Esempio n. 1
0
    def installPackage(self, appRunner):
        """ Mounts the package and sets up system paths so it becomes
        available for use.  Returns true on success, false on failure. """

        assert self.hasPackage
        if self.installed:
            # Already installed.
            return True
        assert self not in appRunner.installedPackages

        mfPathname = Filename(self.getPackageDir(),
                              self.uncompressedArchive.filename)
        mf = Multifile()
        if not mf.openRead(mfPathname):
            self.notify.warning("Couldn't open %s" % (mfPathname))
            return False

        # We mount it under its actual location on disk.
        root = self.getPackageDir().cStr()

        vfs = VirtualFileSystem.getGlobalPtr()
        vfs.mount(mf, root, vfs.MFReadOnly)

        # Add this to the Python search path, if it's not already
        # there.  We have to take a bit of care to check if it's
        # already there, since there can be some ambiguity in
        # os-specific path strings.
        osRoot = self.getPackageDir().toOsSpecific()
        foundOnPath = False
        for p in sys.path:
            if osRoot == p:
                # Already here, exactly.
                foundOnPath = True
                break
            elif osRoot == Filename.fromOsSpecific(p).toOsSpecific():
                # Already here, with some futzing.
                foundOnPath = True
                break

        if not foundOnPath:
            # Not already here; add it.
            sys.path.append(osRoot)

        # Put it on the model-path, too.  We do this indiscriminantly,
        # because the Panda3D runtime won't be adding things to the
        # model-path, so it shouldn't be already there.
        getModelPath().appendDirectory(self.getPackageDir())

        # Set the environment variable to reference the package root.
        envvar = '%s_ROOT' % (self.packageName.upper())
        ExecutionEnvironment.setEnvironmentVariable(envvar, osRoot)

        # Add the package root to the system paths.
        if sys.platform.startswith('win'):
            path = os.environ.get('PATH', '')
            os.environ['PATH'] = "%s;%s" % (osRoot, path)
        else:
            path = os.environ.get('PATH', '')
            os.environ['PATH'] = "%s:%s" % (osRoot, path)
            path = os.environ.get('LD_LIBRARY_PATH', '')
            os.environ['LD_LIBRARY_PATH'] = "%s:%s" % (osRoot, path)

        if sys.platform == "darwin":
            path = os.environ.get('DYLD_LIBRARY_PATH', '')
            os.environ['DYLD_LIBRARY_PATH'] = "%s:%s" % (osRoot, path)

        # Now that the environment variable is set, read all of the
        # prc files in the package.
        appRunner.loadMultifilePrcFiles(mf, self.getPackageDir())

        # Also, find any toplevel Python packages, and add these as
        # shared packages.  This will allow different packages
        # installed in different directories to share Python files as
        # if they were all in the same directory.
        for filename in mf.getSubfileNames():
            if filename.endswith('/__init__.pyc') or \
               filename.endswith('/__init__.pyo') or \
               filename.endswith('/__init__.py'):
                components = filename.split('/')[:-1]
                moduleName = '.'.join(components)
                VFSImporter.sharedPackages[moduleName] = True

        # Fix up any shared directories so we can load packages from
        # disparate locations.
        VFSImporter.reloadSharedPackages()

        self.installed = True
        appRunner.installedPackages.append(self)

        self.markUsed()

        return True
Esempio n. 2
0
    def installPackage(self, appRunner):
        """ Mounts the package and sets up system paths so it becomes
        available for use.  Returns true on success, false on failure. """

        assert self.hasPackage
        if self.installed:
            # Already installed.
            return True
        assert self not in appRunner.installedPackages

        mfPathname = Filename(self.getPackageDir(), self.uncompressedArchive.filename)
        mf = Multifile()
        if not mf.openRead(mfPathname):
            self.notify.warning("Couldn't open %s" % (mfPathname))
            return False

        # We mount it under its actual location on disk.
        root = self.getPackageDir().cStr()

        vfs = VirtualFileSystem.getGlobalPtr()
        vfs.mount(mf, root, vfs.MFReadOnly)

        # Add this to the Python search path, if it's not already
        # there.  We have to take a bit of care to check if it's
        # already there, since there can be some ambiguity in
        # os-specific path strings.
        osRoot = self.getPackageDir().toOsSpecific()
        foundOnPath = False
        for p in sys.path:
            if osRoot == p:
                # Already here, exactly.
                foundOnPath = True
                break
            elif osRoot == Filename.fromOsSpecific(p).toOsSpecific():
                # Already here, with some futzing.
                foundOnPath = True
                break

        if not foundOnPath:
            # Not already here; add it.
            sys.path.append(osRoot)

        # Put it on the model-path, too.  We do this indiscriminantly,
        # because the Panda3D runtime won't be adding things to the
        # model-path, so it shouldn't be already there.
        getModelPath().appendDirectory(self.getPackageDir())

        # Set the environment variable to reference the package root.
        envvar = '%s_ROOT' % (self.packageName.upper())
        ExecutionEnvironment.setEnvironmentVariable(envvar, osRoot)

        # Now that the environment variable is set, read all of the
        # prc files in the package.
        appRunner.loadMultifilePrcFiles(mf, self.getPackageDir())

        # Also, find any toplevel Python packages, and add these as
        # shared packages.  This will allow different packages
        # installed in different directories to share Python files as
        # if they were all in the same directory.
        for filename in mf.getSubfileNames():
            if filename.endswith('/__init__.pyc') or \
               filename.endswith('/__init__.pyo') or \
               filename.endswith('/__init__.py'):
                components = filename.split('/')[:-1]
                moduleName = '.'.join(components)
                VFSImporter.sharedPackages[moduleName] = True

        # Fix up any shared directories so we can load packages from
        # disparate locations.
        VFSImporter.reloadSharedPackages()

        self.installed = True
        appRunner.installedPackages.append(self)

        self.markUsed()

        return True
Esempio n. 3
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. 4
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 Exception(
                "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. 5
0
getModelPath().appendDirectory(multifileRoot)
trueFileIO = False
if not trueFileIO:
    # 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.
    builtins.open = file.open
    if sys.version_info < (3, 0):
        builtins.file = file.open
        builtins.execfile = file.execfile
    os.listdir = file.listdir
    os.walk = file.walk
    os.path.join = file.join
    os.path.isfile = file.isfile
    os.path.isdir = file.isdir
    os.path.exists = file.exists
    os.path.lexists = file.lexists
    os.path.getmtime = file.getmtime
    os.path.getsize = file.getsize
    sys.modules['glob'] = glob
vfs = VirtualFileSystem.getGlobalPtr()
vfs.mount(Filename("app.p3d"), multifileRoot, VirtualFileSystem.MFReadOnly)
VFSImporter.register()
VFSImporter.reloadSharedPackages()
loadPrcFileData('', 'default-model-extension .bam')
dirName = Filename(multifileRoot).toOsSpecific()
importer = VFSImporter.VFSImporter(dirName)
loaderr = importer.find_module('__main__')
mainModule = loaderr.load_module('__main__')
#import Pinball