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@@ -7,8 +7,10 @@ import re
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from docutils import nodes
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from docutils.parsers.rst import Directive, directives
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+from docutils.statemachine import ViewList
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from sphinx import addnodes
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from sphinx.builders.html import StandaloneHTMLBuilder
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+from sphinx.directives import CodeBlock
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from sphinx.domains.std import Cmdoption
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from sphinx.util.console import bold
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from sphinx.util.nodes import set_source_info
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@@ -68,6 +70,16 @@ def setup(app):
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texinfo=(visit_snippet_literal, depart_snippet_literal))
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app.set_translator('djangohtml', DjangoHTMLTranslator)
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app.set_translator('json', DjangoHTMLTranslator)
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+ app.add_node(
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+ ConsoleNode,
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+ html=(visit_console_html, None),
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+ latex=(visit_console_dummy, depart_console_dummy),
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+ man=(visit_console_dummy, depart_console_dummy),
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+ text=(visit_console_dummy, depart_console_dummy),
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+ texinfo=(visit_console_dummy, depart_console_dummy),
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+ )
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+ app.add_directive('console', ConsoleDirective)
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+ app.connect('html-page-context', html_page_context_hook)
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return {'parallel_read_safe': True}
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@@ -327,3 +339,167 @@ class DjangoStandaloneHTMLBuilder(StandaloneHTMLBuilder):
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fp.write('var django_template_builtins = ')
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json.dump(templatebuiltins, fp)
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fp.write(';\n')
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+
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+
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+class ConsoleNode(nodes.literal_block):
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+ """
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+ Custom node to override the visit/depart event handlers at registration
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+ time. Wrap a literal_block object and defer to it.
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+ """
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+ def __init__(self, litblk_obj):
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+ self.wrapped = litblk_obj
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+
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+ def __getattr__(self, attr):
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+ if attr == 'wrapped':
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+ return self.__dict__.wrapped
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+ return getattr(self.wrapped, attr)
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+
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+
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+def visit_console_dummy(self, node):
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+ """Defer to the corresponding parent's handler."""
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+ self.visit_literal_block(node)
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+
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+
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+def depart_console_dummy(self, node):
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+ """Defer to the corresponding parent's handler."""
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+ self.depart_literal_block(node)
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+
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+
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+def visit_console_html(self, node):
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+ """Generate HTML for the console directive."""
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+ if self.builder.name in ('djangohtml', 'json') and node['win_console_text']:
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+ # Put a mark on the document object signaling the fact the directive
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+ # has been used on it.
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+ self.document._console_directive_used_flag = True
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+ uid = node['uid']
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+ self.body.append('''\
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+<div class="console-block" id="console-block-%(id)s">
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+<input class="c-tab-unix" id="c-tab-%(id)s-unix" type="radio" name="console-%(id)s" checked>
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+<label for="c-tab-%(id)s-unix" title="Linux/macOS">/</label>
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+<input class="c-tab-win" id="c-tab-%(id)s-win" type="radio" name="console-%(id)s">
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+<label for="c-tab-%(id)s-win" title="Windows"></label>
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+<section class="c-content-unix" id="c-content-%(id)s-unix">\n''' % {'id': uid})
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+ try:
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+ self.visit_literal_block(node)
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+ except nodes.SkipNode:
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+ pass
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+ self.body.append('</section>\n')
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+
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+ self.body.append('<section class="c-content-win" id="c-content-%(id)s-win">\n' % {'id': uid})
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+ win_text = node['win_console_text']
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+ highlight_args = {'force': True}
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+ if 'linenos' in node:
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+ linenos = node['linenos']
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+ else:
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+ linenos = win_text.count('\n') >= self.highlightlinenothreshold - 1
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+
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+ def warner(msg):
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+ self.builder.warn(msg, (self.builder.current_docname, node.line))
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+
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+ highlighted = self.highlighter.highlight_block(
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+ win_text, 'doscon', warn=warner, linenos=linenos, **highlight_args
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+ )
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+ self.body.append(highlighted)
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+ self.body.append('</section>\n')
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+ self.body.append('</div>\n')
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+ raise nodes.SkipNode
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+ else:
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+ self.visit_literal_block(node)
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+
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+
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+class ConsoleDirective(CodeBlock):
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+ """
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+ A reStructuredText directive which renders a two-tab code block in which
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+ the second tab shows a Windows command line equivalent of the usual
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+ Unix-oriented examples.
