How to open an HTML file in the browser from Python?

by

Try specifying the “file://” at the start of the URL. 

// Also, use the absolute path of the file:

webbrowser.open('file://' + os.path.realpath(filename))

Or

import webbrowser
new = 2 # open in a new tab, if possible

// open a public URL, in this case, the webbrowser docs
url = "http://docs.python.org/library/webbrowser.html"
webbrowser.open(url,new=new)

// open an HTML file on my own (Windows) computer
url = "file://d/testdata.html"
webbrowser.open(url,new=new)

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