class MemoryManagementText(unittest.TestCase):
def setUp(self):
self.p = start_example_app_process()
# This is to ensure that the server is started before connecting to it!
time.sleep(1)
def tearDown(self):
safe_shutdown(self)
self.p.join()
gc.collect()
def testNoAttach(self):
self.gateway = JavaGateway()
gateway2 = JavaGateway()
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append('Hello World')
self.gateway.shutdown()
try:
sb.append('Python')
self.fail('Should have failed')
except Exception:
self.assertTrue(True)
try:
sb2 = gateway2.jvm.java.lang.StringBuffer()
sb2.append('Python')
self.fail('Should have failed')
except Exception:
self.assertTrue(True)
def testDetach(self):
self.gateway = JavaGateway()
gc.collect()
finalizers_size_start = len(ThreadSafeFinalizer.finalizers)
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append('Hello World')
self.gateway.detach(sb)
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append('Hello World')
sb2._detach()
gc.collect()
self.assertEqual(len(ThreadSafeFinalizer.finalizers) -
finalizers_size_start, 0)
self.gateway.shutdown()
class MemoryManagementText(unittest.TestCase):
def setUp(self):
self.p = start_example_app_process()
# This is to ensure that the server is started before connecting to it!
time.sleep(1)
def tearDown(self):
safe_shutdown(self)
self.p.join()
gc.collect()
def testNoAttach(self):
self.gateway = JavaGateway()
gateway2 = JavaGateway()
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append('Hello World')
self.gateway.shutdown()
try:
sb.append('Python')
self.fail('Should have failed')
except Exception:
self.assertTrue(True)
try:
sb2 = gateway2.jvm.java.lang.StringBuffer()
sb2.append('Python')
self.fail('Should have failed')
except Exception:
self.assertTrue(True)
def testDetach(self):
self.gateway = JavaGateway()
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append('Hello World')
self.gateway.detach(sb)
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append('Hello World')
sb2._detach()
gc.collect()
self.assertEqual(len(ThreadSafeFinalizer.finalizers), 1)
self.gateway.shutdown()
class MemoryManagementTest(unittest.TestCase):
def setUp(self):
self.p = start_example_app_process()
# This is to ensure that the server is started before connecting to it!
time.sleep(1)
def tearDown(self):
safe_shutdown(self)
self.p.join()
gc.collect()
def testNoAttach(self):
self.gateway = JavaGateway()
gateway2 = JavaGateway()
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append('Hello World')
self.gateway.shutdown()
self.assertRaises(Exception, lambda: sb.append('Python'))
self.assertRaises(Exception,
lambda: gateway2.jvm.java.lang.StringBuffer())
def testDetach(self):
self.gateway = JavaGateway()
gc.collect()
finalizers_size_start = len(ThreadSafeFinalizer.finalizers)
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append('Hello World')
self.gateway.detach(sb)
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append('Hello World')
sb2._detach()
gc.collect()
self.assertEqual(
len(ThreadSafeFinalizer.finalizers) - finalizers_size_start, 0)
self.gateway.shutdown()
class MemoryManagementTest(unittest.TestCase):
def setUp(self):
self.p = start_example_app_process()
def tearDown(self):
safe_shutdown(self)
self.p.join()
gc.collect()
def testNoAttach(self):
self.gateway = JavaGateway()
gateway2 = JavaGateway()
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
self.gateway.shutdown()
self.assertRaises(Exception, lambda: sb.append("Python"))
self.assertRaises(
Exception, lambda: gateway2.jvm.java.lang.StringBuffer())
def testDetach(self):
self.gateway = JavaGateway()
gc.collect()
finalizers_size_start = len(ThreadSafeFinalizer.finalizers)
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
self.gateway.detach(sb)
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append("Hello World")
sb2._detach()
gc.collect()
self.assertEqual(
len(ThreadSafeFinalizer.finalizers) - finalizers_size_start, 0)
self.gateway.shutdown()
class MemoryManagementTest(unittest.TestCase):
def setUp(self):
self.p = start_example_app_process()
def tearDown(self):
safe_shutdown(self)
self.p.join()
gc.collect()
def testNoAttach(self):
self.gateway = JavaGateway()
gateway2 = JavaGateway()
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
self.gateway.shutdown()
self.assertRaises(Exception, lambda: sb.append("Python"))
self.assertRaises(Exception,
lambda: gateway2.jvm.java.lang.StringBuffer())
def testDetach(self):
self.gateway = JavaGateway()
gc.collect()
finalizers_size_start = len(ThreadSafeFinalizer.finalizers)
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
self.gateway.detach(sb)
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append("Hello World")
sb2._detach()
gc.collect()
self.assertEqual(
len(ThreadSafeFinalizer.finalizers) - finalizers_size_start, 0)
self.gateway.shutdown()
class MemoryManagementTest(unittest.TestCase):
def setUp(self):
ThreadSafeFinalizer.clear_finalizers(True)
self.p = start_example_app_process()
def tearDown(self):
safe_shutdown(self)
self.p.join()
gc.collect()
def testNoAttach(self):
self.gateway = JavaGateway()
gateway2 = JavaGateway()
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
self.gateway.shutdown()
self.assertRaises(Exception, lambda: sb.append("Python"))
self.assertRaises(
Exception, lambda: gateway2.jvm.java.lang.StringBuffer())
def testDetach(self):
self.gateway = JavaGateway()
gc.collect()
finalizers_size_start = len(ThreadSafeFinalizer.finalizers)
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
self.gateway.detach(sb)
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append("Hello World")
sb2._detach()
gc.collect()
self.assertEqual(
len(ThreadSafeFinalizer.finalizers) - finalizers_size_start, 0)
self.gateway.shutdown()
def testGCCollect(self):
self.gateway = JavaGateway()
gc.collect()
finalizers_size_start = len(ThreadSafeFinalizer.finalizers)
def internal():
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append("Hello World")
finalizers_size_middle = len(ThreadSafeFinalizer.finalizers)
return finalizers_size_middle
finalizers_size_middle = internal()
gc.collect()
