def parse(self, response):
self.logger.info('parse function called on %s', response.url)
get_keywords = False
get_positions = True
position_limit = 20
if get_keywords:
cats = response.xpath(
"//div[@class='mainNavs']/div[@class='menu_box']")
for cat in cats:
cat_title = cat.xpath(
"div[@class='menu_main']/h2/text()").extract()
category = ' '.join(cat_title).strip()
sub_cats = cat.xpath("div/dl[@class='reset']")
for sub_cat in sub_cats:
sub_title = ' '.join(
sub_cat.xpath("dt/a/text()").extract()).strip()
positions = sub_cat.xpath("dd/a")
for pos in positions:
name = ' '.join(pos.xpath("text()").extract()).strip()
link = pos.xpath("@href").extract()[0]
query = link.split('/')[-1]
item = KeywordItem()
item['name'] = name
item['category'] = category
item['subcategory'] = sub_title
item['encoded'] = query
item['created_on'] = datetime.datetime.now()
item['updated_on'] = datetime.datetime.now()
yield item
item_dao = ItemDao()
kd = item_dao.get_keywords()
# kd = [u'搜索算法', u'精准推荐']
# kd = [u'Python', u'自然语言处理']
pos_urls = [(k, self.pos_list_url_format.format(k, 1)) for k in kd]
if get_positions:
for pu in pos_urls:
request = scrapy.Request(url=pu[1],
callback=self.parse_pos_list)
request.meta['kd'] = pu[0]
request.meta['pn'] = 1
yield request
def parse(self, response):
self.logger.info('parse function called on %s', response.url)
get_keywords = False
get_positions = True
position_limit = 20
if get_keywords:
cats = response.xpath("//div[@class='mainNavs']/div[@class='menu_box']")
for cat in cats:
cat_title = cat.xpath("div[@class='menu_main']/h2/text()").extract()
category = ' '.join(cat_title).strip()
sub_cats = cat.xpath("div/dl[@class='reset']")
for sub_cat in sub_cats:
sub_title = ' '.join(sub_cat.xpath("dt/a/text()").extract()).strip()
positions = sub_cat.xpath("dd/a")
for pos in positions:
name = ' '.join(pos.xpath("text()").extract()).strip()
link = pos.xpath("@href").extract()[0]
query = link.split('/')[-1]
item = KeywordItem()
item['name'] = name
item['category'] = category
item['subcategory'] = sub_title
item['encoded'] = query
item['created_on'] = datetime.datetime.now()
item['updated_on'] = datetime.datetime.now()
yield item
item_dao = ItemDao()
kd = item_dao.get_keywords()
# kd = [u'搜索算法', u'精准推荐']
# kd = [u'Python', u'自然语言处理']
pos_urls = [(k, self.pos_list_url_format.format(k, 1)) for k in kd]
if get_positions:
for pu in pos_urls:
request = scrapy.Request(url=pu[1], callback=self.parse_pos_list)
request.meta['kd'] = pu[0]
request.meta['pn'] = 1
yield request
def parse_pos_list(self, response):
if response.status != 200:
raise CloseSpider('response status code: {0}, url: {1}'.format(
response.status, response.url))
result = json.loads(response.body)
if not result['success']:
raise CloseSpider('fetch pos list failed, url: {0}'.format(
response.url))
print 'pos_list', response.url
# print 'body', response.body
kd = response.meta['kd']
print kd
if result and result['content'] and result['content']['result']:
for pos in result['content']['result']:
item = PositionItem()
item["pos_id"] = int(pos["positionId"])
item_dao = ItemDao()
pos_exists, desc_exists, create_time, tag = item_dao.pos_desc_exists(
item["pos_id"])
# new, brief, detail
if pos_exists:
print('update brief of {0}'.format(item["pos_id"]))
item["mode"] = "brief"
item["create_time"] = pos["createTime"]
if not tag:
tag = kd
else:
tags = unicode(tag).split(',')
if kd not in tags:
tags.append(kd)
tag = ','.join(tags)
item['tag'] = tag
item['updated_on'] = datetime.datetime.now()
else:
item["mode"] = "new"
item['tag'] = kd
item["name"] = pos["positionName"]
item["create_time"] = pos["createTime"]
item["city"] = pos["city"]
item["salary"] = pos["salary"]
item["time_type"] = pos["jobNature"]
item["fin_stage"] = pos["financeStage"]
item["industry"] = pos["industryField"]
item["is_active"] = 1
item["category"] = pos["positionFirstType"]
