bebraw

import inspect

class Commands(list):
    def __init__(self, commands):
        commands = commands if commands else []

        if not hasattr(commands, '__iter__'):
            commands = [commands]
        
        super(Commands, self).__init__(commands)

bebraw

from file import PluginDirectory
from interpreter import Interpreter
from plugin_loader import PluginLoader
 
class Application:
 
    def run(self):
        plugin_loader = PluginLoader()
        plugin_directory = PluginDirectory()
        commands = plugin_loader.load(plugin_directory)

bebraw

class Python:
    priority = 'low'

    def matches(self, expression):
        return True

    def execute(self, expression, variables):
        '''
        >>> python = Python()

bebraw

class PluginLoader:

    def load(self, directory):
        ret = []

        for plugin in directory.children:
            plugin_file = plugin.find(name=plugin.name, type='py')
            plugin_class = plugin_file.classes[plugin.name]

            self._check_attributes(plugin_class)

bebraw

import re

class Assignment:

    def matches(self, expression):
        '''
        >>> assignment = Assignment()

        >>> assignment.matches('a=5')
        True

bebraw

class Python:
    priority = 'low'

    def matches(self, expression):
        return True

    def execute(self, expression, variables):
        '''
        >>> from py.test import raises

bebraw

import inspect

class Commands(list):
    def __init__(self, commands):
        commands = commands if commands else []

        if not hasattr(commands, '__iter__'):
            commands = [commands]
        
        super(Commands, self).__init__(commands)

bebraw

...

    def interpret(self, expression):
        possible_parameters = {'commands': self.commands,
            'expression': expression, 'variables': self.variables}

        try:
            command = self.commands.match(expression)
            args = self._get_args(command.execute)
            params = self._find_parameters(possible_parameters, args)

bebraw

import inspect

class Commands(list):
    def __init__(self, commands=None):
        commands = commands if commands else []

        if not hasattr(commands, '__iter__'):
            commands = [commands]
        
        super(Commands, self).__init__(commands)

bebraw

from file import PluginDirectory
from interpreter import Interpreter
from plugin_loader import PluginLoader
 
class Application:
 
    def run(self):
        plugin_loader = PluginLoader()
        plugin_directory = PluginDirectory()
        commands = plugin_loader.load(plugin_directory)