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mfw_scraper.py
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import requests
import re
from bs4 import BeautifulSoup
import bs4
from functools import partial
from pprint import pprint
import http
from utils import text_contains, class_starts_with
def parse_cookie(cookie):
"""
Return a dictionary parsed from a `Cookie:` header string.
"""
cookiedict = {}
for chunk in cookie.split(";"):
if "=" in chunk:
key, val = chunk.split("=", 1)
else:
# Assume an empty name per
# https://bugzilla.mozilla.org/show_bug.cgi?id=169091
key, val = "", chunk
key, val = key.strip(), val.strip()
if key or val:
# unquote using Python's algorithm.
cookiedict[key] = http.cookies._unquote(val)
return cookiedict
def parse_header(header_str):
headers_ = header_str.strip().split('\n')
new_headers = {}
for h in headers_:
if(h[0:1] == ':'):
single = h[1:].split(": ")
# headers_ = f"'{single[0]}': '{single[1]}',"
# print(headers_)
new_headers[single[0]] = single[1]
else:
single = h.split(": ")
if(len(single) != 1):
new_headers[single[0]] = single[1]
# headers_ = f"'{single[0]}': '{single[1]}',"
# print(headers_)
# in case receives status code of 304
new_headers['Cache-Control'] = 'no-cache'
return new_headers
def parse_header2(header_str):
header_str = header_str.strip()
lines = header_str.split("\n")
new_headers = {}
for idx in range(0, len(lines), 2):
new_headers[lines[idx].strip(":")] = lines[idx+1]
return new_headers
# copy from Chrome -> Dev mode -> Network -> Request headers -> raw
raw_header = """Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9
Cache-Control: max-age=0
Connection: keep-alive
Cookie: isCookie=1; BAIDU_SSP_lcr=https://www.baidu.com/; wakeApp_unshow_baidu=1; mfw_uuid=64eb1da8-8521-9c4d-e53f-549f1707ae9d; __jsluid_s=ebde84ec1319f846cc278e03e1c61bb6; __omc_chl=; uva=s%3A78%3A%22a%3A3%3A%7Bs%3A2%3A%22lt%22%3Bi%3A1693130156%3Bs%3A10%3A%22last_refer%22%3Bs%3A6%3A%22direct%22%3Bs%3A5%3A%22rhost%22%3Bs%3A0%3A%22%22%3B%7D%22%3B; __mfwurd=a%3A3%3A%7Bs%3A6%3A%22f_time%22%3Bi%3A1693130156%3Bs%3A9%3A%22f_rdomain%22%3Bs%3A0%3A%22%22%3Bs%3A6%3A%22f_host%22%3Bs%3A1%3A%22m%22%3B%7D; __mfwuuid=64eb1da8-8521-9c4d-e53f-549f1707ae9d; Hm_lvt_8288b2ed37e5bc9b4c9f7008798d2de0=1693130110; __jsluid_h=d48cdf1cd37c526aff0e920e0d2792cd; _r=baidu; _rp=a%3A2%3A%7Bs%3A1%3A%22p%22%3Bs%3A18%3A%22www.baidu.com%2Flink%22%3Bs%3A1%3A%22t%22%3Bi%3A1693152215%3B%7D; oad_n=a%3A3%3A%7Bs%3A3%3A%22oid%22%3Bi%3A1029%3Bs%3A2%3A%22dm%22%3Bs%3A15%3A%22www.mafengwo.cn%22%3Bs%3A2%3A%22ft%22%3Bs%3A19%3A%222023-09-01+15%3A43%3A55%22%3B%7D; __mfwothchid=referrer%7Cgraph.qq.com; __mfwc=referrer%7Cgraph.qq.com; source=ug-seo-baidu; __mfwa=1693130109553.88261.9.1693985801160.1693994064165; __mfwlv=1693994077; __mfwvn=7; PHPSESSID=u26qglteee1rervdl3qjkdcio2; cc=UGD64EB13557721691693994720267; tt=https%3A%2F%2Fm.mafengwo.cn%2Fmweng%2Fwengdetailssr%2Fweng%3Fid%3D1773769193088741; current_url=https%3A%2F%2Fm.mafengwo.cn%2Fmweng%2Fwengdetailssr%2Fweng%3Fid%3D1773769193088741; source_data=%7B%22event_id%22%3A%22UGD64EB13557721691693994720267%22%2C%22uuid%22%3A%2264eb1da8-8521-9c4d-e53f-549f1707ae9d%22%2C%22share_uuid%22%3A%22%22%2C%22wake_way%22%3A%22deeplink%22%2C%22UA%22%3A%22chrome%22%2C%22platform%22%3A%22h5%22%7D; login=mafengwo; mafengwo=a5b3db0014be706dfd526b2caefa7c7d_48962020_64f84f82e0fad5.64753152_64f84f82e0fb18.72235284; mfw_uid=48962020; __omc_r=; isDownClick_adis_baidu=1; uol_throttle=48962020; __mfwb=911a41143380.36.direct; __mfwlt=1693996602; Hm_lpvt_8288b2ed37e5bc9b4c9f7008798d2de0=1693996603
Host: m.mafengwo.cn
Referer: https://m.mafengwo.cn/
If-None-Match: "134d2-HHwHczscw3rZb4benfT8RU07r9Y"
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: same-origin
Sec-Fetch-User: ?1
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (iPad; CPU OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/87.0.4280.77 Mobile/15E148 Safari/604.1"""
headers = parse_header(raw_header)
raw_headers_redirect = """Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.9
Connection: keep-alive
Cookie: mfw_uuid=64eb1da8-8521-9c4d-e53f-549f1707ae9d; __jsluid_s=031ee6a4fa6fc894672202e65a675654; __omc_chl=; uva=s%3A78%3A%22a%3A3%3A%7Bs%3A2%3A%22lt%22%3Bi%3A1693130156%3Bs%3A10%3A%22last_refer%22%3Bs%3A6%3A%22direct%22%3Bs%3A5%3A%22rhost%22%3Bs%3A0%3A%22%22%3B%7D%22%3B; __mfwurd=a%3A3%3A%7Bs%3A6%3A%22f_time%22%3Bi%3A1693130156%3Bs%3A9%3A%22f_rdomain%22%3Bs%3A0%3A%22%22%3Bs%3A6%3A%22f_host%22%3Bs%3A1%3A%22m%22%3B%7D; __mfwuuid=64eb1da8-8521-9c4d-e53f-549f1707ae9d; Hm_lvt_8288b2ed37e5bc9b4c9f7008798d2de0=1693130110; __jsluid_h=20fcae4ddd766728c5073d0f7c2bf67f; _r=baidu; _rp=a%3A2%3A%7Bs%3A1%3A%22p%22%3Bs%3A18%3A%22www.baidu.com%2Flink%22%3Bs%3A1%3A%22t%22%3Bi%3A1693152215%3B%7D; __mfwothchid=referrer%7Cgraph.qq.com; PHPSESSID=u26qglteee1rervdl3qjkdcio2; login=mafengwo; mafengwo=a5b3db0014be706dfd526b2caefa7c7d_48962020_64f84f82e0fad5.64753152_64f84f82e0fb18.72235284; mfw_uid=48962020; __omc_r=; __mfwc=direct; oad_n=a%3A3%3A%7Bs%3A3%3A%22oid%22%3Bi%3A1029%3Bs%3A2%3A%22dm%22%3Bs%3A18%3A%22tongji.mafengwo.cn%22%3Bs%3A2%3A%22ft%22%3Bs%3A19%3A%222023-09-09+01%3A11%3A32%22%3B%7D; source=ug-direct; tt=https%3A%2F%2Fm.mafengwo.cn%2Fmweng%2Fwengdetailssr%2Fweng%3Fid%3D1761619730137275; current_url=https%3A%2F%2Fm.mafengwo.cn%2Fmweng%2Fwengdetailssr%2Fweng%3Fid%3D1761619730137275; bottom_ad_status=1; cc=UGD64EB13557721691694249515697; source_data=%7B%22event_id%22%3A%22UGD64EB13557721691694249515697%22%2C%22uuid%22%3A%2264eb1da8-8521-9c4d-e53f-549f1707ae9d%22%2C%22share_uuid%22%3A%22%22%2C%22wake_way%22%3A%22deeplink%22%2C%22UA%22%3A%22chrome%22%2C%22platform%22%3A%22h5%22%7D; __mfwa=1693130109553.88261.12.1694245328857.1694252701941; __mfwlv=1694252701; __mfwvn=10; uol_throttle=48962020; __mfwlt=1694254215; __mfwb=c34a29e01b15.4.direct; Hm_lpvt_8288b2ed37e5bc9b4c9f7008798d2de0=1694254216
Host: www.mafengwo.cn
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Sec-Fetch-User: ?1
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (iPad; CPU OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/87.0.4280.77 Mobile/15E148 Safari/604.1"""
headers_redirect = parse_header(raw_headers_redirect)
raw_headers_redirect2 = """
:authority:
imfw.cn
:method:
GET
:path:
/l/309965902
:scheme:
https
Accept:
text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Accept-Encoding:
gzip, deflate, br
Accept-Language:
zh-CN,zh;q=0.9
Sec-Fetch-Dest:
document
Sec-Fetch-Mode:
navigate
Sec-Fetch-Site:
none
Sec-Fetch-User:
?1
Upgrade-Insecure-Requests:
1
User-Agent:
Mozilla/5.0 (iPad; CPU OS 13_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) CriOS/87.0.4280.77 Mobile/15E148 Safari/604.1
"""
headers_redirect2 = parse_header2(raw_headers_redirect2)
cookies = []
class MFWScraper:
def __init__(self):
pass
def _extract_note(self, url):
resp = requests.get(url, headers=headers, cookies=cookies)
if resp.status_code not in [200]:
raise ValueError(f"HTTP response failed with status code {resp.status_code}")
soup = BeautifulSoup(resp.content, 'lxml')
# x = soup.find_all('img')[0]["src"]
title = soup.find_all(partial(class_starts_with, prefix="css_note_title"))[0].text
pois = soup.find_all(partial(class_starts_with, prefix="poiAndRelated_poiText"))
pois = [poi.text for poi in pois]
avatar_url = soup.find(partial(class_starts_with, prefix="avatar_avatar"))["style"]
avatar_url = re.findall(r"background-image:url\(((.*).jpeg)", avatar_url)
if avatar_url:
avatar = avatar_url[0][0]
else:
avatar = None
city_str = soup.find_all(partial(class_starts_with, prefix="poiAndRelated_mdd_text"))
if city_str:
city = city_str[0].text
else:
city = None
author = soup.find_all(partial(class_starts_with, prefix="topbar_textOverFlow"))[0].text
text_list = soup.find_all(partial(class_starts_with, prefix="contentParser_note_content"))
content = text_list[0].text
interact = soup.find_all(partial(class_starts_with, prefix="bottomBtns_num"))
likedCount = interact[0].text if interact[0].text != "" else "0"
commentCount = interact[1].text if interact[1].text != "" else "0"
collectedCount = interact[2].text if interact[2].text != "" else "0"
imgs = [x["src"] for x in soup.find_all(alt="poster")]
raw_comments = [x.text for x in text_list[1:]]
comment_authors = soup.find_all(partial(class_starts_with, prefix="reply_textOverFlow"))
comments = [
{
"content": com,
"user": auth.text.strip("："),
"is_from_author": auth.text == author
}
for com, auth in zip(raw_comments, comment_authors)
]
date = soup.find_all(partial(class_starts_with, prefix="time_note_time"))[0].text
date = date.split()[1]
trip_info_tags = soup.find_all(partial(class_starts_with, prefix="structInfo_strcut_list"))
if trip_info_tags:
trip_info_list = []
for child in trip_info_tags[0].children:
for child_2 in child.children:
trip_info_list.append(child_2.text)
trip_infos = {}
for i in range(0, len(trip_info_list), 2):
trip_infos[trip_info_list[i]] = trip_info_list[i+1] # 可能有“-”，“xxxxx...”
else:
trip_infos = None
return {
"source_platform": "mfw",
"url": url,
"title": title,
"content": content,
"img_urls": imgs,
"pois": pois,
"author": {
"nickname": author,
"avatar": avatar,
"city": city
},
'liked_count': likedCount,
'collected_count': collectedCount,
'comment_count': commentCount,
"comments": comments,
"time": date,
"trip_infos" : trip_infos
}
def extract_post_content(self, url):
original_url = url
if "imfw.cn" in url:
# imfw.cn urls redirects to mafengwo.cn
resp = requests.get(url, headers=headers_redirect2)
url = resp.url
if '/mweng/' in url:
return self._extract_note(url)
else:
raise NotImplementedError(f"Unsupported MFW URL: {url}. ") # 仅支持马蜂窝笔记
if __name__ == '__main__':
urls = [
"https://imfw.cn/l/303836890", # 笔记 跳转至
"https://m.mafengwo.cn/mweng/wengdetailssr/weng?id=1761619730137275"
]
for url in urls:
pprint(MFWScraper().extract_post_content(url))