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How to use reversed method in Lemoncheesecake

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interval_actions.py

Source:interval_actions.py

...150        setattr(self.target, self.attrib,151                self.start_p + self.delta * t152                )153154    def __reversed__(self):155        return Lerp(self.attrib, self.end_p, self.start_p, self.duration)156        157class RotateBy( IntervalAction ):158    """Rotates a `CocosNode` object clockwise a number of degrees159    by modiying it's rotation attribute.160161    Example::162163        # rotates the sprite 180 degrees in 2 seconds164        action = RotateBy( 180, 2 )165        sprite.do( action )166    """167    def init(self, angle, duration ):168        """Init method.169170        :Parameters:171            `angle` : float172                Degrees that the sprite will be rotated.173                Positive degrees rotates the sprite clockwise.174            `duration` : float175                Duration time in seconds176        """177        self.angle = angle          #: Quantity of degrees to rotate178        self.duration = duration    #: Duration in seconds179180    def start( self ):181        self.start_angle = self.target.rotation182        183    def update(self, t):184        self.target.rotation = (self.start_angle + self.angle * t ) % 360185            186    def __reversed__(self):187        return RotateBy(-self.angle, self.duration)188189Rotate = RotateBy190191192class RotateTo( IntervalAction ):193    """Rotates a `CocosNode` object to a certain angle by modifying it's194    rotation attribute.195    The direction will be decided by the shortest angle.196197    Example::198199        # rotates the sprite to angle 180 in 2 seconds200        action = RotateTo( 180, 2 )201        sprite.do( action )202    """203    def init(self, angle, duration ):204        """Init method.205206        :Parameters:207            `angle` : float208                Destination angle in degrees.209            `duration` : float210                Duration time in seconds211        """212        self.angle = angle%360      #: Destination angle in degrees213        self.duration = duration    #: Duration in seconds214215    def start( self ):216        ea = self.angle217        sa = self.start_angle = (self.target.rotation%360)218        self.angle = ((ea%360) - (sa%360))219        if self.angle > 180: 220            self.angle = -360+self.angle221        if self.angle < -180: 222            self.angle = 360+self.angle223        224    def update(self, t):225        self.target.rotation = (self.start_angle + self.angle * t ) % 360226227    def __reversed__(self):228        return RotateTo(-self.angle, self.duration)229        230class Speed( IntervalAction ):231    """232    Changes the speed of an action, making it take longer (speed>1)233    or less (speed<1)234235    Example::236237        # rotates the sprite 180 degrees in 1 secondclockwise238        action = Speed( Rotate( 180, 2 ), 2 )239        sprite.do( action )240    """241    def init(self, other, speed ):242        """Init method.243244        :Parameters:245            `other` : IntervalAction246                The action that will be affected247            `speed` : float248                The speed change. 1 is no change.249                2 means twice as fast, takes half the time250                0.5 means half as fast, takes double the time251        """252        self.other = other253        self.speed = speed254        self.duration = other.duration/speed255256    def start(self):257        self.other.target = self.target258        self.other.start()259260    def update(self, t):261        self.other.update( t )262263    def __reversed__(self):264        return Speed( Reverse( self.other ), self.speed )265266class Accelerate( IntervalAction ):267    """268    Changes the acceleration of an action269270    Example::271272        # rotates the sprite 180 degrees in 2 seconds clockwise273        # it starts slow and ends fast274        action = Accelerate( Rotate( 180, 2 ), 4 )275        sprite.do( action )276    """277    def init(self, other, rate = 2):278        """Init method.279280        :Parameters:281            `other` : IntervalAction282                