eros/service/cron/savepic.py

# -*- coding: utf-8 -*-
"""
    demeter web
    name:admin.py
    author:rabin
"""
import time
from demeter.core import *
import oss2
from itertools import islice
timeSleep = 1800

key = 'xinnongbaohe'
host = 'oss-cn-shanghai.aliyuncs.com'
appId = 'LTAIsuklCbkXzpgt'
appSecret = 'M4d7xLxY0bVE034rTL84MEasG8Q8YZ'

url = 'http://'+key+'.'+host+'/'
auth = oss2.Auth(appId, appSecret)
endpoint = 'http://' + host
bucket = oss2.Bucket(auth, endpoint, key)
fix = '.jpg'

# 更改控制设备的超时状态
class Savepic(object):

	def run(self):
		self.handle()
		time.sleep(timeSleep)

	def handle(self):
		pic()

def pic():
	model = Demeter.model('device_info')
	model.hardware_type = 6
	data = model.select()
	if data:
		for value in data:
			if url in value['value']:
				prefix = value['value'].replace(url, '')
				prefix = prefix.replace(fix, '')
				ossLoad(value, prefix)

def ossLoad(value, prefix, marker=''):
	#data = oss2.ObjectIterator(bucket, prefix=prefix)
	data = bucket.list_objects(prefix=prefix, marker=marker, max_keys=100)
	
	if data.is_truncated == True:
		ossLoad(value, prefix, data.next_marker)
	elif data.object_list:
		pics = []
		for v in data.object_list:
			pics.append((v.key, v.last_modified))
		for v in pics[-10:]:
			savePic(value, v[0], v[1])
	#oss2.resumable_download(bucket, 'remote.txt', 'local.txt')

def savePic(value, file, cur):
	spic = url + file
	model = Demeter.model('device_pic')
	model.spic = spic
	data = model.select()
	if not data:
		day = str(date.today())
		day = day.split('-')
		file_name =  spic
		file_path = day[0] + '/' + day[1] + '/' + day[2]
		file_path = File.mkdirs(os.path.join(Demeter.path, 'runtime','camera', file_path)) + '/' + Demeter.md5(file_name) + '.jpg'

		oss2.resumable_download(bucket, file, file_path)
		model.pic = file_path.replace(Demeter.path + 'runtime', '')
		model.spic = spic
		model.farm_id = value['farm_id']
		model.gateway_id = value['gateway_id']
		model.device_id = value['id']
		model.sdate = cur
		id = model.insert()
		if id:
			bucket.delete_object(file)
#pic()