def package(packages, required_provider=None):
"""
Installs package.
"""
provider = None
from pywizard.resources.package_apt import AptPackageProvider
from pywizard.resources.package_pip import PipPackageProvider
from pywizard.resources.package_yum import YumPackageProvider
# replace this later with entry point
register_package_provider(PipPackageProvider)
register_package_provider(YumPackageProvider)
register_package_provider(AptPackageProvider)
if required_provider is None:
if os_ubuntu():
import package_apt
provider = package_apt.AptPackageProvider()
elif os_centos():
import package_yum
provider = package_yum.YumPackageProvider()
else:
raise NotImplementedError('There is no package provider for your system yet, or pywizard can\'t'
'find it on someme reason.')
elif issubclass(required_provider, PackageProvider):
provider = PackageProvider._providers[required_provider.get_key()]
elif isinstance(required_provider, basestring):
provider = PackageProvider._providers[required_provider]
if not isinstance(provider, PackageProvider):
raise Exception('No required package provider installed: %s' % (required_provider or 'system package provider'))
return InstallPackageResource(packages, provider)
def test_os_ubuntu():
is_really_ubuntu = os.environ.get('TOX_DISTRO') == 'ubuntu'
os_ubuntu() == is_really_ubuntu
