__init__.py

# Copyright 2017 Mycroft AI Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import time
from os.path import dirname, join
from netifaces import interfaces, ifaddresses, AF_INET

from adapt.intent import IntentBuilder
from mycroft.skills.core import MycroftSkill, intent_handler
import mycroft.audio
from mycroft.util.log import LOG


class NagaSkill(MycroftSkill):
    SEC_PER_LETTER = 0.65  # timing based on Mark 1 screen
    LETTERS_PER_SCREEN = 9.0

    def __init__(self):
        super(NagaSkill, self).__init__(name="NagaSkill")

    @intent_handler(IntentBuilder("NagaSkill").require("query").require("naga"))
    def handle_query_IP(self, message):

        # Build a list of interfaces and addresses
        addr = {}
        for ifaceName in interfaces():
            addresses = [
                i['addr'] for i in
                ifaddresses(ifaceName).setdefault(
                    AF_INET, [{'addr': None}])]
            if None in addresses:
                addresses.remove(None)
            # ignore "lo" (the local loopback)
            if addresses and ifaceName != "lo":
                addr[ifaceName] = addresses[0]

        dot = self.dialog_renderer.render("dot")

        if len(addr) == 0:
            self.speak_dialog("no network connection")
            return
        elif len(addr) == 1:
            self.enclosure.deactivate_mouth_events()
            iface, ip = addr.popitem()
            self.enclosure.mouth_text(ip)
            ip_spoken = ip.replace(".", " "+dot+" ")
            self.speak_dialog("my Naga is",
                              {'ip': ip_spoken})
            time.sleep((self.LETTERS_PER_SCREEN + len(ip)) *
                           self.SEC_PER_LETTER)
        else:
            self.enclosure.deactivate_mouth_events()
            for iface in addr:
                ip = addr[iface]
                self.enclosure.mouth_text(ip)
                ip_spoken = ip.replace(".", " "+dot+" ")
                self.speak_dialog("my Naga on X is Y",
                                 {'interface': iface, 'ip': ip_spoken})
                time.sleep((self.LETTERS_PER_SCREEN + len(ip)) *
                               self.SEC_PER_LETTER)

        mycroft.audio.wait_while_speaking()
        self.enclosure.activate_mouth_events()
        self.enclosure.mouth_reset()


def create_skill():
    return NagaSkill()