def get_comments(initFilePath, filePath, ip_num):
list_loc = get_starter(initFilePath, filePath)
total_number = len(list_loc)
ip_list = getProxy(ip_num)
url_base = "https://cn.tripadvisor.com/OverlayWidgetAjax?Mode=EXPANDED_SUR_REVIEWS_RESP&metaReferer=ShowUserReviewsAttractions&reviewId="
threading_num = len(ip_list)
post_url_pool = []
infor_pool = []
for i in range(total_number):
url = url_base + list_loc[i][2][1:]
if len(post_url_pool) < threading_num and i != total_number - 1:
post_url_pool.append(url)
infor_pool.append((list_loc[i][0], list_loc[i][1], list_loc[i][2]))
print("准备爬取第 {} 个的评论全文 共有 {} 个评论".format(i, total_number))
continue
# 最后一页既要进url池，又要启动线程
if i == total_number - 1:
print("准备爬取第 {} 个的评论全文 共有 {} 个评论".format(i, total_number))
post_url_pool.append(url)
threads = multi_threading(post_url_pool, ip_list)
with open(filePath, 'a+', newline='', encoding='utf-8-sig') as csvfile:
writer = csv.writer(csvfile)
num = 0
change_ip = False
for thread in threads:
try:
(title, content) = thread.get_result()
print("title: {}".format(title))
# print("content: {}".format(content))
writer.writerow([
infor_pool[num][0], infor_pool[num][1],
infor_pool[num][2], title, content
])
except Exception as e:
print("[Get_List]Error ", e)
change_ip = True
num += 1
if change_ip:
ip_list = getProxy(ip_num)
# 准备下一次输送给线程的url
if i != total_number - 1:
print("准备爬取第 {} 个的评论全文 共有 {} 个评论".format(i, total_number))
post_url_pool = [url]
infor_pool = [(list_loc[i][0], list_loc[i][1], list_loc[i][2])]
def get_list(province_id, filePath):
ip_list = getProxy()
proxies = choice(ip_list)
print("[Get_List]The valid IP: ", ip_list)
url_base_1 = 'https://cn.tripadvisor.com/Attractions-' + str(
province_id) + '-Activities-oa'
url_base_2 = '-New_York_City_New_York.html'
page = get_starter(filePath)
while page <= 50:
num = (page - 1) * 30
url = url_base_1 + str(num) + url_base_2
# 使用自定义的opener对象，调用open()方法来发送请求
try:
response = requests.get(url, proxies=proxies)
except Exception as e:
print("[Get_List]Error ", e)
print("[Get_List]False to spider page " + str(page))
page -= 1
ip_list = getProxy()
proxies = choice(ip_list)
else:
print("[Get_List]Success to spider page " + str(page))
html_code = response.text
# print(html_code)
hp = MyHTMLParser()
hp.feed(html_code)
hp.close()
print(hp.links)
print("[Get_List]Success to spider poi " + str(len(hp.links)))
# 判断是否爬完
if len(hp.links) == 0:
break
for loc in hp.links:
with open(filePath, 'a+', encoding='utf-8') as f:
loc_list = loc.split("-")
# print(loc_list[4])
f.write(
str(loc_list[2]) + "\t" + str(loc_list[4]) + "\t" +
str(loc) + "\t" + str(page) + "\n")
page += 1
print("[Get_List]Done spider all the list")
def get_comments(initFilePath, filePath):
list_loc = get_starter(initFilePath, filePath)
total_number = len(list_loc)
ip_list = getProxy(10)
print("[Get_List]The valid IP: ", ip_list)
for i in range(total_number):
with open(filePath, 'a+', newline='', encoding='utf-8-sig') as csvfile:
writer = csv.writer(csvfile)
base_url = list_loc[i][2]
links = getPoiComments_id(base_url, ip_list)
