def exc_desktop_call(self, meth, *args, **kwargs):
if self._desktop is None:
self._desktop = get_desktop()
try:
m = getattr(self._desktop.__class__, meth, None)
if m is None:
print('method %s not found in class %s'%(meth, self._desktop.__class__.__name__))
raise CommandError()
return m(self._desktop, *args, **kwargs)
except (WPStyleError, DesktopError) as e:
print(e)
raise CommandError()
def exc_call(self, method):
try:
score = method()
print('image score: %d' % score)
except DBImageError as e:
print(str(e))
raise CommandError()
def config_call(self, func, *args):
try:
r = func(*args)
return r
except (ConfigError, ValueError) as e:
print(str(e))
raise CommandError()
def get_wallpaper_image(self):
try:
db_images = DBImages()
image = db_images.get_current_wallpaper_image()
except DBImageError as e:
print(e)
raise CommandError()
return image
def keep(self, period):
'''Keep the wallpaper unchanged for a certain period of time.
period: time period'''
try:
exp_period = self.keep_wallpaper(period)
print('wallpaper will stick for next %s' % exp_period)
except KeepError as e:
print(str(e))
raise CommandError()
def add(self, frequency): '''Add schedule. frequency: time frequency for changing wallpaper''' scheduler = Scheduler() try: scheduler.set_frequency(frequency) except SchedulerError as e: print(str(e)) raise CommandError()
def player_list_error_wrapped(self, method, *args, **kwargs):
try:
return method(*args, **kwargs)
except PlayerListError as e:
print(e)
raise CommandError()
except AttributeError as e:
# In case a command is sent to class Player and VLC is not running, the following error occurs:
# <<'NoneType' object has no attribute 'xyz'.>>
# This error is explicitly catched here to avoid crashing of the complete program.
print("VLC player is not running.")
return -1
def validate_input(self, regex, input, err_msg):
#import pdb; pdb.set_trace()
match = re.compile(regex).match(input)
if match is None:
print(err_msg)
raise CommandError()
return match
#later
#@common
#def instance(self, id=1, all):
'''Common arguments for subcommands dealing with multiple instances.
def favorite(self, unfavorite=False):
'''Favorite current wallpaper image.
unfavorite: remove current wallpaper image from favorites'''
db_images = Images()
try:
if not unfavorite:
db_images.favorite_wallpaper()
print('favorited')
else:
db_images.unfavorite_wallpaper()
print('removed from favorites')
except DBImageError as e:
print(str(e))
raise CommandError()
def change_wallpaper(self, params):
exc = None
for _ in range(0, self._repeat_count):
try:
wallpaper = Wallpaper(params=params)
wallpaper.change()
except WallpaperError as e:
printer.printf('error', str(e))
exc = CommandError()
sleep(self._repeat_delay)
if exc is not None:
raise exc
def dump(self):
'Print all the configuration settings.'
settings = self.exc_call(self._config.get_all)
for name, value in settings:
printer.printf(name, str(value))
printer.printf('', '')
try:
sources = Sources()
source_states = sources.get_all()
except DBSourceError as e:
print(e)
raise CommandError()
for name, enabled in source_states:
printer.printf(name, 'enabled' if enabled else 'disabled')
def exc_call(self, method, *args):
try:
method(*args)
except DBSourceError as e:
print(e)
raise CommandError()
def exc_call(self, method, *args, **kwargs):
try:
return method(*args, **kwargs)
except ConfigError as e:
print(e)
raise CommandError()
def player_list_error_wrapped(self, method, *args, **kwargs):
try:
return method(*args, **kwargs)
except PlayerListError as e:
print(e)
raise CommandError()