"""
Goals:

- expose package information for a given setup.py/package
- ensure that for a given set of packages that the versions are consistent
"""

class Package2(object):

    def __init__(self, src, verbose=True):
        self.verbose = verbose
        self._info = None
        self._setup_py = None # local path to setup.py

    def info(self):
        """return info dictionary for a package"""

class PackageSet(object):
    """
    a group of packages

    Functionality:
    - unroll dependencies
    - check consistency of dependencies
    """