for link in links:
link_sec = link.split("-")
writer.writerow([link_sec[1], link_sec[2], link_sec[3], link])
print("[Get_Comments]Done write file " + str(list_loc[i][1]) +
" page number is " + str(list_loc[i][3]))
result = thread.get_result()
print(result)
try:
if len(result) == 0:
return comments_id
except Exception as e:
print("[Get_List]Error ", e)
continue
comments_id.extend(result)
print(len(comments_id))
print("已经爬到了 {} 个的评论".format(len(comments_id)))
# 准备下一次输送给线程的url
if page != page_num:
print("准备爬从第 {} 页开始的评论".format(page))
post_url_pool = [origin + base_sec[0] + "-Reviews-or" + str(num) + base_sec[0]]
page += 1
return comments_id
if __name__ == '__main__':
base_url = "/Attraction_Review-g60763-d1687489-Reviews-The_National_9_11_Memorial_Museum-New_York_City_New_York.html "
ip_list = getProxy(10)
print("[Get_List]The valid IP: ", ip_list)
links = getPoiComments_id(base_url, ip_list)
print(len(links))
for item in links:
print(item)
get_url_base = "http://wxapp.mafengwo.cn/gonglve/poi/?jsondata="
json_base_1 = "{%22data_style%22:%22comment_list%22,%22filter_style%22:%22comment%22,%22filter%22:{%22poiid%22:%22"
json_base_2 = "%22,%22tag%22:0},%22page%22:{%22no%22:"
json_base_3 = ",%22num%22:30}}"
poiid = 3474
page = 1
json_str = json_base_1 + str(poiid) + json_base_2 + str(page) + json_base_3
get_url = get_url_base + json_str
print(get_url)
ip_list = getProxy()
filePath = "./data/comment_all.txt"
with open(filePath, 'a+',encoding='utf-8') as f:
headers['User-Agent'] = choice(userAgent)
req = urllib.request.Request(get_url, headers=headers)
proxy_handler = urllib.request.ProxyHandler(choice(ip_list))
opener = urllib.request.build_opener(proxy_handler)
try:
response = opener.open(req)
except:
print("[Get_Comments]False to spider")
else:
print("[Get_Comments]Success to spider")
# 返回的是一个json格式的字符串，将字符串转为dict对象
def get_subpoi(province_id, initFilePath, filePath):
headers, userAgent = head_useragent()
initFilePath = "./data/" + province_id + "_list_all.txt"
filePath = "./data/" + province_id + "_list_all_sub.txt"
list_loc, fatherId, sub_page = get_starter(initFilePath, filePath)
ip_list = getProxy()
# 循环对每一个景点判断是否有子景点
for poi in list_loc:
print("[Get_List]Start to spider:" + str(poi[2] + " Page " + str(poi[-1])))
with open(filePath, 'a+', encoding='utf-8') as f:
# 天才的想法：
# 如果不是第一次进这个循环（fatherId就是列表第一项），那么需要输入父节点信息；
# 如果是第一次进来，但是文件只有表头（fatherId == 0），也需要输入父节点信息；
if poi[2] != str(fatherId):
f.write(str(poi[0]) + "\t" + str(poi[1]) + "\t" +
str(poi[2]) + "\t" + str(poi[3]) + "\t" +
str(poi[4]) + "\t" + str(poi[5]) + "\t0\t0\t0\n")
hasMore = True # 判断该父景点是否还有下一页子景点
while hasMore:
# 准备请求内容以及请求URL
sub_page += 1
opener, req = prepare_request(poi[2], sub_page, ip_list, userAgent, headers)
# 判断该景点（父景点）是否有子景点，如果有则继续，没有则跳过
try:
response = opener.open(req)
except Exception as e:
print("[Get_List]Error ", e)
print("[Get_List]False to spider " + str(poi[2]) + " Page " + str(poi[-1]) + " sub_page " + str(
sub_page))
sub_page -= 1
ip_list = getProxy()
else:
# 返回的是一个json格式的字符串，将字符串转为dict对象
data_json = json.loads(response.read().decode("utf8"))
