How Can I Automatically Generate a requirements.txt File from Python Code?

Generating Requirements.txt from Python Source Code

Creating a requirements.txt file can be a tedious task, especially when you have to manually input all the dependencies for a given project. Fortunately, there is an automated solution to this problem.

pipreqs to the Rescue

Pipreqs is a package manager that allows you to create a requirements.txt file directly from the import section of your Python source code. To use pipreqs, simply run the following command:

pip install pipreqs
pipreqs --encoding=utf8 --force /path/to/project

Benefits of Using pipreqs

Pipreqs offers several advantages over the traditional pip freeze command:

• Preserves encoding: It ensures that the requirements.txt file is created with the correct encoding.
• Excludes unused packages: Pipreqs only includes the packages that are actually used in your project.
• Creates requirements.txt without installation: You can generate the file even if you haven't yet installed the project's dependencies.

Pipreqs can significantly streamline the process of creating a requirements.txt file for your Python projects. By automating this task, you can save time and ensure that your dependencies are accurately represented in the file.

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