def main():
# use Python logging
logging.basicConfig(
format='%(levelname)s: %(name)s: %(message)s', level=logging.WARNING)
gp.check_result(gp.use_python_logging())
# open camera connection
camera = gp.check_result(gp.gp_camera_new())
context = gp.gp_context_new()
gp.check_result(gp.gp_camera_init(camera, context))
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera, context))
# find the date/time setting config item and get it
# name varies with camera driver
# Canon EOS350d - 'datetime'
# PTP - 'd034'
for name, fmt in (('datetime', '%Y-%m-%d %H:%M:%S'),
('d034', None)):
now = datetime.now()
OK, datetime_config = gp.gp_widget_get_child_by_name(config, name)
if OK >= gp.GP_OK:
widget_type = gp.check_result(gp.gp_widget_get_type(datetime_config))
if widget_type == gp.GP_WIDGET_DATE:
raw_value = gp.check_result(
gp.gp_widget_get_value(datetime_config))
camera_time = datetime.fromtimestamp(raw_value)
else:
raw_value = gp.check_result(
gp.gp_widget_get_value(datetime_config))
if fmt:
camera_time = datetime.strptime(raw_value, fmt)
else:
camera_time = datetime.utcfromtimestamp(float(raw_value))
print('Camera clock: ', camera_time.isoformat(' '))
print('Computer clock:', now.isoformat(' '))
err = now - camera_time
if err.days < 0:
err = -err
lead_lag = 'ahead'
print('Camera clock is ahead by',)
else:
lead_lag = 'behind'
print('Camera clock is %s by %d days and %d seconds' % (
lead_lag, err.days, err.seconds))
break
else:
print('Unknown date/time config item')
# clean up
gp.check_result(gp.gp_camera_exit(camera, context))
return 0
def connect_camera():
global CAMERA
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())
gp.check_result(gp.gp_camera_init(CAMERA))
# required configuration will depend on camera type!
print "Checking camera config"
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(CAMERA))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
raise PeripheralStatusError('Camera is setup to record raw, but we need previs, and preview does not work with raw images')
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name( config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(CAMERA, config))
def init_camera(self):
self.log.debug("Init GPhoto2 camera")
callback_obj = gp.check_result(gp.use_python_logging())
self.camera = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_init(self.camera))
# required configuration will depend on camera type!
self.log.info('Checking camera config')
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(self.camera))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(
config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
self.log.error('Cannot preview raw images')
return None
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(
gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(self.camera, config))
return True
def initCamera():
global camera
global context
print("Init camera")
# SLR Setup
# GPhoto init / testing
context = gp.gp_context_new()
error, camera = gp.gp_camera_new()
error = gp.gp_camera_init(camera, context)
error, text = gp.gp_camera_get_summary(camera, context)
#print('Summary')
#print('=======')
#print(text.text)
# required configuration will depend on camera type!
print('Checking camera config')
config = gp.check_result(gp.gp_camera_get_config(camera))
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
value = gp.check_result(gp.gp_widget_get_value(image_format))
if 'raw' in value.lower():
print('Cannot preview raw images')
# find the capture size class config item
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
value = gp.check_result(gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
gp.check_result(gp.gp_camera_set_config(camera, config))
def get_exposure_bias(self):
error, bias = gp.gp_widget_get_child_by_name(self.config,'exposurecompensation')
if error !=0:
print(error)
print('get_exposure_bias: cannot read widget!')
return
else:
self.bias = bias
error, value = gp.gp_widget_get_value(bias)
if error !=0:
print(error)
print('get_exposure_bias: cannot read value!')
return
count = gp.check_result(gp.gp_widget_count_choices(self.bias))
for choice in range(count):
error, test = gp.gp_widget_get_choice(self.bias, choice)
if test == value:
break
if error !=0:
print(error)
print('get_exposure_bias: cannot find choice!')
