def open(self):
self.context = gp.gp_context_new()
error, camera = gp.gp_camera_new()
gp.check_result(error)
if self.port is not None:
error = gp.gp_camera_set_port_info(camera, self.port)
gp.check_result(error)
error = gp.gp_camera_init(camera, self.context)
gp.check_result(error)
self.camera = camera
# create image (sub-)directory
self.image_directory = os.path.join(self.image_base_directory, "cam_" + self.get_serialnumber())
try:
os.makedirs(self.image_directory)
except FileExistsError as e:
pass
status = self.get_exposure_status()
if status["expprogram"] == "A":
self.exposure_mode = self.MODE_APERTURE_PRIORITY
elif status["expprogram"] == "M":
self.exposure_mode = self.MODE_MANUAL
else:
self.exposure_mode = self.MODE_UNKNOWN
self.state = self.STATE_CONNECTED
def get_all_cameras():
# Ugh, C libraries >.<
# Get all available ports
portinfolist = gp.check_result(gp.gp_port_info_list_new())
gp.check_result(gp.gp_port_info_list_load(portinfolist))
# Get all available cameras and a string of their port
context = gp.gp_context_new()
camlist = gp.check_result(gp.gp_camera_autodetect(context))
cameralist = []
for i in range(camlist.count()):
camname = camlist.get_name(i)
camport = camlist.get_value(i)
# Find port info for this camera
portindex = portinfolist.lookup_path(camport)
portinfo = portinfolist.get_info(portindex)
# Create camera object and associate with given port
cam = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_set_port_info(cam, portinfo))
myCamera = Camera("{} ({})".format(camname, camport), cam, context)
cameralist.append(myCamera)
return cameralist
def main():
logging.basicConfig(
format='%(levelname)s: %(name)s: %(message)s', level=logging.WARNING)
gp.check_result(gp.use_python_logging())
context = gp.gp_context_new()
camera_list = gp.check_result(gp.gp_camera_autodetect(context))
# gp.check_result(gp.gp_camera_init(camera, context))
# camera_list = GetCameraList(context)
# loop through camera list
for index, (name, addr) in enumerate(camera_list):
print('Processing camera {:d}: {:s} {:s}'.format(index, addr, name))
# search ports for camera port name and match to this iteration
port_info_list = gp.check_result(gp.gp_port_info_list_new())
gp.check_result(gp.gp_port_info_list_load(port_info_list))
idx = gp.check_result(gp.gp_port_info_list_lookup_path(port_info_list, addr))
# open this camera and associated context
camera = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_set_port_info(camera,port_info_list[idx]))
gp.check_result(gp.gp_camera_init(camera,context))
# get camera configuration
config = gp.check_result(gp.gp_camera_get_config(camera,context))
# grab current value of imageformat and change to JPG
image_format_old = get_config_value(config,'imageformat')
set_config_value(camera,config,context,'imageformat',jpgFormat)
image_format = get_config_value(config,'imageformat')
print('Changed image format from {:s} to {:s}'.format(image_format_old,image_format))
# close this camera
gp.check_result(gp.gp_camera_exit(camera,context))
return 0
