How to use the simplejson.decoder.JSONDecodeError function in simplejson

def JSONArray(state, scan_once, _w=WHITESPACE.match, _ws=WHITESPACE_STR):
    (s, end) = state
    values = []
    nextchar = s[end:end + 1]
    if nextchar in _ws:
        end = _w(s, end + 1).end()
        nextchar = s[end:end + 1]
    # Look-ahead for trivial empty array
    if nextchar == ']':
        return values, end + 1
    _append = values.append
    while True:
        try:
            value, end = scan_once(s, end)
        except StopIteration:
            raise JSONDecodeError("Expecting object", s, end)
        _append(value)
        nextchar = s[end:end + 1]
        if nextchar in _ws:
            end = _w(s, end + 1).end()
            nextchar = s[end:end + 1]
        end += 1
        if nextchar == ']':
            break
        elif nextchar != ',':
            raise JSONDecodeError("Expecting ',' delimiter", s, end)

        try:
            if s[end] in _ws:
                end += 1
                if s[end] in _ws:
                    end = _w(s, end + 1).end()

# Normally we expect nextchar == '"'
    if nextchar != '"':
        if nextchar in _ws:
            end = _w(s, end).end()
            nextchar = s[end:end + 1]
        # Trivial empty object
        if nextchar == '}':
            if object_pairs_hook is not None:
                result = object_pairs_hook(pairs)
                return result, end + 1
            pairs = {}
            if object_hook is not None:
                pairs = object_hook(pairs)
            return pairs, end + 1
        elif nextchar != '"':
            raise JSONDecodeError(
                "Expecting property name enclosed in double quotes",
                s, end)
    end += 1
    while True:
        key, end = scanstring(s, end, encoding, strict)
        key = memo_get(key, key)

        # To skip some function call overhead we optimize the fast paths where
        # the JSON key separator is ": " or just ":".
        if s[end:end + 1] != ':':
            end = _w(s, end).end()
            if s[end:end + 1] != ':':
                raise JSONDecodeError("Expecting ':' delimiter", s, end)

        end += 1

def get_data(self, endpoint):
        try:
            token = oauth.OAuthToken.from_string(self.access_token_str)
            consumer = oauth.OAuthConsumer(self.config.consumer_key, self.config.consumer_secret)
            request = oauth.OAuthRequest.from_consumer_and_token(
                consumer,
                token,
                http_method='GET',
                http_url="http://%s/api/%s" % (JustinApi.addr, endpoint))
            request.sign_request(oauth.OAuthSignatureMethod_HMAC_SHA1(), consumer, token)
            connection = httplib.HTTPConnection(self.addr)
            connection.request('GET', request.http_url, headers=request.to_header())
            result = connection.getresponse().read()
            data = simplejson.loads(result)
        except KeyError, simplejson.decoder.JSONDecodeError:
            log.error("justin.tv API: failed fetch data from endpoint %s" % endpoint)
            return dict()
        return data

else:
            # Unicode escape sequence
            esc = s[end + 1:end + 5]
            next_end = end + 5
            if len(esc) != 4:
                msg = "Invalid \\uXXXX escape"
                raise JSONDecodeError(msg, s, end)
            uni = int(esc, 16)
            # Check for surrogate pair on UCS-4 systems
            if 0xd800 <= uni <= 0xdbff and sys.maxunicode > 65535:
                msg = "Invalid \\uXXXX\\uXXXX surrogate pair"
                if not s[end + 5:end + 7] == '\\u':
                    raise JSONDecodeError(msg, s, end)
                esc2 = s[end + 7:end + 11]
                if len(esc2) != 4:
                    raise JSONDecodeError(msg, s, end)
                uni2 = int(esc2, 16)
                uni = 0x10000 + (((uni - 0xd800) << 10) | (uni2 - 0xdc00))
                next_end += 6
            char = unichr(uni)
            end = next_end
        # Append the unescaped character
        _append(char)
    return u''.join(chunks), end

return pairs, end + 1
        elif nextchar != '"':
            raise JSONDecodeError(
                "Expecting property name enclosed in double quotes",
                s, end)
    end += 1
    while True:
        key, end = scanstring(s, end, encoding, strict)
        key = memo_get(key, key)