return
return choice, value
def main():
# use Python logging
logging.basicConfig(format='%(levelname)s: %(name)s: %(message)s',
level=logging.WARNING)
gp.check_result(gp.use_python_logging())
# open camera connection
camera = gp.check_result(gp.gp_camera_new())
context = gp.gp_context_new()
gp.check_result(gp.gp_camera_init(camera, context))
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera, context))
# find the capture target config item
capture_target = gp.check_result(
gp.gp_widget_get_child_by_name(config, 'capturetarget'))
# print current setting
value = gp.check_result(gp.gp_widget_get_value(capture_target))
print('Current setting:', value)
# print possible settings
for n in range(gp.check_result(
gp.gp_widget_count_choices(capture_target))):
choice = gp.check_result(gp.gp_widget_get_choice(capture_target, n))
print('Choice:', n, choice)
# clean up
gp.check_result(gp.gp_camera_exit(camera, context))
return 0
def get_exposure_time(self):
error, exptime = gp.gp_widget_get_child_by_name(self.config,'shutterspeed2')
if error !=0:
print(error)
print('get_exposure_time: cannot read widget!')
return
else:
self.exptime = exptime
error, value = gp.gp_widget_get_value(exptime)
if error !=0:
print(error)
print('get_exposure_time: cannot read value!')
return
count = gp.check_result(gp.gp_widget_count_choices(self.exptime))
for choice in range(count):
error, test = gp.gp_widget_get_choice(self.exptime, choice)
if test == value:
break
if error !=0:
print(error)
print('get_exposure_time: cannot find choice!')
return
return choice, value
def get_iso(self):
error, isovalue = gp.gp_widget_get_child_by_name(self.config,'iso')
if error !=0:
print(error)
print('get_iso: cannot read widget!')
return
else:
self.iso = isovalue
error, value = gp.gp_widget_get_value(isovalue)
if error !=0:
print(error)
print('get_iso: cannot read value!')
return
count = gp.check_result(gp.gp_widget_count_choices(self.iso))
for choice in range(count):
error, test = gp.gp_widget_get_choice(self.iso, choice)
if test == value:
break
if error !=0:
print(error)
print('get_iso: cannot find choice!')
return
return choice, value
def __init__(self, resolution=(320, 240), framerate=32, **kwargs):
print("Init camera")
# SLR Setup
self.shotRequested = False
# GPhoto init / testing
self.context = gp.gp_context_new()
self.error, self.camera = gp.gp_camera_new()
self.error = gp.gp_camera_init(self.camera, self.context)
self.error, self.text = gp.gp_camera_get_summary(
self.camera, self.context)
# required configuration will depend on camera type!
print('Checking camera config')
self.config = gp.check_result(gp.gp_camera_get_config(self.camera))
OK, image_format = gp.gp_widget_get_child_by_name(
self.config, 'imageformat')
if OK >= gp.GP_OK:
value = gp.check_result(gp.gp_widget_get_value(image_format))
if 'raw' in value.lower():
print('Cannot preview raw images')
# find the capture size class config item
OK, capture_size_class = gp.gp_widget_get_child_by_name(
self.config, 'capturesizeclass')
if OK >= gp.GP_OK:
value = gp.check_result(
gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
gp.check_result(gp.gp_camera_set_config(self.camera, config))
self.frame = None
self.shot = None
self.stopped = False
def setConfig(config_item, config_value):
child_type = gp.check_result(gp.gp_widget_get_type(
config_all[config_item]))
if child_type == gp.GP_WIDGET_RADIO:
value = gp.check_result(
gp.gp_widget_get_choice(config_all[config_item],
int(config_value)))
gp.check_result(gp.gp_widget_set_value(config_all[config_item], value))
gp.check_result(gp.gp_camera_set_config(camera, config, context))
elif child_type == gp.GP_WIDGET_TEXT:
gp.check_result(
gp.gp_widget_set_value(config_all[config_item], config_value))
gp.check_result(gp.gp_camera_set_config(camera, config, context))
elif child_type == gp.GP_WIDGET_RANGE:
gp.check_result(
gp.gp_widget_set_value(config_all[config_item], int(config_value)))
gp.check_result(gp.gp_camera_set_config(camera, config, context))
elif child_type == gp.GP_WIDGET_TOGGLE:
value = gp.check_result(gp.gp_widget_get_value(
config_all[config_item]))
if value:
gp.check_result(gp.gp_widget_set_value(config_all[config_item], 0))
else:
gp.check_result(gp.gp_widget_set_value(config_all[config_item], 1))
gp.check_result(gp.gp_camera_set_config(camera, config, context))
return "done"
