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# python-gphoto2 - Python interface to libgphoto2
# http://github.com/jim-easterbrook/python-gphoto2
# Copyright (C) 2023-24 Jim Easterbrook jim@jim-easterbrook.me.uk
#
# This file is part of python-gphoto2.
#
# python-gphoto2 is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# python-gphoto2 is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with python-gphoto2. If not, see
# <https://www.gnu.org/licenses/>.
import os
import sys
import time
import unittest
import gphoto2 as gp
path = os.path.dirname(os.path.dirname(__file__))
if path not in sys.path:
sys.path.insert(0, path)
from tests.vcamera import has_vcam, use_vcam
class TestNoCamera(unittest.TestCase):
def setUp(self):
use_vcam(False)
def test_oo_style(self):
cameras = gp.Camera.autodetect()
self.assertIsInstance(cameras, gp.CameraList)
camera = gp.Camera()
if len(cameras) > 0:
# there is actually a camera connected
camera.init()
camera.exit()
else:
with self.assertRaises(gp.GPhoto2Error) as cm:
camera.init()
ex = cm.exception
self.assertEqual(ex.code, gp.GP_ERROR_MODEL_NOT_FOUND)
def test_c_style(self):
OK, cameras = gp.gp_camera_autodetect()
self.assertGreaterEqual(OK, gp.GP_OK)
self.assertIsInstance(cameras, gp.CameraList)
OK, camera = gp.gp_camera_new()
self.assertEqual(OK, gp.GP_OK)
OK = gp.gp_camera_init(camera)
if len(cameras) > 0:
# there is actually a camera connected
self.assertEqual(OK, gp.GP_OK)
self.assertEqual(gp.gp_camera_exit(camera), gp.GP_OK)
else:
self.assertEqual(OK, gp.GP_ERROR_MODEL_NOT_FOUND)
@unittest.skipUnless(has_vcam, 'no virtual camera')
class TestAutoDetect(unittest.TestCase):
def setUp(self):
use_vcam(True)
def test_oo_style(self):
cameras = gp.Camera.autodetect()
self.assertIsInstance(cameras, gp.CameraList)
self.assertEqual(len(cameras), 1)
name, value = cameras[0]
self.assertEqual(name, 'Nikon DSC D750')
def test_c_style(self):
OK, cameras = gp.gp_camera_autodetect()
self.assertGreaterEqual(OK, gp.GP_OK)
self.assertIsInstance(cameras, gp.CameraList)
self.assertEqual(gp.gp_list_count(cameras), 1)
OK, name = gp.gp_list_get_name(cameras, 0)
self.assertEqual(OK, gp.GP_OK)
self.assertEqual(name, 'Nikon DSC D750')
@unittest.skipUnless(has_vcam, 'no virtual camera')
class TestVirtualCamera(unittest.TestCase):
def setUp(self):
use_vcam(True)
self.camera = gp.Camera()
self.camera.init()
def tearDown(self):
self.camera.exit()
def test_oo_style(self):
def list_files(path='/'):
result = []
# get files
for name in self.camera.folder_list_files(path).keys():
result.append(os.path.join(path, name))
# recurse over subfolders
for name in self.camera.folder_list_folders(path).keys():
result.extend(list_files(os.path.join(path, name)))
return result
# get_about
text = str(self.camera.get_about())
self.assertTrue(text.startswith('PTP2 driver'))
self.assertTrue(text.endswith('Enjoy!'))
# get_summary
text = str(self.camera.get_summary())
self.assertTrue(text.startswith('Manufacturer'))
# get manual
with self.assertRaises(gp.GPhoto2Error) as cm:
manual = self.camera.get_manual()
ex = cm.exception
self.assertEqual(ex.code, gp.GP_ERROR_NOT_SUPPORTED)
# get storage info
storage_info = self.camera.get_storageinfo()
self.assertEqual(len(storage_info), 1)
storage_info = storage_info[0]
self.assertIsInstance(storage_info, gp.CameraStorageInformation)
# get_config
widget = self.camera.get_config()
self.assertIsInstance(widget, gp.CameraWidget)
self.camera.set_config(widget)
# get single config
widget = self.camera.get_single_config('thumbsize')
self.assertIsInstance(widget, gp.CameraWidget)
# list config
config_list = self.camera.list_config()
self.assertEqual(len(config_list), 68)
# list_files
files = list_files()
self.assertEqual(files[0], '/store_00010001/copyright-free-image.jpg')
# file_get
file = self.camera.file_get(