The action that will be affected283            `rate` : float284                The acceleration rate. 1 is linear.285                the new t is t**rate286        """287        self.other = other288        self.rate = rate289        self.duration = other.duration290291    def start(self):292        self.other.target = self.target293        self.other.start()294295    def update(self, t):296        self.other.update( t**self.rate )297298    def __reversed__(self):299        return Accelerate(Reverse(self.other), 1.0/self.rate)300301class AccelDeccel( IntervalAction ):302    """303    Makes an action change the travel speed but retain near normal304    speed at the beginning and ending.305306    Example::307308        # rotates the sprite 180 degrees in 2 seconds clockwise309        # it starts slow, gets fast and ends slow310        action = AccelDeccel( RotateBy( 180, 2 ) )311        sprite.do( action )312    """313    def init(self, other):314        """Init method.315316        :Parameters:317            `other` : IntervalAction318                The action that will be affected319        """320        self.other = other321        self.duration = other.duration322323    def start(self):324        self.other.target = self.target325        self.other.start()326327    def update(self, t):328        if t != 1.0:329            ft = (t - 0.5) * 12330            t = 1./( 1. + math.exp(-ft) )331        self.other.update( t )332333    def __reversed__(self):334        return AccelDeccel( Reverse(self.other) )335336337338class MoveTo( IntervalAction ):339    """Moves a `CocosNode` object to the position x,y. x and y are absolute coordinates340    by modifying it's position attribute.341342    Example::343344        # Move the sprite to coords x=50, y=10 in 8 seconds345346        action = MoveTo( (50,10), 8 )347        sprite.do( action )348    """349    def init(self, dst_coords, duration=5):350        """Init method.351352        :Parameters:353            `dst_coords` : (x,y)354                Coordinates where the sprite will be placed at the end of the action355            `duration` : float356                Duration time in seconds357        """358359        self.end_position = Point2( *dst_coords )360        self.duration = duration361362    def start( self ):363        self.start_position = self.target.position364        self.delta = self.end_position-self.start_position365366367    def update(self,t):368        self.target.position = self.start_position + self.delta * t369370class MoveBy( MoveTo ):371    """Moves a `CocosNode` object x,y pixels by modifying it's 372    position attribute.373    x and y are relative to the position of the object.374    Duration is is seconds.375376    Example::377378        # Move the sprite 50 pixels to the left in 8 seconds379        action = MoveBy( (-50,0), 8 )380        sprite.do( action )381    """382    def init(self, delta, duration=5):383        """Init method.384385        :Parameters:386            `delta` : (x,y)387                Delta coordinates388            `duration` : float389                Duration time in seconds390        """391        self.delta = Point2( *delta )392        self.duration = duration393394    def start( self ):395        self.start_position = self.target.position396        self.end_position = self.start_position + self.delta397398    def __reversed__(self):399        return MoveBy(-self.delta, self.duration)400401class FadeOut( IntervalAction ):402    """Fades out a `CocosNode` object by modifying it's opacity attribute.403404    Example::405406        action = FadeOut( 2 )407        sprite.do( action )408    """409    def init( self, duration ):410        """Init method.411412        :Parameters:413            `duration` : float414                Seconds that it will take to fade415        """416        self.duration = duration417418    def update( self, t ):419        self.target.opacity = 255 * (1-t)420421    def __reversed__(self):422        return FadeIn( self.duration )423424class FadeTo( IntervalAction ):425    """Fades a `CocosNode` object to a specific alpha value by modifying it's opacity attribute.426427    Example::428429        action = FadeTo( 128, 2 )430        sprite.do( action )431    """432    def init( self, alpha, duration ):433        """Init