def __walk_config(self, widget, cfg, pname=''):
child_count = gp.check_result(gp.gp_widget_count_children(widget))
for n in range(child_count):
child = gp.check_result(gp.gp_widget_get_child(widget, n))
label = gp.check_result(gp.gp_widget_get_label(child))
name = gp.check_result(gp.gp_widget_get_name(child))
child_type = gp.check_result(gp.gp_widget_get_type(child))
_name = pname + '/' +name
_cfg = {'_type':child_type,'_widget':child,'_label':label}
if child_type != gp.GP_WIDGET_SECTION:
value = gp.check_result(gp.gp_widget_get_value(child))
print label, name, value
_cfg['_value'] = value
if child_type == gp.GP_WIDGET_RADIO:
_cfg['_choice'] = []
choice_count = gp.check_result(gp.gp_widget_count_choices(child))
for n in range(choice_count):
choice = gp.check_result(gp.gp_widget_get_choice(child, n))
if choice:
_cfg['_choice'].append(choice)
if child_type == gp.GP_WIDGET_RANGE:
lo, hi, inc = gp.check_result(gp.gp_widget_get_range(child))
_cfg['_lo'] = lo
_cfg['_hi'] = hi
_cfg['_inc'] = inc
cfg[_name]=_cfg
self.__walk_config(child,cfg,pname=_name)
def open(self):
context = gp.Context()
camera = gp.Camera()
camera.init(context)
config = camera.get_config(context)
# find and check the image format config item
ok, image_format = gp.gp_widget_get_child_by_name(
config, 'imageformat')
if ok >= gp.GP_OK:
value = gp.check_result(gp.gp_widget_get_value(image_format))
if value == 'raw':
raise RuntimeError('Cannot preview raw images!')
# find and set the capture size class config item
# this is required for some canon cameras and does not hurt for others
ok, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if ok >= gp.GP_OK:
value = gp.check_result(
gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
gp.check_result(gp.gp_camera_set_config(camera, config, context))
self.context = context
self.camera = camera
self.config = config
def get_config_value(self, name): config = gp.check_result(gp.gp_camera_get_config(self.camera, self.context)) OK, widget = gp.gp_widget_get_child_by_name(config, name) if OK >= gp.GP_OK: # set value value = gp.check_result(gp.gp_widget_get_value(widget)) print "get %s => %s" % (name, value) return value
def _get_config_value(self, config, name):
error, conf_result = gp.gp_widget_get_child_by_name(config, name)
gp.check_result(error)
error, result = gp.gp_widget_get_value(conf_result)
gp.check_result(error)
return result
def __init__(self, config_changed, config, parent=None):
QtGui.QCheckBox.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
self.setChecked(value != 0)
self.clicked.connect(self.new_value)
def __init__(self, config_changed, config, parent=None):
QtGui.QCheckBox.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
self.setChecked(value != 0)
self.clicked.connect(self.new_value)
def __init__(self, config_changed, config, parent=None):
QtGui.QLineEdit.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
if value:
self.setText(value)
self.editingFinished.connect(self.new_value)
def __init__(self, config_changed, config, parent=None):
QtGui.QLineEdit.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
if value:
self.setText(value)
self.editingFinished.connect(self.new_value)
def __init__(self, config_changed, config, parent=None):
QtGui.QDateTimeEdit.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
if value:
self.setDateTime(datetime.fromtimestamp(value))
self.dateTimeChanged.connect(self.new_value)
self.setDisplayFormat('yyyy-MM-dd hh:mm:ss')
def __init__(self, config_changed, config, parent=None):
QtGui.QSlider.__init__(self, Qt.Horizontal, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
lo, hi, self.inc = gp.check_result(gp.gp_widget_get_range(config))
value = gp.check_result(gp.gp_widget_get_value(config))
self.setRange(int(lo * self.inc), int(hi * self.inc))
self.setValue(int(value * self.inc))
self.sliderReleased.connect(self.new_value)
def __init__(self, config_changed, config, parent=None):
QtGui.QSlider.__init__(self, Qt.Horizontal, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
lo, hi, self.inc = gp.check_result(gp.gp_widget_get_range(config))
value = gp.check_result(gp.gp_widget_get_value(config))
self.setRange(int(lo * self.inc), int(hi * self.inc))
self.setValue(int(value * self.inc))
self.sliderReleased.connect(self.new_value)
def __init__(self, config_changed, config, parent=None):
