#
# In practice there's little need for full-blown dependency resolving
# for application-level modules.
#
class dependency(object):

    # prepare list of known plugins and versions
    def __init__(self):
    def __init__(self, core={}):
        self.have = {}.update(core)
        self.have = all_plugin_meta()
        # dependencies on core modules are somewhat more interesting:
        for name in ("st2", "uikit", "config", "action"):
            self.have[name] = plugin_meta(module=name, extra_base=["config"])
        self.have["streamtuner2"] = self.have["st2"]
    have = {}

                ">=": curr >= ver,
                "<=": curr <= ver,
                "==": curr == ver,
                ">":  curr > ver,
                "<":  curr < ver,
                "!=": curr != ver,
            }
            #log.VERSION_COMPARE(name, " → (", curr, op, ver, ") == ", r)
            r &= tbl.get(op, True)
        return r


# Add plugin defaults to conf.* store
# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
# Utility function which applies plugin meta data to a config