configure_dotfiles

#!/usr/bin/env python

'''
This script is run after user login. It parses my dotfile config
(~/.config/dotfiles.yml), and sets environment variables which my other
dotfiles can read in order to be informed of the options I want set.
This script only works with python 3.
'''

import os, subprocess
try:
    import yaml
except ImportError:
    print("PyYaml not found! Please make sure PyYaml is installed for Python 3 and try again.")
    sys.exit(1)

def set_envvar(name, value):
    envvar_name = "DUDELSON_CONFIG_" + name
    if type(value) == bool:
        envvar_value = '1' if value else '0'
    else:
        envvar_value = str(value)
    os.environ[envvar_name] = envvar_value

if __name__ == '__main__':
    # set environment variables from YAML
    path = os.path.expanduser("~/.config/dotfiles.yml")
    with open(path) as f:
        data = yaml.load(f)
        set_envvar('MONITOR_RESOLUTION_X', data['monitor_resolution_x'])
        set_envvar('MONITOR_RESOLUTION_Y', data['monitor_resolution_y'])
        set_envvar('N_MONITORS', len(data['monitors']))
        for i, monitor in enumerate(data['monitors']):
            var_name = 'MONITOR_' + str(i)
            set_envvar(var_name, monitor)
        set_envvar('ENABLE_COMPOSITING', data['enable_compositing'])
        set_envvar('ENABLE_JAPANESE_IME', data['enable_japanese_ime'])
        set_envvar('SWAP_CAPS_CTRL', data['swap_caps_ctrl'])
        set_envvar('ENABLE_POWERLINE', data['enable_powerline'])
    # start X
    subprocess.Popen(['startx'])