        # To skip some function call overhead we optimize the fast paths where
        # the JSON key separator is ": " or just ":".
        if s[end:end + 1] != ':':
            end = _w(s, end).end()
            if s[end:end + 1] != ':':
                raise JSONDecodeError("Expecting ':' delimiter", s, end)

        end += 1

        try:
            if s[end] in _ws:
                end += 1
                if s[end] in _ws:
                    end = _w(s, end + 1).end()
        except IndexError:
            pass

        try:
            value, end = scan_once(s, end)
        except StopIteration:
            raise JSONDecodeError("Expecting object", s, end)
        pairs.append((key, value))

if object_hook is not None:
                pairs = object_hook(pairs)
            return pairs, end + 1
        elif nextchar != '"':
            raise JSONDecodeError("Expecting property name", s, end)
    end += 1
    while True:
        key, end = scanstring(s, end, encoding, strict)
        key = memo_get(key, key)

        # To skip some function call overhead we optimize the fast paths where
        # the JSON key separator is ": " or just ":".
        if s[end:end + 1] != ':':
            end = _w(s, end).end()
            if s[end:end + 1] != ':':
                raise JSONDecodeError("Expecting : delimiter", s, end)

        end += 1

        try:
            if s[end] in _ws:
                end += 1
                if s[end] in _ws:
                    end = _w(s, end + 1).end()
        except IndexError:
            pass

        try:
            value, end = scan_once(s, end)
        except StopIteration:
            raise JSONDecodeError("Expecting object", s, end)
        pairs.append((key, value))

try:
        sock.connect(sock_path)
    except socket.error:
        logger.error('Can\'t connect to fire socket: %s' % sock_path)
        return state

    try:
        sock.sendall('.')
        msg_size = int(sock.recv(4))
        msg_s = sock.recv(msg_size)
    finally:
        sock.close()

    try:
        state = json.loads(msg_s)
    except JSONDecodeError, e:
        logger.error('Can\'t parse fire status data geted' +
                     ' from: %s\n%s' % (pid, e))
    return state

raise JSONDecodeError(msg, s, end)
            else:
                _append(terminator)
                continue
        try:
            esc = s[end]
        except IndexError:
            raise JSONDecodeError(
                "Unterminated string starting at", s, begin)
        # If not a unicode escape sequence, must be in the lookup table
        if esc != 'u':
            try:
                char = _b[esc]
            except KeyError:
                msg = "Invalid \\escape: " + repr(esc)
                raise JSONDecodeError(msg, s, end)
            end += 1
        else:
            # Unicode escape sequence
            esc = s[end + 1:end + 5]
            next_end = end + 5
            if len(esc) != 4:
                msg = "Invalid \\uXXXX escape"
                raise JSONDecodeError(msg, s, end)
            try:
                uni = int(esc, 16)
            except ValueError:
                msg = "Invalid \\uXXXX escape"
                raise JSONDecodeError(msg, s, end)
            # Check for surrogate pair on UCS-4 systems
            if _maxunicode > 65535:
                unimask = uni & 0xfc00

def raw_decode(self, s, idx=0):
        """Decode a JSON document from ``s`` (a ``str`` or ``unicode``
        beginning with a JSON document) and return a 2-tuple of the Python
        representation and the index in ``s`` where the document ended.

        This can be used to decode a JSON document from a string that may
        have extraneous data at the end.

        """
        try:
            obj, end = self.scan_once(s, idx)
        except StopIteration:
            raise JSONDecodeError("No JSON object could be decoded", s, idx)
        return obj, end

# Terminator is the end of string, a literal control character,
        # or a backslash denoting that an escape sequence follows
        if terminator == '"':
            break
        elif terminator != '\\':
            if strict:
                msg = "Invalid control character %r at" % (terminator,)
                #msg = "Invalid control character {0!r} at".format(terminator)
                raise JSONDecodeError(msg, s, end)
            else:
                _append(terminator)
                continue
        try:
            esc = s[end]
        except IndexError:
            raise JSONDecodeError(
                "Unterminated string starting at", s, begin)
        # If not a unicode escape sequence, must be in the lookup table
        if esc != 'u':
            try:
                char = _b[esc]
            except KeyError:
                msg = "Invalid \\escape: " + repr(esc)
                raise JSONDecodeError(msg, s, end)
            end += 1
        else:
            # Unicode escape sequence
            esc = s[end + 1:end + 5]
            next_end = end + 5
            if len(esc) != 4:
                msg = "Invalid \\uXXXX escape"
                raise JSONDecodeError(msg, s, end)