>>> s = """
    [code]
    for i in var:
      print(var[i])
    [/code]
    """

from pygments import highlight
from pygments.lexers import PythonLexer
from pygments.formatters import HtmlFormatter

class PygmentsBBCodeTag(BBCodeTag):
    name = 'code'

    class Options:
        strip = False
        replace_links = False
        render_embedded = False
        transform_newlines = False
        escape_html = False

    def render(self, value, option=None, parent=None):
        print(value)
        return highlight(value, PythonLexer(), HtmlFormatter())

tag_pool.register_tag(PygmentsBBCodeTag)

if previous_tag_options.end_tag_closes:
    opening_tags.pop()

if not tag_options.render_embedded:
    opening_tags = []
elif previous_tag_options.end_tag_closes:
    opening_tags.pop()