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Viewing changes to loggerhead/highlight.py

  • Committer: Ian Clatworthy
  • Date: 2010-04-23 00:02:29 UTC
  • mfrom: (407.1.2 loggerhead)
  • Revision ID: ian.clatworthy@canonical.com-20100423000229-ysxj7lzkx6oklt35
https://launchpad.net/bugs/513044
Skip syntax highlighting on files over 512K

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loggerhead/highlight.py
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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#
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import cgi
 
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from pygments import highlight as _highlight_func
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from pygments.lexers import guess_lexer, guess_lexer_for_filename, TextLexer
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from pygments.formatters import HtmlFormatter
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DEFAULT_PYGMENT_STYLE = 'colorful'
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# Trying to highlight very large files using pygments was killing
 
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# loggerhead on launchpad.net, because pygments isn't very fast.
 
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# So we only highlight files if they're 512K or smaller.
 
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MAX_HIGHLIGHT_SIZE = 512000;
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def highlight(path, text, encoding, style=DEFAULT_PYGMENT_STYLE):
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    """
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    Returns a list of highlighted (i.e. HTML formatted) strings.
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    """
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    if len(text) > MAX_HIGHLIGHT_SIZE:
 
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        return map(cgi.escape, text.split('\n'))
 
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    formatter = HtmlFormatter(style=style, nowrap=True, classprefix='pyg-')
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    try: