DrissionPage/DrissionPage/chromium_tab.py

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# -*- coding:utf-8 -*-
"""
@Author : g1879
@Contact : g1879@qq.com
"""
from copy import copy
from .chromium_base import ChromiumBase, ChromiumBaseSetter
from .commons.web import set_session_cookies, set_browser_cookies
from .session_page import SessionPage, SessionPageSetter, DownloadSetter
class ChromiumTab(ChromiumBase):
"""实现浏览器标签页的类"""
def __init__(self, page, tab_id=None):
"""
:param page: ChromiumPage对象
:param tab_id: 要控制的标签页id不指定默认为激活的
"""
self.page = page
super().__init__(page.address, tab_id, page.timeout)
def _set_runtime_settings(self):
"""重写设置浏览器运行参数方法"""
self._timeouts = self.page.timeouts
self.retry_times = self.page.retry_times
self.retry_interval = self.page.retry_interval
self._page_load_strategy = self.page.page_load_strategy
@property
def rect(self):
"""返回获取窗口坐标和大小的对象"""
return self.page.rect
class WebPageTab(SessionPage, ChromiumTab):
def __init__(self, page, tab_id):
"""
:param page: WebPage对象
:param tab_id: 要控制的标签页id
"""
self.page = page
self.address = page.address
self._debug = page._debug
self._debug_recorder = page._debug_recorder
self._mode = 'd'
self._has_driver = True
self._has_session = True
self._session = copy(page.session)
self._response = None
self._download_set = None
self._download_path = None
self._set = None
super(SessionPage, self)._set_runtime_settings()
self._connect_browser(tab_id)
def __call__(self, loc_or_str, timeout=None):
"""在内部查找元素
ele = page('@id=ele_id')
:param loc_or_str: 元素的定位信息可以是loc元组或查询字符串
:param timeout: 超时时间
:return: 子元素对象
"""
if self._mode == 'd':
return super(SessionPage, self).__call__(loc_or_str, timeout)
elif self._mode == 's':
return super().__call__(loc_or_str)
@property
def url(self):
"""返回当前url"""
if self._mode == 'd':
return self._browser_url
elif self._mode == 's':
return self._session_url
@property
def _browser_url(self):
"""返回浏览器当前url"""
return super(SessionPage, self).url if self._tab_obj else None
@property
def title(self):
"""返回当前页面title"""
if self._mode == 's':
return super().title
elif self._mode == 'd':
return super(SessionPage, self).title
@property
def html(self):
"""返回页面html文本"""
if self._mode == 's':
return super().html
elif self._mode == 'd':
return super(SessionPage, self).html if self._has_driver else ''
@property
def json(self):
"""当返回内容是json格式时返回对应的字典"""
if self._mode == 's':
return super().json
elif self._mode == 'd':
return super(SessionPage, self).json
@property
def response(self):
"""返回 s 模式获取到的 Response 对象,切换到 s 模式"""
return self._response
@property
def mode(self):
"""返回当前模式,'s''d' """
return self._mode
@property
def cookies(self):
"""以dict方式返回cookies"""
return super().cookies
@property
def session(self):
"""返回Session对象如未初始化则按配置信息创建"""
if self._session is None:
self._create_session()
return self._session
@property
def _session_url(self):
"""返回 session 保存的url"""
return self._response.url if self._response else None
@property
def timeout(self):
"""返回通用timeout设置"""
return self.timeouts.implicit
@timeout.setter
def timeout(self, second):
"""设置通用超时时间
:param second: 秒数
:return: None
"""
self.set.timeouts(implicit=second)
@property
def set(self):
"""返回用于等待的对象"""
if self._set is None:
self._set = WebPageTabSetter(self)
return self._set
@property
def download_set(self):
"""返回下载设置对象"""
if self._download_set is None:
self._download_set = WebPageTabDownloadSetter(self)
return self._download_set
@property
def download(self):
