Importlab is a library for Python that automatically infers dependencies and calculates a dependency graph. It can perform dependency ordering of a set of files, including cycle detection. Importlab's main use case is to work with static analysis tools that process one file at a time, ensuring that a file's dependencies are analysed before it is. Importlab is primarily intended to be used as a library. It takes one or more python files as arguments, and generates an import graph, typically used to process files in dependency order. This is not an official Google product. WWW: https://github.com/google/importlab