mirror of
https://gitee.com/g1879/DrissionPage.git
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SessionPage增加设置编码功能; listen.wait()增加raise_err参数; 优化set.local_storage()、set.session_storage()和clear_cache(); 各类增加__repr__; 指定新版DownloadKit
362 lines
13 KiB
Python
362 lines
13 KiB
Python
# -*- coding:utf-8 -*-
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"""
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@Author : g1879
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@Contact : g1879@qq.com
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"""
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from copy import copy
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from .._base.base import BasePage
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from .._functions.web import set_session_cookies, set_browser_cookies
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from .._configs.session_options import SessionOptions
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from .._pages.chromium_base import ChromiumBase
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from .._pages.session_page import SessionPage
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from .._units.setter import TabSetter, WebPageTabSetter
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from .._units.waiter import TabWaiter
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class ChromiumTab(ChromiumBase):
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"""实现浏览器标签页的类"""
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def __init__(self, page, tab_id=None):
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"""
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:param page: ChromiumPage对象
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:param tab_id: 要控制的标签页id,不指定默认为激活的
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"""
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self._page = page
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self._browser = page.browser
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super().__init__(page.address, tab_id, page.timeout)
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self._rect = None
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def _d_set_runtime_settings(self):
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"""重写设置浏览器运行参数方法"""
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self._timeouts = copy(self.page.timeouts)
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self.retry_times = self.page.retry_times
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self.retry_interval = self.page.retry_interval
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self._load_mode = self.page._load_mode
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self._download_path = self.page.download_path
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def close(self):
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"""关闭当前标签页"""
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self.page.close_tabs(self.tab_id)
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@property
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def page(self):
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"""返回总体page对象"""
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return self._page
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@property
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def set(self):
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"""返回用于等待的对象"""
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if self._set is None:
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self._set = TabSetter(self)
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return self._set
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@property
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def wait(self):
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"""返回用于等待的对象"""
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if self._wait is None:
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self._wait = TabWaiter(self)
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return self._wait
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def __repr__(self):
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return f'<ChromiumTab browser_id={self.browser.id} tab_id={self.tab_id}>'
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class WebPageTab(SessionPage, ChromiumTab, BasePage):
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def __init__(self, page, tab_id):
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"""
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:param page: WebPage对象
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:param tab_id: 要控制的标签页id
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"""
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self._mode = 'd'
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self._has_driver = True
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self._has_session = True
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super().__init__(session_or_options=SessionOptions(read_file=False).from_session(copy(page.session),
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page._headers))
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super(SessionPage, self).__init__(page=page, tab_id=tab_id)
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def __call__(self, loc_or_str, timeout=None):
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"""在内部查找元素
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例:ele = page('@id=ele_id')
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:param loc_or_str: 元素的定位信息,可以是loc元组,或查询字符串
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:param timeout: 超时时间
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:return: 子元素对象
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"""
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if self._mode == 'd':
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return super(SessionPage, self).__call__(loc_or_str, timeout)
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elif self._mode == 's':
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return super().__call__(loc_or_str)
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@property
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def set(self):
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"""返回用于等待的对象"""
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if self._set is None:
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self._set = WebPageTabSetter(self)
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return self._set
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@property
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def url(self):
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"""返回当前url"""
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if self._mode == 'd':
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return self._browser_url
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elif self._mode == 's':
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return self._session_url
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@property
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def _browser_url(self):
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"""返回浏览器当前url"""
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return super(SessionPage, self).url if self._driver else None
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@property
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def title(self):
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"""返回当前页面title"""
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if self._mode == 's':
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return super().title
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elif self._mode == 'd':
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return super(SessionPage, self).title
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@property
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def raw_data(self):
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"""返回页码原始数据数据"""
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if self._mode == 's':
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return super().raw_data
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elif self._mode == 'd':
