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filters.py
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filters.py
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# From: https://github.com/dsissitka/khan-website/blob/master/templatefilters.py
_base_js_escapes = (
('\\', r'\u005C'),
('\'', r'\u0027'),
('"', r'\u0022'),
('>', r'\u003E'),
('<', r'\u003C'),
('&', r'\u0026'),
('=', r'\u003D'),
('-', r'\u002D'),
(';', r'\u003B'),
(u'\u2028', r'\u2028'),
(u'\u2029', r'\u2029')
)
# Escape every ASCII character with a value less than 32.
_js_escapes = (_base_js_escapes +
tuple([('%c' % z, '\\u%04X' % z) for z in range(32)]))
# escapejs from Django: https://www.djangoproject.com/
def escapejs(value):
"""Hex encodes characters for use in JavaScript strings."""
if not isinstance(value, basestring):
value = str(value)
for bad, good in _js_escapes:
value = value.replace(bad, good)
return value