Python codecs 模块，backslashreplace_errors() 实例源码

我们从Python开源项目中，提取了以下18个代码示例，用于说明如何使用codecs.backslashreplace_errors()。

项目：oil 作者：oilshell | 项目源码 | 文件源码

def test_fake_error_class(self):
        handlers = [
            codecs.strict_errors,
            codecs.ignore_errors,
            codecs.replace_errors,
            codecs.backslashreplace_errors,
            codecs.xmlcharrefreplace_errors,
        ]
        for cls in UnicodeEncodeError, UnicodeDecodeError, UnicodeTranslateError:
            class FakeUnicodeError(str):
                __class__ = cls
            for handler in handlers:
                self.assertRaises(TypeError, handler, FakeUnicodeError())
            class FakeUnicodeError(Exception):
                __class__ = cls
            for handler in handlers:
                with self.assertRaises((TypeError, FakeUnicodeError)):
                    handler(FakeUnicodeError())

项目：python2-tracer 作者：extremecoders-re | 项目源码 | 文件源码

def test_fake_error_class(self):
        handlers = [
            codecs.strict_errors,
            codecs.ignore_errors,
            codecs.replace_errors,
            codecs.backslashreplace_errors,
            codecs.xmlcharrefreplace_errors,
        ]
        for cls in UnicodeEncodeError, UnicodeDecodeError, UnicodeTranslateError:
            class FakeUnicodeError(str):
                __class__ = cls
            for handler in handlers:
                self.assertRaises(TypeError, handler, FakeUnicodeError())
            class FakeUnicodeError(Exception):
                __class__ = cls
            for handler in handlers:
                with self.assertRaises((TypeError, FakeUnicodeError)):
                    handler(FakeUnicodeError())

项目：ouroboros 作者：pybee | 项目源码 | 文件源码

def test_fake_error_class(self):
        handlers = [
            codecs.strict_errors,
            codecs.ignore_errors,
            codecs.replace_errors,
            codecs.backslashreplace_errors,
            codecs.xmlcharrefreplace_errors,
            codecs.lookup_error('surrogateescape'),
            codecs.lookup_error('surrogatepass'),
        ]
        for cls in UnicodeEncodeError, UnicodeDecodeError, UnicodeTranslateError:
            class FakeUnicodeError(str):
                __class__ = cls
            for handler in handlers:
                with self.subTest(handler=handler, error_class=cls):
                    self.assertRaises(TypeError, handler, FakeUnicodeError())
            class FakeUnicodeError(Exception):
                __class__ = cls
            for handler in handlers:
                with self.subTest(handler=handler, error_class=cls):
                    with self.assertRaises((TypeError, FakeUnicodeError)):
                        handler(FakeUnicodeError())

项目：zippy 作者：securesystemslab | 项目源码 | 文件源码

def test_lookup(self):
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(codecs.ignore_errors, codecs.lookup_error("ignore"))
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(
            codecs.xmlcharrefreplace_errors,
            codecs.lookup_error("xmlcharrefreplace")
        )
        self.assertEqual(
            codecs.backslashreplace_errors,
            codecs.lookup_error("backslashreplace")
        )

项目：oil 作者：oilshell | 项目源码 | 文件源码

def test_lookup(self):
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(codecs.ignore_errors, codecs.lookup_error("ignore"))
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(
            codecs.xmlcharrefreplace_errors,
            codecs.lookup_error("xmlcharrefreplace")
        )
        self.assertEqual(
            codecs.backslashreplace_errors,
            codecs.lookup_error("backslashreplace")
        )

项目：python2-tracer 作者：extremecoders-re | 项目源码 | 文件源码

def test_lookup(self):
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(codecs.ignore_errors, codecs.lookup_error("ignore"))
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(
            codecs.xmlcharrefreplace_errors,
            codecs.lookup_error("xmlcharrefreplace")
        )
        self.assertEqual(
            codecs.backslashreplace_errors,
            codecs.lookup_error("backslashreplace")
        )

项目：web_ctp 作者：molebot | 项目源码 | 文件源码

def test_lookup(self):
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(codecs.ignore_errors, codecs.lookup_error("ignore"))
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(
            codecs.xmlcharrefreplace_errors,
            codecs.lookup_error("xmlcharrefreplace")
        )
        self.assertEqual(
            codecs.backslashreplace_errors,
            codecs.lookup_error("backslashreplace")
        )

项目：pefile.pypy 作者：cloudtracer | 项目源码 | 文件源码

def test_lookup(self):
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(codecs.ignore_errors, codecs.lookup_error("ignore"))
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(
            codecs.xmlcharrefreplace_errors,
            codecs.lookup_error("xmlcharrefreplace")
        )
        self.assertEqual(
            codecs.backslashreplace_errors,
            codecs.lookup_error("backslashreplace")
        )

