mirror of
https://gitee.com/g1879/DrissionPage.git
synced 2024-12-10 04:00:23 +08:00
358 lines
12 KiB
Python
358 lines
12 KiB
Python
# -*- coding:utf-8 -*-
|
||
"""
|
||
@Author : g1879
|
||
@Contact : g1879@qq.com
|
||
@Copyright: (c) 2024 by g1879, Inc. All Rights Reserved.
|
||
@License : BSD 3-Clause.
|
||
"""
|
||
from datetime import datetime
|
||
from html import unescape
|
||
from http.cookiejar import Cookie
|
||
from re import sub
|
||
from urllib.parse import urlparse, urljoin, urlunparse
|
||
|
||
from requests.cookies import RequestsCookieJar
|
||
from tldextract import extract
|
||
|
||
|
||
def get_ele_txt(e):
|
||
"""获取元素内所有文本
|
||
:param e: 元素对象
|
||
:return: 元素内所有文本
|
||
"""
|
||
# 前面无须换行的元素
|
||
nowrap_list = ('br', 'sub', 'sup', 'em', 'strong', 'a', 'font', 'b', 'span', 's', 'i', 'del', 'ins', 'img', 'td',
|
||
'th', 'abbr', 'bdi', 'bdo', 'cite', 'code', 'data', 'dfn', 'kbd', 'mark', 'q', 'rp', 'rt', 'ruby',
|
||
'samp', 'small', 'time', 'u', 'var', 'wbr', 'button', 'slot', 'content')
|
||
# 后面添加换行的元素
|
||
wrap_after_list = ('p', 'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'ol', 'li', 'blockquote', 'header',
|
||
'footer', 'address' 'article', 'aside', 'main', 'nav', 'section', 'figcaption', 'summary')
|
||
# 不获取文本的元素
|
||
noText_list = ('script', 'style', 'video', 'audio', 'iframe', 'embed', 'noscript', 'canvas', 'template')
|
||
# 用/t分隔的元素
|
||
tab_list = ('td', 'th')
|
||
|
||
if e.tag in noText_list:
|
||
return e.raw_text
|
||
|
||
def get_node_txt(ele, pre: bool = False):
|
||
tag = ele.tag
|
||
if tag == 'br':
|
||
return [True]
|
||
if not pre and tag == 'pre':
|
||
pre = True
|
||
|
||
str_list = []
|
||
if tag in noText_list and not pre: # 标签内的文本不返回
|
||
return str_list
|
||
|
||
nodes = ele.eles('xpath:./text() | *')
|
||
prev_ele = ''
|
||
for el in nodes:
|
||
if isinstance(el, str): # 字符节点
|
||
if pre:
|
||
str_list.append(el)
|
||
|
||
else:
|
||
if sub('[ \n\t\r]', '', el) != '': # 字符除了回车和空格还有其它内容
|
||
txt = el
|
||
if not pre:
|
||
txt = txt.replace('\r\n', ' ').replace('\n', ' ').strip(' ')
|
||
txt = sub(r' {2,}', ' ', txt)
|
||
str_list.append(txt)
|
||
|
||
else: # 元素节点
|
||
if el.tag not in nowrap_list and str_list and str_list[-1] != '\n': # 元素间换行的情况
|
||
str_list.append('\n')
|
||
if el.tag in tab_list and prev_ele in tab_list: # 表格的行
|
||
str_list.append('\t')
|
||
|
||
str_list.extend(get_node_txt(el, pre))
|
||
prev_ele = el.tag
|
||
|
||
if tag in wrap_after_list and str_list and str_list[-1] not in ('\n', True): # 有些元素后面要添加回车
|
||
str_list.append('\n')
|
||
|
||
return str_list
|
||
|
||
re_str = get_node_txt(e)
|
||
if re_str and re_str[-1] == '\n':
|
||
re_str.pop()
|
||
re_str = ''.join([i if i is not True else '\n' for i in re_str])
|
||
return format_html(re_str)
|
||
|
||
|
||
def format_html(text):
|
||
"""处理html编码字符
|
||
:param text: html文本
|
||
:return: 格式化后的html文本
|
||
"""
|
||
return unescape(text).replace('\xa0', ' ') if text else text
|
||
|
||
|
||
def location_in_viewport(page, loc_x, loc_y):
|
||
"""判断给定的坐标是否在视口中 |n
|
||
:param page: ChromePage对象
|
||
:param loc_x: 页面绝对坐标x
|
||
:param loc_y: 页面绝对坐标y
|
||
:return: bool
|
||
"""
|
||
js = f'''function(){{var x = {loc_x}; var y = {loc_y};
|
||
const scrollLeft = document.documentElement.scrollLeft;
|
||
const scrollTop = document.documentElement.scrollTop;
|
||
const vWidth = document.documentElement.clientWidth;
|
||
const vHeight = document.documentElement.clientHeight;
|
||
if (x< scrollLeft || y < scrollTop || x > vWidth + scrollLeft || y > vHeight + scrollTop){{return false;}}
|
||
return true;}}'''
|
||
return page.run_js(js)
|
||
|
||
|
||
def offset_scroll(ele, offset_x, offset_y):
