pip freeze > requirements.txt creates the text file but the file is empty

Question

Okay so I want to host my discord bot in Heroku but for the requirements.txt when I use the command pip freeze > requirements.txt in the Cmd it creates the file but with no text in it

what does pip freeze give as output? Also, if you're using python3, I recommend trying pip3 freeze > requirements.txt — some_programmer
– some_programmer, Commented Jan 8, 2021 at 13:42
the requirements file is still empty after using pip3 freeze > requirements.txt — Just starting
– Just starting, Commented Jan 8, 2021 at 13:47
Have you checked the output of pip3 freeze or pip freeze? — some_programmer
– some_programmer, Commented Jan 8, 2021 at 13:50
Does this answer your question? Why does `pip freeze` result in an empty file? — Gino Mempin
– Gino Mempin, Commented Jan 10, 2022 at 0:30

Anthony Nolletti · Accepted Answer · 2023-07-19 20:39:09Z

You were likely on your global environment, so your virtual environment has no dependencies installed. To fix:

Start your virtual environment (on Mac/Linux)

Navigate to the folder containing your .py files in the Terminal
python3 -m venv venv
source venv/bin/activate

This isn't ideal, but 1-by-1 install your dependencies using "pip install <dependency_name>". You can find your dependency names usually by looking at your "import " statement at the top of your python file. Alternatively, you can find them using:

python3 <app_name.py>

The error message that results in the Terminal will show you the missing dependency.

If "pip3 install <dependency_name>" doesn't work, search on PyPi for the correct name to install. Sometimes they vary.

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