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#
# Copyright (C) 2010 Wikkid Developers.
#
# This software is licensed under the GNU Affero General Public License
# version 3 (see the file LICENSE).
"""A text to html formatter using pygments."""
import html
from pygments import highlight
from pygments.lexers import guess_lexer_for_filename
from pygments.formatters import HtmlFormatter
from pygments.util import ClassNotFound
from zope.interface import implementer
from wikkid.interface.formatter import ITextFormatter
@implementer(ITextFormatter)
class PygmentsFormatter(object):
"""Format source files as HTML using pygments."""
def format(self, filename, text):
"""Format the text.
We can at a later time try to guess the lexer based on the file
content.
"""
try:
lexer = guess_lexer_for_filename(filename, text)
return highlight(text, lexer, HtmlFormatter())
except ClassNotFound:
return "<pre>{0}</pre>".format(html.escape(text))
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