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