def get_info(url):
"""
:param url:
:return: 返回的a是营养价值，b是食用效果
"""
dic = {"食材": "", "简介": "", "营养价值": "", "食用效果": ""}
try:
s = get_selector.get_selector(send_request.send_requests(url))
# 储存功效信息
fun = s.xpath(
'//div[@class="fd_yygx"]//strong[1]/following-sibling::*')
final_fun = []
intro = s.xpath('//div[@class="n_sp_main_info"]//p/text()')
dic["食材"] = s.xpath('//div[@class="fd_tit2"]//strong/text()')
t = []
jianjie = s.xpath('//div[@class="n_sp_main_info"]//p/text()')
for i in jianjie:
t.append(i.strip())
dic["简介"] = t
for i in range(len(fun)):
info = s.xpath(
'//div[@class="fd_yygx"]//strong[1]/following-sibling::*[%d]/text()'
% (i + 1))
if info is not None:
final_fun = final_fun + info
for m in range(len(final_fun)):
final_fun[m] = final_fun[m].strip()
for i in range(len(intro)):
intro[i] = intro[i].strip()
final_fun.remove('')
for i in range(len(final_fun)):
if "的挑选" in final_fun[i]:
final_fun = final_fun[0:i]
break
for i in range(len(final_fun)):
if "的存储方法" in final_fun[i]:
final_fun = final_fun[0:i]
break
a = []
b = []
for i in range(len(final_fun)):
if "的食用效果" in final_fun[i]:
a = final_fun[1:i]
b = final_fun[i + 1:]
if len(a) is 0:
print(final_fun[0])
if "的营养价值" in final_fun[0]:
print("doit")
a = final_fun[1:]
print(a)
print(b)
dic["营养价值"] = a
dic["食用效果"] = b
return dic
except Exception as e:
print(e)
def get_info(url):
dic = {}
s = get_selector.get_selector(send_request.send_requests(url))
name = s.xpath('//h2[@class="crumb"]/text()')[-1].strip().replace('/ ', '')
calorie = s.xpath(
'//span[@id="food-calory"]//span[@class="stress red1"]/text()')[0]
img_url = s.xpath('//div[@class="food-pic pull-left"]//a/@href')[0]
dic["new_name"] = name
dic["calorie"] = calorie
dic["img_url"] = img_url
return dic
def get_urls():
"""
:return:
"""
urls = []
s = get_selector.get_selector(send_request.send_requests(aim_url))
m = [8, 9, 10, 14, 15, 25]
for i in m:
url = s.xpath('//div[@class="fd_cont"]//dl[%d]//a/@href' % i)
urls = urls + url
return urls
def get_img_url(name):
base_url = "http://so.meishi.cc/index.php?q="
try:
time.sleep(2)
s = get_selector.get_selector(
send_request.send_requests(base_url + name))
img = s.xpath(
'//div[@class="search2015_cpitem"][1]//a[@class="img"]//img/@src')
print(name, img)
return img[0]
except Exception as e:
print(e)
def get_url(page_url):
"""
该方法返回当前界面的所有url
:param page_url: 某一页的网址
:return:
"""
try:
s = get_selector.get_selector(send_request.send_requests(page_url))
urls = s.xpath('//div[@class="item_all"]//p[@class="item_tit"]//a/@href')
return urls
except Exception as e:
print(e)
return []
def get_urls(name_list):
all_tie = {}
for name in name_list:
try:
url = "/".join((base_url, "shufa", name))
print("正在处理", name, url)
s = get_selector.get_selector(send_request.send_requests(url))
result = s.xpath('//div[@class="col-md-4 col-sm-6"]//a/@href')
for i in result:
all_tie[i.split('/')[-2]] = base_url + i
print(all_tie)
except Exception as e:
print("字帖获取失败了", e)
return all_tie
def get_info(url):
s = get_selector.get_selector(send_request.send_requests(url))
info = s.xpath('//div[@class="content"]//dd[2]/following::dd//span/text()')
info_dic = {}
for i in range(int(len(info) / 2)):
try:
info_dic[info[i * 2]] = info[(i + 1) * 2 - 1]
except:
pass
for ingredient in info_dic:
try:
float(info_dic[ingredient])
except:
info_dic[ingredient] = '-1'
return info_dic
def get_info(dic):
for name in dic:
try:
s = get_selector.get_selector(send_request.send_requests(
dic[name]))
img1 = base_url + s.xpath('//div[@id="a0"]/img/@src')[0]
img_urls = s.xpath(
'//div[@id="a0"]/following-sibling::*/@data-original')