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return super(SessionPage, self).html if self._has_driver else ''
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@property
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def html(self):
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"""返回页面html文本"""
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if self._mode == 's':
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return super().html
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elif self._mode == 'd':
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return super(SessionPage, self).html if self._has_driver else ''
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@property
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def json(self):
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"""当返回内容是json格式时,返回对应的字典"""
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if self._mode == 's':
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return super().json
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elif self._mode == 'd':
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return super(SessionPage, self).json
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@property
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def response(self):
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"""返回 s 模式获取到的 Response 对象,切换到 s 模式"""
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return self._response
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@property
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def mode(self):
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"""返回当前模式,'s'或'd' """
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return self._mode
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@property
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def cookies(self):
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"""以dict方式返回cookies"""
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return super().cookies
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@property
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def user_agent(self):
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"""返回user agent"""
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if self._mode == 's':
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return super().user_agent
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elif self._mode == 'd':
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return super(SessionPage, self).user_agent
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@property
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def session(self):
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"""返回Session对象,如未初始化则按配置信息创建"""
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if self._session is None:
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self._create_session()
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return self._session
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@property
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def _session_url(self):
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"""返回 session 保存的url"""
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return self._response.url if self._response else None
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@property
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def timeout(self):
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"""返回通用timeout设置"""
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return self.timeouts.base
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@timeout.setter
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def timeout(self, second):
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"""设置通用超时时间
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:param second: 秒数
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:return: None
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"""
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self.set.timeouts(base=second)
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def get(self, url, show_errmsg=False, retry=None, interval=None, timeout=None, **kwargs):
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"""跳转到一个url
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:param url: 目标url
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:param show_errmsg: 是否显示和抛出异常
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:param retry: 重试次数
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:param interval: 重试间隔(秒)
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:param timeout: 连接超时时间(秒)
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:param kwargs: 连接参数,s模式专用
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:return: url是否可用,d模式返回None时表示不确定
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"""
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if self._mode == 'd':
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return super(SessionPage, self).get(url, show_errmsg, retry, interval, timeout)
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elif self._mode == 's':
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if timeout is None:
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timeout = self.timeouts.page_load if self._has_driver else self.timeout
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return super().get(url, show_errmsg, retry, interval, timeout, **kwargs)
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def post(self, url: str, data=None, show_errmsg=False, retry=None, interval=None, **kwargs):
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"""用post方式跳转到url,会切换到s模式
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:param url: 目标url
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:param data: post方式时提交的数据
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:param show_errmsg: 是否显示和抛出异常
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:param retry: 重试次数
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:param interval: 重试间隔(秒)
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:param kwargs: 连接参数
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:return: url是否可用
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"""
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if self.mode == 'd':
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self.cookies_to_session()
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return super().post(url, data, show_errmsg, retry, interval, **kwargs)
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def ele(self, loc_or_ele, timeout=None):
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"""返回第一个符合条件的元素、属性或节点文本
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: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
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:param timeout: 查找元素超时时间,默认与页面等待时间一致
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:return: 元素对象或属性、文本节点文本
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"""
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if self._mode == 's':
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return super().ele(loc_or_ele)
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elif self._mode == 'd':
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return super(SessionPage, self).ele(loc_or_ele, timeout=timeout)
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def eles(self, loc_or_str, timeout=None):
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"""返回页面中所有符合条件的元素、属性或节点文本
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:param loc_or_str: 元素的定位信息,可以是loc元组,或查询字符串
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:param timeout: 查找元素超时时间,默认与页面等待时间一致
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:return: 元素对象或属性、文本组成的列表
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"""
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if self._mode == 's':
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return super().eles(loc_or_str)
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elif self._mode == 'd':
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return super(SessionPage, self).eles(loc_or_str, timeout=timeout)
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def s_ele(self, loc_or_ele=None):
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"""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
