selenium python excecute_脚本（“返回变量”）不返回变量，但变量存在

2024-09-30 16:37:22 发布

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我试图使用selenium从javascript代码中获取变量，但是driver.excecute_script('return videos')没有找到变量，尽管它存在，因为我在运行脚本之前打印了源代码

wait = WebDriverWait(driver, 10)

driver.get(url)

wait.until(presence_of_element_located((By.TAG_NAME, "body")))

result = driver.execute_script('return videos')

print(result)

这意味着在运行driver.excecute_sc...之前应该加载整个页面。控制台按预期输出整个页面：

<html class=" flexbox no-flexboxtweener" lang="es"><head>
<meta charset="utf-8">
<title>Majutsushi Orphen Hagure Tabi: Kimluck-hen Episodio 1 Sub Español — AnimeFLV</title>
<meta name="description" content="Ver Majutsushi Orphen Hagure Tabi: Kimluck-hen Episodio 1 Sub Español, descargar Majutsushi Orphen Hagure Tabi: Kimluck-hen Episodio 1 gratis, Majutsushi Orphen Hagure Tabi: Kimluck-hen Episodio 1 en calidad HD.">
<meta property="og:title" content="Majutsushi Orphen Hagure Tabi: Kimluck-hen Episodio 1">
<meta property="og:url" content="/ver/majutsushi-orphen-hagure-tabi-kimluckhen-1">
<meta property="og:image" content="https://cdn.animeflv.net/screenshots/3427/1/3.jpg">
<meta property="og:site_name" content="AnimeFLV">
<meta property="og:description" content="Estoy viendo Majutsushi Orphen Hagure Tabi: Kimluck-hen Episodio 1 Completo en Calidad HD, completamente Gratis!">
<link rel="canonical" href="https://www3.animeflv.net/ver/majutsushi-orphen-hagure-tabi-kimluckhen-1">
<link rel="alternate" media="only screen and (max-width: 640px)" href="https://m.animeflv.net/ver/majutsushi-orphen-hagure-tabi-kimluckhen-1">
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如您所见，变量videos是指定的，它实际上是一个字典

var videos = {"SUB":[{"server":"gocdn","title":"GoCDN","allow_mobile":true,"code":"https:\/\/streamium.xyz\/gocdn.html#djVSek1aTjVMczY1djhRamgxSlMyWUo2SmdPcm9oQzZSSTlEWXdGK3J6NUxzOGZJT0VKa0ZUekdMcVRyMnd6QmxzUnlQL1ZIMzhNTFBWMHQ2Z1JnRlBTelE0R3p2blcrdXk0aUNoUDl3ZmlwSk5OUE5GelZ4RWlIV1RzcWpLOWVNOXBNU2VvWDZRTER0K092NnZVV2RBPT0="},{"server":"fembed","title":"Fembed","allow_mobile":true,"code":"https:\/\/embedsito.com\/v\/x431gb5q0rq76j-"},{"server":"mega","title":"MEGA","url":"https:\/\/mega.nz\/#!zNsjhQYZ!wLaK9MyiCpUvDifBdDrmL1CDaxvtRkQoENFdZmCfuRM","allow_mobile":true,"code":"https:\/\/mega.nz\/embed#!zNsjhQYZ!wLaK9MyiCpUvDifBdDrmL1CDaxvtRkQoENFdZmCfuRM"},{"server":"stape","title":"Stape","url":"https:\/\/streamtape.com\/v\/0L1paadjqjIbGBk\/","allow_mobile":true,"code":"https:\/\/streamtape.com\/e\/0L1paadjqjIbGBk\/"},{"server":"okru","title":"Okru","allow_mobile":true,"code":"https:\/\/ok.ru\/videoembed\/2285656869488"},{"server":"yu","title":"YourUpload","allow_mobile":true,"code":"https:\/\/www.yourupload.com\/embed\/2RDn1lPlb34g"},{"server":"maru","title":"Maru","allow_mobile":true,"code":"https:\/\/my.mail.ru\/video\/embed\/8995617145282897508#budyak.rus#9828"},{"server":"netu","title":"Netu","allow_mobile":true,"code":"https:\/\/hqq.tv\/player\/embed_player.php?vid=RDI2aFFpeThJUGdWVDBhVDhVaXUydz09"}]};

但是当获取变量并将其存储在result变量上时，我得到了一个javascript异常

Message: ReferenceError: videos is not defined

是否有其他方法获取变量


Tags： texthttpsdivsrccomtitletypejs
1条回答
网友
1楼 · 发布于 2024-09-30 16:37:22

变量videos从未创建，因为它是在type="text/plain"脚本中创建的。以下是解决方案：

步骤1：查找脚本。

该脚本是从最后一个到第一个的第四次计数

scripts = driver.find_elements_by_tag("script")

步骤2：获取内部HTML

由于.text方法只返回元素的可见部分，因此请使用innerHTML属性

code = scripts[len(scripts) - 5].get_attribute("innerHTML")

步骤3：找到声明变量的行

现在，您必须获得声明变量的行。首先使用.split()方法拆分变量代码

lines = code.split('\n')

变量在第9行声明

declaration = lines[8]

步骤4：返回变量值

现在，只需删除所有，直到值

dictionary = declaration[len('        var videos = '):] # spaces because of tabs

然后返回字典，将其转换为python代码

result = driver.execute_script('return ' + dictionary)

这会回来的

{"SUB":[{"server":"gocdn","title":"GoCDN","allow_mobile":True,"code":"https:\/\/streamium.xyz\/gocdn.html#djVSek1aTjVMczY1djhRamgxSlMyWUo2SmdPcm9oQzZSSTlEWXdGK3J6NUxzOGZJT0VKa0ZUekdMcVRyMnd6QmxzUnlQL1ZIMzhNTFBWMHQ2Z1JnRlBTelE0R3p2blcrdXk0aUNoUDl3ZmlwSk5OUE5GelZ4RWlIV1RzcWpLOWVNOXBNU2VvWDZRTER0K092NnZVV2RBPT0="},{"server":"fembed","title":"Fembed","allow_mobile":True,"code":"https:\/\/embedsito.com\/v\/x431gb5q0rq76j-"},{"server":"mega","title":"MEGA","url":"https:\/\/mega.nz\/#!zNsjhQYZ!wLaK9MyiCpUvDifBdDrmL1CDaxvtRkQoENFdZmCfuRM","allow_mobile":True,"code":"https:\/\/mega.nz\/embed#!zNsjhQYZ!wLaK9MyiCpUvDifBdDrmL1CDaxvtRkQoENFdZmCfuRM"},{"server":"stape","title":"Stape","url":"https:\/\/streamtape.com\/v\/0L1paadjqjIbGBk\/","allow_mobile":true,"code":"https:\/\/streamtape.com\/e\/0L1paadjqjIbGBk\/"},{"server":"okru","title":"Okru","allow_mobile":True,"code":"https:\/\/ok.ru\/videoembed\/2285656869488"},{"server":"yu","title":"YourUpload","allow_mobile":True,"code":"https:\/\/www.yourupload.com\/embed\/2RDn1lPlb34g"},{"server":"maru","title":"Maru","allow_mobile":True,"code":"https:\/\/my.mail.ru\/video\/embed\/8995617145282897508#budyak.rus#9828"},{"server":"netu","title":"Netu","allow_mobile":True,"code":"https:\/\/hqq.tv\/player\/embed_player.php?vid=RDI2aFFpeThJUGdWVDBhVDhVaXUydz09"}]}

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