QtGui.QDateTimeEdit.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
if value:
self.setDateTime(datetime.fromtimestamp(value))
self.dateTimeChanged.connect(self.new_value)
self.setDisplayFormat('yyyy-MM-dd hh:mm:ss')
def __init__(self, config_changed, config, parent=None):
QtWidgets.QLineEdit.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
if value:
if sys.version_info[0] < 3:
value = value.decode('utf-8')
self.setText(value)
self.editingFinished.connect(self.new_value)
def get_config_value(self, field_name):
"""
Get configValue for given configField
:param field_name:
:return:
"""
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(self.camera, self.context))
# find the capture target config item
config_target = gp.check_result(gp.gp_widget_get_child_by_name(config, str(field_name)))
# check value in range
value = gp.check_result(gp.gp_widget_get_value(config_target))
return value
def read_exposure_settings(camera):
'''
Get current exposure settings from your camera.
'''
# get config keys
config = gp.check_result(gp.gp_camera_get_config(camera))
iso_cfg = gp.check_result( \
gp.gp_widget_get_child_by_name(config, 'iso'))
fnum_cfg = gp.check_result( \
gp.gp_widget_get_child_by_name(config, 'f-number'))
speed_cfg = gp.check_result( \
gp.gp_widget_get_child_by_name(config, 'shutterspeed'))
# get config values
iso_val = gp.check_result(gp.gp_widget_get_value(iso_cfg))
fnum_val = gp.check_result(gp.gp_widget_get_value(fnum_cfg))
speed_val = gp.check_result(gp.gp_widget_get_value(speed_cfg))
# return
return dict(iso=iso_val, fnum=fnum_val, speed=speed_val)
def __init__(self, config_changed, config, parent=None):
QtWidgets.QLineEdit.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
if value:
if sys.version_info[0] < 3:
value = value.decode('utf-8')
self.setText(value)
self.editingFinished.connect(self.new_value)
def main():
logging.basicConfig(format='%(levelname)s: %(name)s: %(message)s', level=logging.ERROR)
gp.check_result(gp.use_python_logging())
camera = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_init(camera))
# required configuration will depend on camera type!
print('Checking camera config')
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
print('Cannot preview raw images')
return 1
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(camera, config))
# capture preview image (not saved to camera memory card)
print('Capturing preview image')
for x in xrange(1,100):
millis = int(round(time.time() * 1000))
camera_file = gp.check_result(gp.gp_camera_capture_preview(camera))
print("capture %d %s\n" % (int(round(time.time() * 1000)) - millis, camera_file))
file_data = gp.check_result(gp.gp_file_get_data_and_size(camera_file))
print("download %d\n" % (int(round(time.time() * 1000)) - millis))
data = memoryview(file_data)
# display image
#image = Image.open(io.BytesIO(file_data))
#image.show()
gp.check_result(gp.gp_camera_exit(camera))
return 0
def get_config_value(self, field_name):
"""
Get configValue for given configField
:param field_name:
:return:
"""
# get configuration tree
config = gp.check_result(
gp.gp_camera_get_config(self.camera, self.context))
# find the capture target config item
config_target = gp.check_result(
gp.gp_widget_get_child_by_name(config, str(field_name)))
# check value in range
value = gp.check_result(gp.gp_widget_get_value(config_target))
return value
def __init__(self, config_changed, config, parent=None):
QtGui.QComboBox.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
choice_count = gp.check_result(gp.gp_widget_count_choices(config))
for n in range(choice_count):
choice = gp.check_result(gp.gp_widget_get_choice(config, n))
if choice:
self.addItem(choice)
if choice == value:
self.setCurrentIndex(n)
self.currentIndexChanged.connect(self.new_value)
def __init__(self, config_changed, config, parent=None):
QtGui.QComboBox.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
value = gp.check_result(gp.gp_widget_get_value(config))
choice_count = gp.check_result(gp.gp_widget_count_choices(config))
for n in range(choice_count):
choice = gp.check_result(gp.gp_widget_get_choice(config, n))
if choice:
self.addItem(choice)
if choice == value:
self.setCurrentIndex(n)
self.currentIndexChanged.connect(self.new_value)
def take_a_pic():
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())
gp.check_result(gp.gp_camera_init(camera))
