# -*- coding: utf-8 -*-
"""
Defines a sphinx extension to output the documentation in :epkg:`RST`.
It is inspired from `restbuilder
<https://bitbucket.org/birkenfeld/sphinx-contrib/src/6f417e74a22dadb9e0370696f219e63f1b196344/restbuilder/?at=default>`_.
I replicate its license here:
::
Copyright (c) 2012-2013 by Freek Dijkstra <software@macfreek.nl>.
Some rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
:githublink:`%|py|37`
"""
import os
import textwrap
from os import path
from sphinx.util import logging
from docutils.io import StringOutput
from sphinx.builders import Builder
from sphinx.util.osutil import ensuredir
from docutils import nodes, writers
from sphinx import addnodes
from sphinx.locale import admonitionlabels, _
try:
from sphinx.domains.changeset import versionlabels
except ImportError: # pragma: no cover
from sphinx.locale import versionlabels
from sphinx.writers.text import TextTranslator, MAXWIDTH, STDINDENT
from .sphinx_bigger_extension import visit_bigger_node_rst, depart_bigger_node_rst
from .sphinx_gitlog_extension import visit_gitlog_node_rst, depart_gitlog_node_rst
from .sphinx_collapse_extension import visit_collapse_node_rst, depart_collapse_node_rst
from .sphinx_gdot_extension import visit_gdot_node_rst, depart_gdot_node_rst
from .sphinx_quote_extension import visit_quote_node_rst, depart_quote_node_rst
from .sphinx_sharenet_extension import visit_sharenet_node_rst, depart_sharenet_node_rst
from .sphinx_downloadlink_extension import visit_downloadlink_node_rst, depart_downloadlink_node_rst
from ._sphinx_common_builder import CommonSphinxWriterHelpers
[docs]class RstTranslator(TextTranslator, CommonSphinxWriterHelpers):
"""
Defines a :epkg:`RST` translator.
:githublink:`%|py|65`
"""
sectionchars = '*=-~"+`'
[docs] def __init__(self, builder, document):
if not hasattr(builder, "config"):
raise TypeError("Builder has no config: {}".format(type(builder)))
TextTranslator.__init__(self, document, builder)
newlines = builder.config.text_newlines
if newlines == 'windows':
self.nl = '\r\n'
elif newlines == 'native':
self.nl = os.linesep
else:
self.nl = '\n'
self.sectionchars = builder.config.text_sectionchars
self.states = [[]]
self.stateindent = [0]
self.list_counter = []
self.sectionlevel = 0
self._table = None
if self.builder.config.rst_indent:
self.indent = self.builder.config.rst_indent
else:
self.indent = STDINDENT
self.wrapper = textwrap.TextWrapper(
width=STDINDENT, break_long_words=False, break_on_hyphens=False)
def log_unknown(self, type, node):
logger = logging.getLogger("RstBuilder")
logger.warning("[rst] %s(%s) unsupported formatting" % (type, node))
def wrap(self, text, width=STDINDENT):
self.wrapper.width = width
return self.wrapper.wrap(text)
def add_text(self, text, indent=-1):
self.states[-1].append((indent, text))
def new_state(self, indent=STDINDENT):
self.states.append([])
self.stateindent.append(indent)
def end_state(self, wrap=True, end=[''], first=None):
content = self.states.pop()
maxindent = sum(self.stateindent)
indent = self.stateindent.pop()
result = []
toformat = []
def do_format():
if not toformat:
return
if wrap:
res = self.wrap(''.join(toformat), width=MAXWIDTH - maxindent)
else:
res = ''.join(toformat).splitlines()
if end:
res += end
result.append((indent, res))
for itemindent, item in content:
if itemindent == -1:
toformat.append(item)
else:
do_format()
result.append((indent + itemindent, item))
toformat = []
do_format()
if first is not None and result:
itemindent, item = result[0]
if item:
result.insert(0, (itemindent - indent, [first + item[0]]))
result[1] = (itemindent, item[1:])
self.states[-1].extend(result)
def visit_document(self, node):
self.new_state(0)
def depart_document(self, node):
self.end_state()
self.body = self.nl.join(line and (' ' * indent + line)
for indent, lines in self.states[0]
for line in lines)
def visit_highlightlang(self, node):
