How to run python scripts against selenium grid - selenium-grid

I am able to run python scripts throgh selenium rc.
I dont know to run these scripts in selenium grid.I am not able to get the correct answer from anywhere.is it possible to run python scripts from selenium eclipse.
Please anyone provide me the solution as soon as possible.
Thx.

first of all you have to install selenium with this code:
pip install -U selenium
Alternately, you can download the source distribution from PyPI (e.g. selenium-2.53.1.tar.gz), unarchive it, and run:
python setup.py install
both of the methods described above install selenium as a system-wide package That will require administrative/root access to there machine. You may consider using a virtualenv to create isolated Python environments instead.

You're asking a lot of things that don't really make sense. E.g., there is no such thing as "selenium eclipse." Anyway, I'll try to answer the best I can.
Your Python scripts should have the client connect to the Selenium Grid Hub instead of a specific RC Server. The hub is then responsible for dispatching the request to any registered nodes in the grid. There is nothing Python-specific involved with grid.

Related

Unable to launch URL in edge browser (using replit platform)- Selenium Python

I tried to use replit online platform for web scraping using selenium in Edge browser. replit automatically install selenium 4.1.3 but I couldn't find msedge-selenium-tools to support this version.
How can I install selenium (3.141) to support msedge-selenium-tools?
Any help will be highly appreciated.
Thank You
Bibek
I don't know much about this online IDE, but I did some testing and found that it seems to be able to control the version of the referenced package via a configuration in the pyproject.toml file.
First, uninstall selenium 4.1.3 in installed Packages. When installing edge-selenium-tools package, you will find that it bundles selenium 3.141 installed with edge-selenium-tools. Second, add this line in pyproject.toml file.
selenium = "^3.141.0"
Something like this:
In addition, for more questions related to IDE replit, I suggest you post your questions in its community, I think there may be someone with more relevant experience who can answer your questions.

JMeter with Python Selenium

I was checking how i can use existing selenium scripts written in python for JMeter. There are suggestions to use Jython. i have installed jython by putting jython jar file in lib.
Using JSR223 Sampler, when I tried to give the existing selenium script file it is giving me below error while hitting run
> Data type ("text"|"bin"|""):text Response code:500 Response
> message:javax.script.ScriptException: ImportError: No module named selenium in <script> at line number 1
Do i need to use third party tool to convert existing scripts to JMX file?
My second question is :- I checked the documentation and found that it works on python2.7 version. Is that really correct? How come it is not updated to python3
No module named selenium in
It looks like you didn't install selenium module, you need to install it in order to be able to use it like:
jython -m pip install selenium
More information: How can I install various Python libraries in Jython?
However if you want to use existing Python UI tests for performance testing it's better to consider converting them to JMeter's HTTP Request samplers, as each thread (virtual user) needs to run a real browser and a real browser needs 1 CPU core and a couple of gigabytes of RAM so you can simulate thousands of users on HTTP protocol level using the hardware allowing to launch several browsers only.
See How to Convert Selenium Scripts into the JMX Converter article for more details.

Selenium WDS executeScript()

I have a strange problem, which I'm unable to solve for sometime. I have a selenium WDS for Firefox browser. I tried to execute the code in JMeter UI, everything works fine. But when I try to execute the same in a server (using XVFB driver), I get the error:
rm="sun.org.mozilla.javascript.EvaluatorException: Can&apos;t find method org.openqa.selenium.remote.RemoteWebDriver.executeScript(string,org.openqa.selenium.remote.RemoteWebElement). (<Unknown source>#17) in <Unknown source> at line number 17"
All the required drivers are the same as the one I locally try. Yet, I get the error only when I run in the server but not locally. Please help
Most probably you have different versions of either WebDriver Sampler or dependency libraries, I don't see any other ways for the same script to work on one machine and don't work on another.
Install the same version of JMeter onto both machines (use JMeter 3.2 or later, whatever is available at JMeter Downloads Page)
Install latest version of the WebDriver Sampler plugin using JMeter Plugins Manager
Your test should now be running fine.

Pycharm can not auto complete selenium package

I install selenium through Python pip and write a simple file called crawlTest.py, it works well.Later, I install Pycharm and try to auto complete method from selenium, but it doesn't work.
I guess Pycharm didn't know where I install selenium and an external library is needed.But I try by myself and search on google and StackOverflow, I didn't get proper solution.
I have read the flowing posts, but still not work. It is very useful and
time-saving for those who use selenium and Pycharm if some one could give me .
here is post list I hava viewed:
How to get PyCharm to auto-complete code in methods?
PyCharm doesn't auto-completes very simple cases such as: import pickle
I install selenium by python pip, and it works with python3.5,but not python 2.7. so I changed my project interpreter as python 3.5 in Py . Now it works!
for use auto-complete Pycharm feture go to "File\Setting\Project:" add new interpreter and select you instaleed python directory.

A GUI to debug phantomjs script

I am using phantomjs to build a web crawler. My current crawler is a Python script using selenium, which requires a running Firefox browser. While Selenium is good for debugging scripts (as I can use firebug to inspect the webpage), it cannot be deployed on linux servers without GUI. So I am trying to translate my Python script to phantomjs.
To debug phantomjs scripts, I save the page source html and render a png screenshot to disk, and open it in Firefox to inspect the source page. I am wondering if there is a better way to do this, e.g. a plugin for phantomjs, etc.
This little hack is using a simple technique: It grabs the screen as PhantomJS or CasperJS sees it with captureBase64('png') and then it is POSTing the image into the receiving server which then sends it via socket.io to the browser which displays it is as inline image.
The source code is available on github:
https://github.com/maciejjankowski/flaming-octo-puss
I'm not sure if PhantomJS has it, but CasperJS does (and the latter adds some extra functions to PhantomJS)
and use remote debugging as others suggest
As for most of the JS scripts, it's not so trivial to debug phantomjs script, because there is no IDE/compiler behind this.
First, I higly suggest you to read the Troubleshooting section.
As said by torazaburo, your best option is to use Remote Debugging : scripts can be run in a Web Inspector interface-like console : step-in, step-out, break points, local variables... many classic debugger features are available. If you're familliar with Chrome developpers tools, it's pretty the same.
Though not a solution to your Phantomjs troubles,I think Selenium with Python bindings can be used very efficiently as a headless scraper in a Linux environment.
You can use PyVirtualDisplay, a Python wrapper for Xvfb and Xephyr to fake a display.PyVirtualDisplay needs Xvfb as a dependency. On Ubuntu, first install Xvfb:
sudo apt-get install xvfb
then install PyVirtualDisplay from Pypi:
pip install pyvirtualdisplay
Sample Selenium script in Python in a headless mode with PyVirtualDisplay:
#!/usr/bin/env python
from pyvirtualdisplay import Display
from selenium import webdriver
display = Display(visible=0, size=(800, 600))
display.start()
# now Firefox will run in a virtual display.
# you will not see the browser.
browser = webdriver.Firefox()
browser.get('http://www.google.com')
print browser.title
browser.quit()
display.stop()