Theme via File Path in Sublime Text 3

WindowColor.py

# checks settings and changes the theme depending on the file location
# default_folder_theme: string of the theme to use normally
# folder_themes: object with key/value of find/theme
# ex: {
#   "trunk": "Packages/User/trunk.tmTheme",
#   "alt/folder": "Packages/User/darkUi.tmTheme"
# }

import sublime
import sublime_plugin


class WindowColorSchemeCommand(sublime_plugin.TextCommand):

  def run(self, edit):

    themeSet = 0
    settings = self.view.settings().get("folder_themes")
    defaultTo = self.view.settings().get("default_folder_theme")

    # check each defined folder name
    for ( attr, value ) in settings.items():

      # if it's a match, replace the theme
      if themeSet == 0 and attr != '' and attr in self.view.file_name():
        themeSet = 1
        self.view.settings().set("color_scheme", value )

    # theme wasn't changed - use the default
    if themeSet == 0:
      self.view.settings().set("color_scheme", defaultTo )


class WindowColorSchemeEventListener(sublime_plugin.EventListener):

  def on_load_async(self, view):
    view.run_command("window_color_scheme")