How to use the capstone.bindings.python.capstone.__init__.CsError function in capstone

# Diet engine cannot provide @mnemonic & @op_str
            raise CsError(CS_ERR_DIET)

        all_insn = ctypes.POINTER(_cs_insn)()
        res = _cs.cs_disasm(self.csh, code, len(code), offset, count, ctypes.byref(all_insn))
        if res > 0:
            try:
                for i in range(res):
                    insn = all_insn[i]
                    yield (insn.address, insn.size, insn.mnemonic.decode('ascii'), insn.op_str.decode('ascii'))
            finally:
                _cs.cs_free(all_insn, res)
        else:
            status = _cs.cs_errno(self.csh)
            if status != CS_ERR_OK:
                raise CsError(status)
            return
            yield

def regs_write(self):
        if self._raw.id == 0:
            raise CsError(CS_ERR_SKIPDATA)

        if self._cs._diet:
            # Diet engine cannot provide @regs_write
            raise CsError(CS_ERR_DIET)

        if self._cs._detail:
            return self._detail.regs_write[:self._detail.regs_write_count]

        raise CsError(CS_ERR_DETAIL)

if status != CS_ERR_OK:
        raise CsError(status)

    all_insn = ctypes.POINTER(_cs_insn)()
    res = _cs.cs_disasm(csh, code, len(code), offset, count, ctypes.byref(all_insn))
    if res > 0:
        try:
            for i in range(res):
                insn = all_insn[i]
                yield (insn.address, insn.size, insn.mnemonic.decode('ascii'), insn.op_str.decode('ascii'))
        finally:
            _cs.cs_free(all_insn, res)
    else:
        status = _cs.cs_errno(csh)
        if status != CS_ERR_OK:
            raise CsError(status)
        return
        yield

    status = _cs.cs_close(ctypes.byref(csh))
    if status != CS_ERR_OK:
        raise CsError(status)

def insn_name(self):
        if self._cs._diet:
            # Diet engine cannot provide instruction name
            raise CsError(CS_ERR_DIET)

        if self._raw.id == 0:
            return "(invalid)"

        return _cs.cs_insn_name(self._cs.csh, self.id).decode('ascii')

def regs_write(self):
        if self._raw.id == 0:
            raise CsError(CS_ERR_SKIPDATA)

        if self._cs._diet:
            # Diet engine cannot provide @regs_write
            raise CsError(CS_ERR_DIET)

        if self._cs._detail:
            return self._detail.regs_write[:self._detail.regs_write_count]

        raise CsError(CS_ERR_DETAIL)

def mnemonic(self):
        if self._cs._diet:
            # Diet engine cannot provide @mnemonic.
            raise CsError(CS_ERR_DIET)

        return self._raw.mnemonic.decode('ascii')

status = _cs.cs_open(arch, mode, ctypes.byref(csh))
    if status != CS_ERR_OK:
        raise CsError(status)

    all_insn = ctypes.POINTER(_cs_insn)()
    res = _cs.cs_disasm(csh, code, len(code), offset, count, ctypes.byref(all_insn))
    if res > 0:
        try:
            for i in range(res):
                yield CsInsn(_dummy_cs(csh, arch), all_insn[i])
        finally:
            _cs.cs_free(all_insn, res)
    else:
        status = _cs.cs_errno(csh)
        if status != CS_ERR_OK:
            raise CsError(status)
        return
        yield

    status = _cs.cs_close(ctypes.byref(csh))
    if status != CS_ERR_OK:
        raise CsError(status)

def groups(self):
        if self._raw.id == 0:
            raise CsError(CS_ERR_SKIPDATA)

        if self._cs._diet:
            # Diet engine cannot provide @groups
            raise CsError(CS_ERR_DIET)

        if self._cs._detail:
            return self._detail.groups[:self._detail.groups_count]

        raise CsError(CS_ERR_DETAIL)

def groups(self):
        if self._raw.id == 0:
            raise CsError(CS_ERR_SKIPDATA)

        if self._cs._diet:
            # Diet engine cannot provide @groups
            raise CsError(CS_ERR_DIET)

        if self._cs._detail:
            return self._detail.groups[:self._detail.groups_count]

        raise CsError(CS_ERR_DETAIL)

def regs_write(self):
        if self._raw.id == 0:
            raise CsError(CS_ERR_SKIPDATA)

        if self._cs._diet:
            # Diet engine cannot provide @regs_write
            raise CsError(CS_ERR_DIET)

        if self._cs._detail:
            return self._detail.regs_write[:self._detail.regs_write_count]

        raise CsError(CS_ERR_DETAIL)