method.434435        :Parameters:436            `alpha` : float437                0-255 value of opacity438            `duration` : float439                Seconds that it will take to fade440        """441        self.alpha = alpha442        self.duration = duration443444    def start(self):445        self.start_alpha = self.target.opacity446447    def update( self, t ):448        self.target.opacity = self.start_alpha + (449                    self.alpha - self.start_alpha450                    ) * t451452453class FadeIn( FadeOut):454    """Fades in a `CocosNode` object by modifying it's opacity attribute.455456    Example::457458        action = FadeIn( 2 )459        sprite.do( action )460    """461    def update( self, t ):462        self.target.opacity = 255 * t463464    def __reversed__(self):465        return FadeOut( self.duration )466467class ScaleTo(IntervalAction):468    """Scales a `CocosNode` object to a zoom factor by modifying it's scale attribute.469470    Example::471472        # scales the sprite to 5x in 2 seconds473        action = ScaleTo( 5, 2 )474        sprite.do( action )475    """476    def init(self, scale, duration=5 ):477        """Init method.478479        :Parameters:480            `scale` : float481                scale factor482            `duration` : float483                Duration time in seconds484        """485        self.end_scale = scale486        self.duration = duration487488    def start( self ):489        self.start_scale = self.target.scale490        self.delta = self.end_scale-self.start_scale491492    def update(self, t):493        self.target.scale = self.start_scale + self.delta * t494495496class ScaleBy(ScaleTo):497    """Scales a `CocosNode` object a zoom factor by modifying it's scale attribute.498499    Example::500501        # scales the sprite by 5x in 2 seconds502        action = ScaleBy( 5, 2 )503        sprite.do( action )504    """505506    def start( self ):507        self.start_scale = self.target.scale508        self.delta =  self.start_scale*self.end_scale - self.start_scale509510    def __reversed__(self):511        return ScaleBy( 1.0/self.end_scale, self.duration )512513514class Blink( IntervalAction ):515    """Blinks a `CocosNode` object by modifying it's visible attribute516517    The action ends with the same visible state than at the start time.518519    Example::520521        # Blinks 10 times in 2 seconds522        action = Blink( 10, 2 )523        sprite.do( action )524    """525526527    def init(self, times, duration):528        """Init method.529530        :Parameters:531            `times` : integer532                Number of times to blink533            `duration` : float534                Duration time in seconds535        """536        self.times = times537        self.duration = duration538539    def start(self):540        self.end_invisible = not self.target.visible 541542    def update(self, t):543        slice = 1.0 / self.times544        m =  t % slice545        self.target.visible = self.end_invisible ^ (m  <  slice / 2.0)546547    def __reversed__(self):548        return self549550551class Bezier( IntervalAction ):552    """Moves a `CocosNode` object through a bezier path by modifying it's position attribute.553554    Example::555556        action = Bezier( bezier_conf.path1, 5 )   # Moves the sprite using the557        sprite.do( action )                       # bezier path 'bezier_conf.path1'558                                                  # in 5 seconds559    """560    def init(self, bezier, duration=5, forward=True):561        """Init method562563        :Parameters:564            `bezier` : bezier_configuration instance565                A bezier configuration566            `duration` : float567                Duration time in seconds568        """569        self.duration = duration570        self.bezier = bezier571        self.forward = forward572573    def start( self ):574        self.start_position = self.target.position575576    def update(self,t):577        if self.forward:578            p = self.bezier.at( t )579        else:580            p = self.bezier.at( 1-t )581        self.target.position = ( self.start_position +Point2( *p ) )582583    def __reversed__(self):584        return Bezier(self.bezier, self.duration, not self.forward)585586class