item["subcategory"] = pos["positionType"]
# TODO:
item["desc"] = 'n/a'
item["leader"] = pos["leaderName"]
item["advantage"] = pos["positionAdvantage"]
item["education"] = pos["education"]
item["experience"] = pos["workYear"]
item["com_id"] = int(pos["companyId"])
item["com_name"] = pos["companyShortName"]
item["com_short_name"] = pos["companyName"]
# TODO:
item["com_url"] = 'n/a'
item["com_labels"] = ';'.join(pos["companyLabelList"])
item["com_logo"] = pos["companyLogo"]
item["com_size"] = pos["companySize"]
# TODO:
item["com_address"] = 'n/a'
item['created_on'] = datetime.datetime.now()
item['updated_on'] = datetime.datetime.now()
yield item
# pos detail
if not desc_exists and self.get_pos_detail:
yield scrapy.Request(url=self.pos_detail_url_format.format(
item["pos_id"]),
callback=self.parse_pos_detail)
else:
print 'invalid result'
# next page
c = result['content']
cur_page = int(response.meta['pn'])
total_pages = int(c['totalPageCount'])
print 'pager: %d of %d' % (cur_page, total_pages)
if cur_page < total_pages:
kd = response.meta['kd']
request = scrapy.Request(url=self.pos_list_url_format.format(
kd, (cur_page + 1)),
callback=self.parse_pos_list)
print 'next url: ', request.url
request.meta['kd'] = kd
request.meta['pn'] = cur_page + 1
yield request
def parse_pos_list(self, response):
if response.status != 200:
raise CloseSpider('response status code: {0}, url: {1}'.format(response.status, response.url))
result = json.loads(response.body)
if not result['success']:
raise CloseSpider('fetch pos list failed, url: {0}'.format(response.url))
print 'pos_list', response.url
# print 'body', response.body
kd = response.meta['kd']
print kd
if result and result['content'] and result['content']['result']:
for pos in result['content']['result']:
item = PositionItem()
item["pos_id"] = int(pos["positionId"])
item_dao = ItemDao()
pos_exists, desc_exists, create_time, tag = item_dao.pos_desc_exists(item["pos_id"])
# new, brief, detail
if pos_exists:
print('update brief of {0}'.format(item["pos_id"]))
item["mode"] = "brief"
item["create_time"] = pos["createTime"]
if not tag:
tag = kd
else:
tags = unicode(tag).split(',')
if kd not in tags:
tags.append(kd)
tag = ','.join(tags)
item['tag'] = tag
item['updated_on'] = datetime.datetime.now()
else:
item["mode"] = "new"
item['tag'] = kd
item["name"] = pos["positionName"]
item["create_time"] = pos["createTime"]
item["city"] = pos["city"]
item["salary"] = pos["salary"]
item["time_type"] = pos["jobNature"]
item["fin_stage"] = pos["financeStage"]
item["industry"] = pos["industryField"]
item["is_active"] = 1
item["category"] = pos["positionFirstType"]
item["subcategory"] = pos["positionType"]
# TODO:
item["desc"] = 'n/a'
item["leader"] = pos["leaderName"]
item["advantage"] = pos["positionAdvantage"]
item["education"] = pos["education"]
item["experience"] = pos["workYear"]
item["com_id"] = int(pos["companyId"])
item["com_name"] = pos["companyShortName"]
item["com_short_name"] = pos["companyName"]
# TODO:
item["com_url"] = 'n/a'
item["com_labels"] = ';'.join(pos["companyLabelList"])
item["com_logo"] = pos["companyLogo"]
item["com_size"] = pos["companySize"]
# TODO:
item["com_address"] = 'n/a'
item['created_on'] = datetime.datetime.now()
item['updated_on'] = datetime.datetime.now()
yield item
# pos detail
if not desc_exists and self.get_pos_detail:
yield scrapy.Request(url=self.pos_detail_url_format.format(item["pos_id"]),
callback=self.parse_pos_detail)
else:
print 'invalid result'
# next page
c = result['content']
cur_page = int(response.meta['pn'])
total_pages = int(c['totalPageCount'])
print 'pager: %d of %d' % (cur_page, total_pages)
if cur_page < total_pages:
kd = response.meta['kd']
request = scrapy.Request(url=self.pos_list_url_format.format(kd, (cur_page+1)), callback=self.parse_pos_list)
print 'next url: ', request.url
request.meta['kd'] = kd
request.meta['pn'] = cur_page + 1
yield request
