def _commits_by_author(self, commits):
        author_commits = {}
        for commit in commits:
            author_commits.setdefault(commit.author, []).append(commit)
        return author_commits
Returns the list of all available packages' codepaths.
dataset/ETHPy150Open brettcannon/free-labour/freelabour/project.py/Project._commits_by_author--crossover with--dataset/ETHPy150Open VisTrails/VisTrails/vistrails/core/packagemanager.py/PackageManager.available_package_names_list