# required configuration will depend on camera type!
print('Checking camera config')
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
print('Cannot preview raw images')
return 1
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(
gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(
gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(camera, config))
# capture preview image (not saved to camera memory card)
print('Capturing preview image')
camera_file = gp.check_result(
gp.gp_camera_capture_preview(camera))
file_data = gp.check_result(
gp.gp_file_get_data_and_size(camera_file))
# display image
data = memoryview(file_data)
print(type(data), len(data))
print(data[:10].tolist())
image = Image.open(io.BytesIO(file_data))
image.show()
gp.check_result(gp.gp_camera_exit(camera))
return image
def checkBattery(camera, batt_lvl):
#global camera, batt_lvl
# Get configuration tree
cameraConfig = gp.check_result(gp.gp_camera_get_config(camera))
# Get Camera model
batteryLevelWidget = gp.check_result(
gp.gp_widget_get_child_by_name(cameraConfig, 'batterylevel'))
batteryLevel = ""
batteryLevel = gp.check_result(
gp.gp_widget_get_value(batteryLevelWidget)) #, cameraName))
if batteryLevel < batt_lvl:
logging.critical("Battery level too low : %d%" % int(batteryLevel))
return False
else:
logging.info("Battery level : %d%" % int(batteryLevel))
return True
def __init__(self, config_changed, config, parent=None):
QtWidgets.QWidget.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
self.setLayout(QtWidgets.QHBoxLayout())
value = gp.check_result(gp.gp_widget_get_value(config))
self.buttons = []
for choice in gp.check_result(gp.gp_widget_get_choices(config)):
if choice:
button = QtWidgets.QRadioButton(choice)
self.layout().addWidget(button)
if choice == value:
button.setChecked(True)
self.buttons.append((button, choice))
button.clicked.connect(self.new_value)
def __init__(self, config_changed, config, parent=None):
QtGui.QWidget.__init__(self, parent)
self.config_changed = config_changed
self.config = config
if gp.check_result(gp.gp_widget_get_readonly(config)):
self.setDisabled(True)
assert gp.check_result(gp.gp_widget_count_children(config)) == 0
self.setLayout(QtGui.QHBoxLayout())
value = gp.check_result(gp.gp_widget_get_value(config))
self.buttons = []
for choice in gp.check_result(gp.gp_widget_get_choices(config)):
if choice:
button = QtGui.QRadioButton(choice)
self.layout().addWidget(button)
if choice == value:
button.setChecked(True)
self.buttons.append((button, choice))
button.clicked.connect(self.new_value)
def getCamera(cameraNumber=0):
logging.basicConfig(format='%(levelname)s: %(name)s: %(message)s',
level=logging.WARNING)
gp.check_result(gp.use_python_logging())
# make a list of all available cameras
camera_list = []
for name, addr in gp.check_result(gp.gp_camera_autodetect()):
camera_list.append((name, addr))
camera_list.sort(key=lambda x: x[0])
if len(camera_list) == 0:
print("No cameras found")
return None
if cameraNumber < 0 or cameraNumber >= len(camera_list):
print('Camera out of range')
return None
# initialise chosen camera
name, addr = camera_list[cameraNumber]
camera = gp.Camera()
# search ports for camera port name
port_info_list = gp.PortInfoList()
port_info_list.load()
idx = port_info_list.lookup_path(addr)
camera.set_port_info(port_info_list[idx])
camera.init()
config = gp.check_result(gp.gp_camera_get_config(camera))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(camera, config))
return camera
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())
gp.check_result(gp.gp_camera_init(camera))
