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"""Celery tasks.
"""
from celery.task import PeriodicTask
from celery.schedules import crontab
from django.conf import settings
import os
from osmux import osmux
class OSMFetcher(object):
"""
A mixin to get and store OpenStreetmap Data
"""
@property
def bbox(self):
raise NotImplementedError
@property
def store_name(self):
raise NotImplementedError
@property
def tag(self):
raise NotImplementedError
value = '*'
def run(self, **kwargs):
fn = os.path.join(settings.MEDIA_ROOT, self.store_name)
fn_new = os.path.join(settings.MEDIA_ROOT, 'new-%s' % self.store_name)
with open(fn_new, 'wb') as output:
output.write(osmux(
self.tag,
self.bbox[0],
self.bbox[1],
self.bbox[2],
self.bbox[3],
self.value))
os.rename(fn_new, fn)
class MateFetcher(OSMFetcher, PeriodicTask):
run_every = crontab(minute=0, hour=3)
bbox = (55.26, 46.52, 15.26, 5.22)
store_name = 'mate.xml'
tag = 'drink:club-mate'
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