data_all = data_json.get("data")
html = data_all["html"]
# 如果没有controller_data说明该景点（分类不是景点的）没有子景点
if "controller_data" not in data_all:
print("[Get_List]This location has no sub-locations")
break
controller_data = data_all["controller_data"]
# 判断是否该父景点是否还有下页
hasMore = controller_data["hasMore"]
# 得到当前父景点爬的子景点的页数
curPage = controller_data["curPage"]
hp = MyHTMLParser()
hp.feed(html)
hp.close()
# 分类是景点但是没有子景点的有controller_data，但是html中没有相应数据
if len(hp.href) == 0:
print("[Get_List]This location has no sub-locations")
break
# 严谨，防止信息不匹配
if not len(hp.href) == len(hp.target) == len(hp.people):
raise Exception("[Get_List]子景点信息不匹配")
for i in range(len(hp.href)):
# 子景点去过的人数少于5个就不写入文件中
if int(hp.people[i]) <= 5:
continue
pattern = re.compile("/poi/(.*).html", re.IGNORECASE)
sub_poi = pattern.findall(hp.href[i])[0]
with open(filePath, 'a+', encoding='utf-8') as f:
f.write(str(hp.target[i]) + "\t" + str(poi[1]) + "\t" +
str(sub_poi) + "\t" + str(poi[3]) + "\t" +
str(poi[4]) + "\t" + str(poi[5]) + "\t" +
str(poi[0]) + "\t" + str(poi[2]) + "\t" +
str(sub_page) + "\n")
print("[Get_List]Success to spider " + str(poi[2]) +
" Page " + str(poi[-1]) +
" sub_page " + str(sub_page))
# 爬完该父景点的所有子景点之后将sub_page置零，不放在循环开始因为第一次进入循环的时候sub_page不为零。
sub_page = 0
print("[Get_List]Finish to spider:" + str(poi[2] + " Page " + str(poi[-1])))
print("[Get_List]Done spider all the list")
# 因为有的景点可能既是一个独立的景点，又同时属于某一个景点的子景点，那么它就会存在两次
clean_file(filePath)
def multi_thread(user_cut, token_pool, Flag, Flag_geo):
thread_num = len(token_pool) * 2
geo = set()
non_geo = set()
num = len(user_cut)
batch_string = ""
user_last = []
batch_string_list = []
i = 0
ip_list = getProxy(7)
for single in user_cut:
i += 1
batch_string_after = '分割'.join([batch_string, single])
if len(batch_string_after) <= 10000:
batch_string = batch_string_after
else:
batch_string_list.append(batch_string)
batch_string = single
if len(batch_string_list) == thread_num:
print("[仅仅留下名词，构建地理与非地理名词词表] {}/{}".format(i, num))
try:
threads = multi_threading(batch_string_list, token_pool,
ip_list)
except Exception:
print("本次请求失败")
# break
continue
k = 0
for thread in threads:
k += 1
data_fenci = thread.get_result()
# print(data_fenci)
if data_fenci is None:
print("[解析词表] 第 {} 个线程抓取失败".format(k))
ip_list = getProxy(7)
continue
if not data_fenci.__contains__("items"):
print(data_fenci)
print("[解析词表] 第 {} 个线程抓取无结果".format(k))
ip_list = getProxy(7)
continue
# print(data_fenci["text"])
print("[解析词表] 正在解析第 {} 个线程抓取的结果".format(k))
seg_save = []
for item in data_fenci["items"]:
ci = item["item"]
if len(ci) <= 1 or ci in stopwords or is_uchar(
ci) is False:
# if len(ci) <= 1 or ci in stopwords:
continue
if ci == "文章":
user_last.append("文章")
continue
elif item["pos"] in Flag:
seg_save.append(ci)
non_geo.add(ci)
elif item["ne"] in Flag_geo or item["pos"] in Flag_geo:
seg_save.append(ci)
geo.add(ci)
elif ci == "分割":
if seg_save:
comment = '/'.join(seg_save)
user_last.append(comment)
seg_save = []
batch_string_list = []
# break
return user_last, geo, non_geo