raise nodes.SkipNode
def visit_section(self, node):
self._title_char = self.sectionchars[self.sectionlevel]
self.sectionlevel += 1
def depart_section(self, node):
self.sectionlevel -= 1
def visit_topic(self, node):
self.new_state(0)
def depart_topic(self, node):
self.end_state()
visit_sidebar = visit_topic
depart_sidebar = depart_topic
def visit_rubric(self, node):
self.new_state(0)
self.add_text('-[ ')
def depart_rubric(self, node):
self.add_text(' ]-')
self.end_state()
def visit_compound(self, node):
# self.log_unknown("compount", node)
pass
def depart_compound(self, node):
pass
def visit_glossary(self, node):
# self.log_unknown("glossary", node)
pass
def depart_glossary(self, node):
pass
def visit_title(self, node):
if isinstance(node.parent, nodes.Admonition):
self.add_text(node.astext() + ': ')
raise nodes.SkipNode
self.new_state(0)
def depart_title(self, node):
if isinstance(node.parent, nodes.section):
char = self._title_char
else:
char = '^'
text = ''.join(x[1] for x in self.states.pop() if x[0] == -1)
self.stateindent.pop()
self.states[-1].append((0, ['', text, '%s' % (char * len(text)), '']))
def visit_subtitle(self, node):
# self.log_unknown("subtitle", node)
pass
def depart_subtitle(self, node):
pass
def visit_attribution(self, node):
self.add_text('-- ')
def depart_attribution(self, node):
pass
def visit_desc(self, node):
self.new_state(0)
def depart_desc(self, node):
self.end_state()
def visit_desc_signature(self, node):
if node.parent['objtype'] in ('class', 'exception', 'method', 'function'):
self.add_text('**')
else:
self.add_text('``')
def depart_desc_signature(self, node):
if node.parent['objtype'] in ('class', 'exception', 'method', 'function'):
self.add_text('**')
else:
self.add_text('``')
def visit_desc_name(self, node):
# self.log_unknown("desc_name", node)
pass
def depart_desc_name(self, node):
pass
def visit_desc_addname(self, node):
# self.log_unknown("desc_addname", node)
pass
def depart_desc_addname(self, node):
pass
def visit_desc_type(self, node):
# self.log_unknown("desc_type", node)
pass
def depart_desc_type(self, node):
pass
def visit_desc_returns(self, node):
self.add_text(' -> ')
def depart_desc_returns(self, node):
pass
def visit_desc_parameterlist(self, node):
self.add_text('(')
self.first_param = 1
def depart_desc_parameterlist(self, node):
self.add_text(')')
def visit_desc_parameter(self, node):
if not self.first_param:
self.add_text(', ')
else:
self.first_param = 0
self.add_text(node.astext())
raise nodes.SkipNode
def visit_desc_optional(self, node):
self.add_text('[')
def depart_desc_optional(self, node):
self.add_text(']')
def visit_desc_annotation(self, node):
content = node.astext()
if len(content) > MAXWIDTH: # pragma: no cover
h = int(MAXWIDTH / 3)
content = content[:h] + " ... " + content[-h:]
self.add_text(content)
raise nodes.SkipNode
def depart_desc_annotation(self, node):
pass
def visit_refcount(self, node):
pass
def depart_refcount(self, node):
pass
def visit_desc_content(self, node):
self.new_state(self.indent)
def depart_desc_content(self, node):
self.end_state()
def visit_figure(self, node):
self.new_state(self.indent)
def depart_figure(self, node):
self.end_state()
def visit_caption(self, node):
# self.log_unknown("caption", node)
pass
def depart_caption(self, node):
pass
def visit_productionlist(self, node):
self.new_state(self.indent)
names = []
for production in node:
names.append(production['tokenname'])
maxlen = max(len(name) for name in names)
for production in node:
if production['tokenname']:
self.add_text(production['tokenname'].ljust(maxlen) + ' ::=')
lastname = production['tokenname']
else:
self.add_text('%s ' % (' ' * len(lastname)))
self.add_text(production.astext() + self.nl)
self.end_state(wrap=False)
raise nodes.SkipNode
def visit_seealso(self, node):
self.new_state(self.indent)
def depart_seealso(self, node):
