在Selenium / Python中出错-chromedriver可执行文件必须位于PATH

时间:2020-06-23 10:15:45

标签: python python-3.x selenium selenium-webdriver selenium-chromedriver

首先,我知道这个问题在这里已经被问了很多了。只是要明确说明我已经阅读了大多数接受的答案并正确地执行了所有步骤,仍然遇到了上述错误。 下面是我的脚本以及所有其他信息

[我正在将硒与chromedriver结合使用,试图在运行ubuntu 20的无头模式下将其与铬浏览器一起使用]

猫test.py

from selenium import webdriver
options = webdriver.ChromeOptions()
options.add_argument('--headless')
options.add_argument('--no-sandbox')
options.add_argument('--disable-dev-shm-usage')
options.binary_location = '/usr/bin/chromium-browser'

driver = webdriver.Chrome(options=options, executable_path='/usr/local/bin/chromedriver')
driver.get("https://www.google.com")
print(driver.title)
print ("Headless Chrome Initialized")
driver.quit()

python3 test.py

Traceback (most recent call last):
  File "/usr/local/lib/python3.8/dist-packages/selenium/webdriver/common/service.py", line 72, in start                                           self.process = subprocess.Popen(cmd, env=self.env,
  File "/usr/lib/python3.8/subprocess.py", line 854, in __init__           self._execute_child(args, executable, preexec_fn, close_fds,
  File "/usr/lib/python3.8/subprocess.py", line 1702, in _execute_child
    raise child_exception_type(errno_num, err_msg, err_filename)       FileNotFoundError: [Errno 2] No such file or directory: '/usr/local/bin/chromedriver'
                                                                       During handling of the above exception, another exception occurred:    
Traceback (most recent call last):
  File "test.py", line 9, in <module>
    driver = webdriver.Chrome(options=options, executable_path='/usr/local/bin/chromedriver')
  File "/usr/local/lib/python3.8/dist-packages/selenium/webdriver/chrome/webdriver.py", line 73, in __init__
    self.service.start()
  File "/usr/local/lib/python3.8/dist-packages/selenium/webdriver/common/service.py", line 81, in start
    raise WebDriverException(
selenium.common.exceptions.WebDriverException: Message: 'chromedriver' executable needs to be in PATH. Please see https://sites.google.com/a/chromium.org/chromedriver/home

我遵循的步骤

sudo apt install chromium-browser
python3 -m pip install selenium
wget https://chromedriver.storage.googleapis.com/83.0.4103.39/chromedriver_linux64.zip
unzip chromedriver*
chmod +x chromedriver
sudo mv chromedriver /usr/local/bin/
sudo chown root:root /usr/local/bin/chromedriver
sudo chmod 0755 /usr/local/bin/chromedriver

一起验证所有内容

╭─[localhost] as xd003 in ~
╰─➤ lsb_release -a | grep Description && \
apt -qq list python3 && \
apt -qq list chromium-browser && \
which chromedriver && \
which chromium-browser && \
echo $PATH

No LSB modules are available.
Description:    Ubuntu 20.04 LTS
python3/focal,now 3.8.2-0ubuntu2 arm64 [installed]
chromium-browser/focal-updates,now 81.0.4044.129-0ubuntu0.20.04.1 arm64 [installed]
/usr/local/bin/chromedriver
/usr/bin/chromium-browser
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games

我的一切看起来都不错,有人可以建议我做错了什么吗?

我在本地运行的Ubuntu20是我在Android设备上使用的Ubuntu Proot

2 个答案:

答案 0 :(得分:1)

经过数天的努力,我终于能够解决此错误。

因此,正如我之前提到的,我正在Android Device上运行Prooted Ubuntu 20。现在在这里,官方chrome webdriver-https://chromedriver.chromium.org

不支持aarch64的Linux内核体系结构。

要解决此问题,只需下载针对arm64变体编译的chromedriver。您随时可以从此处获取最新版本-https://github.com/electron/electron/releases

简而言之,其他一切都很完美,只需要用-https://github.com/electron/electron/releases/download/v8.3.4/chromedriver-v8.3.4-linux-arm64.zip

替换wget链接即可。

PS /也许如果错误类似-不支持linux内核体系结构,则修复它会容易得多,但是没关系。

答案 1 :(得分:0)

  1. 我总是传递给构造函数的chromedriver
  2. 如果找不到它,则会发生PATH错误(请参见下面的示例,其中我故意传递了不正确的参数)
  3. 此驱动程序不适用于铬,仅适用于铬。因此,有必要将驱动程序与/usr/bin目录分开
import time, os, datetime, json, requests, re, subprocess
from distutils.version import StrictVersion
from pathlib import Path
import xmlplain
import selenium
from selenium import webdriver

def get_release(v):
    r = re.compile(f'^(83\.[0-9]+\.[0-9]+).*linux.*$')
    maxrel = "0.0.0"
    pos = 0
    for i, rel in enumerate(v):
        if r.match(rel) is not None and StrictVersion(r.split(rel)[1]) > StrictVersion(maxrel): 
            maxrel = r.split(rel)[1]
            pos = i

    return v[pos]

def cmd(cmd:str, assertfail=True) :
    up = subprocess.Popen(cmd, shell=True, stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, close_fds=True)
    str = [l.rstrip().decode() for l in up.stdout]
    exitcode = up.wait()
    if assertfail: assert exitcode == 0, f"[{exitcode}] {cmd} {str}"
    return exitcode,  str


if __name__ == '__main__':
    # os.environ["DISPLAY"] = ":0.0"

    # find latest driver available
    resp = requests.get("https://chromedriver.storage.googleapis.com")
    raw = xmlplain.xml_to_obj(resp.content, strip_space=True, fold_dict=False)
    v = get_release([e["Contents"][0]["Key"] for e in raw["ListBucketResult"] if "Contents" in e.keys()])
    # download if required
    if not Path.cwd().joinpath(v.split("/")[0]).is_dir():
        cmd(f"mkdir {v.split('/')[0]}")
        cmd(f"wget https://chromedriver.storage.googleapis.com/{v} -O {v}")
        cmd(f"unzip {v} -d {v.split('/')[0]}/")
    # hit a webpage
    try:
        driver = webdriver.Chrome(f"unknown/chromedriver")  # Optional argument, if not specified will search path.
    except selenium.common.exceptions.WebDriverException as e:
        print(e)
    options = webdriver.ChromeOptions()
    options.add_argument('--no-sandbox')
    options.add_argument('--headless')
    options.add_argument('--disable-dev-shm-usage')
    options.binary_location = '/usr/bin/chromium-browser'
    options.binary_location = '/usr/bin/google-chrome'
    driver = webdriver.Chrome(f"{v.split('/')[0]}/chromedriver", options=options)  # Optional argument, if not specified will search path.
    driver.get('https://www.google.com')
    print(driver.title)
    print ("Headless Chrome Initialized")
    driver.quit()

输出:

Message: 'chromedriver' executable needs to be in PATH. Please see https://sites.google.com/a/chromium.org/chromedriver/home

Google
Headless Chrome Initialized