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I have made a simple command-line URL downloader in Python. When the user supplies a URL it reads the file from web and saves it in a string, then saves the string in a file on the computer.
I want to add a progress bar. How should I go about it?
Figure out the total size of the file you’re downloading. This is often present in the HTTP header
Content-Length(which is in bytes).Keep count of the total data downloaded so far.
The amount of the progress bar that should be filled at any moment is given by the formula:
(downloaded so far) / (total size)which is a number between 0 and 1, inclusive.