Esempio n. 1
0
    def setP3DFilename(self,
                       p3dFilename,
                       tokens,
                       argv,
                       instanceId,
                       interactiveConsole,
                       p3dOffset=0,
                       p3dUrl=None):
        """ Called by the browser to specify the p3d file that
        contains the application itself, along with the web tokens
        and/or command-line arguments.  Once this method has been
        called, the application is effectively started. """

        # One day we will have support for multiple instances within a
        # Python session.  Against that day, we save the instance ID
        # for this instance.
        self.instanceId = instanceId

        self.tokens = tokens
        self.argv = argv

        # We build up a token dictionary with care, so that if a given
        # token appears twice in the token list, we record only the
        # first value, not the second or later.  This is consistent
        # with the internal behavior of the core API.
        self.tokenDict = {}
        for token, keyword in tokens:
            self.tokenDict.setdefault(token, keyword)

        # Also store the arguments on sys, for applications that
        # aren't instance-ready.
        sys.argv = argv

        # That means we now know the altHost in effect.
        self.altHost = self.tokenDict.get('alt_host', None)

        # Tell the browser that Python is up and running, and ready to
        # respond to queries.
        self.notifyRequest('onpythonload')

        # Now go load the applet.
        fname = Filename.fromOsSpecific(p3dFilename)
        vfs = VirtualFileSystem.getGlobalPtr()

        if not vfs.exists(fname):
            raise ArgumentError, "No such file: %s" % (p3dFilename)

        fname.makeAbsolute()
        fname.setBinary()
        mf = Multifile()
        if p3dOffset == 0:
            if not mf.openRead(fname):
                raise ArgumentError, "Not a Panda3D application: %s" % (
                    p3dFilename)
        else:
            if not mf.openRead(fname, p3dOffset):
                raise ArgumentError, "Not a Panda3D application: %s at offset: %s" % (
                    p3dFilename, p3dOffset)

        # Now load the p3dInfo file.
        self.p3dInfo = None
        self.p3dPackage = None
        self.p3dConfig = None
        self.allowPythonDev = False

        i = mf.findSubfile('p3d_info.xml')
        if i >= 0 and hasattr(core, 'readXmlStream'):
            stream = mf.openReadSubfile(i)
            self.p3dInfo = core.readXmlStream(stream)
            mf.closeReadSubfile(stream)
        if self.p3dInfo:
            self.p3dPackage = self.p3dInfo.FirstChildElement('package')
        if self.p3dPackage:
            self.p3dConfig = self.p3dPackage.FirstChildElement('config')

            xhost = self.p3dPackage.FirstChildElement('host')
            while xhost:
                self.__readHostXml(xhost)
                xhost = xhost.NextSiblingElement('host')

        if self.p3dConfig:
            allowPythonDev = self.p3dConfig.Attribute('allow_python_dev')
            if allowPythonDev:
                self.allowPythonDev = int(allowPythonDev)
            guiApp = self.p3dConfig.Attribute('gui_app')
            if guiApp:
                self.guiApp = int(guiApp)

            trueFileIO = self.p3dConfig.Attribute('true_file_io')
            if trueFileIO:
                self.trueFileIO = int(trueFileIO)

        # The interactiveConsole flag can only be set true if the
        # application has allow_python_dev set.
        if not self.allowPythonDev and interactiveConsole:
            raise StandardError, "Impossible, interactive_console set without allow_python_dev."
        self.interactiveConsole = interactiveConsole

        if self.allowPythonDev:
            # Set the fps text to remind the user that
            # allow_python_dev is enabled.
            ConfigVariableString('frame-rate-meter-text-pattern').setValue(
                'allow_python_dev %0.1f fps')

        if self.guiApp:
            init_app_for_gui()

        self.initPackedAppEnvironment()

        # Mount the Multifile under self.multifileRoot.
        vfs.mount(mf, self.multifileRoot, vfs.MFReadOnly)
        self.p3dMultifile = mf
        VFSImporter.reloadSharedPackages()

        self.loadMultifilePrcFiles(mf, self.multifileRoot)
        self.gotP3DFilename = True
        self.p3dFilename = fname
        if p3dUrl:
            # The url from which the p3d file was downloaded is
            # provided if available.  It is only for documentation
            # purposes; the actual p3d file has already been
            # downloaded to p3dFilename.
            self.p3dUrl = core.URLSpec(p3dUrl)