self.end_state(first='')
def visit_footnote(self, node):
self._footnote = node.children[0].astext().strip()
self.new_state(len(self._footnote) + self.indent)
def depart_footnote(self, node):
self.end_state(first='[%s] ' % self._footnote)
def visit_citation(self, node):
if len(node) and isinstance(node[0], nodes.label):
self._citlabel = node[0].astext()
else:
self._citlabel = ''
self.new_state(len(self._citlabel) + self.indent)
def depart_citation(self, node):
self.end_state(first='[%s] ' % self._citlabel)
def visit_label(self, node):
raise nodes.SkipNode
def visit_option_list(self, node):
# self.log_unknown("option_list", node)
pass
def depart_option_list(self, node):
pass
def visit_option_list_item(self, node):
self.new_state(0)
def depart_option_list_item(self, node):
self.end_state()
def visit_option_group(self, node):
self._firstoption = True
def depart_option_group(self, node):
self.add_text(' ')
def visit_option(self, node):
if self._firstoption:
self._firstoption = False
else:
self.add_text(', ')
def depart_option(self, node):
pass
def visit_option_string(self, node):
# self.log_unknown("option_string", node)
pass
def depart_option_string(self, node):
pass
def visit_option_argument(self, node):
self.add_text(node['delimiter'])
def depart_option_argument(self, node):
pass
def visit_description(self, node):
# self.log_unknown("description", node)
pass
def depart_description(self, node):
pass
def visit_tabular_col_spec(self, node):
raise nodes.SkipNode
def visit_colspec(self, node):
self._table[0].append(node['colwidth'])
raise nodes.SkipNode
def visit_tgroup(self, node):
# self.log_unknown("tgroup", node)
pass
def depart_tgroup(self, node):
pass
def visit_thead(self, node):
# self.log_unknown("thead", node)
pass
def depart_thead(self, node):
pass
def visit_tbody(self, node):
self._table.append('sep')
def depart_tbody(self, node):
pass
def visit_row(self, node):
self._table.append([])
def depart_row(self, node):
pass
def visit_entry(self, node):
if hasattr(node, 'morerows') or hasattr(node, 'morecols'):
raise NotImplementedError('Column or row spanning cells are '
'not implemented.')
self.new_state(0)
def depart_entry(self, node):
text = self.nl.join(self.nl.join(x[1]) for x in self.states.pop())
self.stateindent.pop()
self._table[-1].append(text)
def visit_table(self, node):
if self._table:
raise NotImplementedError('Nested tables are not supported.')
self.new_state(0)
self._table = [[]]
def depart_table(self, node):
lines = self._table[1:]
fmted_rows = []
colwidths = self._table[0]
realwidths = list(map(lambda x: x if isinstance(x, int) else 1,
colwidths[:]))
separator = 0
# don't allow paragraphs in table cells for now
for line in lines:
if line == 'sep':
separator = len(fmted_rows)
else:
cells = []
for i, cell in enumerate(line):
try:
par = self.wrap(cell, width=int(colwidths[i]))
except (IndexError, ValueError):
par = self.wrap(cell)
if par:
maxwidth = max(map(len, par))
else:
maxwidth = 0
if i >= len(realwidths):
realwidths.append(maxwidth)
elif isinstance(realwidths[i], str):
realwidths[i] = maxwidth
else:
realwidths[i] = max(realwidths[i], maxwidth)
cells.append(par)
fmted_rows.append(cells)
self._table = None
def writesep(char='-'):
out = ['+']
for width in realwidths:
out.append(char * (width + 2))
out.append('+')
self.add_text(''.join(out) + self.nl)
def writerow(row):
lines = zip(*row)
for line in lines:
out = ['|']
for i, cell in enumerate(line):
if cell:
out.append(' ' + cell.ljust(realwidths[i] + 1))
else:
out.append(' ' * (realwidths[i] + 2))
out.append('|')
self.add_text(''.join(out) + self.nl)
for i, row in enumerate(fmted_rows):
if separator and i == separator:
writesep('=')
else:
writesep('-')
writerow(row)
writesep('-')
self._table = None
self.end_state(wrap=False)
def visit_acks(self, node):
self.new_state(0)
self.add_text(', '.join(n.astext()
for n in node.children[0].children) + '.')
