def make_apng(
dest: str,
blob: bytes,
frames: FRAME_DATA_TYPE,
speed: float = 1.0,
):
"""Make APNG file from given file data and frame data.
This function must need apng library dependency.
:param dest: path of output file
:type dest: :class:`str`
:param blob: blob of zip file from :func:`ugoira.lib.download_ugoira_zip`
:type blob: :class:`bytes`
:param frames: mapping object of each frame's filename and interval
:param speed: frame interval control value
:type speed: :class:`float`
"""
from apng import APNG, PNG
with open_zip_blob(blob) as zf:
files = zf.namelist()
container = APNG()
for fname in files:
with Image(blob=zf.read(fname)) as frame:
container.append(
PNG.from_bytes(frame.make_blob('png')),
delay=int(frames[fname] // speed),
)
container.save(dest)
def ugoira2apng(ugoira_file, exportname):
printAndLog('info', 'processing ugoira to apng...')
temp_folder = tempfile.mkdtemp()
temp_name = temp_folder + os.sep + "temp.png"
z = zipfile.ZipFile(ugoira_file)
z.extractall(temp_folder)
filenames = os.listdir(temp_folder)
filenames.remove('animation.json')
anim_info = json.load(open(temp_folder + '/animation.json'))
files = []
for info in anim_info["frames"]:
fImage = temp_folder + os.sep + info["file"]
delay = info["delay"]
files.append((fImage, delay))
im = APNG()
for fImage, delay in files:
im.append(fImage, delay=delay)
im.save(temp_name)
shutil.move(temp_name, exportname)
printAndLog('info', 'ugoira exported to: ' + exportname)
shutil.rmtree(temp_folder)
def ugoira2apng(ugoira_file, exportname, delete_ugoira, image=None):
print_and_log('info', 'processing ugoira to apng...')
temp_folder = tempfile.mkdtemp()
temp_name = temp_folder + os.sep + "temp.png"
with zipfile.ZipFile(ugoira_file) as f:
f.extractall(temp_folder)
filenames = os.listdir(temp_folder)
filenames.remove('animation.json')
anim_info = json.load(open(temp_folder + '/animation.json'))
files = []
for info in anim_info["frames"]:
fImage = temp_folder + os.sep + info["file"]
delay = info["delay"]
files.append((fImage, delay))
im = APNG()
for fImage, delay in files:
im.append(fImage, delay=delay)
im.save(temp_name)
shutil.move(temp_name, exportname)
print_and_log('info', 'ugoira exported to: ' + exportname)
shutil.rmtree(temp_folder)
if delete_ugoira:
print_and_log('info', 'deleting ugoira {0}'.format(ugoira_file))
os.remove(ugoira_file)
# set last-modified and last-accessed timestamp
if image is not None and _config.setLastModified and exportname is not None and os.path.isfile(exportname):
ts = time.mktime(image.worksDateDateTime.timetuple())
os.utime(exportname, (ts, ts))
def main(shtfileName: str) -> None:
with open(shtfileName, 'rb') as f:
data = f.read()
(bits, rle, _mode, _direction, nFrames, _start,
_reserved) = unpack(HEADER_FORMAT, data[:HEADER_LENGTH])
nBits = int(bits[0])
isRLE = bool(rle[0])
print(
f"{shtfileName}: {nBits}-bit {'RLE' if isRLE else 'Uncompressed'} {nFrames} frames"
)
assert nBits in (8, 24)
assert not isRLE, "RLE format is not supported, use -n when generating .sht file"
startPosition = HEADER_LENGTH + (VGA_PALETTE_SIZE if nBits == 8 else 0)
pixelSize = 1 if nBits == 8 else 3
frameSize = WIDTH * HEIGHT * pixelSize
assert len(data) == startPosition + frameSize * nFrames
fileNamePrefix = shtfileName[:shtfileName.rindex('.')]
with TemporaryDirectory(prefix='rtr') as tempDir:
fileNameTemplate = join(tempDir, f'{fileNamePrefix}-%08d.png')
fileNames: List[str] = []
index = startPosition
for nFrame in range(1, nFrames + 1):
newIndex = index + frameSize
frame = data[index:newIndex]
index = newIndex
if nBits == 8:
frame = bytes(chain.from_iterable(zip(frame, frame, frame)))
surface = frombuffer(frame, (WIDTH, HEIGHT), 'RGB')
fileName = fileNameTemplate % nFrame
save(surface, fileName)
fileNames.append(fileName)
print(nFrame)
apngFileName = f'{fileNamePrefix}.png'
print(f"Creating APNG {apngFileName}...")
