python类escape_decode()的实例源码

def test_errors(self):
        decode = codecs.escape_decode
        self.assertRaises(ValueError, decode, br"\x")
        self.assertRaises(ValueError, decode, br"[\x]")
        self.assertEqual(decode(br"[\x]\x", "ignore"), (b"[]", 6))
        self.assertEqual(decode(br"[\x]\x", "replace"), (b"[?]?", 6))
        self.assertRaises(ValueError, decode, br"\x0")
        self.assertRaises(ValueError, decode, br"[\x0]")
        self.assertEqual(decode(br"[\x0]\x0", "ignore"), (b"[]", 8))
        self.assertEqual(decode(br"[\x0]\x0", "replace"), (b"[?]?", 8))

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]

def test_empty(self):
        self.assertEqual(codecs.escape_decode(""), ("", 0))

def test_raw(self):
        decode = codecs.escape_decode
        for b in range(256):
            b = chr(b)
            if b != '\\':
                self.assertEqual(decode(b + '0'), (b + '0', 2))

def test_escape(self):
        decode = codecs.escape_decode
        check = coding_checker(self, decode)
        check(b"[\\\n]", b"[]")
        check(br'[\"]', b'["]')
        check(br"[\']", b"[']")
        check(br"[\\]", br"[\]")
        check(br"[\a]", b"[\x07]")
        check(br"[\b]", b"[\x08]")
        check(br"[\t]", b"[\x09]")
        check(br"[\n]", b"[\x0a]")
        check(br"[\v]", b"[\x0b]")
        check(br"[\f]", b"[\x0c]")
        check(br"[\r]", b"[\x0d]")
        check(br"[\7]", b"[\x07]")
        check(br"[\8]", br"[\8]")
        check(br"[\78]", b"[\x078]")
        check(br"[\41]", b"[!]")
        check(br"[\418]", b"[!8]")
        check(br"[\101]", b"[A]")
        check(br"[\1010]", b"[A0]")
        check(br"[\501]", b"[A]")
        check(br"[\x41]", b"[A]")
        check(br"[\X41]", br"[\X41]")
        check(br"[\x410]", b"[A0]")
        for b in range(256):
            b = chr(b)
            if b not in '\n"\'\\abtnvfr01234567x':
                check('\\' + b, '\\' + b)

def test_errors(self):
        decode = codecs.escape_decode
        self.assertRaises(ValueError, decode, br"\x")
        self.assertRaises(ValueError, decode, br"[\x]")
        self.assertEqual(decode(br"[\x]\x", "ignore"), (b"[]", 6))
        self.assertEqual(decode(br"[\x]\x", "replace"), (b"[?]?", 6))
        self.assertRaises(ValueError, decode, br"\x0")
        self.assertRaises(ValueError, decode, br"[\x0]")
        self.assertEqual(decode(br"[\x0]\x0", "ignore"), (b"[]", 8))
        self.assertEqual(decode(br"[\x0]\x0", "replace"), (b"[?]?", 8))

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]

def to_byte(val):
    unicode_type = str if PY3 else unicode
    if isinstance(val, unicode_type):
        try:
            return val.encode(ENCODING)
        except UnicodeEncodeError:
            if PY3:
                return codecs.escape_decode(val)[0]
            else:
                return val.encode("unicode-escape").decode("string-escape")

    return val

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]

def test_empty(self):
        self.assertEqual(codecs.escape_decode(b""), (b"", 0))

def test_raw(self):
        decode = codecs.escape_decode
        for b in range(256):
            b = bytes([b])
            if b != b'\\':
                self.assertEqual(decode(b + b'0'), (b + b'0', 2))

def test_escape(self):
        decode = codecs.escape_decode
        check = coding_checker(self, decode)
        check(b"[\\\n]", b"[]")
        check(br'[\"]', b'["]')
        check(br"[\']", b"[']")
        check(br"[\\]", br"[\]")
        check(br"[\a]", b"[\x07]")
        check(br"[\b]", b"[\x08]")
        check(br"[\t]", b"[\x09]")
        check(br"[\n]", b"[\x0a]")
        check(br"[\v]", b"[\x0b]")
        check(br"[\f]", b"[\x0c]")
        check(br"[\r]", b"[\x0d]")
        check(br"[\7]", b"[\x07]")
        check(br"[\8]", br"[\8]")
        check(br"[\78]", b"[\x078]")
        check(br"[\41]", b"[!]")
        check(br"[\418]", b"[!8]")
        check(br"[\101]", b"[A]")
        check(br"[\1010]", b"[A0]")
        check(br"[\501]", b"[A]")
        check(br"[\x41]", b"[A]")
        check(br"[\X41]", br"[\X41]")
        check(br"[\x410]", b"[A0]")
        for b in range(256):
            if b not in b'\n"\'\\abtnvfr01234567x':
                b = bytes([b])
                check(b'\\' + b, b'\\' + b)

def test_errors(self):
        decode = codecs.escape_decode
        self.assertRaises(ValueError, decode, br"\x")
        self.assertRaises(ValueError, decode, br"[\x]")
        self.assertEqual(decode(br"[\x]\x", "ignore"), (b"[]", 6))
        self.assertEqual(decode(br"[\x]\x", "replace"), (b"[?]?", 6))
        self.assertRaises(ValueError, decode, br"\x0")
        self.assertRaises(ValueError, decode, br"[\x0]")
        self.assertEqual(decode(br"[\x0]\x0", "ignore"), (b"[]", 8))
        self.assertEqual(decode(br"[\x0]\x0", "replace"), (b"[?]?", 8))

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]

def decode(self, input, final=False):
        return codecs.escape_decode(input, self.errors)[0]