# required configuration will depend on camera type!
print('Checking camera config')
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
print('Cannot preview raw images')
return 1
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 = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_init(camera, context))
# required configuration will depend on camera type!
print('Checking camera config')
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera, context))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
print('Cannot preview raw images')
return 1
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(camera, config, context))
# capture preview image (not saved to camera memory card)
print('Capturing preview image')
camera_file = gp.check_result(gp.gp_camera_capture_preview(camera, context))
file_data = gp.check_result(gp.gp_file_get_data_and_size(camera_file))
# display image
data = memoryview(file_data)
print(type(data), len(data))
print(data[:10].tolist())
image = Image.open(io.BytesIO(file_data))
image.show()
gp.check_result(gp.gp_camera_exit(camera, context))
return 0
def preview_image():
callback_obj = gp.check_result(gp.use_python_logging())
camera = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_init(camera))
# required configuration will depend on camera type!
print('Checking camera config')
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera))
# find the image format config item
# camera dependent - 'imageformat' is 'imagequality' on some
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
print('Cannot preview raw images')
# return 1
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(camera, config))
# capture preview image (not saved to camera memory card)
print('Capturing preview image')
camera_file = gp.check_result(gp.gp_camera_capture_preview(camera))
file_data = gp.check_result(gp.gp_file_get_data_and_size(camera_file))
# display image
data = memoryview(file_data)
image = cv2.imdecode(np.asarray(bytearray(data), dtype=np.uint8), 3)
cv2.imshow("preview",image)
cv2.waitKey()
# image.show()
gp.check_result(gp.gp_camera_exit(camera))
def waitForCamera(context):
showText(AREA_PREVIEW,"Warte auf Kamera ")
pygame.display.flip()
camera = gp.check_result(gp.gp_camera_new())
err=gp.gp_camera_init(camera, context)
if (err < gp.GP_OK):
if err != gp.GP_ERROR_MODEL_NOT_FOUND:
# some other error we can't handle here
raise gp.GPhoto2Error(err)
return
# required configuration will depend on camera type!
print('Checking camera config')
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera, context))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
raise gp.GPhoto2Error('Cannot preview raw images')
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(camera, config, context))
OK,txt=gp.gp_camera_get_summary(camera,context)
infod=txToDict(txt.text)
showText(AREA_PREVIEW,infod.get('Model'))
info.camera=infod.get('Model')
pygame.display.flip()
return camera
def waitForCamera(context):
showText(AREA_PREVIEW, "Warte auf Kamera ")
pygame.display.flip()
camera = gp.check_result(gp.gp_camera_new())
err = gp.gp_camera_init(camera, context)
if (err < gp.GP_OK):
if err != gp.GP_ERROR_MODEL_NOT_FOUND:
# some other error we can't handle here
raise gp.GPhoto2Error(err)
return
# required configuration will depend on camera type!
print('Checking camera config')
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera, context))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
raise gp.GPhoto2Error('Cannot preview raw images')
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(camera, config, context))
OK, txt = gp.gp_camera_get_summary(camera, context)
infod = txToDict(txt.text)
showText(AREA_PREVIEW, infod.get('Model'))
info.camera = infod.get('Model')
pygame.display.flip()
return camera
def main():
# use Python logging
logging.basicConfig(
format='%(levelname)s: %(name)s: %(message)s', level=logging.WARNING)
callback_obj = gp.check_result(gp.use_python_logging())
# open camera connection
camera = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_init(camera))
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(camera))
# find the capture target config item
capture_target = gp.check_result(
gp.gp_widget_get_child_by_name(config, 'capturetarget'))
# print current setting
value = gp.check_result(gp.gp_widget_get_value(capture_target))
print('Current setting:', value)
# print possible settings
for n in range(gp.check_result(gp.gp_widget_count_choices(capture_target))):
choice = gp.check_result(gp.gp_widget_get_choice(capture_target, n))
print('Choice:', n, choice)
# clean up
gp.check_result(gp.gp_camera_exit(camera))
return 0
def main():
logging.basicConfig( format='%(levelname)s: %(name)s: %(message)s', level=logging.WARNING)
gp.check_result(gp.use_python_logging())
print('Establishing communication with the camera (wait few seconds)')
camera = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_init(camera))
# required configuration will depend on camera type!
config = gp.check_result(gp.gp_camera_get_config(camera))
print('Camera ready')