self.end_state()
raise nodes.SkipNode
def visit_simpleimage(self, node):
self.visit_image(node)
def depart_simpleimage(self, node):
self.depart_image(node)
def visit_image(self, node):
self.new_state(0)
atts = self.base_visit_image(node, self.builder.rst_image_dest)
self.add_text('.. image:: {0}'.format(atts['src']))
for att_name in 'width', 'height', 'alt', 'download':
if att_name in node.attributes and node.get(att_name) != 'auto':
self.new_state(4)
self.add_text(":{0}: {1}".format(att_name, node[att_name]))
self.end_state(wrap=False, end=None)
def depart_image(self, node):
self.end_state(wrap=False, end=None)
def visit_transition(self, node):
indent = sum(self.stateindent)
self.new_state(0)
self.add_text('=' * (MAXWIDTH - indent))
self.end_state()
raise nodes.SkipNode
def visit_bullet_list(self, node):
self.list_counter.append(-1)
def depart_bullet_list(self, node):
self.list_counter.pop()
def visit_enumerated_list(self, node):
self.list_counter.append(0)
def depart_enumerated_list(self, node):
self.list_counter.pop()
def visit_definition_list(self, node):
self.list_counter.append(-2)
def depart_definition_list(self, node):
self.list_counter.pop()
def visit_list_item(self, node):
if self.list_counter[-1] == -1:
# bullet list
self.new_state(self.indent)
elif self.list_counter[-1] == -2:
# definition list
pass
else:
# enumerated list
self.list_counter[-1] += 1
self.new_state(len(str(self.list_counter[-1])) + self.indent)
def depart_list_item(self, node):
if self.list_counter[-1] == -1:
self.end_state(first='* ', end=None)
elif self.list_counter[-1] == -2:
pass
else:
self.end_state(first='%s. ' % self.list_counter[-1], end=None)
def visit_definition_list_item(self, node):
self._li_has_classifier = len(node) >= 2 and \
isinstance(node[1], nodes.classifier)
def depart_definition_list_item(self, node):
pass
def visit_term(self, node):
self.new_state(0)
def depart_term(self, node):
if not self._li_has_classifier:
self.end_state(end=None)
def visit_termsep(self, node):
self.add_text(', ')
raise nodes.SkipNode
def visit_classifier(self, node):
self.add_text(' : ')
def depart_classifier(self, node):
self.end_state(end=None)
def visit_definition(self, node):
self.new_state(self.indent)
def depart_definition(self, node):
self.end_state()
def visit_field_list(self, node):
# self.log_unknown("field_list", node)
pass
def depart_field_list(self, node):
pass
def visit_field(self, node):
self.new_state(0)
def depart_field(self, node):
self.end_state(end=None)
def visit_field_name(self, node):
self.add_text(':')
def depart_field_name(self, node):
self.add_text(':')
content = node.astext()
self.add_text((16 - len(content)) * ' ')
def visit_field_body(self, node):
self.new_state(self.indent)
def depart_field_body(self, node):
self.end_state()
def visit_centered(self, node):
pass
def depart_centered(self, node):
pass
def visit_hlist(self, node):
# self.log_unknown("hlist", node)
pass
def depart_hlist(self, node):
pass
def visit_hlistcol(self, node):
# self.log_unknown("hlistcol", node)
pass
def depart_hlistcol(self, node):
pass
def visit_admonition(self, node):
self.new_state(0)
def depart_admonition(self, node):
self.end_state()
[docs] def _visit_admonition(self, node):
self.new_state(self.indent)
[docs] def _make_depart_admonition(name):
def depart_admonition(self, node):
self.end_state(first=admonitionlabels[name] + ': ')
return depart_admonition
