Copy gradle store of libraries into .m2 local cache

m2cache.py

import os
import shutil

gradle_cache_dir = '/Users/myusername/.gradle/caches/modules-2/files-2.1/'
maven_cache_dir = '/Users/myusername/.m2/repository/'

"""
Copy dependencies from the Gradle cache to the M2 cache
"""
packages = {}
for package in os.listdir(gradle_cache_dir):
    package_dir, packages[package] = os.path.join(gradle_cache_dir, package), {}
    for subpackage in os.listdir(package_dir):
        subpackage_dir, packages[package][subpackage] = os.path.join(package_dir, subpackage), {}
        for version in os.listdir(subpackage_dir):
            version_dir = os.path.join(subpackage_dir, version)
            packages[package][subpackage][version] = version_dir

for package in packages:
    maven_package_dir = os.path.join(maven_cache_dir, package.replace('.', os.path.sep))
    if not os.path.exists(maven_package_dir):
        os.makedirs(maven_package_dir)

    for subpackage in packages[package]:
        maven_subpackage_dir = os.path.join(maven_package_dir, subpackage)
        if not os.path.exists(maven_subpackage_dir):
            os.makedirs(maven_subpackage_dir)

        for version in packages[package][subpackage]:
            maven_version_dir = os.path.join(maven_subpackage_dir, version)
            if not os.path.exists(maven_version_dir):
                os.makedirs(maven_version_dir)

            for root, dirs, files in os.walk(packages[package][subpackage][version]):
                if files:
                    shutil.copy(os.path.join(root, files[0]), maven_version_dir)

Updated to use os.path.sep so that it works on non-Windows platforms. Tested on Mac OS X.