# TODO get the list of 'gp_abilities_list_get_abilities' or something like that ?
# --> find out how to set image format
# --> also use it to set shutter and ISO
def my_set(name, value):
OK, widget = gp.gp_widget_get_child_by_name(config, name)
if OK >= gp.GP_OK:
widget_type = gp.check_result(gp.gp_widget_get_type(widget))
gp.check_result(gp.gp_widget_set_value(widget, value))
gp.check_result(gp.gp_camera_set_config(camera, config))
else:
print("Error setting value %s for %s using widget %s" % (value, name, widget))
#my_set(name='imageformat', value='Large Fine JPEG')
my_set(name='imageformat', value='RAW')
my_set(name='shutterspeed', value='{}'.format(shutterspeed))
my_set(name='iso', value='{}'.format(iso))
# find the image format config item
OK, image_format = gp.gp_widget_get_child_by_name(config, 'imageformat')
if OK >= gp.GP_OK:
imgformat = gp.check_result(gp.gp_widget_get_value(image_format))
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name(config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(camera, config))
# capture preview image (not saved to camera memory card)
print('Capturing preview image')
camera_file = gp.check_result(gp.gp_camera_capture_preview(camera))
file_data = gp.check_result(gp.gp_file_get_data_and_size(camera_file))
print('01----------', type(file_data),file_data)
# display image
data = memoryview(file_data)
print('02----------', type(data), data)
print(' ', len(data))
print(data[:10].tolist())
if 'raw' in imgformat.lower():
#rawimage = open(io.BytesIO(file_data))
## FIXME raw format would be more accurate than JPEG, but AttributeError: '_io.BytesIO' object has no attribute 'encode'
#xx from rawkit import raw
#xx raw_image_process = raw.Raw(io.BytesIO(file_data))
#import rawpy
#raw = rawpy.imread(bytesio)
#rgb = raw.postprocess()
#bytesio = io.BytesIO(file_data)
#print('bytesio', bytesio)
raw_file_name = 'image_logs/output_debayered_{}s_ISO{}_{}.cr2'.format(shutterspeed.replace('/','div'), iso, comment)
gp.gp_file_save(camera_file, raw_file_name)
# Note that - if Canon cameras are used - the dependency on rawkit can be replaced with a dedicated parser
#https://codereview.stackexchange.com/questions/75374/cr2-raw-image-file-parser-in-python-3
from rawkit.raw import Raw
from rawkit.options import interpolation
raw_image = Raw(filename=raw_file_name)
# 'bayer_data', 'close', 'color', 'color_description', 'color_filter_array', 'data',
# 'image_unpacked', 'libraw', 'metadata', 'options', 'process', 'raw_image', 'save',
# 'save_thumb', 'thumb_unpacked', 'thumbnail_to_buffer', 'to_buffer', 'unpack', 'unpack_thumb'
#raw_image.options.interpolation = interpolation.linear # or "amaze", see https://rawkit.readthedocs.io/en/latest/api/rawkit.html
raw_image.options.interpolation = interpolation.amaze # or "amaze", see https://rawkit.readthedocs.io/en/latest/api/rawkit.html
raw_image.save("output-test.ppm") ## FIXME - saved ppm image has auto-normalized brightness, why?
raw_image_process = raw_image.process()
if raw_image_process is raw_image: print("they are identical")
## FIXME -
npimage = np.array(raw_image.raw_image(include_margin=False)) # returns: 2D np. array
#print('bayer_data', raw_image.bayer_data()) # ?
#print('as_array', raw_image.as_array()) # does not exist, although documented??
