Automatically create requirements.txt

Question

Sometimes I download the python source code from github and don\'t know how to install all the dependencies. If there is no requirements.txt file I

Answer 1

Make sure to run pip3 for python3.7.

pip3 freeze >> yourfile.txt

Before executing the above command make sure you have created a virtual environment.

python3:

pip3 install virtualenv
python3 -m venv  

python2:

pip install virtualenv
virtualenv 

After that put your source code in the directory. If you run the python file now, probably It won't launch If you are using non-native modules. You can install those modules runing

pip3 install  or pip install  

This will not affect you entire module list except the environment you are In.

Now you can execute the command at the top and now you have a requirements file which contains only the modules you installed in the virtual environment. Now you can run the command at the top.

I advise everyone to use environments as It makes things easier when It comes to stuff like this.

Hope this helped.