MemWeb/Python/Abstracts/MemWeb.Abstracts.Common.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

class Anonymous:

    def __init__(self, mem_web, key):
        self.mem_web = mem_web
        self.__key = key

        self.__started = False

        for key in ("settings", "i18n", "_print", "exception", "validate"):
            hasattr(self, key) or setattr(self, key, getattr(mem_web, key))

    def start(self, callback = None):

        self._print("info", "mem_web_" + self.__key + "_starting")

        end = lambda status:MemWeb.execute(callback, status)

        if self.__started:
            self._print("warn", "mem_web_" + self.__key + "_already_started")
            end(False)
            return False

        if hasattr(self, "_start"):
            MemWeb.execute(self._start, end)
            self.__started = True
        else:
            self.__started = True
            self._print("ok", "mem_web_" + self.__key + "_started")
            end(True)

        return True

    def close(self, callback = None):

        self._print("info", "mem_web_" + self.__key + "_closing")

        end = lambda status:MemWeb.execute(callback, status)

        if not self.__started:
            self._print("warn", "mem_web_" + self.__key + "_already_closed")
            end(False)
            return False

        if hasattr(self, "_close"):
            MemWeb.execute(self._close, end)
            self.__started = False
        else:
            self.__started = False
            self._print("ok", "mem_web_" + self.__key + "_closed")
            end(True)

        return True

    def is_started(self):
        return self.__started

if "MemWeb" not in globals():
    class MemWeb:pass
if not hasattr(MemWeb, "Abstracts"):
    class SubAnonymous:pass
    MemWeb.Abstracts = SubAnonymous
    del globals()["SubAnonymous"]
MemWeb.Abstracts.Common = Anonymous
del globals()["Anonymous"]