#print(type(raw_image.to_buffer())) # Convert the image to an RGB buffer. Return type: bytearray
#npimage = np.array(flat_list).reshape(4)
print(npimage) ## gives 1-d array of values
print(npimage.shape) ## gives 1-d array of values
plt.imshow(npimage)
plt.hist(npimage.flatten(), 4096)
#plt.plot([200,500], [300,-100], lw=5, c='r')
#plt.show()
## Save the raw pixels
try: import cPickle as pickle
except: import pickle
print('retrieved image as numpy array with dimensions:', npimage.shape)
#scipy.ndimage.
print('', )
print('', )
print(npimage.shape)
else:
image = Image.open(io.BytesIO(file_data))
npimage = np.array(image)
return npimage
print('retrieved image as numpy array with dimensions:', npimage.shape)
#image.show()
plt.imshow(npimage)
plt.plot([200,500], [300,-100], lw=5, c='k')
plt.show()
# TODO http://www.scipy-lectures.org/advanced/image_processing/#blurring-smoothing
# display with polynomially curved paths,
# linear convolve,
# linearize along the paths, (possibly subtract background?)
# generate polynomial x-axis
# stitch smoothly
gp.check_result(gp.gp_camera_exit(camera))
return 0
def get_value():
config = camera.get_config()
param = 'manualfocusdrive'
widget = gp.check_result(gp.gp_widget_get_child_by_name(config, param))
return gp.gp_widget_get_value(widget)
def __init__(self, memory_type=None):
self.log = logger.add_module("Camera")
if debug:
self.log.info('debug mode without actual camera')
self.last_image = False
self.memory_type = memory_type
self.last_image = None
self.last_preview = None
self.last_success = False
self.error_count = 0
self.global_errors = 0
if debug:
self.index = 0
else:
# copy+paste: gphoto2/examples/preview-image.py
gp.check_result(gp.use_python_logging())
self.cam = gp.check_result(gp.gp_camera_new())
gp.check_result(gp.gp_camera_init(self.cam))
# required configuration will depend on camera type!
# get configuration tree
config = gp.check_result(gp.gp_camera_get_config(self.cam))
self.available_memory = []
self.load_available_memory(True)
#now comes the configuration which depends on the camera used
if not debug:
# find the image format config item
# camera dependent - 'imageformat' is 'imagequality' on some
OK, image_format = gp.gp_widget_get_child_by_name(
config, 'imageformat')
if OK >= gp.GP_OK:
# get current setting
value = gp.check_result(gp.gp_widget_get_value(image_format))
# make sure it's not raw
if 'raw' in value.lower():
self.log.error('Cannot preview raw images')
return 1
# find the capture size class config item
# need to set this on my Canon 350d to get preview to work at all
OK, capture_size_class = gp.gp_widget_get_child_by_name(
config, 'capturesizeclass')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(
gp.gp_widget_get_choice(capture_size_class, 2))
gp.check_result(
gp.gp_widget_set_value(capture_size_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(self.cam, config))
# set storage folder+file - TODO: depending on memory_type
capture_target = 1
for mem in self.available_memory:
if mem[MEM_NAME] == memory_type:
capture_target = mem[MEM_INDEX]
break
OK, capture_target_class = gp.gp_widget_get_child_by_name(
config, 'capturetarget')
if OK >= gp.GP_OK:
# set value
value = gp.check_result(
gp.gp_widget_get_choice(capture_target_class,
capture_target))
gp.check_result(
gp.gp_widget_set_value(capture_target_class, value))
# set config
gp.check_result(gp.gp_camera_set_config(self.cam, config))
def get_config_value(key, camera, context):
config_widget = gp.check_result(gp.gp_camera_get_config(camera, context))
camera_widget_child = gp.check_result(gp.gp_widget_get_child_by_name(config_widget, key))
config_value = gp.check_result(gp.gp_widget_get_value(camera_widget_child))
return config_value
def get_parameter(self, parameter_name):
error, parameter = gphoto2.gp_widget_get_child_by_name(self.config, parameter_name)
if error < 0:
print "Parameter does not exist"
return
return gphoto2.gp_widget_get_value(parameter)
def get_config_value (config, config_name):
OK, config_child = gp.gp_widget_get_child_by_name(config,config_name)
if OK >= gp.GP_OK:
value = gp.check_result(gp.gp_widget_get_value(config_child))
return value
def get_config(self, config_name):
config, widget = self._get_widget(config_name)
return gp.check_result(gp.gp_widget_get_value(widget))
