def runPackedApp(args): if not args: raise ArgumentError, "No Panda app specified. Use:\npython RunAppMF.py app.mf" vfs = VirtualFileSystem.getGlobalPtr() fname = Filename.fromOsSpecific(args[0]) if not vfs.exists(fname): raise ArgumentError, "No such file: %s" % (args[0]) mf = Multifile() if not mf.openRead(fname): raise ArgumentError, "Not a Panda Multifile: %s" % (args[0]) # Clear *all* the mount points, including "/", so that we no # longer access the disk directly. vfs.unmountAll() # Mount the Multifile under /mf, by convention, and make that our # "current directory". vfs.mount(mf, MultifileRoot, vfs.MFReadOnly) vfs.chdir(MultifileRoot) # Make sure the directories on our standard Python path are mounted # read-only, so we can still load Python. for dirname in sys.path: vfs.mount(dirname, dirname, vfs.MFReadOnly) # Also mount some standard directories read-write (temporary and # app-data directories). tdir = Filename.temporary('', '') for dirname in set([ tdir.getDirname(), Filename.getTempDirectory().cStr(), Filename.getUserAppdataDirectory().cStr(), Filename.getCommonAppdataDirectory().cStr() ]): vfs.mount(dirname, dirname, 0) # Now set up Python to import this stuff. VFSImporter.register() sys.path = [ MultifileRoot ] + sys.path # Put our root directory on the model-path and prc-path, too. getModelPath().prependDirectory(MultifileRoot) # Load the implicit App.prc file. loadPrcFileData(AppPrcFilename, AppPrc) # Load any prc files in the root. We have to load them # explicitly, since the ConfigPageManager can't directly look # inside the vfs. for f in vfs.scanDirectory(MultifileRoot): if f.getFilename().getExtension() == 'prc': data = f.readFile(True) loadPrcFileData(f.getFilename().cStr(), data) # Replace the builtin open and file symbols so user code will get # our versions by default, which can open and read files out of # the multifile. __builtin__.file = file.file __builtin__.open = file.open os.listdir = file.listdir os.walk = file.walk import main if hasattr(main, 'main') and callable(main.main): main.main()