PyComicPackRouMan/utils/HtmlUtils.py
2022-12-16 12:44:49 +08:00

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from fake_useragent import UserAgent
import requests
from lxml import html
import traceback
import time
from urllib3.util.retry import Retry
from requests.adapters import HTTPAdapter
from utils.Ntfy import ntfy
class htmlUtils:
headers = {'User-Agent': UserAgent().random}
url_data = {}
@classmethod
def getHTML(cls, curl,type=None):
rstr = r"[\/\\\:\*\?\"\<\>\|\.]" #  '/ \ : * ? " < > |'
#file_url = re.sub(rstr, "_", curl)
keys = cls.url_data.keys()
url_text = cls.url_data.get(curl)
retries = Retry(total=3,
backoff_factor=0.1,
status_forcelist=[ 500, 502, 503, 504 ])
s = requests.Session()
s.mount('http://', HTTPAdapter(max_retries=retries))
s.mount('https://', HTTPAdapter(max_retries=retries))
count = 1
#数据为空则获取数据
while url_text == None:
if count <= 10:
try:
print(f"请求地址:{curl}")
res = s.get(curl,stream=True, headers=cls.headers, timeout=50)
if type == "bytes":
return res
if type == "json":
return res.json()
else:
url_text = html.fromstring(res.text)
except:
ntfy.sendMsg(f'Retry! 第{count}')
time.sleep(3)
traceback.print_exc()
count += 1
continue
else:
ntfy.sendMsg(f"fail 请求失败:{curl}")
break
if type == "None":
data = { curl : url_text}
cls.url_data.update(data)
return url_text
@classmethod
def getBytes(cls, url):
return cls.getHTML(url,type="bytes")
@classmethod
def getJSON(cls,curl):
cls.getHTML(curl, type="json")
@classmethod
def xpathData(cls,c_xpath,url=None,num=None,not_eq=None):
if url == None:
url = cls.temp_url
else:
cls.temp_url = url
result = []
#获取html实体数据
et = cls.getHTML(url)
#比对数据
count = 1
xpaths = et.xpath(c_xpath)
for x in xpaths:
if not x == not_eq:
result.append(x)
count +=1
if not num == None:
try:
result = result[num]
except:
result = None
return result