How to use the bleach.html5lib_shim.convert_entities function in bleach

def test_convert_entities(data, expected):
    assert html5lib_shim.convert_entities(data) == expected

def sanitize_css(self, style):
        """Sanitizes css in style tags"""
        # Convert entities in the style so that it can be parsed as CSS
        style = html5lib_shim.convert_entities(style)

        # Drop any url values before we do anything else
        style = re.compile(r'url\s*\(\s*[^\s)]+?\s*\)\s*').sub(' ', style)

        # The gauntlet of sanitization

        # Validate the css in the style tag and if it's not valid, then drop
        # the whole thing.
        parts = style.split(';')
        gauntlet = re.compile(
            r"""^([-/:,#%.'"\s!\w]|\w-\w|'[\s\w]+'\s*|"[\s\w]+"|\([\d,%\.\s]+\))*$""",
            flags=re.U
        )

        for part in parts:
            if not gauntlet.match(part):

def sanitize_uri_value(self, value, allowed_protocols):
        """Checks a uri value to see if it's allowed

        :arg value: the uri value to sanitize
        :arg allowed_protocols: list of allowed protocols

        :returns: allowed value or None

        """
        # NOTE(willkg): This transforms the value into one that's easier to
        # match and verify, but shouldn't get returned since it's vastly
        # different than the original value.

        # Convert all character entities in the value
        new_value = html5lib_shim.convert_entities(value)

        # Nix backtick, space characters, and control characters
        new_value = re.sub(
            r"[`\000-\040\177-\240\s]+",
            '',
            new_value
        )

        # Remove REPLACEMENT characters
        new_value = new_value.replace('\ufffd', '')

        # Lowercase it--this breaks the value, but makes it easier to match
        # against
        new_value = new_value.lower()

        try: