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fb_scraper.py
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from bs4 import BeautifulSoup as Soup
from lxml import html
import facebook_scraper as fs
import re
from func import load_file, save_file
import asyncio
import time
import requests
from urllib.parse import urlencode
def crawl_fb():
settings = load_file('settings.json')
username = settings['fb_username']
password = settings['fb_pwd']
session = requests.Session()
headers = {
'Host': 'www.facebook.com',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/113.0',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8',
'Accept-Language': 'en-US,en;q=0.5',
'Accept-Encoding': 'gzip, deflate',
'Upgrade-Insecure-Requests': '1',
'Sec-Fetch-Dest': 'document',
'Sec-Fetch-Mode': 'navigate',
'Sec-Fetch-Site': 'none',
'Sec-Fetch-User': '?1',
'Connection': 'close',
}
response = session.get('https://www.facebook.com/', headers=headers)
fr=response.cookies['fr']
sb=response.cookies['sb']
_datr=response.text.split('"_js_datr","')[1].split('"')[0]
_token=response.text.split('privacy_mutation_token=')[1].split('"')[0]
_jago=response.text.split('"jazoest" value="')[1].split('"')[0]
_lsd=response.text.split('name="lsd" value="')[1].split('"')[0]
cookies = {
'fr': fr,
'sb': sb,
'_js_datr': _datr,
'wd': '717x730',
'dpr': '1.25',
}
data = urlencode({
'jazoest': _jago,
'lsd': _lsd,
'email': username,
'login_source': 'comet_headerless_login',
'next': '',
'encpass': f'#PWD_BROWSER:0:{round(time.time())}:{password}',
})
headers = {
'Host': 'www.facebook.com',
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/113.0',
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8',
'Accept-Language': 'en-US,en;q=0.5',
'Accept-Encoding': 'gzip, deflate',
'Referer': 'https://www.facebook.com/',
'Content-Type': 'application/x-www-form-urlencoded',
'Content-Length': str(len(data)),
'Origin': 'https://www.facebook.com',
'Upgrade-Insecure-Requests': '1',
'Sec-Fetch-Dest': 'document',
'Sec-Fetch-Mode': 'navigate',
'Sec-Fetch-Site': 'same-origin',
'Sec-Fetch-User': '?1',
}
response = session.post(f'https://www.facebook.com/login/?privacy_mutation_token={_token}', cookies=cookies, headers=headers, data=data)
print(response.cookies.get_dict())
if 'should_show_close_friend_badge":false' in response.text:
print('Login Success ')
else:
print(response.content)
black_hchs_url = 'https://mbasic.facebook.com/profile.php?id=100090573221915&v=timeline'
response = session.get(black_hchs_url)
url_next = ''
for i in range(3):
soup = Soup(response.content, "lxml")
articles = soup.find_all('div', {'data-ft': True})
# 貼文連結
urls = []
# 貼文圖片連結
urls2 = []
# 正常貼文連結
urls3 = []
for article in articles:
#每一篇貼文
temp = []
article_tree = html.fromstring(article)
article_id = article.get('id')
xpath_to_find1 = f'//*[@id="{article_id}"]/footer/div[2]/a[3]'
xpath_to_find2 = f'//*[@id="{article_id}"]/div/div[2]/div[1]/a'
elements1 = article_tree.xpath(xpath_to_find1)
elements2 = article_tree.xpath(xpath_to_find2)
for element in elements1:
urls.append('https://mbasic.facebook.com' + element.get('href'))
urls3.append('https://www.facebook.com' + element.get('href'))
for element in elements2:
temp.append('https://mbasic.facebook.com' + element.get('href'))
urls2.append(temp)
# urls2 = [[貼文一], [貼文二], [貼文三 ]]
for urla in urls2:
for item in urla:
item_response = session.get(item)
item_index = urla.index(item)
soup = Soup(item_response.content, "lxml")
image_tree1 = html.fromstring(item_response.text)
xpath_to_find = '/html/body/div/div/div[2]/div/div[1]/div'
image_id1 = image_tree1.xpath(xpath_to_find)[0].get('id')
image = soup.find('div', id=image_id1)
image_tree = html.fromstring(image)
image_id = image.get('id')
xpath_to_find = f'//*[@id="{image_id}"]/div/div[1]/div/div[1]/div/img'
elements = image_tree.xpath(xpath_to_find)
for element in elements:
urla[item_index] = element.get('src')
posts = fs.get_posts(
post_urls=urls3,
credentials=(username, password),
options={"comments": True, "reactors": True, "allow_extra_requests": True}
)
post_data = load_file('black_hchs.json')
for post, urll in zip(posts, urls2):
number_match = re.search(r'#黑色麻中(\d+)', post['post_text'])
if number_match:
number = number_match.group(1)
date_match = re.search(r'投稿日期： (.+)', post['post_text'])
date = date_match.group(1) if date_match else None
if number in post_data:
post_data[number]['commments_full'] = post['comments_full']
post_data[number]['commments'] = post['comments']
post_data[number]['reactions'] = post['reactions']
post_data[number]['reactors'] = post['reactors']
save_file('black_hchs.json', post_data)
else:
post_data.update({
number: {
"date": date,
"content": post['post_text'],
"images": urll,
"comments": post['comments'],
"comments_full": post['comments_full'],
"reactions": post['reactions'],
"reactors": post['reactors']
}
})
save_file('black_hchs.json', post_data)
if i == 0:
url = 'https://mbasic.facebook.com/profile.php?id=100090573221915&v=timeline'
response = session.get(url)
read_more_xpath = '/html/body/div/div/div[2]/div/div[1]/div[3]/div[2]/div/div[1]/a'
buttons = html.fromstring(response.content).xpath(read_more_xpath)
for button in buttons:
url_next= button.get('href')
response = session.get('https://mbasic.facebook.com' + url_next)
else:
response = session.get('https://mbasic.facebook.com' + url_next)
read_more_xpath = '/html/body/div/div/div[1]/div/table/tbody/tr/td/div/div[1]/a'
buttons = html.fromstring(response.content).xpath(read_more_xpath)
for button in buttons:
url_next= button.get('href')
response = session.get('https://mbasic.facebook.com' + url_next)