-
Notifications
You must be signed in to change notification settings - Fork 1
/
CacheData.py
186 lines (166 loc) · 7.2 KB
/
CacheData.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
#! /usr/bin/env python
# -*- coding: utf-8 -*-
import urllib, sched, time, re, urllib2, json, random
from Var import *
from DataBase import *
class CacheData:
'''
缓存数据类
'''
def __init__(self):
self.cachedDatas = self.__loadData(os.path.join(Var.CACHE_PATH, 'yoho.txt'))
# 第一个参数确定任务的时间，返回从某个特定的时间到现在经历的秒数
# 第二个参数以某种人为的方式衡量时间
self.schedule = sched.scheduler(time.time, time.sleep)
def getData(self, neededId):
'''
获取指定ID的数据
:param neededIds:
:return:
'''
for z in self.cachedDatas:
if z['EPC'] == neededId:
return z
return None
def realCache(self, neededIds):
'''
缓存数据
:return:
'''
if self.cachedDatas:
cachedIds = [x['EPC'] for x in self.cachedDatas]
newIds = [y for y in neededIds if y not in cachedIds]
# 查到有新信息需要缓存
if newIds:
datas = self.__cache(Var.YOHO_URL, Var.CACHE_PATH, newIds)
allData = self.cachedDatas + datas
self.__saveTxtData(allData, Var.CACHE_PATH)
else:
if neededIds:
initialData = self.__cache(Var.YOHO_URL, Var.CACHE_PATH, neededIds)
# 保存数据文件
self.__saveTxtData(initialData, Var.CACHE_PATH)
def __cache(self, url, path, ids):
'''
缓存数据
'''
list = []
tagCasts = DataBase().tagCasts
if not os.path.exists(path):
os.mkdir(path)
for iid in ids:
# 标签EPC映射
castedId = tagCasts.has_key(iid) and tagCasts[iid] or iid
id = re.compile(r'^0+').sub('', castedId)
newUrl = url + str(id)
data = urllib2.urlopen(newUrl).read()
data = json.loads(data)
data['EPC'] = iid
qrCodes = DataBase().qrCodes
data['qrCode'] = qrCodes.has_key(iid) and qrCodes[iid] or None
# 缓存数据中的图片
if data['code'] == 200:
# 缓存产品图片
data = self.cacheImgs(path, data, id, u'goods_img')
# threading.Thread(target=self.cacheImgs, args=(data, id, u'goods_Img')).start()
# 缓存商品颜色图片
data = self.cacheImgs(path, data, id, u'goods')
# threading.Thread(target=self.cacheImgs, args=(data, id, u'goods')).start()
# 缓存商标logo
data = self.cacheImgs(path, data, id, u'brand_ico')
# threading.Thread(target=self.cacheImgs, args=(data, id, u'brand_ico')).start()
# 缓存默认商品图片
data = self.cacheImgs(path, data, id, u'goodsDefault')
# threading.Thread(target=self.cacheImgs, args=(data, id, u'goodsDefault')).start()
# 缓存促销banner图片
data = self.cacheImgs(path, data, id, u'promotion_banner')
# threading.Thread(target=self.cacheImgs, args=(data, id, u'promotion_banner')).start()
# 缓存同等商品图片
data = self.cacheImgs(path, data, id, u'sameGoods')
# threading.Thread(target=self.cacheImgs, args=(data, id, u'sameGoods')).start()
list.append(data)
# 安排每5分钟运行一次自己
self.schedule.enter(300, 0, self.__cache, (url, path, ids))
return list
def __saveTxtData(self, dat, path):
self.cachedDatas = dat
allDatas = json.dumps(dat)
dataPath = os.path.join(path, 'yoho.txt')
f = file(dataPath, "wb")
f.write(allDatas)
f.close()
def __loadData(self, path):
if os.path.exists(path):
f = file(path, "rb")
d = json.load(f)
f.close()
return d
return None
def cacheImgs(self, path, jsonData, id, item):
'''
缓存图片
:param jsonData:
:param id:
:param item:
:return:
'''
if jsonData['data'].has_key(item):
if isinstance(jsonData[u'data'][item], list):
l = []
path = os.path.join(path, 'goodsImgs')
if not os.path.exists(path):
os.mkdir(path)
for i in jsonData[u'data'][item]:
imgPath = os.path.join(path, str(id))
extAll = i.split('.')[-1]
ext = extAll.split('-')[0]
ur = i[0:i.rfind('.')] + '.' + ext + '?' + str(random.randint(1, 99))
imgName = str(jsonData[u'data'][item].index(i)) + '.' + ext
if not os.path.exists(imgPath):
os.mkdir(imgPath)
l.append(os.path.join(imgPath, imgName))
self.saveImg(imgPath, imgName, ur)
jsonData[u'data'][item] = l
elif isinstance(jsonData[u'data'][item], dict):
d = {}
colorPath = os.path.join(path, 'goodsColors')
if not os.path.exists(colorPath):
os.mkdir(colorPath)
sameProPath = os.path.join(path, 'sameProImgs')
if not os.path.exists(sameProPath):
os.mkdir(sameProPath)
for k, v in jsonData[u'data'][item].items():
if v.has_key(u'color_image') and v[u'color_image']:
imgUrl = v[u'color_image']
imgName = str(k) + '.' + imgUrl.split('.')[-1]
imgPath = os.path.join(colorPath, str(id))
if not os.path.exists(imgPath):
os.mkdir(imgPath)
v[u'color_image'] = os.path.join(imgPath, imgName)
elif v.has_key(u'sameProductImg') and v[u'sameProductImg']:
imgUrl = v[u'sameProductImg']
imgName = str(k) + '.' + imgUrl.split('.')[-1]
imgPath = os.path.join(sameProPath, str(id))
if not os.path.exists(imgPath):
os.mkdir(imgPath)
v[u'sameProductImg'] = os.path.join(imgPath, imgName)
else:
continue
self.saveImg(imgPath, imgName, imgUrl)
else:
imgUrl = jsonData[u'data'][item]
if not imgUrl:
return jsonData
imgPath = os.path.join(path, item + 's')
imgName = str(id) + '.' + imgUrl.split('.')[-1]
if not os.path.exists(imgPath):
os.mkdir(imgPath)
jsonData[u'data'][item] = os.path.join(imgPath, imgName)
self.saveImg(imgPath, imgName, imgUrl)
return jsonData
def saveImg(self, path, name, url):
img = urllib.urlopen(url)
if(img.getcode() == 200):
imgDat = img.read()
with open(os.path.join(path, name), "wb") as img:
img.write(imgDat)