Return interfaces details.

def get_interfaces(self):
        """Return interfaces details."""
        result = {}

        interfaces = junos_views.junos_iface_table(self.device)
        interfaces.get()
        interfaces_logical = junos_views.junos_logical_iface_table(self.device)
        interfaces_logical.get()

        # convert all the tuples to our pre-defined dict structure
        def _convert_to_dict(interfaces):
            # calling .items() here wont work.
            # The dictionary values will end up being tuples instead of dictionaries
            interfaces = dict(interfaces)
            for iface, iface_data in interfaces.items():
                result[iface] = {
                    "is_up": iface_data["is_up"],
                    # For physical interfaces <admin-status> will always be there, so just
                    # return the value interfaces[iface]['is_enabled']
                    # For logical interfaces if <iff-down> is present interface is disabled,
                    # otherwise interface is enabled
                    "is_enabled": (
                        True
                        if iface_data["is_enabled"] is None
                        else iface_data["is_enabled"]
                    ),
                    "description": (iface_data["description"] or ""),
                    "last_flapped": float((iface_data["last_flapped"] or -1)),
                    "mac_address": napalm.base.helpers.convert(
                        napalm.base.helpers.mac,
                        iface_data["mac_address"],
                        py23_compat.text_type(iface_data["mac_address"]),
                    ),
                    "speed": -1,
                    "mtu": 0,
                }
                # result[iface]['last_flapped'] = float(result[iface]['last_flapped'])

                match_mtu = re.search(r"(\w+)", str(iface_data["mtu"]) or "")
                mtu = napalm.base.helpers.convert(int, match_mtu.group(0), 0)
                result[iface]["mtu"] = mtu
                match = re.search(r"(\d+|[Aa]uto)(\w*)", iface_data["speed"] or "")
                if match and match.group(1).lower() == "auto":
                    match = re.search(
                        r"(\d+)(\w*)", iface_data["negotiated_speed"] or ""
                    )
                if match is None:
                    continue
                speed_value = napalm.base.helpers.convert(int, match.group(1), -1)
                if speed_value == -1:
                    continue
                speed_unit = match.group(2)
                if speed_unit.lower() == "gbps":
                    speed_value *= 1000
                result[iface]["speed"] = speed_value

            return result

        result = _convert_to_dict(interfaces)
        result.update(_convert_to_dict(interfaces_logical))
        return result