Jump(IntervalAction):587    """Moves a `CocosNode` object simulating a jump movement by modifying it's position attribute.588589    Example::590591        action = Jump(50,200, 5, 6)    # Move the sprite 200 pixels to the right592        sprite.do( action )            # in 6 seconds, doing 5 jumps593                                       # of 50 pixels of height594    """595596    def init(self, y=150, x=120, jumps=1, duration=5):597        """Init method598599        :Parameters:600            `y` : integer601                Height of jumps602            `x` : integer603                horizontal movement relative to the startin position604            `jumps` : integer605                quantity of jumps606            `duration` : float607                Duration time in seconds608        """609610        import warnings611        warnings.warn('Deprecated "Jump" action. Consider using JumpBy instead', DeprecationWarning)612        613614        self.y = y615        self.x = x616        self.duration = duration617        self.jumps = jumps618619    def start( self ):620        self.start_position = self.target.position621622    def update(self, t):623        y = int( self.y * abs( math.sin( t * math.pi * self.jumps ) ) )624625        x = self.x * t626        self.target.position = self.start_position + Point2(x,y)627628    def __reversed__(self):629        return Jump(self.y, -self.x, self.jumps, self.duration)630631class JumpBy(IntervalAction):632    """Moves a `CocosNode` object simulating a jump movement by modifying it's position attribute.633634    Example::635636        # Move the sprite 200 pixels to the right and up637        action = JumpBy((100,100),200, 5, 6)    638        sprite.do( action )            # in 6 seconds, doing 5 jumps639                                       # of 200 pixels of height640    """641642    def init(self, position=(0,0), height=100, jumps=1, duration=5):643        """Init method644645        :Parameters:646            `position` : integer x integer tuple647                horizontal and vertical movement relative to the 648                starting position649            `height` : integer650                Height of jumps651            `jumps` : integer652                quantity of jumps653            `duration` : float654                Duration time in seconds655        """656        self.position = position657        self.height = height658        self.duration = duration659        self.jumps = jumps660661    def start( self ):662        self.start_position = self.target.position663        self.delta = Vector2(*self.position)664        665    def update(self, t):666        y = self.height * abs( math.sin( t * math.pi * self.jumps ) )667        y = int(y+self.delta[1] * t)668        x = self.delta[0] * t669        self.target.position = self.start_position + Point2(x,y)670        671    def __reversed__(self):672        return JumpBy( (-self.position[0],-self.position[1]), self.height, self.jumps, self.duration)673674class JumpTo(JumpBy):675    """Moves a `CocosNode` object to a position simulating a jump movement by modifying676    it's position attribute.677678    Example::679680        action = JumpTo(50,200, 5, 6)  # Move the sprite 200 pixels to the right681        sprite.do( action )            # in 6 seconds, doing 5 jumps682                                       # of 50 pixels of height683    """684685686    def start( self ):687        self.start_position = self.target.position688        self.delta = Vector2(*self.position)-self.start_position689          690691class Delay(IntervalAction):692    """Delays the action a certain amount of seconds693694   Example::695696        action = Delay(2.5)697        sprite.do( action )698    """699    def init(self, delay):700        """Init method701702        :Parameters:703            `delay` : float704                Seconds of delay705        """706        self.duration = delay707708    def __reversed__(self):709        return self710        711712class RandomDelay(Delay):713    """Delays the actions between *min* and *max* seconds714715   Example::716717        action = RandomDelay(2.5, 4.5)      # delays the action between 2.5 and 4.5 seconds718        sprite.do( action )719    """720    def init(self, low, hi):721        """Init method722
...

