/usr/lib/python3/dist-packages/markupfield/markup.py is in python3-django-markupfield 1.4.3-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | from django.utils.html import escape, linebreaks, urlize
from django.utils.functional import curry
from django.utils.translation import pgettext_lazy as _
from django.conf import settings
# build DEFAULT_MARKUP_TYPES
DEFAULT_MARKUP_TYPES = [
('html', lambda markup: markup,
_('django-markupfield', 'HTML')),
('plain', lambda markup: linebreaks(urlize(escape(markup))),
_('django-markupfield', 'Plain')),
]
try:
import pygments # noqa
PYGMENTS_INSTALLED = True
def _register_pygments_rst_directive():
from docutils import nodes
from docutils.parsers.rst import directives
from pygments import highlight
from pygments.lexers import get_lexer_by_name, TextLexer
from pygments.formatters import HtmlFormatter
DEFAULT = HtmlFormatter()
VARIANTS = {
'linenos': HtmlFormatter(linenos=True),
}
def pygments_directive(name, arguments, options, content, lineno,
content_offset, block_text, state,
state_machine):
try:
lexer = get_lexer_by_name(arguments[0])
except ValueError:
# no lexer found - use the text one instead of an exception
lexer = TextLexer()
formatter = options and VARIANTS[options.keys()[0]] or DEFAULT
parsed = highlight(u'\n'.join(content), lexer, formatter)
return [nodes.raw('', parsed, format='html')]
pygments_directive.arguments = (1, 0, 1)
pygments_directive.content = 1
directives.register_directive('code', pygments_directive)
except ImportError:
PYGMENTS_INSTALLED = False
try:
import markdown
md_filter = markdown.markdown
# try and replace if pygments & codehilite are available
if PYGMENTS_INSTALLED:
try:
from markdown.extensions.codehilite import makeExtension # noqa
md_filter = curry(markdown.markdown,
extensions=[makeExtension(css_class='highlight')])
except ImportError:
pass
# whichever markdown_filter was available
DEFAULT_MARKUP_TYPES.append(('markdown', md_filter,
_('django-markupfield', 'Markdown')))
except ImportError:
pass
try:
from docutils.core import publish_parts
if PYGMENTS_INSTALLED:
_register_pygments_rst_directive()
def render_rest(markup):
overrides = getattr(settings, "RESTRUCTUREDTEXT_FILTER_SETTINGS", {})
overrides.update({
'raw_enabled': False,
'file_insertion_enabled': False,
})
parts = publish_parts(source=markup, writer_name="html4css1",
settings_overrides=overrides)
return parts["fragment"]
DEFAULT_MARKUP_TYPES.append(('restructuredtext', render_rest,
_('django-markupfield', 'Restructured Text')))
except ImportError:
pass
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