|
||
"""接收元素及偏移坐标，把坐标滚动到页面中间，返回该点在视口中的坐标
|
||
有偏移量时以元素左上角坐标为基准，没有时以click_point为基准
|
||
:param ele: 元素对象
|
||
:param offset_x: 偏移量x
|
||
:param offset_y: 偏移量y
|
||
:return: 视口中的坐标
|
||
"""
|
||
loc_x, loc_y = ele.rect.location
|
||
cp_x, cp_y = ele.rect.click_point
|
||
lx = loc_x + offset_x if offset_x else cp_x
|
||
ly = loc_y + offset_y if offset_y else cp_y
|
||
if not location_in_viewport(ele.page, lx, ly):
|
||
clientWidth = ele.page.run_js('return document.body.clientWidth;')
|
||
clientHeight = ele.page.run_js('return document.body.clientHeight;')
|
||
ele.page.scroll.to_location(lx - clientWidth // 2, ly - clientHeight // 2)
|
||
cl_x, cl_y = ele.rect.viewport_location
|
||
ccp_x, ccp_y = ele.rect.viewport_click_point
|
||
cx = cl_x + offset_x if offset_x else ccp_x
|
||
cy = cl_y + offset_y if offset_y else ccp_y
|
||
return cx, cy
|
||
|
||
|
||
def make_absolute_link(link, baseURI=None):
|
||
"""获取绝对url
|
||
:param link: 超链接
|
||
:param baseURI: 页面或iframe的url
|
||
:return: 绝对链接
|
||
"""
|
||
if not link:
|
||
return link
|
||
|
||
link = link.strip()
|
||
parsed = urlparse(link)._asdict()
|
||
|
||
# 是相对路径，与页面url拼接并返回
|
||
if not parsed['netloc']:
|
||
return urljoin(baseURI, link) if baseURI else link
|
||
|
||
# 是绝对路径但缺少协议，从页面url获取协议并修复
|
||
if not parsed['scheme'] and baseURI:
|
||
parsed['scheme'] = urlparse(baseURI).scheme
|
||
parsed = tuple(v for v in parsed.values())
|
||
return urlunparse(parsed)
|
||
|
||
# 绝对路径且不缺协议，直接返回
|
||
return link
|
||
|
||
|
||
def is_js_func(func):
|
||
"""检查文本是否js函数"""
|
||
func = func.strip()
|
||
if (func.startswith('function') or func.startswith('async ')) and func.endswith('}'):
|
||
return True
|
||
elif '=>' in func:
|
||
return True
|
||
return False
|
||
|
||
|
||
def cookie_to_dict(cookie):
|
||
"""把Cookie对象转为dict格式
|
||
:param cookie: Cookie对象、字符串或字典
|
||
:return: cookie字典
|
||
"""
|
||
if isinstance(cookie, Cookie):
|
||
cookie_dict = cookie.__dict__.copy()
|
||
cookie_dict.pop('rfc2109', None)
|
||
cookie_dict.pop('_rest', None)
|
||
return cookie_dict
|
||
|
||
elif isinstance(cookie, dict):
|
||
cookie_dict = cookie
|
||
|
||
elif isinstance(cookie, str):
|
||
cookie = cookie.rstrip(';,').split(',' if ',' in cookie else ';')
|
||
cookie_dict = {}
|
||
|
||
for key, attr in enumerate(cookie):
|
||
attr_val = attr.lstrip().split('=', 1)
|
||
|
||
if key == 0:
|
||
cookie_dict['name'] = attr_val[0]
|
||
cookie_dict['value'] = attr_val[1] if len(attr_val) == 2 else ''
|
||
else:
|
||
cookie_dict[attr_val[0]] = attr_val[1] if len(attr_val) == 2 else ''
|
||
|
||
return cookie_dict
|
||
|
||
else:
|
||
raise TypeError('cookie参数必须为Cookie、str或dict类型。')
|
||
|
||
return cookie_dict
|
||
|
||
|
||
def cookies_to_tuple(cookies):
|
||
"""把cookies转为tuple格式
|
||
:param cookies: cookies信息，可为CookieJar, list, tuple, str, dict
|
||
:return: 返回tuple形式的cookies
|
||
"""
|
||
if isinstance(cookies, (list, tuple, RequestsCookieJar)):
|
||
cookies = tuple(cookie_to_dict(cookie) for cookie in cookies)
|
||
|
||
elif isinstance(cookies, str):
|
||
cookies = tuple(cookie_to_dict(c.lstrip()) for c in cookies.rstrip(';,').split(',' if ',' in cookies else ';'))
|
||
|
||
elif isinstance(cookies, dict):
|
||
cookies = tuple({'name': cookie, 'value': cookies[cookie]} for cookie in cookies)
|
||
|
||
else:
|
||
raise TypeError('cookies参数必须为RequestsCookieJar、list、tuple、str或dict类型。')
|
||
|
||
return cookies
|
||
|
||
|
||
def set_session_cookies(session, cookies):
|
||
"""设置Session对象的cookies
|
||
:param session: Session对象
|
||
:param cookies: cookies信息
|
||
:return: None
|
||
"""
|
||
cookies = cookies_to_tuple(cookies)
|
||
for cookie in cookies:
|
||
if cookie['value'] is None:
|
||
cookie['value'] = ''
|
||
|
||
kwargs = {x: cookie[x] for x in cookie
|
||
if x.lower() in ('version', 'port', 'domain', 'path', 'secure',
|
||
'expires', 'discard', 'comment', 'comment_url', 'rest')}
|
||
|
||
if 'expiry' in cookie:
|
||
kwargs['expires'] = cookie['expiry']
|
||
|
||
session.cookies.set(cookie['name'], cookie['value'], **kwargs)
|
||
|
||
|
||
def set_browser_cookies(page, cookies):
|
||
"""设置cookies值
|
||
:param page: 页面对象
|
||
:param cookies: cookies信息
|
||
:return: None
|
||
"""
|
||
for cookie in cookies_to_tuple(cookies):
|
||
if 'expiry' in cookie:
|
||
cookie['expires'] = int(cookie['expiry'])
|
||
cookie.pop('expiry')
|
||
|
||
if 'expires' in cookie:
|
||
if not cookie['expires']:
|
||
cookie.pop('expires')
|
||
|
||
elif isinstance(cookie['expires'], str):
|
||
if cookie['expires'].isdigit():
|
||
cookie['expires'] = int(cookie['expires'])
|
||
|
||
elif cookie['expires'].replace('.', '').isdigit():
|
||
cookie['expires'] = float(cookie['expires'])
|
||
|
||
else:
|
||
try:
|
||
cookie['expires'] = datetime.strptime(cookie['expires'],
|
||
'%a, %d %b %Y %H:%M:%S GMT').timestamp()
|
||
except ValueError:
|
||
cookie['expires'] = datetime.strptime(cookie['expires'],
|
||
'%a, %d %b %y %H:%M:%S GMT').timestamp()
|
||
|
||
if cookie['value'] is None:
|
||
cookie['value'] = ''
|
||
elif not isinstance(cookie['value'], str):
|
||
cookie['value'] = str(cookie['value'])
|
||
if cookie['name'].startswith('__Secure-'):
|
||
cookie['secure'] = True
|
||
|
||
if cookie['name'].startswith('__Host-'):
|
||
cookie['path'] = '/'
|
||
cookie['secure'] = True
|
||
cookie['url'] = page.url
|
||
page.run_cdp_loaded('Network.setCookie', **cookie)
|
||
continue # 不用设置域名，可退出
|
||
|
||
if cookie.get('domain', None):
|
||
try:
|
||
page.run_cdp_loaded('Network.setCookie', **cookie)
|
||
if is_cookie_in_driver(page, cookie):
|
||
continue
|
||
except Exception:
|
||
pass
|
||
|
||
ex_url = extract(page._browser_url)
|
||
d_list = ex_url.subdomain.split('.')
|
||
d_list.append(f'{ex_url.domain}.{ex_url.suffix}' if ex_url.suffix else ex_url.domain)
|
||
|
||
tmp = [d_list[0]]
|
||
if len(d_list) > 1:
|
||
for i in d_list[1:]:
|
||
tmp.append('.')
|
||
tmp.append(i)
|
||
|
||
for i in range(len(tmp)):
|
||
d = ''.join(tmp[i:])
|
||
cookie['domain'] = d
|
||
page.run_cdp_loaded('Network.setCookie', **cookie)
|
||
if is_cookie_in_driver(page, cookie):
|
||
break
|
||
|
||
|
||
def is_cookie_in_driver(page, cookie):
|
||
"""查询cookie是否在浏览器内
|
||
:param page: BasePage对象
|
||
:param cookie: dict格式cookie
|
||
:return: bool
|
||
"""
|
||
if 'domain' in cookie:
|
||
for c in page.get_cookies(all_domains=True):
|
||
if cookie['name'] == c['name'] and cookie['value'] == c['value'] and cookie['domain'] == c.get('domain',
|
||
None):
|
||
return True
|
||
else:
|
||
for c in page.get_cookies(all_domains=True):
|
||
if cookie['name'] == c['name'] and cookie['value'] == c['value']:
|
||
return True
|
||
return False
|
||
|
||
|
||
def get_blob(page, url, base64_to_bytes=True):
|
||
if not url.startswith('blob'):
|
||
return None
|
||
js = """
|
||
function fetchData(url) {
|
||
return new Promise((resolve, reject) => {
|
||
var xhr = new XMLHttpRequest();
|
||
xhr.responseType = 'blob';
|
||
xhr.onload = function() {
|
||
var reader = new FileReader();
|
||
reader.onloadend = function(){resolve(reader.result);}
|
||
reader.readAsDataURL(xhr.response);
|
||
};
|
||
xhr.open('GET', url, true);
|
||
xhr.send();
|
||
});
|
||
}
|
||
"""
|
||
try:
|
||
result = page.run_js(js, url)
|
||
except:
|
||
return None
|
||
if base64_to_bytes:
|
||
from base64 import b64decode
|
||
return b64decode(result.split(',', 1)[-1])
|