player.py

Source:player.py

...123            self.cached_next = None124            self.cached_next_file = None125    def move_queue_item(self, source_index, dest_index):126        if -1 < source_index < len(self.__queue) and -1 < dest_index < len(self.__queue):127            helper_q = list(self.__queue.__reversed__())128            helper_q.insert(dest_index, helper_q.pop(source_index))129            self.__queue = list(helper_q.__reversed__())130            if dest_index <= self.queue_position < source_index:131                self.queue_position += 1132            elif source_index < self.queue_position <= dest_index:133                self.queue_position -= 1134            elif source_index == self.queue_position:135                self.queue_position = dest_index136            self.__cache_next()137    def set_queue(self, queue):138        self.__queue = queue.__reversed__()139        self.queue_position = -1140        self.cached_next = Stream(self.__queue.__reversed__[self.queue_position+1].file, self.next_track) if \141            (len(self.__queue) and self.__queue[self.queue_position+1].file != self.cached_next_file) else None142        self.cached_next_file = \143            self.__queue[self.queue_position+1].file \144                if (self.queue_position+1 < len(self.__queue)145                    and self.__queue[self.queue_position+1].file != self.cached_next_file) else None146    def __load(self, track):147        self.kill_stream()148        self.track = track149        logs.print_info(u"Åadowanie {}".format(self.track.title))150        self.__stream = Stream(self.track.file, self.next_track)151    def get_queue_position(self):152        return self.queue_position153    def set_queue_position(self, pos):154        if -1 < pos < len(self.__queue):155            self.queue_position = pos156            self.__load(list(self.__queue.__reversed__())[pos])157            self.__cache_next()158    def del_from_queue(self, pos):159        helper_q = list(self.__queue.__reversed__())160        del helper_q[pos]161        self.__queue = list(helper_q.__reversed__())162        if pos == self.queue_position:163            self.queue_position -= 1164            self.next_track()165        elif pos < self.queue_position:166            self.queue_position -= 1167    def add_to_queue(self, track):168        self.__queue.insert(0, track)169        if len(self.__queue) == 1:170            self.set_queue_position(0)171        self.__cache_next()172    def get_queue(self):173        return list(self.__queue.__reversed__())174    @staticmethod175    def set_volume(value):176        mixer.setvolume(value)177    @staticmethod178    def get_volume():179        return mixer.getvolume()180    def get_position(self):181        if self.__stream:182            return self.__stream.get_position()183        else:184            return 0185    def get_duration(self):186        if self.__stream:187            return self.__stream.get_duration()188        else:189            return 0190    def is_playing(self):191        return self.__stream and self.__stream.is_playing()192    def get_json_status(self):193        vol = self.get_volume()194        data = {"vol_left": vol[0],195                "vol_right": vol[0] if len(vol) == 1 else vol[1],196                "status": "playing" if self.is_playing() else "paused",197                "queue_position": self.get_queue_position(),198                "mode": self.mode,199                "queue_md5": self.get_queue_hash()}200        if self.track:201            data["file"] = self.track.file202            data["position"] = self.get_position()203            data["duration"] = self.get_duration()204            data["artist"] = self.track.artist.name205            data["album"] = self.track.album.name206            data["title"] = self.track.title207        return data208    def pause(self):209        if self.__stream:210            self.__stream.pause()211    def play(self):212        if self.__stream and self.gaps.is_unlocked():213            self.__stream.play()214            logs.print_info("Odtwarzanie {}".format(self.track.title))215    def stop(self):216        if self.__stream:217            self.__stream.pause()218            self.__stream.seek(0)219            logs.print_info(u"Zatrzymano {}".format(self.track.title))220    def kill_stream(self):221        if self.__stream:222            self.__stream.kill()223            logs.print_info(u"Zabito strumieÅ {}".format(self.__stream.get_file()))224    def seek(self, seconds):225        if self.__stream:226            self.__stream.seek(seconds)227    def next_track(self, is_call_internal=False):228        if is_call_internal and self.mode == Player.MODE_REPEAT_ONE:229            self.seek(0)230            self.play()231            return232        logs.print_info(u"Przechodzenie do kolejnego utworu")233        self.kill_stream()234        if self.queue_position+1 < len(self.__queue):235            self.queue_position += 1236            if not self.cached_next or self.cached_next_file != list(self.__queue.__reversed__())[self.queue_position].file:237                self.__load(list(self.__queue.__reversed__())[self.queue_position])238                self.play()239            else:240                self.__stream = self.cached_next241                self.cached_next = None242                self.cached_next_file = None243                self.track = list(self.__queue.__reversed__())[self.queue_position]244            self.play()245        elif is_call_internal and self.mode == Player.MODE_REPEAT:246            self.set_queue_position(0)247            self.play()248        else:249            self.track = None250            self.queue_position = len(self.__queue)251            return252        self.__cache_next()253    def __cache_next(self):254        next_position = self.queue_position + 1255        if self.mode == Player.MODE_REPEAT and self.queue_position + 1 == len(self.__queue):256            next_position = 0257        if not next_position < len(self.__queue) or self.mode == Player.MODE_REPEAT_ONE:258            if self.cached_next:259                logs.print_info(u"Usuwanie cache - {}".format(self.cached_next.get_file()))260                self.cached_next.kill()261            self.cached_next = None262            self.cached_next_file = None263            return264        are_equal = list(self.__queue.__reversed__())[next_position].file == self.cached_next_file265        if not are_equal:266            if self.cached_next:267                logs.print_info(u"Czyszczenie cache - {}".format(self.cached_next.get_file()))268                self.cached_next.kill()269            self.cached_next = Stream(list(self.__queue.__reversed__())[next_position].file, self.next_track, is_cache=True)270            self.cached_next_file = list(self.__queue.__reversed__())[next_position].file271            logs.print_info(u"Cachowanie {}".format(self.cached_next.get_file()))272    def prev_track(self):273        logs.print_info(u"Przechodzenie do poprzedniego utworu")274        if self.queue_position <= 0:275            self.seek(0)276            self.play()277            return278        else:279            self.queue_position -= 2280            self.next_track()281def get_musiclibrary():282    lib_files = music_library.get_file_list(config.library_path)283    global lib284    lib = music_library.parse_library(lib_files)...