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:param loc_or_ele: 元素的定位信息,可以是loc元组,或查询字符串
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:return: SessionElement对象或属性、文本
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"""
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if self._mode == 's':
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return super().s_ele(loc_or_ele)
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elif self._mode == 'd':
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return super(SessionPage, self).s_ele(loc_or_ele)
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def s_eles(self, loc_or_str):
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"""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
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:param loc_or_str: 元素的定位信息,可以是loc元组,或查询字符串
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:return: SessionElement对象或属性、文本组成的列表
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"""
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if self._mode == 's':
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return super().s_eles(loc_or_str)
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elif self._mode == 'd':
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return super(SessionPage, self).s_eles(loc_or_str)
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def change_mode(self, mode=None, go=True, copy_cookies=True):
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"""切换模式,接收's'或'd',除此以外的字符串会切换为 d 模式
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如copy_cookies为True,切换时会把当前模式的cookies复制到目标模式
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切换后,如果go是True,调用相应的get函数使访问的页面同步
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:param mode: 模式字符串
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:param go: 是否跳转到原模式的url
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:param copy_cookies: 是否复制cookies到目标模式
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:return: None
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"""
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if mode is not None and mode.lower() == self._mode:
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return
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self._mode = 's' if self._mode == 'd' else 'd'
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# s模式转d模式
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if self._mode == 'd':
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if self._driver is None:
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self._connect_browser(self.page._chromium_options)
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self._url = None if not self._has_driver else super(SessionPage, self).url
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self._has_driver = True
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if self._session_url:
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if copy_cookies:
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self.cookies_to_browser()
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if go:
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self.get(self._session_url)
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# d模式转s模式
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elif self._mode == 's':
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self._has_session = True
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self._url = self._session_url
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if self._has_driver:
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if copy_cookies:
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self.cookies_to_session()
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if go:
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url = super(SessionPage, self).url
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if url.startswith('http'):
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self.get(url)
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def cookies_to_session(self, copy_user_agent=True):
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"""把driver对象的cookies复制到session对象
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:param copy_user_agent: 是否复制ua信息
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:return: None
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"""
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if not self._has_session:
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return
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if copy_user_agent:
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user_agent = self.run_cdp('Runtime.evaluate', expression='navigator.userAgent;')['result']['value']
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self.session.headers.update({"User-Agent": user_agent})
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set_session_cookies(self.session, super(SessionPage, self).get_cookies())
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def cookies_to_browser(self):
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"""把session对象的cookies复制到浏览器"""
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if not self._has_driver:
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return
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set_browser_cookies(self, super().get_cookies())
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def get_cookies(self, as_dict=False, all_domains=False, all_info=False):
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"""返回cookies
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:param as_dict: 是否以字典方式返回
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:param all_domains: 是否返回所有域的cookies
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:param all_info: 是否返回所有信息,False则只返回name、value、domain
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:return: cookies信息
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"""
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if self._mode == 's':
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return super().get_cookies(as_dict, all_domains, all_info)
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elif self._mode == 'd':
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return super(SessionPage, self).get_cookies(as_dict, all_domains, all_info)
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def close(self):
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"""关闭当前标签页"""
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self.page.close_tabs(self.tab_id)
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self._session.close()
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if self._response is not None:
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self._response.close()
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def _find_elements(self, loc_or_ele, timeout=None, single=True, relative=False, raise_err=None):
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"""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
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: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
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:param timeout: 查找元素超时时间,d模式专用
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:param single: True则返回第一个,False则返回全部
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:param relative: WebPage用的表示是否相对定位的参数
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:param raise_err: 找不到元素是是否抛出异常,为None时根据全局设置
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:return: 元素对象或属性、文本节点文本
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"""
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if self._mode == 's':
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return super()._find_elements(loc_or_ele, single=single)
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elif self._mode == 'd':
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return super(SessionPage, self)._find_elements(loc_or_ele, timeout=timeout, single=single,
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relative=relative)
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def __repr__(self):
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return f'<WebPageTab browser_id={self.browser.id} tab_id={self.tab_id}>'
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