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"""
This plugin adds a :term:`/code` command, to send syntax highlighted snippets
of code using pygments and XHTML-IM (XEP-0071).
Install
-------
Either use your distribution tools to install python3-pygments or equivalent,
or run:
.. code-block:: shell
pip install --user pygments
Usage
-----
.. glossary::
/code <language> <snippet>
Run this command to send the <snippet> of code, syntax highlighted
using pygments’s <language> lexer.
"""
from poezio.plugin import BasePlugin
from pygments import highlight
from pygments.lexers import get_lexer_by_name
from pygments.formatters import HtmlFormatter #pylint: disable=no-name-in-module
FORMATTER = HtmlFormatter(nowrap=True, noclasses=True)
class Plugin(BasePlugin):
def init(self):
self.api.add_command(
'code',
self.command_code,
usage='<language> <code>',
short='Sends syntax-highlighted code',
help='Sends syntax-highlighted code in the current tab')
def command_code(self, args):
split = args.split(None, 1)
if len(split) != 2:
self.api.information('Usage: /code <language> <code>', 'Error')
return None
language, code = split
lexer = get_lexer_by_name(language)
tab = self.api.current_tab()
code = highlight(code, lexer, FORMATTER)
tab.command_xhtml('<pre><code class="language-%s">%s</code></pre>' % (language, code.rstrip('\n')))
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