for i in range(len(img_urls)):
img_urls[i] = base_url + img_urls[i]
img_urls.append(img1)
dic[name] = img_urls
print("get info done", name)
except Exception as e:
print("图片链接获取失败", e)
return dic
def get_info(url):
"""
获取详细内容
:param url: 菜品的url
:return: 返回的字典
"""
dic = {
"菜名": "",
"分类": "",
"口味": "",
"食材": "",
"主要工艺": "",
"制作时间": "",
"做法": "",
"图片url": "",
}
try:
time.sleep(1)
print("open", url)
s = get_selector.get_selector(send_request.send_requests(url))
dic["图片url"] = s.xpath('//div[@class="cp_headerimg_w"]//img/@src')[0]
dic["菜名"] = s.xpath('//h1[@class="title"]//a/text()')[0]
dic["分类"] = s.xpath('//dl[@class="yj_tags clearfix"]//a/text()')
dic["主要工艺"] = s.xpath('//li[@class="w127"]//a/text()')[0]
dic["口味"] = s.xpath('//li[@class="w127 bb0"]//a/text()')[0]
dic["制作时间"] = s.xpath('//li[@class="w270 bb0 br0"]//div[@class="processing_w"]//a/text()')[0]
zhuliao = s.xpath('//div[@class="c"]//h4/child::*/text()')
fuliao = s.xpath('//div[@class="yl fuliao clearfix"]//ul[@class="clearfix"]/descendant::*/text()')
cailiao = []
for i in range(len(zhuliao)):
if i % 2 == 0:
temp = zhuliao[i] + ":" + zhuliao[i + 1]
cailiao.append(temp)
for i in range(len(fuliao)):
if i % 2 == 0:
temp = fuliao[i] + ":" + fuliao[i + 1]
cailiao.append(temp)
dic["食材"] = cailiao
steps = s.xpath('//div[@class="editnew edit"]//div//p/text()')
for i in range(len(steps)):
steps[i] = str(i + 1) + steps[i]
dic["做法"] = steps
print(dic.get("菜名"), "done")
except Exception as e:
print("获取菜失败", e)
return dic
def get_urls(menu_url):
"""
获取界面上的菜的url
:param menu_url: 某类食谱
:return: 该类食谱的所有菜的url
"""
urls_list = []
for i in range(11):
time.sleep(1)
try:
url = menu_url + str(i + 1)
print(url)
s = get_selector.get_selector(send_request.send_requests(url))
urls = s.xpath('//div[@class="listtyle1"]//a/@href')
urls_list.extend(urls)
print("page"+str(i), "done")
except Exception as e:
print("打开失败", e)
return urls_list
def get_info(url):
"""
获取段落文字信息
(这里有个单词记错了，comment应该是content，不过问题应该不大)
:param url: 详情界面url
:return:
"""
try:
s = get_selector.get_selector(send_request.send_requests(url))
comment = s.xpath('//div[@id="articleContent"]/p/following-sibling::*/text()')
title = s.xpath('//h1/text()')[0]
for s in range(len(comment)):
comment[s] = comment[s].strip()
comment[s] = comment[s].lstrip('。')
comment[s] = comment[s].lstrip('(')
comment[s] = comment[s].lstrip('?')
comment[s] = comment[s].lstrip(')')
comment[s] = comment[s].lstrip('!')
comment[s] = comment[s].lstrip('：')
comment[s] = comment[s].lstrip('、')
comment[s] = comment[s].lstrip(',')
comment[s] = comment[s].lstrip('》')
comment[s] = comment[s].lstrip('《')
comment[s] = comment[s].lstrip(':')
for i in comment:
if i is '':
comment.remove(i)
if len(i) is 1:
comment.remove(i)
try:
index = comment.index("本篇文章版权归民福康健康所有，未经许可，谢绝转载。")
s = "\n".join(comment[:index])
except:
s = "\n".join(comment)
print("正在获取", comment[0][:5], "...")
dic = {}
dic['title'] = title
dic['content'] = s
return dic
except Exception as e:
print(e)
return ''
def get_urls(list):
"""
获取该网站所有的贴
:param list: person_name_list
:return:
"""
urls = []
for name in list:
try:
time.sleep(5)
url = base_url + "/shufa/" + name
print(name, "start")
s = get_selector.get_selector(send_request.send_requests(url))
result = s.xpath('//div[@class="caption ellipsis"]//a/@href')
for i in range(len(result)):
result[i] = base_url + result[i]
print(name, "done")
urls.extend(result)
except Exception as e:
print(e)
print(urls)
return urls
def get_info():
s = get_selector.get_selector(send_request.send_requests(base_url))
name = s.xpath('//li//a[@rel="cpdq"]/text()')
return name
