def test_traversable_tutorial(self):
# Create a Harvester object:
self.harvester = Harvester()
# The following block is just for administrative purpose;
# you should not include it in your code:
cti_file_path = get_cti_file_path()
if 'TLSimu.cti' not in cti_file_path:
return
# Add a CTI file path:
self.harvester.add_cti_file(cti_file_path)
self.harvester.update_device_info_list()
# Connect to the first camera in the list:
self.ia = self.harvester.create_image_acquirer(0)
#
num_images_to_acquire = 0
# Then start image acquisition:
self.ia.start_image_acquisition()
while num_images_to_acquire < 100:
#
with self.ia.fetch_buffer() as buffer:
# self.do_something(buffer)
pass
num_images_to_acquire += 1
# We don't need the ImageAcquirer object. Destroy it:
self.ia.destroy()
def test_traversable_tutorial(self):
# Create a Harvester object:
self.harvester = Harvester()
# Add a CTI file path:
self.harvester.add_cti_file(
get_cti_file_path()
)
self.harvester.update_device_info_list()
# Connect to the first camera in the list:
self.ia = self.harvester.create_image_acquirer(0)
#
num_images_to_acquire = 0
# Then start image acquisition:
self.ia.start_image_acquisition()
while num_images_to_acquire < 100:
#
with self.ia.fetch_buffer() as buffer:
# self.do_something(buffer)
pass
num_images_to_acquire += 1
# We don't need the ImageAcquirer object. Destroy it:
self.ia.destroy()
def setUp(self) -> None:
# The following block is just for administrative purpose;
# you should not include it in your code:
self.cti_file_path = get_cti_file_path()
if 'TLSimu.cti' not in self.cti_file_path:
self.skipTest('The target is not TLSimu.')
# Create a Harvester object:
self.harvester = Harvester()
class TestIssue81(unittest.TestCase):
_cti_file_path = get_cti_file_path()
sys.path.append(_cti_file_path)
def test_issue_81(self):
message_queue = Queue()
t = _TestIssue81(
message_queue=message_queue, cti_file_path=self._cti_file_path
)
t.start()
t.join()
try:
result = message_queue.get(block=False)
except Empty:
# Nothing happened; everything is fine.
pass
else:
exception, message, backtrace = result
# Transfer the exception:
raise exception(message)
def test_issue_85(self):
#
temp_dir = os.path.join(
gettempdir(), 'harvester', self.test_issue_85.__name__
)
#
if os.path.isdir(temp_dir):
rmtree(temp_dir)
os.makedirs(temp_dir)
#
env_var = 'HARVESTERS_XML_FILE_DIR'
original = None if os.environ else os.environ[env_var]
os.environ[env_var] = temp_dir
#
self.assertFalse(os.listdir(temp_dir))
#
with Harvester() as h:
h.add_cti_file(self._cti_file_path)
h.update_device_info_list()
with h.create_image_acquirer(0):
pass
#
if original:
os.environ[env_var] = original
#
self.assertTrue(os.listdir(temp_dir))
class TestIssue81(unittest.TestCase):
_cti_file_path = get_cti_file_path()
sys.path.append(_cti_file_path)
def test_issue_81(self):
message_queue = Queue()
t = _TestIssue81(message_queue=message_queue,
cti_file_path=self._cti_file_path)
t.start()
t.join()
try:
result = message_queue.get(block=False)
except Empty:
# Nothing happened; everything is fine.
pass
else:
exception, message, backtrace = result
# Transfer the exception:
raise exception(message)
class TestIssue85(unittest.TestCase):
_cti_file_path = get_cti_file_path()
sys.path.append(_cti_file_path)
def setUp(self) -> None:
#
self.env_var = 'HARVESTERS_XML_FILE_DIR'
self.original = None if os.environ else os.environ[self.env_var]
def tearDown(self) -> None:
if self.original:
os.environ[self.env_var] = self.original
def test_issue_85(self):
#
temp_dir = os.path.join(
gettempdir(), 'harvester', self.test_issue_85.__name__
)
#
if os.path.isdir(temp_dir):
rmtree(temp_dir)
os.makedirs(temp_dir)
#
os.environ[self.env_var] = temp_dir
#
self.assertFalse(os.listdir(temp_dir))
#
with Harvester() as h:
h.add_file(self._cti_file_path)
h.update()
with h.create_image_acquirer(0):
# Check if XML files have been stored in the expected
# directory:
self.assertTrue(os.listdir(temp_dir))
