def main():
logging.basicConfig(format="%(levelname)s: %(name)s: %(message)s", level=logging.WARNING)
gp.check_result(gp.use_python_logging())
camera = gp.check_result(gp.gp_camera_new())
context = gp.gp_context_new()
gp.check_result(gp.gp_camera_init(camera, context))
print("Getting list of files")
files = list_files(camera, context)
if not files:
print("No files found")
return 1
path = files[0]
print("Copying %s to memory" % path)
folder, name = os.path.split(path)
camera_file = gp.check_result(gp.gp_camera_file_get(camera, folder, name, gp.GP_FILE_TYPE_NORMAL, context))
# read file data using 'slurp' and a buffer allocated in Python
info = gp.check_result(gp.gp_camera_file_get_info(camera, folder, name, context))
file_data = bytearray(info.file.size)
count = gp.check_result(gp.gp_file_slurp(camera_file, file_data))
print(count, "bytes read")
# or read data using 'get_data_and_size' which allocates its own buffer
## file_data = gp.check_result(gp.gp_file_get_data_and_size(camera_file))
data = memoryview(file_data)
print(type(data), len(data))
print(data[:10].tolist())
image = Image.open(io.BytesIO(file_data))
image.show()
print("After deleting camera_file and file_data")
del camera_file, file_data
print(type(data), len(data))
print(data[:10].tolist())
gp.check_result(gp.gp_camera_exit(camera, context))
return 0
def main():
logging.basicConfig(
format='%(levelname)s: %(name)s: %(message)s', level=logging.WARNING)
gp.check_result(gp.use_python_logging())
camera = gp.check_result(gp.gp_camera_new())
context = gp.gp_context_new()
gp.check_result(gp.gp_camera_init(camera, context))
print('Getting list of files')
files = list_files(camera, context)
if not files:
print('No files found')
return 1
path = files[0]
print('Copying %s to memory in 100 kilobyte chunks' % path)
folder, name = os.path.split(path)
file_info = gp.check_result(gp.gp_camera_file_get_info(
camera, folder, name, context))
data = bytearray(file_info.file.size)
view = memoryview(data)
chunk_size = 100 * 1024
offset = 0
while offset < len(data):
bytes_read = gp.check_result(gp.gp_camera_file_read(
camera, folder, name, gp.GP_FILE_TYPE_NORMAL,
offset, view[offset:offset + chunk_size], context))
offset += bytes_read
print(bytes_read)
print(' '.join(map(str, data[0:10])))
image = Image.open(io.BytesIO(data))
image.show()
gp.check_result(gp.gp_camera_exit(camera, context))
return 0
def get_camera_file_info(camera, context, path):
folder, name = os.path.split(path)
info = gp.CameraFileInfo()
gp.check_result(
gp.gp_camera_file_get_info(camera, folder, name, info, context))
return info
def get_file_info(camera, path):
folder, name = os.path.split(path)
return gp.check_result(
gp.gp_camera_file_get_info(camera, folder, name))
def get_file_info(camera, path):
folder, name = os.path.split(path)
return gp.check_result(gp.gp_camera_file_get_info(camera, folder, name))
