Open a HTML file with Python using Firefox when Firefox isn't the default browser

Question

I've seen a few questions related to this, but I'm still having trouble.

Running the code:

>>>webbrowser.get('firefox')

errors with:

webbrowser.Error: could not locate runnable browser

To troubleshoot I ran:

>>>print(webbrowser._browser)

{'windows-default': [<class 'webbrowser.WindowsDefault'>, None], 'c:\\program files\\internet explorer\\iexplorer.exe': [None, <webbrowser.BackgroundBrowser object at 0x000000000651FEB8>]}

The odd thing is that I have Firefox installed, it is my default browser, and the HTML file I'm trying to opens through Python, opens with Firefox.

All would be right with the world except I need to send this program out to people who likely have IE set as their Windows default, and the HTML file has to be opened in Firefox.

you could install selenium and do webdriver.Firefox()

Shubham Sharma
– Shubham Sharma

2016-06-20 16:44:09 +00:00
Commented Jun 20, 2016 at 16:44 — Shubham Sharma
– Shubham Sharma, Commented Jun 20, 2016 at 16:44

Community · Accepted Answer · 2017-05-23 11:52:31Z

1

All would be right with the world except I need to send this program out to people who likely have IE set as their Windows default, and the HTML file has to be opened in Firefox.

One way to solve it is to use the selenium browser automation package. You can open local HTML files with that as well:

from selenium import webdriver

driver = webdriver.Firefox()
driver.get("file:///D:/folder/abcd.html")

edited May 23, 2017 at 11:52

CommunityBot

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answered Jun 20, 2016 at 16:49

alecxe

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3 Comments

RussellB. Over a year ago

I'll give that a try. Complicating issues a bit more, all the users are on a company network with the base installation of Python 3.5. Do you have any suggestions when using the standard library?

alecxe Over a year ago

@RussellB. selenium would probably be the most reliable option. But, you can open browsers in custom paths with webbrowser - example for chrome: stackoverflow.com/questions/22445217/…. Also see stackoverflow.com/questions/5916270/….

Jake Dube Over a year ago

@RussellB. virtualenv

Louis Yang · Accepted Answer · 2018-01-21 11:23:33Z

1

Add %s to the end of the path to open it by Firefox.

webbrowser.get('C:/Program Files (x86)/Mozilla Firefox/firefox.exe %s')

answered Jan 21, 2018 at 11:23

Louis Yang

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Comments

sangwan9 · Accepted Answer · 2018-12-04 11:13:02Z

0

Add these two lines at top to register firefox

firefox_path="C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe"

this will locate your firefox executable

webbrowser.register('firefox', None,webbrowser.BackgroundBrowser(firefox_path))

Then try:

webbrowser.get('firefox')

this worked for me in both python2 and python3

answered Dec 4, 2018 at 11:13

sangwan9

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