Bring me for Caster

bringme.json

{
    "Caster": "https://caster.readthedocs.io/en/latest/", 
    "Dragonfly": "https://dragonfly2.readthedocs.io/en/latest/", 
    "Google": "https://www.google.com", 
    "libraries": "%USERPROFILE%", 
    "my documents": "%USERPROFILE%\\Documents", 
    "my pictures": "%USERPROFILE%\\Pictures", 
    "notepad": "notepad"
}

bringme.py

import os
import webbrowser
import threading

from dragonfly import Grammar, Choice, Function, Dictation

from caster.lib import control, context, utilities, settings
from caster.lib.dfplus.merge.selfmodrule import SelfModifyingRule
from caster.lib.dfplus.state.short import R

config = utilities.load_json_file(settings.SETTINGS["paths"]["BRINGME_PATH"])

def reload():
    bring_rule.reset(_rebuild_mapping())

#module functions
def bring_it(item):
    '''
    Currently simply invoke os.startfile. New thread keeps Dragon from crashing. 
    '''
    threading.Thread(target=os.startfile, args=(item,)).start()

def bring_add(launch, key):
    '''
    Add current program or highlighted text to bring me
    '''
    if launch=="program":
        path = utilities.get_active_window_path()
    else:
        path = context.read_selected_without_altering_clipboard()
    config[str(key)] = path
    utilities.save_json_file(config, settings.SETTINGS["paths"]["BRINGME_PATH"])
    reload()

def bring_remove(key):
    '''
    Remove item from bring me
    '''
    del config[str(key)]
    utilities.save_json_file(config, settings.SETTINGS["paths"]["BRINGME_PATH"])
    reload()

def _rebuild_mapping():
    return {key: os.path.expandvars(value) for key, value in config.iteritems()}

class BringRule(SelfModifyingRule):
    pronunciation = "bring me"
    
    mapping = {
       "bring me <item>":
            R(Function(bring_it), rdescript="Launch preconfigured program, folder or website"),
       "<launch> to bring me as <key>":
            R(Function(bring_add), rdescript="Launch preconfigured program, folder or website"),
       "remove <item> from bring me":
            R(Function(bring_remove), rdescript="Launch preconfigured program, folder or website"),
    }
    
    extras = [
        Choice("item", _rebuild_mapping()),
        Choice("launch", {
            "[current] program": "program",
            "website": "website",
            "folder": "folder",
        }),
        Dictation("key"),
    ]

bring_rule = BringRule()
# bring_rule.set_merger(control.nexus().merger)
control.nexus().merger.add_selfmodrule(bring_rule)