renpy/launcher/game/dmgcheck.rpy

# Copyright 2004-2023 Tom Rothamel <pytom@bishoujo.us>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

# This file checks to see if we're inside a dmg, and displays an error
# message to the player if we are.


init python:

    def dmgcheck():

        if not renpy.macintosh:
            return

        fn = os.path.join(config.renpy_base, "dmgcheck.txt")

        try:
            if os.path.exists(fn):
                os.unlink(fn)

            with open(fn, "w") as f:
                f.write("Testing to see if we're in a DMG.\r\n")

            os.unlink(fn)
            return

        except Exception:

            # If we're here, we didn't make it through the checks safely. So
            # put up a warning message.

            interface.info(
                message=_("Ren'Py is running from a read only folder. Some functionality will not work."),
                submessage=_("This is probably because Ren'Py is running directly from a Macintosh drive image. To fix this, quit this launcher, copy the entire %s folder somewhere else on your computer, and run Ren'Py again.") % (os.path.basename(config.renpy_base)),
            )