Source code for kern

# kern/__init__.py
#
#

""" KERN package - kernel, plugs, cfg, fleet """

__copyright__ = "Copyright 2015, B.H.J Thate"
__version__ = 16

## IMPORTS

from kern.utils.opts import make_opts, opts_defs
from kern.utils.other import hello, show_eggs
from kern.cfg import cfg_kernel
from kern.thing import Thing
from kern.plugs import Plugs
from kern.log import init

import logging
import time
import sys
import os

## PATH

def kernpath():
    for path in sys.path:
        if "kern" in path and "egg" in path: yield path  

## KERNEL

class Kernel(Plugs):

    def boot(zelf, *args, **kwargs):
        zelf._start = time.time()
        opts, arglist = make_opts(opts_defs)
        cfg.update(cfg_kernel)
        cfg.update(vars(opts))
        for key,value in kwargs.items():
            if not getattr(cfg , key, ""): cfg[key] = value
        if not cfg.workdir: cfg.workdir = os.path.expanduser("~/kern.data")
        cfg.runargs = arglist
        cfg.shell = True
        if arglist: cfg.shell = False ; init("error")
        else: init(cfg.loglevel, colors=cfg.colors)
        if cfg.shell and args: hello(*args, **cfg)
        if cfg.path:
            for path in sys.path: print(path)
            print()
        plugs.boot(cfg.packages)
        if "all" in cfg.eggs: plugs.loaddir(os.getcwd())
        else:
            for mod in cfg.eggs.split(","):
                if not mod: continue
                try: plugs.load(mod)
                except Exception as ex: print(ex)
        plugs.init("system")
        zelf.ready()
        return zelf

    def shutdown(zelf, *args, **kwargs):
        logging.warn("# shutdown")
        plugs.shutdown(cfg.packages)

## DEFINITIES

kernel = Kernel()
plugs = Plugs()
cfg = Thing()
fleet = []