visit_attention = _visit_admonition
depart_attention = _make_depart_admonition('attention')
visit_caution = _visit_admonition
depart_caution = _make_depart_admonition('caution')
visit_danger = _visit_admonition
depart_danger = _make_depart_admonition('danger')
visit_error = _visit_admonition
depart_error = _make_depart_admonition('error')
visit_hint = _visit_admonition
depart_hint = _make_depart_admonition('hint')
visit_important = _visit_admonition
depart_important = _make_depart_admonition('important')
visit_note = _visit_admonition
depart_note = _make_depart_admonition('note')
visit_tip = _visit_admonition
depart_tip = _make_depart_admonition('tip')
visit_warning = _visit_admonition
depart_warning = _make_depart_admonition('warning')
def visit_versionmodified(self, node):
self.new_state(0)
if node.children:
self.add_text(versionlabels[node['type']] % node['version'] + ': ')
else:
self.add_text(versionlabels[node['type']] % node['version'] + '.')
def depart_versionmodified(self, node):
self.end_state()
def visit_literal_block(self, node):
if 'language' in node.attributes:
self.add_text(".. code-block:: {0}".format(node["language"]))
if 'linenos' in node.attributes:
self.new_state(4)
self.add_text(":linenos:")
self.end_state(wrap=False)
else:
self.add_text("::")
self.new_state(self.indent)
def depart_literal_block(self, node):
self.end_state(wrap=False)
def visit_doctest_block(self, node):
self.new_state(0)
def depart_doctest_block(self, node):
self.end_state(wrap=False)
def visit_line_block(self, node):
self.new_state(0)
def depart_line_block(self, node):
self.end_state(wrap=False)
def visit_line(self, node):
# self.log_unknown("line", node)
pass
def depart_line(self, node):
pass
def visit_block_quote(self, node):
self.add_text('..')
self.new_state(self.indent)
def depart_block_quote(self, node):
self.end_state()
def visit_compact_paragraph(self, node):
pass
def depart_compact_paragraph(self, node):
pass
def visit_paragraph(self, node):
if not isinstance(node.parent, nodes.Admonition) or \
isinstance(node.parent, addnodes.seealso):
self.new_state(0)
def depart_paragraph(self, node):
if not isinstance(node.parent, nodes.Admonition) or \
isinstance(node.parent, addnodes.seealso):
self.end_state()
def visit_target(self, node):
if 'refid' in node:
self.new_state(0)
self.add_text('.. _' + node['refid'] + ':' + self.nl)
def depart_target(self, node):
if 'refid' in node:
self.end_state(wrap=False)
def visit_index(self, node):
raise nodes.SkipNode
def visit_substitution_definition(self, node):
raise nodes.SkipNode
def visit_pending_xref(self, node):
if node.get('refexplicit'):
text = ':py:%s:`%s <%s>`' % (
node['reftype'], node.astext(), node['reftarget'])
else:
text = ':py:%s:`%s`' % (node['reftype'], node['reftarget'])
self.add_text(text)
raise nodes.SkipNode
def depart_pending_xref(self, node):
raise NotImplementedError("Error")
[docs] def visit_reference(self, node):
"""
Runs upon entering a reference.
Because this class inherits from the TextTranslator class,
regularly defined links, such as::
`Some Text`_
.. _Some Text: http://www.some_url.com
were being written as plaintext. This included internal
references defined in the standard rst way, such as::
`Some Reference`
.. _Some Reference:
Some Title
----------
To resolve this, if ``refuri`` is not included in the node (an
internal, non-Sphinx-defined internal uri, the reference is
left unchanged.
