Beispiel #1
0
def boot(path, gtk=False, gst=True, installReactor=True):
    # python 2.5 and twisted < 2.5 don't work together
    pythonMM = sys.version_info[0:2]
    from twisted.copyright import version
    twistedMM = tuple([int(n) for n in version.split('.')[0:2]])
    if pythonMM >= (2, 5) and twistedMM < (2, 5):
        raise SystemError("Twisted versions older than 2.5.0 do not work with "
                          "Python 2.5 and newer.  "
                          "Please upgrade Twisted or downgrade Python.")

    if gtk or gst:
        init_gobject()

    if gtk:
        init_kiwi()

    if gst:
        from flumotion.configure import configure
        configure.gst_version = init_gst()

    global USE_GTK, USE_GST
    USE_GTK = gtk
    USE_GST = gst
    init_option_parser(gtk, gst)

    # installing the reactor could override our packager's import hooks ...
    if installReactor:
        from twisted.internet import gtk2reactor
        try:
            gtk2reactor.install(useGtk=gtk)
        except RuntimeError, e:
            safeprintf(sys.stderr, 'ERROR: %s\n', e)
            sys.exit(1)
Beispiel #2
0
def boot(path, gtk=False, gst=True, installReactor=True):
    # python 2.5 and twisted < 2.5 don't work together
    pythonMM = sys.version_info[0:2]
    from twisted.copyright import version
    twistedMM = tuple([int(n) for n in version.split('.')[0:2]])
    if pythonMM >= (2, 5) and twistedMM < (2, 5):
        raise SystemError(
            "Twisted versions older than 2.5.0 do not work with "
            "Python 2.5 and newer.  "
            "Please upgrade Twisted or downgrade Python.")

    if gtk or gst:
        init_gobject()

    if gtk:
        init_kiwi()

    if gst:
        from flumotion.configure import configure
        configure.gst_version = init_gst()
        from gi.repository import GstNet

    global USE_GTK, USE_GST
    USE_GTK=gtk
    USE_GST=gst
    init_option_parser(gtk, gst)

    # installing the reactor could override our packager's import hooks ...
    if installReactor:
        from twisted.internet import gtk3reactor
        try:
            gtk3reactor.install()
        except RuntimeError, e:
            safeprintf(sys.stderr, 'ERROR: %s\n', e)
            sys.exit(1)
Beispiel #3
0
    #
    # there is no race condition here -- the reactor doesn't handle
    # signals until it is run().
    reactor.killed = False

    def setkilled(killed):
        reactor.killed = killed

    reactor.addSystemEventTrigger('before', 'startup', setkilled, False)
    reactor.addSystemEventTrigger('before', 'shutdown', setkilled, True)

    from flumotion.twisted import reflect
    from flumotion.common import errors
    from flumotion.common import setup

    setup.setup()

    from flumotion.common import log
    log.logTwisted()

    main = reflect.namedAny(path)

    wrapped = wrap_for_profiling(main)
    wrapped.__name__ = main.__name__

    try:
        sys.exit(wrapped(sys.argv))
    except (errors.FatalError, SystemError), e:
        safeprintf(sys.stderr, 'ERROR: %s\n', e)
        sys.exit(1)
Beispiel #4
0
def boot(path, gtk=False, gst=True, installReactor=True):
    # python 2.5 and twisted < 2.5 don't work together
    pythonMM = sys.version_info[0:2]
    from twisted.copyright import version
    twistedMM = tuple([int(n) for n in version.split('.')[0:2]])
    if pythonMM >= (2, 5) and twistedMM < (2, 5):
        raise SystemError(
            "Twisted versions older than 2.5.0 do not work with "
            "Python 2.5 and newer.  "
            "Please upgrade Twisted or downgrade Python.")

    if gtk or gst:
        init_gobject()

    if gst:
        from flumotion.configure import configure
        configure.gst_version = init_gst()

    global USE_GTK, USE_GST
    USE_GTK=gtk
    USE_GST=gst
    init_option_parser(gtk, gst)

    # installing the reactor could override our packager's import hooks ...
    if installReactor:
        from twisted.internet import gtk2reactor
        gtk2reactor.install(useGtk=gtk)
    from twisted.internet import reactor

    # ... so we install them again here to be safe
    from flumotion.common import package
    package.getPackager().install()

