BeeWatch/lib/beewatch/config/__init__.py

#!/usr/bin/env python3.5
# Copyright 2017 Digital
#
# This file is part of BeeWatch.
#
# BeeWatch is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# BeeWatch is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with BeeWatch.  If not, see <http://www.gnu.org/licenses/>.


class Configure(object):
    """
    Configure BeeWatch from a dict
    This class is inspired by logging.config
    (https://github.com/python/cpython/blob/3.6/Lib/logging/config.py)
    """
    def __init__(self,config):
        super(Configure,self).__init__()
        self.configure(config)
        self.config = {}
    def configure(self,config):
        config_keys = ["controllers","commands"]
        for name,properties in config.pop("controllers"):
            target = properties.pop("target")
            if not callable(target):
                target = self.str_to_callable(target)
            self.retconf["controllers"][name] = target(**ctrl)
        for name,function in config.pop("commands"):
            if not callable(function):
                function = self.str_to_callable()
            self.retconf[commands][name] = function
    def str_to_callable(self,dotted_str):
        parts = dotted_str.split(".")
        next_to_import = parts.pop(0)
        converted = None
        for p in parts:
            if not hasattr(imported,p):
                __import__(next_to_import)
            converted = getattr(converted,p)
            next_to_import += "." + p
        return converted
    for n in name:
        used = used + '.' + n
        try:
            found = getattr(found, n)
        except AttributeError:
            __import__(used)
            found = getattr(found, n)
    return found

























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