altitudes.py 文件源码

def fetch(self, point, key=conf.GOOGLE_MAPS_KEY):
        if not key:
            return self.fallback()
        try:
            async with ClientSession(loop=LOOP) as session:
                async with session.get(
                        'https://maps.googleapis.com/maps/api/elevation/json',
                        params={'locations': '{0[0]},{0[1]}'.format(point),
                                'key': key},
                        timeout=10) as resp:
                    response = await resp.json(loads=json_loads)
                    altitude = response['results'][0]['elevation']
                    self.altitudes[point] = altitude
                    self.changed = True
                    return altitude
        except CancelledError:
            raise
        except Exception:
            try:
                self.log.error(response['error_message'])
            except (KeyError, NameError):
                self.log.error('Error fetching altitude for {}.', point)
            return self.fallback()