.traverse(nodes.TextElement):
            # skip preformatted text blocks and special elements:
            if isinstance(node, (nodes.FixedTextElement, nodes.Special)):
                continue
            # nested TextElements are not "block-level" elements:
            if isinstance(node.parent, nodes.TextElement):
                continue

            # list of text nodes in the "text block":
            txtnodes = [txtnode for txtnode in node.traverse(nodes.Text)
                        if not isinstance(txtnode.parent,
                                          nodes.option_string)]

            # language: use typographical quotes for language "lang"
            lang = node.get_language_code(document_language)
            # use alternative form if `smart-quotes` setting starts with "alt":
            if alternative:
                if '-x-altquot' in lang:
                    lang = lang.replace('-x-altquot', '')
                else:
                    lang += '-x-altquot'
            # drop subtags missing in quotes:
            for tag in utils.normalize_language_tag(lang):
                if tag in smartquotes.smartchars.quotes:
                    lang = tag
                    break
            else: # language not supported: (keep ASCII quotes)
                if lang not in self.unsupported_languages:
                    self.document.reporter.warning('No smart quotes '
                        'defined for language "%s".'%lang, base_node=node)
                self.unsupported_languages.add(lang)
                lang = ''

            # Iterator educating quotes in plain text:
            # '2': set all, using old school en- and em- dash shortcuts
            teacher = smartquotes.educate_tokens(self.get_tokens(txtnodes),
                                                 attr='2', language=lang)

            for txtnode, newtext in zip(txtnodes, teacher):
                txtnode.parent.replace(txtnode, nodes.Text(newtext))

            self.unsupported_languages = set() # reset

def apply(self):
        smart_quotes = self.document.settings.smart_quotes
        if not smart_quotes:
            return
        try:
            alternative = smart_quotes.startswith('alt')
        except AttributeError:
            alternative = False
        # print repr(alternative)

        document_language = self.document.settings.language_code
        lc_smartquotes = self.document.settings.smartquotes_locales
        if lc_smartquotes:
            smartquotes.smartchars.quotes.update(dict(lc_smartquotes))

        # "Educate" quotes in normal text. Handle each block of text
        # (TextElement node) as a unit to keep context around inline nodes:
        for node in self.document.traverse(nodes.TextElement):
            # skip preformatted text blocks and special elements:
            if isinstance(node, self.nodes_to_skip):
                continue
            # nested TextElements are not "block-level" elements:
            if isinstance(node.parent, nodes.TextElement):
                continue

            # list of text nodes in the "text block":
            txtnodes = [txtnode for txtnode in node.traverse(nodes.Text)
                        if not isinstance(txtnode.parent,
                                          nodes.option_string)]

            # language: use typographical quotes for language "lang"
            lang = node.get_language_code(document_language)
            # use alternative form if `smart-quotes` setting starts with "alt":
            if alternative:
                if '-x-altquot' in lang:
                    lang = lang.replace('-x-altquot', '')
                else:
                    lang += '-x-altquot'
            # drop unsupported subtags:
            for tag in utils.normalize_language_tag(lang):
                if tag in smartquotes.smartchars.quotes:
                    lang = tag
                    break
            else: # language not supported: (keep ASCII quotes)
                if lang not in self.unsupported_languages:
                    self.document.reporter.warning('No smart quotes '
                        'defined for language "%s".'%lang, base_node=node)
                self.unsupported_languages.add(lang)
                lang = ''

            # Iterator educating quotes in plain text:
            # (see "utils/smartquotes.py" for the attribute setting)
            teacher = smartquotes.educate_tokens(self.get_tokens(txtnodes),
                                attr=self.smartquotes_action, language=lang)

            for txtnode, newtext in zip(txtnodes, teacher):
                txtnode.parent.replace(txtnode, nodes.Text(newtext, 
                                       rawsource=txtnode.rawsource))

        self.unsupported_languages = set() # reset

def apply(self):
        smart_quotes = self.document.settings.smart_quotes
        if not smart_quotes:
            return
        try:
            alternative = smart_quotes.startswith('alt')
        except AttributeError:
            alternative = False
        # print repr(alternative)

        document_language = self.document.settings.language_code

        # "Educate" quotes in normal text. Handle each block of text
        # (TextElement node) as a unit to keep context around inline nodes:
        for node in self.document.traverse(nodes.TextElement):
            # skip preformatted text blocks and special elements:
            if isinstance(node, (nodes.FixedTextElement, nodes.Special)):
                continue
            # nested TextElements are not "block-level" elements:
            if isinstance(node.parent, nodes.TextElement):
                continue

            # list of text nodes in the "text block":
            txtnodes = [txtnode for txtnode in node.traverse(nodes.Text)
                        if not isinstance(txtnode.parent,
                                          nodes.option_string)]

            # language: use typographical quotes for language "lang"
            lang = node.get_language_code(document_language)
            # use alternative form if `smart-quotes` setting starts with "alt":
            if alternative:
                if '-x-altquot' in lang:
                    lang = lang.replace('-x-altquot', '')
                else:
                    lang += '-x-altquot'
            # drop subtags missing in quotes:
            for tag in utils.normalize_language_tag(lang):
                if tag in smartquotes.smartchars.quotes:
                    lang = tag
                    break
            else: # language not supported: (keep ASCII quotes)
                if lang not in self.unsupported_languages:
                    self.document.reporter.warning('No smart quotes '
                        'defined for language "%s".'%lang, base_node=node)
                self.unsupported_languages.add(lang)
                lang = ''

            # Iterator educating quotes in plain text:
            # '2': set all, using old school en- and em- dash shortcuts
            teacher = smartquotes.educate_tokens(self.get_tokens(txtnodes),
                                                 attr='2', language=lang)

            for txtnode, newtext in zip(txtnodes, teacher):
                txtnode.parent.replace(txtnode, nodes.Text(newtext))

            self.unsupported_languages = set() # reset

def apply(self):
        smart_quotes = self.document.settings.smart_quotes
        if not smart_quotes:
            return
        try:
            alternative = smart_quotes.startswith('alt')
        except AttributeError:
            alternative = False
        # print repr(alternative)

        document_language = self.document.settings.language_code

        # "Educate" quotes in normal text. Handle each block of text
        # (TextElement node) as a unit to keep context around inline nodes:
        for node in self.document.traverse(nodes.TextElement):
            # skip preformatted text blocks and special elements:
            if isinstance(node, (nodes.FixedTextElement, nodes.Special)):
                continue
            # nested TextElements are not "block-level" elements:
            if isinstance(node.parent, nodes.TextElement):
                continue

            # list of text nodes in the "text block":
            txtnodes = [txtnode for txtnode in node.traverse(nodes.Text)
                        if not isinstance(txtnode.parent,
                                          nodes.option_string)]

            # language: use typographical quotes for language "lang"
            lang = node.get_language_code(document_language)
            # use alternative form if `smart-quotes` setting starts with "alt":
            if alternative:
                if '-x-altquot' in lang:
                    lang = lang.replace('-x-altquot', '')
                else:
                    lang += '-x-altquot'
            # drop subtags missing in quotes:
            for tag in utils.normalize_language_tag(lang):
                if tag in smartquotes.smartchars.quotes:
                    lang = tag
                    break
            else: # language not supported: (keep ASCII quotes)
                if lang not in self.unsupported_languages:
                    self.document.reporter.warning('No smart quotes '
                        'defined for language "%s".'%lang, base_node=node)
                self.unsupported_languages.add(lang)
                lang = ''

            # Iterator educating quotes in plain text:
            # '2': set all, using old school en- and em- dash shortcuts
            teacher = smartquotes.educate_tokens(self.get_tokens(txtnodes),
                                                 attr='2', language=lang)

            for txtnode, newtext in zip(txtnodes, teacher):
                txtnode.parent.replace(txtnode, nodes.Text(newtext))

            self.unsupported_languages = set() # reset