'/store_00010001', 'copyright-free-image.jpg',
gp.GP_FILE_TYPE_NORMAL)
self.assertIsInstance(file, gp.CameraFile)
# file put
with self.assertRaises(gp.GPhoto2Error) as cm:
self.camera.folder_put_file('/store_00010001', 'uploaded.jpg',
gp.GP_FILE_TYPE_NORMAL, file)
ex = cm.exception
self.assertEqual(ex.code, gp.GP_ERROR_NOT_SUPPORTED)
# file_read
buffer = bytearray(10)
with self.assertRaises(gp.GPhoto2Error) as cm:
data = self.camera.file_read(
'/store_00010001', 'copyright-free-image.jpg',
gp.GP_FILE_TYPE_NORMAL, 0, buffer)
ex = cm.exception
self.assertEqual(ex.code, gp.GP_ERROR_NOT_SUPPORTED)
# capture
path = self.camera.capture(gp.GP_CAPTURE_IMAGE)
self.assertRegex(path.name, 'GPH_\d{4}.JPG')
self.assertRegex(path.folder, '/store_00010001/DCIM/\d{3}GPHOT')
info = self.camera.file_get_info(path.folder, path.name)
self.assertEqual(info.file.size, 7082)
self.assertEqual(info.file.type, 'image/jpeg')
# width and height are zero as test image has no exif info
self.assertEqual(info.file.width, 0)
self.assertEqual(info.file.height, 0)
# file set info
new_info = gp.CameraFileInfo()
new_info.preview.fields = gp.GP_FILE_INFO_NONE
new_info.audio.fields = gp.GP_FILE_INFO_NONE
new_info.file.fields = gp.GP_FILE_INFO_MTIME
new_info.file.mtime = int(time.time())
self.camera.file_set_info(path.folder, path.name, new_info)
# capture preview
with self.assertRaises(gp.GPhoto2Error) as cm:
preview_file = self.camera.capture_preview()
ex = cm.exception
self.assertEqual(ex.code, gp.GP_ERROR_NOT_SUPPORTED)
# trigger capture
self.camera.trigger_capture()
# wait for event
while True:
event_type, event_data = self.camera.wait_for_event(100)
if event_type in (gp.GP_EVENT_TIMEOUT,
gp.GP_EVENT_CAPTURE_COMPLETE):
break
if event_type in (gp.GP_EVENT_FILE_ADDED,
gp.GP_EVENT_FOLDER_ADDED):
self.assertIsInstance(event_data, gp.CameraFilePath)
# delete file(s)
self.camera.file_delete(path.folder, path.name)
self.camera.folder_delete_all(path.folder)
# create folder
folder, name = '/store_00010001', 'new folder'
with self.assertRaises(gp.GPhoto2Error) as cm:
self.camera.folder_make_dir(folder, name)
ex = cm.exception
self.assertEqual(ex.code, gp.GP_ERROR_NOT_SUPPORTED)
# delete folder
with self.assertRaises(gp.GPhoto2Error) as cm:
self.camera.folder_remove_dir(folder, name)
ex = cm.exception
self.assertEqual(ex.code, gp.GP_ERROR_DIRECTORY_NOT_FOUND)
# port info
info = self.camera.get_port_info()
self.assertIsInstance(info, gp.PortInfo)
with self.assertRaises(gp.GPhoto2Error) as cm:
self.camera.set_port_info(info)
ex = cm.exception
self.assertEqual(ex.code, gp.GP_ERROR_LIBRARY)
# port speed
speed = self.camera.get_port_speed()
self.assertEqual(speed, 0)
with self.assertRaises(gp.GPhoto2Error) as cm:
self.camera.set_port_speed(0)
ex = cm.exception
self.assertEqual(ex.code, gp.GP_ERROR_BAD_PARAMETERS)
# abilities list
abilities = self.camera.get_abilities()
self.assertIsInstance(abilities, gp.CameraAbilities)
self.camera.set_abilities(abilities)
def test_c_style(self):
def list_files(path='/'):
result = []
# get files
OK, files = gp.gp_camera_folder_list_files(self.camera, path)
self.assertEqual(OK, gp.GP_OK)
for idx in range(gp.gp_list_count(files)):
OK, name = gp.gp_list_get_name(files, idx)
self.assertEqual(OK, gp.GP_OK)
result.append(os.path.join(path, name))
# recurse over subfolders
OK, folders = gp.gp_camera_folder_list_folders(self.camera, path)
self.assertEqual(OK, gp.GP_OK)
for idx in range(gp.gp_list_count(folders)):
OK, name = gp.gp_list_get_name(folders, idx)
self.assertEqual(OK, gp.GP_OK)
result.extend(list_files(os.path.join(path, name)))
return result
# get_about
OK, text = gp.gp_camera_get_about(self.camera)
self.assertEqual(OK, gp.GP_OK)
self.assertTrue(text.text.startswith('PTP2 driver'))
self.assertTrue(text.text.endswith('Enjoy!'))