项目：ouroboros 作者：pybee | 项目源码 | 文件源码

def test_lookup(self):
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(codecs.ignore_errors, codecs.lookup_error("ignore"))
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(
            codecs.xmlcharrefreplace_errors,
            codecs.lookup_error("xmlcharrefreplace")
        )
        self.assertEqual(
            codecs.backslashreplace_errors,
            codecs.lookup_error("backslashreplace")
        )

项目：ndk-python 作者：gittor | 项目源码 | 文件源码

def test_lookup(self):
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(codecs.ignore_errors, codecs.lookup_error("ignore"))
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(
            codecs.xmlcharrefreplace_errors,
            codecs.lookup_error("xmlcharrefreplace")
        )
        self.assertEqual(
            codecs.backslashreplace_errors,
            codecs.lookup_error("backslashreplace")
        )

项目：aspen.py 作者：AspenWeb | 项目源码 | 文件源码

def backslashreplace_errors(unicode_error):
    offender = unicode_error.object[unicode_error.start:unicode_error.end]
    if isinstance(offender, bytes):
        r = ''.join(r'\x{0:x}'.format(b if isinstance(b, int) else ord(b))
                    for b in offender)
    else:
        r = offender.encode('ascii', 'old-backslashreplace').decode('ascii')
    return (r, unicode_error.end)

项目：aspen.py 作者：AspenWeb | 项目源码 | 文件源码

def upgrade_backslashreplace():
    if codecs.lookup_error('backslashreplace') is not codecs.backslashreplace_errors:
        return  # don't upgrade if someone else already has
    codecs.register_error('old-backslashreplace', codecs.backslashreplace_errors)
    codecs.register_error('backslashreplace', backslashreplace_errors)

项目：kbe_server 作者：xiaohaoppy | 项目源码 | 文件源码

def test_lookup(self):
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(codecs.ignore_errors, codecs.lookup_error("ignore"))
        self.assertEqual(codecs.strict_errors, codecs.lookup_error("strict"))
        self.assertEqual(
            codecs.xmlcharrefreplace_errors,
            codecs.lookup_error("xmlcharrefreplace")
        )
        self.assertEqual(
            codecs.backslashreplace_errors,
            codecs.lookup_error("backslashreplace")
        )

项目：oil 作者：oilshell | 项目源码 | 文件源码

def test_badandgoodbackslashreplaceexceptions(self):
        # "backslashreplace" complains about a non-exception passed in
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           42
        )
        # "backslashreplace" complains about the wrong exception types
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           UnicodeError("ouch")
        )
        # "backslashreplace" can only be used for encoding
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeDecodeError("ascii", "\xff", 0, 1, "ouch")
        )
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeTranslateError(u"\u3042", 0, 1, "ouch")
        )
        # Use the correct exception
        tests = [
            (u"\u3042", u"\\u3042"),
            (u"\n", u"\\x0a"),
            (u"a", u"\\x61"),
            (u"\x00", u"\\x00"),
            (u"\xff", u"\\xff"),
            (u"\u0100", u"\\u0100"),
            (u"\uffff", u"\\uffff"),
            # Lone surrogates
            (u"\ud800", u"\\ud800"),
            (u"\udfff", u"\\udfff"),
        ]
        if sys.maxunicode > 0xffff:
            tests += [
                (u"\U00010000", u"\\U00010000"),
                (u"\U0010ffff", u"\\U0010ffff"),
            ]
        else:
            tests += [
                (u"\U00010000", u"\\ud800\\udc00"),
                (u"\U0010ffff", u"\\udbff\\udfff"),
            ]
        for s, r in tests:
            self.assertEqual(
                codecs.backslashreplace_errors(
                    UnicodeEncodeError("ascii", u"a" + s + u"b",
                                       1, 1 + len(s), "ouch")),
                (r, 1 + len(s))
            )

项目：python2-tracer 作者：extremecoders-re | 项目源码 | 文件源码

def test_badandgoodbackslashreplaceexceptions(self):
        # "backslashreplace" complains about a non-exception passed in
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           42
        )
        # "backslashreplace" complains about the wrong exception types
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           UnicodeError("ouch")
        )
        # "backslashreplace" can only be used for encoding
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeDecodeError("ascii", "\xff", 0, 1, "ouch")
        )
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeTranslateError(u"\u3042", 0, 1, "ouch")
        )
        # Use the correct exception
        tests = [
            (u"\u3042", u"\\u3042"),
            (u"\n", u"\\x0a"),
            (u"a", u"\\x61"),
            (u"\x00", u"\\x00"),
            (u"\xff", u"\\xff"),
            (u"\u0100", u"\\u0100"),
            (u"\uffff", u"\\uffff"),
            # Lone surrogates
            (u"\ud800", u"\\ud800"),
            (u"\udfff", u"\\udfff"),
        ]
        if sys.maxunicode > 0xffff:
            tests += [
                (u"\U00010000", u"\\U00010000"),
                (u"\U0010ffff", u"\\U0010ffff"),
            ]
        else:
            tests += [
                (u"\U00010000", u"\\ud800\\udc00"),
                (u"\U0010ffff", u"\\udbff\\udfff"),
            ]
        for s, r in tests:
            self.assertEqual(
                codecs.backslashreplace_errors(
                    UnicodeEncodeError("ascii", u"a" + s + u"b",
                                       1, 1 + len(s), "ouch")),
                (r, 1 + len(s))
            )

