def test_trans_except(self):
"""trans_except should return trans table mapping non-good chars to x"""
a = trans_except('Aa', '-')
none = trans_except('', '*')
some = trans_except('zxcvbnm,.zxcvbnm,.', 'V')
self.assertEqual('abcABA'.translate(a), 'a--A-A')
self.assertEqual(''.translate(a), '')
self.assertEqual('12345678'.translate(a), '--------')
self.assertEqual(''.translate(none), '')
self.assertEqual('abcdeEFGHI12345&*(!@'.translate(none), '*'*20)
self.assertEqual('qazwsxedcrfv'.translate(some),'VVzVVxVVcVVv')
def test_trans_except(self):
"""trans_except should return trans table mapping non-good chars to x"""
a = trans_except('Aa', '-')
none = trans_except('', '*')
some = trans_except('zxcvbnm,.zxcvbnm,.', 'V')
self.assertEqual('abcABA'.translate(a), 'a--A-A')
self.assertEqual(''.translate(a), '')
self.assertEqual('12345678'.translate(a), '--------')
self.assertEqual(''.translate(none), '')
self.assertEqual('abcdeEFGHI12345&*(!@'.translate(none), '*' * 20)
self.assertEqual('qazwsxedcrfv'.translate(some), 'VVzVVxVVcVVv')
def test_trans_except(self):
"""trans_except should return trans table mapping non-good chars to x"""
a = trans_except("Aa", "-")
none = trans_except("", "*")
some = trans_except("zxcvbnm,.zxcvbnm,.", "V")
self.assertEqual("abcABA".translate(a), "a--A-A")
self.assertEqual("".translate(a), "")
self.assertEqual("12345678".translate(a), "--------")
self.assertEqual("".translate(none), "")
self.assertEqual("abcdeEFGHI12345&*(!@".translate(none), "*" * 20)
self.assertEqual("qazwsxedcrfv".translate(some), "VVzVVxVVcVVv")
def __init__(self, chars, name=None, invert_charset=False, strip_f=strip, default_char=None):
"""Returns new CharFilter object."""
self.Chars = chars
self.Name = name
self.Invert = invert_charset
if invert_charset:
if default_char:
trans_table = trans_all(chars, default_char)
self.Filter = lambda s: s.translate(trans_table)
else:
self.Filter = exclude_chars(chars)
else:
if default_char:
trans_table = trans_except(chars, default_char)
self.Filter = lambda s: s.translate(trans_table)
else:
self.Filter = keep_chars(chars)
self.stripF = strip_f
def __init__(self,
chars,
name=None,
invert_charset=False,
strip_f=strip,
default_char=None):
"""Returns new CharFilter object."""
self.Chars = chars
self.Name = name
self.Invert = invert_charset
if invert_charset:
if default_char:
trans_table = trans_all(chars, default_char)
self.Filter = lambda s: s.translate(trans_table)
else:
self.Filter = exclude_chars(chars)
else:
if default_char:
trans_table = trans_except(chars, default_char)
self.Filter = lambda s: s.translate(trans_table)
else:
self.Filter = keep_chars(chars)
self.stripF = strip_f