"""返回下载器对象"""
return self.download_set._switched_DownloadKit
def get(self, url, show_errmsg=False, retry=None, interval=None, timeout=None, **kwargs):
"""跳转到一个url
:param url: 目标url
:param show_errmsg: 是否显示和抛出异常
:param retry: 重试次数
:param interval: 重试间隔(秒)
:param timeout: 连接超时时间(秒)
:param kwargs: 连接参数s模式专用
:return: url是否可用d模式返回None时表示不确定
"""
if self._mode == 'd':
return super(SessionPage, self).get(url, show_errmsg, retry, interval, timeout)
elif self._mode == 's':
if timeout is None:
timeout = self.timeouts.page_load if self._has_driver else self.timeout
return super().get(url, show_errmsg, retry, interval, timeout, **kwargs)
def post(self, url: str, data=None, show_errmsg=False, retry=None, interval=None, **kwargs):
"""用post方式跳转到url会切换到s模式
:param url: 目标url
:param data: post方式时提交的数据
:param show_errmsg: 是否显示和抛出异常
:param retry: 重试次数
:param interval: 重试间隔(秒)
:param kwargs: 连接参数
:return: url是否可用
"""
if self.mode == 'd':
self.cookies_to_session()
return super().post(url, data, show_errmsg, retry, interval, **kwargs)
def ele(self, loc_or_ele, timeout=None):
"""返回第一个符合条件的元素、属性或节点文本
:param loc_or_ele: 元素的定位信息可以是元素对象loc元组或查询字符串
:param timeout: 查找元素超时时间,默认与页面等待时间一致
:return: 元素对象或属性、文本节点文本
"""
if self._mode == 's':
return super().ele(loc_or_ele)
elif self._mode == 'd':
return super(SessionPage, self).ele(loc_or_ele, timeout=timeout)
def eles(self, loc_or_str, timeout=None):
"""返回页面中所有符合条件的元素、属性或节点文本
:param loc_or_str: 元素的定位信息可以是loc元组或查询字符串
:param timeout: 查找元素超时时间,默认与页面等待时间一致
:return: 元素对象或属性、文本组成的列表
"""
if self._mode == 's':
return super().eles(loc_or_str)
elif self._mode == 'd':
return super(SessionPage, self).eles(loc_or_str, timeout=timeout)
def s_ele(self, loc_or_ele=None):
"""查找第一个符合条件的元素以SessionElement形式返回d模式处理复杂页面时效率很高
:param loc_or_ele: 元素的定位信息可以是loc元组或查询字符串
:return: SessionElement对象或属性、文本
"""
if self._mode == 's':
return super().s_ele(loc_or_ele)
elif self._mode == 'd':
return super(SessionPage, self).s_ele(loc_or_ele)
def s_eles(self, loc_or_str):
"""查找所有符合条件的元素以SessionElement形式返回d模式处理复杂页面时效率很高
:param loc_or_str: 元素的定位信息可以是loc元组或查询字符串
:return: SessionElement对象或属性、文本组成的列表
"""
if self._mode == 's':
return super().s_eles(loc_or_str)
elif self._mode == 'd':
return super(SessionPage, self).s_eles(loc_or_str)
def change_mode(self, mode=None, go=True, copy_cookies=True):
"""切换模式,接收's''d',除此以外的字符串会切换为 d 模式
如copy_cookies为True切换时会把当前模式的cookies复制到目标模式
切换后如果go是True调用相应的get函数使访问的页面同步
:param mode: 模式字符串
:param go: 是否跳转到原模式的url
:param copy_cookies: 是否复制cookies到目标模式
:return: None
"""
if mode is not None and mode.lower() == self._mode:
return
self._mode = 's' if self._mode == 'd' else 'd'
# s模式转d模式
if self._mode == 'd':
if self._tab_obj is None:
self._connect_browser(self.page._driver_options)
self._url = None if not self._has_driver else super(SessionPage, self).url
self._has_driver = True
if self._session_url:
if copy_cookies:
self.cookies_to_browser()
if go:
self.get(self._session_url)
# d模式转s模式
elif self._mode == 's':
self._has_session = True
self._url = self._session_url
if self._has_driver:
if copy_cookies:
self.cookies_to_session()
if go:
url = super(SessionPage, self).url
if url.startswith('http'):
self.get(url)
def cookies_to_session(self, copy_user_agent=True):
"""把driver对象的cookies复制到session对象
:param copy_user_agent: 是否复制ua信息
:return: None
"""
if not self._has_session:
return
if copy_user_agent:
selenium_user_agent = self.run_cdp('Runtime.evaluate', expression='navigator.userAgent;')['result']['value']
