requirements.txt is the standard name for a requirements file for Python package installation program `pip`. It's used in the command like `pip install -r requirements.txt`.
requirements.txt is the standard name for a requirements file for Python package installation program pip. The file is list of items to be installed like so:
pip install -r requirements.txt
The items in the file can be package names (will be installed from Python Package Index or any other index configured in ~/.pypirc), package files or URLs to VCS.
For more information on requirements files see pip user guide.