    # this monkeypatched var exists to let reconnecting factories know
    # when they should warn about a connection being closed, and when
    # they shouldn't because the system is shutting down.
    #
    # there is no race condition here -- the reactor doesn't handle
    # signals until it is run().
    reactor.killed = False

    def setkilled(killed):
        reactor.killed = killed

    reactor.addSystemEventTrigger('before', 'startup', setkilled, False)
    reactor.addSystemEventTrigger('before', 'shutdown', setkilled, True)

    from flumotion.twisted import reflect
    from flumotion.common import errors
    from flumotion.common import setup

    setup.setup()

    from flumotion.common import log
    log.logTwisted()

    # we redefine catching
    __pychecker__ = 'no-reuseattr'

    if os.getenv('FLU_PROFILE'):

        def catching(proc, *args, **kwargs):
            import statprof
            statprof.start()
            try:
                return proc(*args, **kwargs)
            finally:
                statprof.stop()
                statprof.display()
    elif os.getenv('FLU_ATEXIT'):

        def catching(proc, *args, **kwargs):
            env = os.getenv('FLU_ATEXIT').split(' ')
            fqfn = env.pop(0)
            log.info('atexit', 'FLU_ATEXIT set, will call %s(*%r) on exit',
                     fqfn, env)
            atexitproc = reflect.namedAny(fqfn)

            try:
                return proc(*args, **kwargs)
            finally:
                log.info('atexit', 'trying to call %r(*%r)',
                         atexitproc, env)
                atexitproc(*env)
    else:

        def catching(proc, *args, **kwargs):
            return proc(*args, **kwargs)

    main = reflect.namedAny(path)

    try:
        sys.exit(catching(main, sys.argv))
    except (errors.FatalError, SystemError), e:
        safeprintf(sys.stderr, 'ERROR: %s\n', e)
        sys.exit(1)
Beispiel #5
0
    def addListener(self, listener, set=None, append=None, remove=None,
                    setitem=None, delitem=None, invalidate=None, set_=None):
        """
        Adds a listener to the remote cache.

        The caller will be notified of state events via the functions
        given as the 'set', 'append', and 'remove', 'setitem', and
        'delitem' keyword arguments.

        Always call this method using keyword arguments for the functions;
        calling them with positional arguments is not supported.

        Setting one of the event handlers to None will ignore that
        event. It is an error for all event handlers to be None.

        @param listener:   new listener object that wants to receive
                           cache state change notifications.
        @type  listener:   object implementing
                           L{flumotion.twisted.flavors.IStateListener}
        @param set_:       procedure to call when a value is set
        @type  set_:       procedure(object, key, value) -> None
        @param append:     procedure to call when a value is appended to a list
        @type  append:     procedure(object, key, value) -> None
        @param remove:     procedure to call when a value is removed from
                           a list
        @type  remove:     procedure(object, key, value) -> None
        @param setitem:    procedure to call when a value is set in a dict
        @type  setitem:    procedure(object, key, subkey, value) -> None
        @param delitem:    procedure to call when a value is removed
                           from a dict.
        @type  delitem:    procedure(object, key, subkey, value) -> None
        @param invalidate: procedure to call when this cache has been
                           invalidated.
        @type  invalidate: procedure(object) -> None
        """
        # F0.8: remove set
        if set:
            import warnings
            warnings.warn('Please use the set_ kwarg instead',
                DeprecationWarning, stacklevel=2)
            set_ = set

        if not (set_ or append or remove or setitem or delitem or invalidate):
            # FIXME: remove this behavior in F0.6
            import sys
            log.safeprintf(sys.stderr,
                           "Warning: Use of deprecated %r.addListener(%r)"
                           " without explicit event handlers\n", self,
                           listener)
            set_ = listener.stateSet
            append = listener.stateAppend
            remove = listener.stateRemove

        self._ensureListeners()
        if listener in self._listeners:
            raise KeyError(
                "%r is already a listener of %r" % (listener, self))
        self._listeners[listener] = [set_, append, remove, setitem,
                                     delitem, invalidate]
        if invalidate and hasattr(self, '_cache_invalid'):
            invalidate(self)
Beispiel #6
0
def boot(path, gtk=False, gst=True, installReactor=True):
    # python 2.5 and twisted < 2.5 don't work together
    pythonMM = sys.version_info[0:2]
    from twisted.copyright import version
    twistedMM = tuple([int(n) for n in version.split('.')[0:2]])
    if pythonMM >= (2, 5) and twistedMM < (2, 5):
        raise SystemError("Twisted versions older than 2.5.0 do not work with "
                          "Python 2.5 and newer.  "
                          "Please upgrade Twisted or downgrade Python.")