# get_summary
OK, text = gp.gp_camera_get_summary(self.camera)
self.assertEqual(OK, gp.GP_OK)
self.assertTrue(text.text.startswith('Manufacturer'))
# get manual
OK, manual = gp.gp_camera_get_manual(self.camera)
self.assertEqual(OK, gp.GP_ERROR_NOT_SUPPORTED)
# get storage info
OK, storage_info = gp.gp_camera_get_storageinfo(self.camera)
self.assertEqual(OK, gp.GP_OK)
self.assertEqual(len(storage_info), 1)
storage_info = storage_info[0]
self.assertIsInstance(storage_info, gp.CameraStorageInformation)
# get_config
OK, widget = gp.gp_camera_get_config(self.camera)
self.assertEqual(OK, gp.GP_OK)
self.assertIsInstance(widget, gp.CameraWidget)
self.assertEqual(gp.gp_camera_set_config(self.camera, widget), gp.GP_OK)
# get single config
OK, widget = gp.gp_camera_get_single_config(self.camera, 'thumbsize')
self.assertEqual(OK, gp.GP_OK)
self.assertIsInstance(widget, gp.CameraWidget)
# list config
OK, config_list = gp.gp_camera_list_config(self.camera)
self.assertEqual(OK, gp.GP_OK)
self.assertEqual(gp.gp_list_count(config_list), 68)
# list_files
files = list_files()
self.assertEqual(files[0], '/store_00010001/copyright-free-image.jpg')
# file_get
OK, file = gp.gp_camera_file_get(
self.camera, '/store_00010001', 'copyright-free-image.jpg',
gp.GP_FILE_TYPE_NORMAL)
self.assertEqual(OK, gp.GP_OK)
self.assertIsInstance(file, gp.CameraFile)
# file put
self.assertEqual(
gp.gp_camera_folder_put_file(
self.camera, '/store_00010001', 'uploaded.jpg',
gp.GP_FILE_TYPE_NORMAL, file),
gp.GP_ERROR_NOT_SUPPORTED)
# file_read
buffer = bytearray(10)
OK, data = gp.gp_camera_file_read(
self.camera, '/store_00010001', 'copyright-free-image.jpg',
gp.GP_FILE_TYPE_NORMAL, 0, buffer)
self.assertEqual(OK, gp.GP_ERROR_NOT_SUPPORTED)
# capture
OK, path = gp.gp_camera_capture(self.camera, gp.GP_CAPTURE_IMAGE)
self.assertEqual(OK, gp.GP_OK)
self.assertRegex(path.name, 'GPH_\d{4}.JPG')
self.assertRegex(path.folder, '/store_00010001/DCIM/\d{3}GPHOT')
OK, info = gp.gp_camera_file_get_info(
self.camera, path.folder, path.name)
self.assertEqual(OK, gp.GP_OK)
self.assertEqual(info.file.size, 7082)
self.assertEqual(info.file.type, 'image/jpeg')
# width and height are zero as test image has no exif info
self.assertEqual(info.file.width, 0)
self.assertEqual(info.file.height, 0)
# file set info
new_info = gp.CameraFileInfo()
new_info.preview.fields = gp.GP_FILE_INFO_NONE
new_info.audio.fields = gp.GP_FILE_INFO_NONE
new_info.file.fields = gp.GP_FILE_INFO_MTIME
new_info.file.mtime = int(time.time())
OK = gp.gp_camera_file_set_info(
self.camera, path.folder, path.name, new_info)
self.assertEqual(OK, gp.GP_OK)
# capture preview
OK, preview_file = gp.gp_camera_capture_preview(self.camera)
self.assertEqual(OK, gp.GP_ERROR_NOT_SUPPORTED)
# trigger capture
self.assertEqual(gp.gp_camera_trigger_capture(self.camera), gp.GP_OK)
# wait for event
while True:
OK, event_type, event_data = gp.gp_camera_wait_for_event(
self.camera, 100)
self.assertEqual(OK, gp.GP_OK)
if event_type in (gp.GP_EVENT_TIMEOUT,
gp.GP_EVENT_CAPTURE_COMPLETE):
break
if event_type in (gp.GP_EVENT_FILE_ADDED,
gp.GP_EVENT_FOLDER_ADDED):
self.assertIsInstance(event_data, gp.CameraFilePath)
# delete file(s)
self.assertEqual(gp.gp_camera_file_delete(
self.camera, path.folder, path.name), gp.GP_OK)
self.assertEqual(gp.gp_camera_folder_delete_all(
self.camera, path.folder), gp.GP_OK)
# create folder
folder, name = '/store_00010001', 'new folder'
self.assertEqual(
gp.gp_camera_folder_make_dir(self.camera, folder, name),
gp.GP_ERROR_NOT_SUPPORTED)
# delete folder
self.assertEqual(
gp.gp_camera_folder_remove_dir(self.camera, folder, name),
gp.GP_ERROR_DIRECTORY_NOT_FOUND)
# port info
OK, info = gp.gp_camera_get_port_info(self.camera)
self.assertEqual(OK, gp.GP_OK)
self.assertIsInstance(info, gp.PortInfo)
self.assertEqual(
gp.gp_camera_set_port_info(self.camera, info), gp.GP_ERROR_LIBRARY)
# port speed
speed = gp.gp_camera_get_port_speed(self.camera)
self.assertEqual(speed, 0)
self.assertEqual(gp.gp_camera_set_port_speed(self.camera, 0),
gp.GP_ERROR_BAD_PARAMETERS)
# abilities list
OK, abilities = gp.gp_camera_get_abilities(self.camera)
self.assertEqual(OK, gp.GP_OK)
self.assertIsInstance(abilities, gp.CameraAbilities)
self.assertEqual(
gp.gp_camera_set_abilities(self.camera, abilities), gp.GP_OK)
if __name__ == "__main__":
unittest.main()
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