import os

import sys

import re

from optparse import OptionParser

from pythonbrew import commands

command_dict = {}

class Command(object):

name = None

usage = None

summary = ""

def __init__(self):

self.parser = OptionParser(usage=self.usage,

prog='%s %s' % ("pythonbrew", self.name))

command_dict[self.name] = self

def run(self, args):

options, args = self.parser.parse_args(args)

self.run_command(options, args)

def load_command(name):

full_name = 'pythonbrew.commands.%s' % name

if full_name in sys.modules:

return

try:

__import__(full_name)

except ImportError:

pass

def load_all_commands():

for name in command_names():

load_command(name)

def command_names():

return [path[:-3] for path in os.listdir(commands.__path__[0]) if not re.match("(__init__\.py$|.*\.pyc$)", path)]