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+ """
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+ required_arguments = 0
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+ # The 'doscon' Pygments formatter needs a prompt like this. '>' alone
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+ # won't do it because then it simply paints the whole command line as a
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+ # grey comment with no highlighting at all.
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+ WIN_PROMPT = r'...\> '
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+
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+ def run(self):
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+
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+ def args_to_win(cmdline):
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+ changed = False
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+ out = []
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+ for token in cmdline.split():
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+ if token[:2] == './':
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+ token = token[2:]
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+ changed = True
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+ elif token[:2] == '~/':
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+ token = '%HOMEPATH%\\' + token[2:]
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+ changed = True
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+ if '://' not in token and 'git' not in cmdline:
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+ out.append(token.replace('/', '\\'))
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+ changed = True
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+ else:
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+ out.append(token)
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+ if changed:
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+ return ' '.join(out)
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+ return cmdline
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+
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+ def cmdline_to_win(line):
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+ if line.startswith('# '):
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+ return 'REM ' + args_to_win(line[2:])
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+ if line.startswith('$ # '):
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+ return 'REM ' + args_to_win(line[4:])
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+ if line.startswith('$ ./manage.py'):
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+ return 'manage.py ' + args_to_win(line[13:])
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+ if line.startswith('$ manage.py'):
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+ return 'manage.py ' + args_to_win(line[11:])
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+ if line.startswith('$ ./runtests.py'):
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+ return 'runtests.py ' + args_to_win(line[15:])
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+ if line.startswith('$ ./'):
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+ return args_to_win(line[4:])
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+ if line.startswith('$ python'):
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+ return 'py ' + args_to_win(line[8:])
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+ if line.startswith('$ '):
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+ return args_to_win(line[2:])
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+ return None
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+
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+ def code_block_to_win(content):
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+ bchanged = False
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+ lines = []
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+ for line in content:
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+ modline = cmdline_to_win(line)
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+ if modline is None:
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+ lines.append(line)
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+ else:
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+ lines.append(self.WIN_PROMPT + modline)
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+ bchanged = True
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+ if bchanged:
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+ return ViewList(lines)
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+ return None
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+
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+ env = self.state.document.settings.env
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+ self.arguments = ['console']
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+ lit_blk_obj = super().run()[0]
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+
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+ # Only do work when the djangohtml HTML Sphinx builder is being used,
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+ # invoke the default behavior for the rest.
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+ if env.app.builder.name not in ('djangohtml', 'json'):
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+ return [lit_blk_obj]
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+
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+ lit_blk_obj['uid'] = '%s' % env.new_serialno('console')
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+ # Only add the tabbed UI if there is actually a Windows-specific
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+ # version of the CLI example.
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+ win_content = code_block_to_win(self.content)
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+ if win_content is None:
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+ lit_blk_obj['win_console_text'] = None
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+ else:
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+ self.content = win_content
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+ lit_blk_obj['win_console_text'] = super().run()[0].rawsource
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+
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+ # Replace the literal_node object returned by Sphinx's CodeBlock with
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+ # the ConsoleNode wrapper.
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+ return [ConsoleNode(lit_blk_obj)]
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+
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+
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+def html_page_context_hook(app, pagename, templatename, context, doctree):
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+ # Put a bool on the context used to render the template. It's used to
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+ # control inclusion of console-tabs.css and activation of the JavaScript.
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+ # This way it's include only from HTML files rendered from reST files where
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+ # the ConsoleDirective is used.
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+ context['include_console_assets'] = getattr(doctree, '_console_directive_used_flag', False)
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