42 lines
1000 B
Python
42 lines
1000 B
Python
"""
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Miscellaneous utilities.
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These are mostly used in templates, for presentation purposes.
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"""
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try:
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import pygments
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from pygments import highlight
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from pygments import lexers
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from pygments.formatters import HtmlFormatter
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except ImportError:
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pygments = None
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def shorten(s, width = 60):
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if len(s) < 60:
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return s
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return s[:57] + "..."
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def has_colorizer():
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return pygments is not None
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def colorize_diff(s):
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lexer = lexers.DiffLexer(encoding = 'utf-8')
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formatter = HtmlFormatter(encoding = 'utf-8',
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cssclass = 'source_code')
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return highlight(s, lexer, formatter)
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def colorize_blob(fname, s):
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try:
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lexer = lexers.guess_lexer_for_filename(fname, s)
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except lexers.ClassNotFound:
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lexer = lexers.TextLexer(encoding = 'utf-8')
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formatter = HtmlFormatter(encoding = 'utf-8',
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cssclass = 'source_code',
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linenos = 'table')
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return highlight(s, lexer, formatter)
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