If ``internal`` is not in the node (as for an external,
non-Sphinx URI, the reference is rewritten as an inline link,
e.g.::
Some Text <http://www.some_url.com>`_
If ``reftitle`` is in the node (as in a Sphinx-generated
reference), the node is converted to an inline link.
Finally, all other links are also converted to an inline link
format.
:githublink:`%|py|834`
"""
def clean_refuri(uri):
ext = os.path.splitext(uri)[-1]
link = uri if ext != '.rst' else uri[:-4]
return link
if 'refuri' not in node:
if 'name' in node.attributes:
self.add_text('`%s`_' % node['name'])
elif 'refid' in node and node['refid']:
self.add_text(':ref:`%s`' % node['refid'])
else:
self.log_unknown(type(node), node)
elif 'internal' not in node and 'name' in node.attributes:
self.add_text('`%s <%s>`_' %
(node['name'], clean_refuri(node['refuri'])))
elif 'internal' not in node and 'names' in node.attributes:
anchor = node['names'][0] if len(
node['names']) > 0 else node['refuri']
self.add_text('`%s <%s>`_' %
(anchor, clean_refuri(node['refuri'])))
elif 'reftitle' in node:
# Include node as text, rather than with markup.
# reST seems unable to parse a construct like ` ``literal`` <url>`_
# Hence it reverts to the more simple `literal <url>`_
name = node['name'] if 'name' in node else node.astext()
self.add_text('`%s <%s>`_' %
(name, clean_refuri(node['refuri'])))
# self.end_state(wrap=False)
else:
name = node['name'] if 'name' in node else node.astext()
self.add_text('`%s <%s>`_' % (name, node['refuri']))
if 'internal' in node:
raise nodes.SkipNode
def depart_reference(self, node):
if 'refuri' not in node:
pass # Don't add these anchors
elif 'internal' not in node:
# Don't add external links (they are automatically added by the reST spec)
pass
elif 'reftitle' in node:
pass
def visit_download_reference(self, node):
self.log_unknown("download_reference", node)
def depart_download_reference(self, node):
pass
def visit_emphasis(self, node):
self.add_text('*')
def depart_emphasis(self, node):
self.add_text('*')
def visit_literal_emphasis(self, node):
self.add_text('*')
def depart_literal_emphasis(self, node):
self.add_text('*')
def visit_strong(self, node):
self.add_text('**')
def depart_strong(self, node):
self.add_text('**')
def visit_abbreviation(self, node):
self.add_text('')
def depart_abbreviation(self, node):
if node.hasattr('explanation'):
self.add_text(' (%s)' % node['explanation'])
def visit_title_reference(self, node):
# self.log_unknown("title_reference", node)
self.add_text('*')
def depart_title_reference(self, node):
self.add_text('*')
def visit_literal(self, node):
self.add_text('``')
def depart_literal(self, node):
self.add_text('``')
def visit_subscript(self, node):
self.add_text('_')
def depart_subscript(self, node):
pass
def visit_superscript(self, node):
self.add_text('^')
def depart_superscript(self, node):
pass
def visit_footnote_reference(self, node):
self.add_text('[%s]' % node.astext())
raise nodes.SkipNode
def visit_citation_reference(self, node):
self.add_text('[%s]' % node.astext())
raise nodes.SkipNode
def visit_Text(self, node):
self.add_text(node.astext())
def depart_Text(self, node):
pass
def visit_generated(self, node):
# self.log_unknown("generated", node)
pass
def depart_generated(self, node):
pass
def visit_inline(self, node):
# self.log_unknown("inline", node)
pass
def depart_inline(self, node):
pass
def visit_problematic(self, node):
self.add_text('>>')