    if gtk or gst:
        init_gobject()

    if gtk:
        init_kiwi()

    if gst:
        from flumotion.configure import configure
        configure.gst_version = init_gst()

    global USE_GTK, USE_GST
    USE_GTK = gtk
    USE_GST = gst
    init_option_parser(gtk, gst)

    # installing the reactor could override our packager's import hooks ...
    if installReactor:
        from twisted.internet import gtk2reactor
        gtk2reactor.install(useGtk=gtk)
    from twisted.internet import reactor

    # ... so we install them again here to be safe
    from flumotion.common import package
    package.getPackager().install()

    # this monkeypatched var exists to let reconnecting factories know
    # when they should warn about a connection being closed, and when
    # they shouldn't because the system is shutting down.
    #
    # there is no race condition here -- the reactor doesn't handle
    # signals until it is run().
    reactor.killed = False

    def setkilled(killed):
        reactor.killed = killed

    reactor.addSystemEventTrigger('before', 'startup', setkilled, False)
    reactor.addSystemEventTrigger('before', 'shutdown', setkilled, True)

    from flumotion.twisted import reflect
    from flumotion.common import errors
    from flumotion.common import setup

    setup.setup()

    from flumotion.common import log
    log.logTwisted()

    main = reflect.namedAny(path)

    wrapped = wrap_for_profiling(main)
    wrapped.__name__ = main.__name__

    try:
        sys.exit(wrapped(sys.argv))
    except (errors.FatalError, SystemError), e:
        safeprintf(sys.stderr, 'ERROR: %s\n', e)
        sys.exit(1)
Beispiel #7
0
def boot(path, gtk=False, gst=True, installReactor=True):
    # python 2.5 and twisted < 2.5 don't work together
    pythonMM = sys.version_info[0:2]
    from twisted.copyright import version
    twistedMM = tuple([int(n) for n in version.split('.')[0:2]])
    if pythonMM >= (2, 5) and twistedMM < (2, 5):
        raise SystemError(
            "Twisted versions older than 2.5.0 do not work with "
            "Python 2.5 and newer.  "
            "Please upgrade Twisted or downgrade Python.")

    if gtk or gst:
        init_gobject()

    if gtk:
        init_kiwi()

    if gst:
        from flumotion.configure import configure
        configure.gst_version = init_gst()

    global USE_GTK, USE_GST
    USE_GTK=gtk
    USE_GST=gst
    init_option_parser(gtk, gst)

    # installing the reactor could override our packager's import hooks ...
    if installReactor:
        from twisted.internet import gtk2reactor
        gtk2reactor.install(useGtk=gtk)
    from twisted.internet import reactor

    # ... so we install them again here to be safe
    from flumotion.common import package
    package.getPackager().install()

    # this monkeypatched var exists to let reconnecting factories know
    # when they should warn about a connection being closed, and when
    # they shouldn't because the system is shutting down.
    #
    # there is no race condition here -- the reactor doesn't handle
    # signals until it is run().
    reactor.killed = False

    def setkilled(killed):
        reactor.killed = killed

    reactor.addSystemEventTrigger('before', 'startup', setkilled, False)
    reactor.addSystemEventTrigger('before', 'shutdown', setkilled, True)

    from flumotion.twisted import reflect
    from flumotion.common import errors
    from flumotion.common import setup

    setup.setup()

    from flumotion.common import log
    log.logTwisted()

    main = reflect.namedAny(path)

    wrapped = wrap_for_profiling(main)
    wrapped.__name__ = main.__name__

    try:
        sys.exit(wrapped(sys.argv))
    except (errors.FatalError, SystemError), e:
        safeprintf(sys.stderr, 'ERROR: %s\n', e)
        sys.exit(1)
Beispiel #8
0
    #
    # there is no race condition here -- the reactor doesn't handle
    # signals until it is run().
    reactor.killed = False

    def setkilled(killed):
        reactor.killed = killed

    reactor.addSystemEventTrigger('before', 'startup', setkilled, False)
    reactor.addSystemEventTrigger('before', 'shutdown', setkilled, True)

    from flumotion.twisted import reflect
    from flumotion.common import errors
    from flumotion.common import setup

    setup.setup()

    from flumotion.common import log
    log.logTwisted()

    main = reflect.namedAny(path)

    wrapped = wrap_for_profiling(main)
    wrapped.__name__ = main.__name__

    try:
        sys.exit(wrapped(sys.argv))
    except (errors.FatalError, SystemError), e:
        safeprintf(sys.stderr, 'ERROR: %s\n', e)
        sys.exit(1)