        # Send this call to the main thread; don't call it directly.
        messenger.send('AppRunner_startIfReady', taskChain='default')
Esempio n. 2
0
    def setP3DFilename(self, p3dFilename, tokens, argv, instanceId,
                       interactiveConsole, p3dOffset = 0, p3dUrl = None):
        """ Called by the browser to specify the p3d file that
        contains the application itself, along with the web tokens
        and/or command-line arguments.  Once this method has been
        called, the application is effectively started. """

        # One day we will have support for multiple instances within a
        # Python session.  Against that day, we save the instance ID
        # for this instance.
        self.instanceId = instanceId

        self.tokens = tokens
        self.argv = argv

        # We build up a token dictionary with care, so that if a given
        # token appears twice in the token list, we record only the
        # first value, not the second or later.  This is consistent
        # with the internal behavior of the core API.
        self.tokenDict = {}
        for token, keyword in tokens:
            self.tokenDict.setdefault(token, keyword)

        # Also store the arguments on sys, for applications that
        # aren't instance-ready.
        sys.argv = argv

        # That means we now know the altHost in effect.
        self.altHost = self.tokenDict.get('alt_host', None)

        # Tell the browser that Python is up and running, and ready to
        # respond to queries.
        self.notifyRequest('onpythonload')

        # Now go load the applet.
        fname = Filename.fromOsSpecific(p3dFilename)
        vfs = VirtualFileSystem.getGlobalPtr()

        if not vfs.exists(fname):
            raise ArgumentError, "No such file: %s" % (p3dFilename)

        fname.makeAbsolute()
        fname.setBinary()
        mf = Multifile()
        if p3dOffset == 0:
            if not mf.openRead(fname):
                raise ArgumentError, "Not a Panda3D application: %s" % (p3dFilename)
        else:
            if not mf.openRead(fname, p3dOffset):
                raise ArgumentError, "Not a Panda3D application: %s at offset: %s" % (p3dFilename, p3dOffset)

        # Now load the p3dInfo file.
        self.p3dInfo = None
        self.p3dPackage = None
        self.p3dConfig = None
        self.allowPythonDev = False

        i = mf.findSubfile('p3d_info.xml')
        if i >= 0 and hasattr(core, 'readXmlStream'):
            stream = mf.openReadSubfile(i)
            self.p3dInfo = core.readXmlStream(stream)
            mf.closeReadSubfile(stream)
        if self.p3dInfo:
            self.p3dPackage = self.p3dInfo.FirstChildElement('package')
        if self.p3dPackage:
            self.p3dConfig = self.p3dPackage.FirstChildElement('config')

            xhost = self.p3dPackage.FirstChildElement('host')
            while xhost:
                self.__readHostXml(xhost)
                xhost = xhost.NextSiblingElement('host')

        if self.p3dConfig:
            allowPythonDev = self.p3dConfig.Attribute('allow_python_dev')
            if allowPythonDev:
                self.allowPythonDev = int(allowPythonDev)
            guiApp = self.p3dConfig.Attribute('gui_app')
            if guiApp:
                self.guiApp = int(guiApp)

            trueFileIO = self.p3dConfig.Attribute('true_file_io')
            if trueFileIO:
                self.trueFileIO = int(trueFileIO)

        # The interactiveConsole flag can only be set true if the
        # application has allow_python_dev set.
        if not self.allowPythonDev and interactiveConsole:
            raise StandardError, "Impossible, interactive_console set without allow_python_dev."
        self.interactiveConsole = interactiveConsole

        if self.allowPythonDev:
            # Set the fps text to remind the user that
            # allow_python_dev is enabled.
            ConfigVariableString('frame-rate-meter-text-pattern').setValue('allow_python_dev %0.1f fps')

        if self.guiApp:
            init_app_for_gui()

        self.initPackedAppEnvironment()

        # Mount the Multifile under self.multifileRoot.
        vfs.mount(mf, self.multifileRoot, vfs.MFReadOnly)
        self.p3dMultifile = mf
        VFSImporter.reloadSharedPackages()

        self.loadMultifilePrcFiles(mf, self.multifileRoot)
        self.gotP3DFilename = True
        self.p3dFilename = fname
        if p3dUrl:
            # The url from which the p3d file was downloaded is
            # provided if available.  It is only for documentation
            # purposes; the actual p3d file has already been
            # downloaded to p3dFilename.
            self.p3dUrl = core.URLSpec(p3dUrl)

        # Send this call to the main thread; don't call it directly.
        messenger.send('AppRunner_startIfReady', taskChain = 'default')