def depart_problematic(self, node):
self.add_text('<<')
def visit_system_message(self, node):
self.new_state(0)
self.add_text('<SYSTEM MESSAGE: %s>' % node.astext())
self.end_state()
raise nodes.SkipNode
def visit_comment(self, node):
raise nodes.SkipNode
def visit_meta(self, node):
# only valid for HTML
raise nodes.SkipNode
def visit_raw(self, node):
if 'text' in node.get('format', '').split():
self.add_text(node.astext())
raise nodes.SkipNode
def visit_bigger_node(self, node):
visit_bigger_node_rst(self, node)
def depart_bigger_node(self, node):
depart_bigger_node_rst(self, node)
def visit_gitlog_node(self, node):
visit_gitlog_node_rst(self, node)
def depart_gitlog_node(self, node):
depart_gitlog_node_rst(self, node)
def visit_collapse_node(self, node):
visit_collapse_node_rst(self, node)
def depart_collapse_node(self, node):
depart_collapse_node_rst(self, node)
def visit_gdot_node(self, node):
visit_gdot_node_rst(self, node)
def depart_gdot_node(self, node):
depart_gdot_node_rst(self, node)
def visit_quote_node(self, node):
visit_quote_node_rst(self, node)
def depart_quote_node(self, node):
depart_quote_node_rst(self, node)
def visit_issue(self, node):
self.add_text(':issue:`')
self.add_text(node['text'])
def depart_issue(self, node):
self.add_text('`')
def eval_expr(self, expr):
md = False
rst = True
html = False
latex = False
if not(rst or html or latex or md):
raise ValueError("One of them should be True") # pragma: no cover
try:
ev = eval(expr)
except Exception as e: # pragma: no cover
raise ValueError(
"Unable to interpret expression '{0}'".format(expr))
return ev
def visit_only(self, node):
ev = self.eval_expr(node.attributes['expr'])
if ev:
pass
else:
raise nodes.SkipNode
def depart_only(self, node):
ev = self.eval_expr(node.attributes['expr'])
if ev:
pass
else:
# The program should not necessarily be here.
pass
def visit_CodeNode(self, node):
self.add_text('.. CodeNode.' + self.nl)
def depart_CodeNode(self, node):
pass
def visit_sharenet_node(self, node):
visit_sharenet_node_rst(self, node)
def depart_sharenet_node(self, node):
depart_sharenet_node_rst(self, node)
def visit_downloadlink_node(self, node):
visit_downloadlink_node_rst(self, node)
def depart_downloadlink_node(self, node):
depart_downloadlink_node_rst(self, node)
def visit_runpythonthis_node(self, node):
# for unit test.
pass
def depart_runpythonthis_node(self, node):
# for unit test.
pass
def visit_inheritance_diagram(self, node):
self.new_state(0)
self.add_text('.. inheritance_diagram:: {0}'.format(node['content']))
def depart_inheritance_diagram(self, node):
self.end_state(wrap=False, end=['\n'])
[docs] def unknown_visit(self, node):
classname = node.__class__.__name__
if classname in {'JupyterKernelNode', 'JupyterCellNode',
'JupyterWidgetViewNode', 'JupyterWidgetStateNode',
'ThebeSourceNode', 'ThebeOutputNode',
'ThebeButtonNode',
}:
# due to jupyter_sphinx
return
raise NotImplementedError(
"Unknown node: '{0}' - '{1}'".format(node.__class__.__name__, node))
[docs] def unknown_departure(self, node):
classname = node.__class__.__name__
if classname in {'JupyterKernelNode', 'JupyterCellNode',
'JupyterWidgetViewNode', 'JupyterWidgetStateNode',
'ThebeSourceNode', 'ThebeOutputNode',
'ThebeButtonNode',
}:
# due to jupyter_sphinx
return
raise NotImplementedError(
"Unknown node: '{0}' - '{1}'".format(node.__class__.__name__, node))
[docs]class RstBuilder(Builder):
"""
Defines a :epkg:`RST` builder.
