xcthemeinstaller.py

#!/usr/bin/env python

from __future__ import print_function
import json
import os
import shutil
import sys
import subprocess
import urllib2

PACKAGES_URL = "https://raw.githubusercontent.com/alcatraz/alcatraz-packages/master/packages.json"
THEME_PATH = os.path.join(os.environ['HOME'], "Library/Developer/Xcode/UserData/FontAndColorThemes")

def get_packages():
    return json.load(urllib2.urlopen(PACKAGES_URL))

def install_theme(scheme):
    if not os.path.isdir(THEME_PATH):
        os.mkdir(THEME_PATH)
    pwd = os.curdir
    os.chdir(THEME_PATH)
    subprocess.call("curl -O " + scheme[u'url'], shell=True)
    os.chdir(pwd)

def delete_theme(scheme):
    fname = os.path.basename(scheme[u'url'])
    scheme_path = os.path.join(THEME_PATH, fname)
    if os.path.exists(scheme_path):
        os.remove(scheme_path)

def is_installed(scheme):
    fname = os.path.basename(scheme[u'url'])
    return os.path.exists(os.path.join(THEME_PATH, fname))

packages = get_packages()
color_schemes = packages[u'packages'][u'color_schemes']

if len(sys.argv) == 2:
    act_scheme = color_schemes[int(sys.argv[1])]
    do_delete = is_installed(act_scheme)
    txt_prefix = do_delete and "delete" or "install"
    print(txt_prefix + ' ' + act_scheme[u'name'] + ' N/y:',)
    if raw_input().lower() == 'y':
        if do_delete:
            delete_theme(act_scheme)
        else:
            install_theme(act_scheme)
    exit(0)

for i, act_scheme in enumerate(color_schemes):
    installed = is_installed(act_scheme)
    print("{} {:3d} {}".format(installed and u'*' or u' ', i, act_scheme[u'name']))