def getUpdateTime(self, selector, item):
item['update_time'] = -1
LogUtil.log("update_time(%d)" % item['update_time'])
return
def getSystem(self, selector, item):
item['system'] = "NULL"
LogUtil.log("system(%s)" % item['system'])
return
def getTag(self, selector, item):
item['tag'] = "NULL"
LogUtil.log("tag(%s)" % item['tag'])
return
def getInstallCount(self, selector, item):
xpath = '//div[@class="app-intro"]//span[@class="download-num"]/text()'
item['install_count'] = -1L
while True:
eles = selector.xpath(xpath).extract()
if (0 == len(eles)):
break
string = eles[0]
nums = re.findall(r"\d+\.?\d*", string)
if (0 == len(nums)):
break
num = float(nums[0])
if (-1 != string.find('亿')):
num *= 1e8
if (-1 != string.find('万')):
num *= 1e4
if (-1 != string.find('千')):
num *= 1e3
item['install_count'] = long(num)
break
LogUtil.log("install_count(%d)" % item['install_count'])
return
def getLikeCount(self, selector, item):
item['like_count'] = -1L
LogUtil.log("like_count(%d)" % item['like_count'])
return
def getCommentCount(self, selector, item):
item['comment_count'] = -1L
LogUtil.log("comment_count(%d)" % item['comment_count'])
return
def getSize(self, selector, item):
xpath = '//div[@class="app-intro"]//span[@class="size"]/text()'
eles = selector.xpath(xpath).extract()
size = -1
while True :
if (0 == len(eles)):
break
string = eles[0]
nums = re.findall(r"\d+\.?\d*", string)
if (0 == len(nums)):
break
size = float(nums[0])
if (-1 != string.find('K')):
size *= 1024
if (-1 != string.find('M')):
size *= 1024 * 1024
if (-1 != string.find('G')):
size *= 1024 * 1024 * 1024
break
item['size'] = long(size)
LogUtil.log("size(%d)" % item['size'])
return
def parse(self, response):
selector = scrapy.Selector(response)
# APP信息容器
yield self.getItem(selector, response)
# 提取各类别首页链接
for url in self.getCateLink(selector):
print url
yield Request(url, callback=self.parse)
# 提取App详情页面链接
for url in self.getAppLink(selector):
print url
yield Request(url, callback=self.parse)
# 提取翻页链接
for url in self.getPageLink(selector, str(response.url).encode('utf-8')):
print url
yield Request(url, callback=self.parse)
# 提取相关网页链接
for url in self.getRelateLink(selector):
print url
yield Request(url, callback=self.parse)
# 已处理URL数目统计
self.urls_sum += 1
LogUtil.log("urls_sum(%d)" % self.urls_sum)
def parse(self, response):
selector = scrapy.Selector(response)
# APP信息容器
yield self.getItem(selector, response)
# 已处理URL数目统计
self.urls_sum += 1
LogUtil.log("urls_sum(%d)" % self.urls_sum)
def getCategory(self, selector, item):
category = "NULL"
item['category'] = category
LogUtil.log("category(%s)" % item['category'])
return
def getCommentCount(self, selector, item):
xpath = '//a[@class="item last comment-open"]/i/text()'
eles = selector.xpath(xpath).extract()
comment_count = -1L
if (0 != len(eles)):
comment_count = self.strToNum(eles[0])
item['comment_count'] = comment_count
LogUtil.log("comment_count(%d)" % item['comment_count'])
return
def getName(self, selector, item):
xpath = '//p[@class="app-name"]/span[@class="title" and @itemprop="name"]/text()'
eles = selector.xpath(xpath).extract()
name = "NULL"
if (0 != len(eles)):
name = eles[0]
item['name'] = StrUtil.delWhiteSpace(name)