:githublink:`%|py|1113`
"""
name = 'rst'
format = 'rst'
file_suffix = '.rst'
link_suffix = None # defaults to file_suffix
default_translator_class = RstTranslator
[docs] def __init__(self, *args, **kwargs):
"""
Constructor, add a logger.
:githublink:`%|py|1123`
"""
Builder.__init__(self, *args, **kwargs)
self.logger = logging.getLogger("RstBuilder")
[docs] def init(self):
"""
Load necessary templates and perform initialization.
:githublink:`%|py|1130`
"""
if self.config.rst_file_suffix is not None:
self.file_suffix = self.config.rst_file_suffix
if self.config.rst_link_suffix is not None:
self.link_suffix = self.config.rst_link_suffix
if self.link_suffix is None:
self.link_suffix = self.file_suffix
# Function to convert the docname to a reST file name.
def file_transform(docname):
return docname + self.file_suffix
# Function to convert the docname to a relative URI.
def link_transform(docname):
return docname + self.link_suffix
if self.config.rst_file_transform is not None:
self.file_transform = self.config.rst_file_transform
else:
self.file_transform = file_transform
if self.config.rst_link_transform is not None:
self.link_transform = self.config.rst_link_transform
else:
self.link_transform = link_transform
self.rst_image_dest = self.config.rst_image_dest
[docs] def get_outdated_docs(self):
"""
Return an iterable of input files that are outdated.
This method is taken from ``TextBuilder.get_outdated_docs()``
with minor changes to support ``(confval, rst_file_transform))``.
:githublink:`%|py|1161`
"""
for docname in self.env.found_docs:
if docname not in self.env.all_docs:
yield docname
continue
sourcename = path.join(self.env.srcdir, docname +
self.file_suffix)
targetname = path.join(self.outdir, self.file_transform(docname))
try:
targetmtime = path.getmtime(targetname)
except Exception:
targetmtime = 0
try:
srcmtime = path.getmtime(sourcename)
if srcmtime > targetmtime:
yield docname
except EnvironmentError:
# source doesn't exist anymore
pass
[docs] def get_target_uri(self, docname, typ=None):
return self.link_transform(docname)
[docs] def prepare_writing(self, docnames):
self.writer = RstWriter(self)
[docs] def get_outfilename(self, pagename):
"""
Overwrites *get_target_uri* to control file names.
:githublink:`%|py|1191`
"""
return "{0}/{1}.rst".format(self.outdir, pagename).replace("\\", "/")
[docs] def write_doc(self, docname, doctree):
destination = StringOutput(encoding='utf-8')
self.current_docname = docname
self.writer.write(doctree, destination)
ctx = None
self.handle_page(docname, ctx, event_arg=doctree)
def handle_page(self, pagename, addctx, templatename=None,
outfilename=None, event_arg=None):
if templatename is not None:
raise NotImplementedError("templatename must be None.")
outfilename = self.get_outfilename(pagename)
ensuredir(path.dirname(outfilename))
with open(outfilename, 'w', encoding='utf-8') as f:
f.write(self.writer.output)
[docs]class RstWriter(writers.Writer):
"""
Defines a :epkg:`RST` writer.
:githublink:`%|py|1217`
"""
supported = ('text',)
settings_spec = ('No options here.', '', ())
settings_defaults = {}
translator_class = RstTranslator
output = None
[docs] def __init__(self, builder):
writers.Writer.__init__(self)
self.builder = builder
[docs] def translate(self):
visitor = self.builder.create_translator(self.builder, self.document)
self.document.walkabout(visitor)
self.output = visitor.body
[docs]def setup(app):
"""
Initializes the :epkg:`RST` builder.
:githublink:`%|py|1238`
"""
app.add_builder(RstBuilder)
app.add_config_value('rst_file_suffix', ".rst", 'env')
app.add_config_value('rst_link_suffix', None, 'env')
app.add_config_value('rst_file_transform', None, 'env')
app.add_config_value('rst_link_transform', None, 'env')
app.add_config_value('rst_indent', STDINDENT, 'env')
app.add_config_value('rst_image_dest', None, 'env')
