google_history.py

from __future__ import division
import bandicoot as bc
import datetime
import json


def load_google_gps(json_path, name='me'):
    """
    Loads history from https://google.com/maps/timeline into
    a bandicoot User object.
    """
    with open(json_path) as f:
        j = json.load(f)

    def yield_record():
        for loc in j['locations']:
            lat = loc['latitudeE7'] / 10000000
            lon = loc['longitudeE7'] / 10000000

            p = bc.core.Position(location=(lat, lon))
            d = datetime.datetime.fromtimestamp(float(loc['timestampMs']) / 1000)

            yield bc.core.Record(position=p, datetime=d)

    U, _ = bc.io.load(name, yield_record(), None, warnings=True)
    return U