LogUtil.log("name(%s)" % item['name'])
return
def getName(self, selector, item):
xpath = '//div[@class="app-intro"]//h1[@class="app-name"]/span/text()'
eles = selector.xpath(xpath).extract()
name = "NULL"
if (0 != len(eles)):
name = eles[0]
item['name'] = StrUtil.delWhiteSpace(name)
LogUtil.log("name(%s)" % item['name'])
return
def getVersion(self, selector, item):
# xpath = '//dl[@class="infos-list"]/dd[5]/text()'
xpath = u'//dl[@class="infos-list"]/dt[text() = "版本"]/following::*[1]/text()'
eles = selector.xpath(xpath).extract()
if (0 != len(eles)):
item['version'] = StrUtil.delWhiteSpace(eles[0])
else:
item['version'] = "NULL"
LogUtil.log("version(%s)" % item['version'])
return
def getEditorComment(self, selector, item):
xpath = '//div[@class="app-detail"]//span[@class="head-content"]/text()'
eles = selector.xpath(xpath).extract()
editor_comment = "NULL"
if (0 != len(eles)):
editor_comment = eles[0]
item['editor_comment'] = StrUtil.delWhiteSpace(editor_comment)
LogUtil.log("editor_comment(%s)" % item['editor_comment'])
return
def getSize(self, selector, item):
xpath = '//meta[@itemprop="fileSize"]/@content'
eles = selector.xpath(xpath).extract()
size = -1L
if (0 != len(eles)):
size = long(eles[0])
item['size'] = size
LogUtil.log("size(%d)" % item['size'])
return
def getUpdateTime(self, selector, item):
xpath = '//time[@itemprop="datePublished"]/text()'
eles = selector.xpath(xpath).extract()
update_time = -1L
if (0 != len(eles)):
d = datetime.datetime.strptime(eles[0], "%Y年%m月%d日")
update_time = long(time.mktime(d.timetuple()))
item['update_time'] = update_time
LogUtil.log("update_time(%d)" % item['update_time'])
return
def getDescInfo(self, selector, item):
xpath = '//div[@class="app-detail"]//div[@class="brief-long"]/p//text()'
eles = selector.xpath(xpath).extract()
# eles = selector.xpath(xpath).xpath('string(., " ")').extract()
desc_info = "NULL"
if (0 != len(eles)):
desc_info = " ".join(eles)
item['desc_info'] = StrUtil.delWhiteSpace(desc_info)
LogUtil.log("desc_info(%s)" % item['desc_info'])
return
def getDescInfo(self, selector, item):
xpath = '//div[@itemprop="description"]//text()'
eles = selector.xpath(xpath).extract()
# eles = selector.xpath(xpath).xpath('string(., " ")').extract()
desc_info = "NULL"
if (0 != len(eles)):
desc_info = " ".join(eles)
item['desc_info'] = StrUtil.delWhiteSpace(desc_info)
LogUtil.log("desc_info(%s)" % item['desc_info'])
return
def getFeature(self, selector, item):
xpath = '//div[@class="yui3-g"]//div[@class="app-feature"]//span[@class="app-feature-detail"]//text()'
item['feature'] = "NULL"
while True:
eles = selector.xpath(xpath).extract()
item['feature'] = "-".join(filter(StrUtil.isEmpty, map(StrUtil.delWhiteSpace, eles)))
break
LogUtil.log("feature(%s)" % item['feature'])
return
def getSystem(self, selector, item):
xpath = '//dd[@itemprop="operatingSystems"]/text()'
eles = selector.xpath(xpath).extract()
system = "NULL"
if (0 != len(eles)):
pattern = re.compile('\s+')
system = (re.sub(pattern, ' ', eles[0])).strip()
item['system'] = system
LogUtil.log("system(%s)" % item['system'])
return
def getFeature(self, selector, item):
xpath = '//div[@class="infors-txt"]/div[@class="title"]/ul//text()'
item['feature'] = "NULL"
while True:
eles = selector.xpath(xpath).extract()
item['feature'] = "-".join(
filter(StrUtil.isEmpty, map(StrUtil.delWhiteSpace, eles)))
break
LogUtil.log("feature(%s)" % item['feature'])
return
def getSource(self, selector, item):
# xpath = '//a[@itemprop="url" and @class="dev-sites"]/span/text()'
xpath = u'//dl[@class="infos-list"]/dt[text() = "来自"]/following::*[1]'
eles = selector.xpath(xpath).xpath('string(.)').extract()
source = "NULL"
if (0 != len(eles)):
pattern = re.compile('\s+')
source = (re.sub(pattern, ' ', eles[0])).strip()
item['source'] = source
LogUtil.log("source(%s)" % item['source'])
return
def getEditorComment(self, selector, item):
xpath = '//dl[@class="clearfix"]/dd/p//text()'
item['editor_comment'] = "NULL"
while True:
eles = selector.xpath(xpath).extract()
eles = filter(StrUtil.isEmpty, map(StrUtil.delWhiteSpace, eles))
if (1 >= len(eles)):
break
item['editor_comment'] = eles[1]
break
LogUtil.log("editor_comment(%s)" % item['editor_comment'])
return
def getTag(self, selector, item):
xpath = '//div[@class="app-tags"]//text()'
item['tag'] = "NULL"
while True:
eles = selector.xpath(xpath).extract()
if (1 >= len(eles)):
break
item['tag'] = "-".join((filter(StrUtil.isEmpty,
map(StrUtil.delWhiteSpace,
eles)))[1:])
break
LogUtil.log("tag(%s)" % item['tag'])
return
def getSource(self, selector, item):
xpath = '//div[@class="base-info"]/table/tbody/tr[1]/td[1]//text()'
eles = selector.xpath(xpath).extract()
item['source'] = "NULL"
while True:
if (1 >= len(eles)):
break
item['source'] = filter(StrUtil.isEmpty,
map(StrUtil.delWhiteSpace, eles))[1]
break
LogUtil.log("source(%s)" % item['source'])
return
def getScore(self, selector, item):
xpath = '//dl[@class="clearfix"]/dd/div[@class="pf"]/span[@class="s-1 js-votepanel"]//text()'
item['score'] = -1
while True:
eles = selector.xpath(xpath).extract()
eles = filter(StrUtil.isEmpty, map(StrUtil.delWhiteSpace, eles))
nums = re.findall(r"\d+\.?\d*", " ".join(eles))
if (0 == len(nums)):
break
item['score'] = float(nums[0]) * 10
break
LogUtil.log("score(%d)" % item['score'])
return
def getSource(self, selector, item):
xpath = '//div[@class="app-intro"]//div[@class="origin-wrap"]//a[@class="origin"]/text()'
item['source'] = "NULL"
while True:
eles = selector.xpath(xpath).extract()
if (0 == len(eles)):
break
string = eles[0]
item['source'] = StrUtil.delWhiteSpace(string)
break
LogUtil.log("source(%s)" % item['source'])
return
def getUpdateTime(self, selector, item):
xpath = '//div[@class="base-info"]/table/tbody/tr[1]/td[2]//text()'
eles = selector.xpath(xpath).extract()
item['update_time'] = -1L
while True:
if (1 >= len(eles)):
break
string = filter(StrUtil.isEmpty, map(StrUtil.delWhiteSpace,
eles))[1]
d = datetime.datetime.strptime(string, "%Y-%m-%d")
item['update_time'] = long(time.mktime(d.timetuple()))
break
LogUtil.log("update_time(%d)" % item['update_time'])
return
def getCategory(self, selector, item):
xpath = '//div[@class="app-nav"]//a/text()'
category = "NULL"
while True:
strings = selector.xpath(xpath).extract()
if (1 >= len(strings)):
break
category = "-".join(map(StrUtil.delWhiteSpace, strings[1:]))
break
item['category'] = category
LogUtil.log("category(%s)" % item['category'])
return