项目：pefile.pypy 作者：cloudtracer | 项目源码 | 文件源码

def test_badandgoodbackslashreplaceexceptions(self):
        # "backslashreplace" complains about a non-exception passed in
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           42
        )
        # "backslashreplace" complains about the wrong exception types
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           UnicodeError("ouch")
        )
        # "backslashreplace" can only be used for encoding
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeDecodeError("ascii", "\xff", 0, 1, "ouch")
        )
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeTranslateError(u"\u3042", 0, 1, "ouch")
        )
        # Use the correct exception
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\u3042", 0, 1, "ouch")),
            (u"\\u3042", 1)
        )
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\x00", 0, 1, "ouch")),
            (u"\\x00", 1)
        )
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\xff", 0, 1, "ouch")),
            (u"\\xff", 1)
        )
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\u0100", 0, 1, "ouch")),
            (u"\\u0100", 1)
        )
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\uffff", 0, 1, "ouch")),
            (u"\\uffff", 1)
        )
        if sys.maxunicode>0xffff:
            self.assertEqual(
                codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\U00010000", 0, 1, "ouch")),
                (u"\\U00010000", 1)
            )
            self.assertEqual(
                codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\U0010ffff", 0, 1, "ouch")),
                (u"\\U0010ffff", 1)
            )

项目：ouroboros 作者：pybee | 项目源码 | 文件源码

def test_badandgoodbackslashreplaceexceptions(self):
        # "backslashreplace" complains about a non-exception passed in
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           42
        )
        # "backslashreplace" complains about the wrong exception types
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           UnicodeError("ouch")
        )
        # "backslashreplace" can only be used for encoding
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeDecodeError("ascii", bytearray(b"\xff"), 0, 1, "ouch")
        )
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeTranslateError("\u3042", 0, 1, "ouch")
        )
        # Use the correct exception
        tests = [
            ("\u3042", "\\u3042"),
            ("\n", "\\x0a"),
            ("a", "\\x61"),
            ("\x00", "\\x00"),
            ("\xff", "\\xff"),
            ("\u0100", "\\u0100"),
            ("\uffff", "\\uffff"),
            ("\U00010000", "\\U00010000"),
            ("\U0010ffff", "\\U0010ffff"),
            # Lone surrogates
            ("\ud800", "\\ud800"),
            ("\udfff", "\\udfff"),
            ("\ud800\udfff", "\\ud800\\udfff"),
        ]
        for s, r in tests:
            with self.subTest(str=s):
                self.assertEqual(
                    codecs.backslashreplace_errors(
                        UnicodeEncodeError("ascii", "a" + s + "b",
                                           1, 1 + len(s), "ouch")),
                    (r, 1 + len(s))
                )

项目：ndk-python 作者：gittor | 项目源码 | 文件源码

def test_badandgoodbackslashreplaceexceptions(self):
        # "backslashreplace" complains about a non-exception passed in
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           42
        )
        # "backslashreplace" complains about the wrong exception types
        self.assertRaises(
           TypeError,
           codecs.backslashreplace_errors,
           UnicodeError("ouch")
        )
        # "backslashreplace" can only be used for encoding
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeDecodeError("ascii", "\xff", 0, 1, "ouch")
        )
        self.assertRaises(
            TypeError,
            codecs.backslashreplace_errors,
            UnicodeTranslateError(u"\u3042", 0, 1, "ouch")
        )
        # Use the correct exception
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\u3042", 0, 1, "ouch")),
            (u"\\u3042", 1)
        )
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\x00", 0, 1, "ouch")),
            (u"\\x00", 1)
        )
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\xff", 0, 1, "ouch")),
            (u"\\xff", 1)
        )
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\u0100", 0, 1, "ouch")),
            (u"\\u0100", 1)
        )
        self.assertEqual(
            codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\uffff", 0, 1, "ouch")),
            (u"\\uffff", 1)
        )
        if sys.maxunicode>0xffff:
            self.assertEqual(
                codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\U00010000", 0, 1, "ouch")),
                (u"\\U00010000", 1)
            )
            self.assertEqual(
                codecs.backslashreplace_errors(UnicodeEncodeError("ascii", u"\U0010ffff", 0, 1, "ouch")),
                (u"\\U0010ffff", 1)
            )