RF start-up script that adds a menu item which saves all open fonts.

menu_item-save_all_fonts.py

from AppKit import NSApp, NSMenuItem, NSAlternateKeyMask, NSCommandKeyMask
from mojo.tools import CallbackWrapper
from mojo.subscriber import Subscriber, registerRoboFontSubscriber
from mojo.UI import PutFile

class saveAllFontsMenuItem(Subscriber):
    
    '''
    A startup script that places a menu item in the File dropdown menu.
    Clicking this item will save all open fonts and disregard any other
    types of unsaved documents like scripts.
    
    Ryan Bugden
    '''
    
    def build(self):
        # put in the menu item
        title = "Save All Open Fonts"

        self.main_menu = NSApp().mainMenu()
        font_menu = self.main_menu.itemWithTitle_("File")
        if not font_menu:
            print("Save All Fonts Menu Item - Error")
            return

        font_menu = font_menu.submenu()
        if font_menu.itemWithTitle_(title):
            return
            
        index = font_menu.indexOfItemWithTitle_("Save All")
        self.target = CallbackWrapper(self.saveAllFonts)
        self.new_item = NSMenuItem.alloc().initWithTitle_action_keyEquivalent_(title, "action:", "")
        # self.new_item.setKeyEquivalentModifierMask_(NSAlternateKeyMask | NSCommandKeyMask)
        self.new_item.setTarget_(self.target)
        # self.new_item.setIndentationLevel_(1)

        font_menu.insertItem_atIndex_(self.new_item, index+1)

    def saveAllFonts(self, sender):
        for f in AllFonts():
            if f.path == None:
                fam_name, sty_name = str(f.info.familyName), str(f.info.styleName)
                path = PutFile(f"Save {fam_name} {sty_name} as...", f"{fam_name}-{sty_name}.ufo")
                f.save(path)
            else:
                f.save()

if __name__ == '__main__':
    registerRoboFontSubscriber(saveAllFontsMenuItem)