LabelMe.py

Source:LabelMe.py

1import torch2import cv23import os4import numpy as np5various = torch.Tensor([0,0,0]).__reversed__()6building = torch.Tensor([128,0,0]).__reversed__()7car = torch.Tensor([128,0,128]).__reversed__()8door = torch.Tensor([128,128,0]).__reversed__()9pavement = torch.Tensor([128,128,128]).__reversed__()10road = torch.Tensor([128,64,0]).__reversed__()11sky = torch.Tensor([0,128,128]).__reversed__()12vegetation = torch.Tensor([0,128,0]).__reversed__()13window = torch.Tensor([0,0,128]).__reversed__()14path = '/home/quantum/Workspace/Storage/Other/Temp/dataset/YOLO_Data/data/images/facade/'15facade_labels_path = '/home/quantum/Workspace/Storage/Other/Temp/dataset/YOLO_Data/data/labels/facade/'16annotations_path = '/home/quantum/Workspace/Storage/Other/Temp/dataset/labelmefacade/labels/'17files = sorted(os.listdir(path))18label_files = sorted(os.listdir(annotations_path))19def write_box(f, rect, height, width):20    x, y, w, h = rect21    f.write("91 {} {} {} {}\n".format((x + w/2) / width, (y + h/2) / height, (w / width), (h / height)))22start = 023for i in range(start, len(files)):24    print(i, "Reading: ", files[i], label_files[i], end='')25    if files[i][-4:] != '.jpg':26        continue27    f = open(facade_labels_path + files[i][:-4] + '.txt', '+w')...

bad_reversed_sequence.py

Source:bad_reversed_sequence.py

...4from collections import deque5__revision__ = 06class GoodReversed(object):7    """ Implements __reversed__ """8    def __reversed__(self):9        return [1, 2, 3]10class SecondGoodReversed(object):11    """ Implements __len__ and __getitem__ """12    def __len__(self):13        return 314    def __getitem__(self, index):15        return index16class BadReversed(object):17    """ implements only len() """18    def __len__(self):19        return 320class SecondBadReversed(object):21    """ implements only __getitem__ """22    def __getitem__(self, index):23        return index24class ThirdBadReversed(dict):25    """ dict subclass """26def uninferable(seq):27    """ This can't be infered at this moment,28    make sure we don't have a false positive.29    """30    return reversed(seq)31def test(path):32    """ test function """33    seq = reversed() # No argument given34    seq = reversed(None) # [bad-reversed-sequence]35    seq = reversed([1, 2, 3])36    seq = reversed((1, 2, 3))37    seq = reversed(set()) # [bad-reversed-sequence]38    seq = reversed({'a': 1, 'b': 2}) # [bad-reversed-sequence]39    seq = reversed(iter([1, 2, 3])) # [bad-reversed-sequence]40    seq = reversed(GoodReversed())41    seq = reversed(SecondGoodReversed())42    seq = reversed(BadReversed()) # [bad-reversed-sequence]43    seq = reversed(SecondBadReversed()) # [bad-reversed-sequence]44    seq = reversed(range(100))45    seq = reversed(ThirdBadReversed()) # [bad-reversed-sequence]46    seq = reversed(lambda: None) # [bad-reversed-sequence]47    seq = reversed(deque([]))48    seq = reversed("123")49    seq = uninferable([1, 2, 3])50    seq = reversed(path.split("/"))51    return seq52def test_dict_ancestor_and_reversed():53    """Don't emit for subclasses of dict, with __reversed__ implemented."""54    from collections import OrderedDict55    class Child(dict):56        def __reversed__(self):57            return reversed(range(10))58    seq = reversed(OrderedDict())...

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