PyGradle

build.gradle

apply plugin: 'python-sdist'

dependencies {
  python 'pypi:Werkzeug:0.7',
  python 'pypi:Jinja2:2.4',
  python 'pypi:itsdangerous:0.21',
  python 'pypi:click:2.0'
}

setup.py

from setuptools.dist import Distribution
import os


class GradleDistribution(Distribution, object):
    """The Python to Gradle bridge."""

    #: The name of the requirements file generated by pygradle.
    PINNED_TXT = 'pinned.txt'

    def __init__(self, attrs):
        attrs['name'] = os.getenv(self.PYGRADLE_PRODUCT_NAME)
        attrs['version'] = os.getenv(self.PYGRADLE_PRODUCT_VERSION)
        attrs['install_requires'] = list(self.load_requirements())

    def load_requirements(self):
        ...

tree

$ tree
├── build.gradle
├── gradlew
├── foo
│   ├── build.gradle
│   ├── setup.cfg
│   ├── setup.py
│   ├── src
│   │   └── foo
│   │       └── __init__.py
│   ├── requirements.txt
│   └── test
│       └── test_foo.py
├── <subproject>
│   └── ...
└── settings.gradle
$ ./gradlew build