def __getattribute__(self, n):
try:
return object.__getattribute__(self, n)
except AttributeError as ex:
if n.startswith("__"):
raise ex
# not found ...
# perhaps it is a class?
subname = "{0}.{1}".format(self.__name, n)
if not _jpype.isStarted():
import warnings
warnings.warn(
"JVM not started yet, can not inspect JPackage contents")
return n
if not _jpype.isThreadAttachedToJVM():
_jpype.attachThreadToJVM()
cc = _jpype.findClass(subname)
if cc is None:
# can only assume it is a sub-package then ...
cc = JPackage(subname)
else:
cc = _jclass._getClassFor(cc)
self.__setattr__(n, cc, True)
return cc
def attachThreadToJVM():
""" Attaches a thread to the JVM.
The function manually connects a thread to the JVM to allow access to
Java objects and methods. JPype automatically attaches when a Java
resource is used, so a call to this is usually not needed.
Raises:
RuntimeError: If the JVM is not running.
"""
_jpype.attachThreadToJVM()
def attach():
""" Attaches the current thread to the JVM as a user thread.
User threads that are attached to the JVM will prevent the JVM from
shutting down until the thread is terminated or detached. To convert
a daemon thread to a main thread, the thread must first be detached.
Raises:
RuntimeError: If the JVM is not running.
"""
return _jpype.attachThreadToJVM()
def __getattribute__(self, n):
try:
return object.__getattribute__(self, n)
except:
# not found ...
# perhaps it is a class?
subname = "{0}.{1}".format(self.__name, n)
if not _jpype.isStarted():
import warnings
warnings.warn("JVM not started yet, can not inspect JPackage contents")
return n
if not _jpype.isThreadAttachedToJVM():
_jpype.attachThreadToJVM()
cc = _jpype.findClass(subname)
if cc is None:
# can only assume it is a sub-package then ...
cc = JPackage(subname)
else:
cc = _jclass._getClassFor(cc)
self.__setattr__(n, cc, True)
return cc
def attachThreadToJVM():
_jpype.attachThreadToJVM()
def _run():
_jpype.attachThreadToJVM()
_jpype.startReferenceQueue(0)
def attachThreadToJVM() :
_jpype.attachThreadToJVM()
def testDetachThread(self):
self.assertTrue(_jpype.isThreadAttachedToJVM())
_jpype.detachThreadFromJVM()
self.assertFalse(_jpype.isThreadAttachedToJVM())
_jpype.attachThreadToJVM()
def testAttachThread(self):
_jpype.fault("PyJPModule_attachThread")
with self.assertRaisesRegex(SystemError, "fault"):
_jpype.attachThreadToJVM()
def _run():
_jpype.attachThreadToJVM()
_jpype.startReferenceQueue(0)
threading.Thread(target=_run).start()
def _run():
_jpype.attachThreadToJVM()
_jpype.startReferenceQueue(0)
threading.Thread(target=_run).start()
def _run() :
_jpype.attachThreadToJVM()
_jpype.startReferenceQueue(0)
thread.start_new_thread(_run, tuple())