# Before collection: two objects created + two returned objects (append
# returns a stringbuffer reference for easy chaining).
self.assertEqual(finalizers_size_middle, 4)
# Assert after collection
self.assertEqual(
len(ThreadSafeFinalizer.finalizers) - finalizers_size_start, 0)
self.gateway.shutdown()
def testGCCollectNoMemoryManagement(self):
self.gateway = JavaGateway(
gateway_parameters=GatewayParameters(
enable_memory_management=False))
gc.collect()
# Should have nothing in the finalizers
self.assertEqual(len(ThreadSafeFinalizer.finalizers), 0)
def internal():
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append("Hello World")
finalizers_size_middle = len(ThreadSafeFinalizer.finalizers)
return finalizers_size_middle
finalizers_size_middle = internal()
gc.collect()
# Before collection: two objects created + two returned objects (append
# returns a stringbuffer reference for easy chaining).
self.assertEqual(finalizers_size_middle, 0)
# Assert after collection
self.assertEqual(len(ThreadSafeFinalizer.finalizers), 0)
self.gateway.shutdown()
class MemoryManagementTest(unittest.TestCase):
def setUp(self):
ThreadSafeFinalizer.clear_finalizers(True)
self.p = start_example_app_process()
def tearDown(self):
safe_shutdown(self)
self.p.join()
gc.collect()
def testNoAttach(self):
self.gateway = JavaGateway()
gateway2 = JavaGateway()
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
self.gateway.shutdown()
self.assertRaises(Exception, lambda: sb.append("Python"))
self.assertRaises(Exception,
lambda: gateway2.jvm.java.lang.StringBuffer())
def testDetach(self):
self.gateway = JavaGateway()
gc.collect()
finalizers_size_start = len(ThreadSafeFinalizer.finalizers)
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
self.gateway.detach(sb)
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append("Hello World")
sb2._detach()
gc.collect()
self.assertEqual(
len(ThreadSafeFinalizer.finalizers) - finalizers_size_start, 0)
self.gateway.shutdown()
def testGCCollect(self):
self.gateway = JavaGateway()
gc.collect()
finalizers_size_start = len(ThreadSafeFinalizer.finalizers)
def internal():
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append("Hello World")
finalizers_size_middle = len(ThreadSafeFinalizer.finalizers)
return finalizers_size_middle
finalizers_size_middle = internal()
gc.collect()
# Before collection: two objects created + two returned objects (append
# returns a stringbuffer reference for easy chaining).
self.assertEqual(finalizers_size_middle, 4)
# Assert after collection
self.assertEqual(
len(ThreadSafeFinalizer.finalizers) - finalizers_size_start, 0)
self.gateway.shutdown()
def testGCCollectNoMemoryManagement(self):
self.gateway = JavaGateway(gateway_parameters=GatewayParameters(
enable_memory_management=False))
gc.collect()
# Should have nothing in the finalizers
self.assertEqual(len(ThreadSafeFinalizer.finalizers), 0)
def internal():
sb = self.gateway.jvm.java.lang.StringBuffer()
sb.append("Hello World")
sb2 = self.gateway.jvm.java.lang.StringBuffer()
sb2.append("Hello World")
finalizers_size_middle = len(ThreadSafeFinalizer.finalizers)
return finalizers_size_middle
finalizers_size_middle = internal()
gc.collect()
# Before collection: two objects created + two returned objects (append
# returns a stringbuffer reference for easy chaining).
self.assertEqual(finalizers_size_middle, 0)
# Assert after collection
self.assertEqual(len(ThreadSafeFinalizer.finalizers), 0)
self.gateway.shutdown()
class OpenNLPTokenizer:
def __init__(self):
print "calling constructor"
# launches java gateway server.
self.gateway_server = GateWayServer()
self.gateway = JavaGateway()
# limit how long to wait for connection to gateway to be available.
kill_time = 20
init_time = time.time()
while True:
if time.time() - init_time > kill_time:
exit("\ncould not establish connection to gateway...")
try:
self.tokenizer = self.gateway.entry_point.getOpenNlpTokenizer()
break
except:
continue
def __del__(self):
self.gateway.detach(self.tokenizer)
self.gateway.close()
self.tokenizer = None
self.gateway = None
def preProcess(self, text):
""" sentenizes and then tokenizes text """
ret_val = []
for tokenized_sent in self.tokenizer.preProcess(text):
tmp = []
for token in tokenized_sent:
tmp.append(token)
ret_val.append(tmp)
return ret_val
def sentenize(self, text):
sentences = []
for sent in self.tokenizer.sentenize(text):
sentences.append(sent)
return sentences
def tokenize(self, string):
tokens = []
for tok in self.tokenizer.tokenize(string):
tokens.append(tok)
return tokens