self.session.headers.update({"User-Agent": selenium_user_agent})
# set_session_cookies(self.session, self._get_driver_cookies(as_dict=True))
# set_session_cookies(self.session, self._get_driver_cookies(all_domains=True))
set_session_cookies(self.session, self._get_driver_cookies())
def cookies_to_browser(self):
"""把session对象的cookies复制到浏览器"""
if not self._has_driver:
return
# set_browser_cookies(self, super().get_cookies(as_dict=True))
# set_browser_cookies(self, super().get_cookies(all_domains=True))
set_browser_cookies(self, super().get_cookies())
def get_cookies(self, as_dict=False, all_domains=False, all_info=False):
"""返回cookies
:param as_dict: 是否以字典方式返回
:param all_domains: 是否返回所有域的cookies
:param all_info: 是否返回所有信息False则只返回name、value、domain
:return: cookies信息
"""
if self._mode == 's':
return super().get_cookies(as_dict, all_domains, all_info)
elif self._mode == 'd':
return self._get_driver_cookies(as_dict, all_info)
def _get_driver_cookies(self, as_dict=False, all_info=False):
"""获取浏览器cookies
:param as_dict: 是否以dict形式返回为True时all_info无效
:param all_info: 是否返回所有信息为False时只返回name、value、domain
:return: cookies信息
"""
cookies = self.run_cdp('Network.getCookies')['cookies']
if as_dict:
return {cookie['name']: cookie['value'] for cookie in cookies}
elif all_info:
return cookies
else:
return [{'name': cookie['name'], 'value': cookie['value'], 'domain': cookie['domain']}
for cookie in cookies]
def _find_elements(self, loc_or_ele, timeout=None, single=True, relative=False, raise_err=None):
"""返回页面中符合条件的元素、属性或节点文本,默认返回第一个
:param loc_or_ele: 元素的定位信息可以是元素对象loc元组或查询字符串
:param timeout: 查找元素超时时间d模式专用
:param single: True则返回第一个False则返回全部
:param relative: WebPage用的表示是否相对定位的参数
:param raise_err: 找不到元素是是否抛出异常为None时根据全局设置
:return: 元素对象或属性、文本节点文本
"""
if self._mode == 's':
return super()._find_elements(loc_or_ele, single=single)
elif self._mode == 'd':
return super(SessionPage, self)._find_elements(loc_or_ele, timeout=timeout, single=single,
relative=relative)
class WebPageTabSetter(ChromiumBaseSetter):
def __init__(self, page):
super().__init__(page)
self._session_setter = SessionPageSetter(self._page)
self._chromium_setter = ChromiumBaseSetter(self._page)
def cookies(self, cookies):
"""添加cookies信息到浏览器或session对象
:param cookies: 可以接收`CookieJar`、`list`、`tuple`、`str`、`dict`格式的`cookies`
:return: None
"""
if self._page.mode == 'd' and self._page._has_driver:
self._chromium_setter.cookies(cookies)
elif self._page.mode == 's' and self._page._has_session:
self._session_setter.cookies(cookies)
def headers(self, headers) -> None:
"""设置固定发送的headers
:param headers: dict格式的headers数据
:return: None
"""
if self._page._has_session:
self._session_setter.headers(headers)
if self._page._has_driver:
self._chromium_setter.headers(headers)
def user_agent(self, ua, platform=None):
"""设置user agentd模式下只有当前tab有效"""
if self._page._has_session:
self._session_setter.user_agent(ua)
if self._page._has_driver:
self._chromium_setter.user_agent(ua, platform)
class WebPageTabDownloadSetter(DownloadSetter):
"""用于设置下载参数的类"""
def __init__(self, page):
super().__init__(page)
self._session = page.session
@property
def _switched_DownloadKit(self):
"""返回从浏览器同步cookies后的Session对象"""
if self._page.mode == 'd':
ua = self._page.run_cdp('Runtime.evaluate', expression='navigator.userAgent;')['result']['value']
self._page.session.headers.update({"User-Agent": ua})
set_session_cookies(self._page.session, self._page.get_cookies(as_dict=False, all_domains=False))
return self.DownloadKit