# -*- coding: utf-8 -*-

"""

component

~~~~~~~~~

A module that implements various helper functions to help consume

components from popular package managers like bower.

:copyright: (c) 2013 by Daniel Chatfield

:license: MIT, see LICENSE for details.

"""

import os

import sys

setup_done = False

def setup(base_dir=None, depth=1, directory='components'):

"""Helper function that fixes python path.

:param base_dir: Pass __file__ so component knows where your application

files are.

:param depth: The number of times `os.path.dirname()` needs to be

called on `base_dir` to get the folder immediately

above bower_components Defaults to 1.

:param directory: The directory where the components are installed to.

Defaults to `components`.

"""

global setup_done

if setup_done:

return

if not base_dir:

base_dir = __file__

for i in range(depth):

base_dir = up_a_level(base_dir)

bower_path = os.path.join(base_dir, directory)

sys.path.insert(0, bower_path)

setup_done = True

def up_a_level(current_pointer):

"""A helper function to traverse up a level of the filesystem"""

return os.path.dirname(current_pointer)

def require(component_name):

"""A wrapper that allows importing of components as python packages

"""

setup()

return __import__(component_name)

def export(object):

pass