APNG.from_files(fileNames, delay=int(1000.0 / FPS)).save(apngFileName)
def save_frames(frame_list, scale=None):
size = tuple([L + 1 for L in max(frame_list[0])])
filename_list = []
for f in range(len(frame_list)):
frame = frame_list[f]
img = Image.new('RGB', size)
for x in range(img.size[0]):
for y in range(img.size[1]):
img.load()[x, y] = frame[x, y]
if scale:
img = img.resize(scale)
filename = 'output/frame' + str(f) + '.png'
img.save(filename)
filename_list.append(filename)
try:
APNG.from_files(filename_list, delay=100).save("output/result.png")
except:
pass
def convert_apng(
blob: bytes,
frames: FRAME_DATA_TYPE,
speed: float = 1.0,
):
"""Make APNG file from given file data and frame data.
This function must need apng library dependency.
:param blob: blob of zip file from :func:`ugoira.lib.download_ugoira_zip`
:type blob: :class:`bytes`
:param frames: mapping object of each frame's filename and interval
:param speed: frame interval control value
:type speed: :class:`float`
:return: Binary string containing generated APNG file
"""
from apng import APNG, PNG
with open_zip_blob(blob) as zf:
files = zf.namelist()
container = APNG()
for file in files:
f = io.BytesIO(zf.read(file))
container.append(
PNG.open_any(f),
delay=int(frames[file]//speed),
)
return container.to_bytes()
def creacion(dir_result,dir_data):
imgs = os.listdir(dir_data)
imgs.sort()
lista = []
for i in imgs:
lista.append(dir_data + i)
ap.from_files(lista,delay=100).save('prueba.png')
print(lista)
def _modify_apng(apng_path: Path, out_path: Path, metadata: AnimatedImageMetadata, crbundle: CriteriaBundle) -> Path:
stdio.message("Modifying APNG...")
mod_criteria = crbundle.modify_aimg_criteria
aopt_criteria = crbundle.apng_opt_criteria
apng_im: APNG = APNG.open(apng_path)
stdio.debug({"crbundle": crbundle})
# Reiterate through the frames if matching certain conditions, or per-frame lossy compression is required
if mod_criteria.apng_must_reiterate(metadata) or aopt_criteria.is_reduced_color or aopt_criteria.is_unoptimized:
stdio.debug(f"REITERATE APNG")
new_apng: APNG = APNG()
orig_width, orig_height = metadata.width["value"], metadata.height["value"]
alpha_base = Image.new("RGBA", size=(orig_width, orig_height))
unoptimized_apng_frames = InternalImageAPI.get_apng_frames(apng_im, unoptimize=True)
if mod_criteria.reverse:
unoptimized_apng_frames = reversed(list(unoptimized_apng_frames))
for index, (im, control) in enumerate(unoptimized_apng_frames):
# logger.debug(png.chunks)
delay_fraction = Fraction(1/mod_criteria.fps).limit_denominator()
# delay = int(mod_criteria.delay * 1000)
control.delay = delay_fraction.numerator
control.delay_den = delay_fraction.denominator
stdio.debug({"fr_control": control})
if mod_criteria.must_transform(metadata) or aopt_criteria.is_reduced_color or aopt_criteria.convert_color_mode\
or aopt_criteria.is_unoptimized:
# with io.BytesIO() as img_buf:
# png.save(img_buf)
# with Image.open(img_buf) as im:
# im.show()
stdio.debug({"fr_orig_size": im.size})
has_transparency = im.info.get("transparency") is not None or im.mode == "RGBA"
im = im.resize(mod_criteria.size, resample=getattr(Image, mod_criteria.resize_method))
im = im.transpose(Image.FLIP_LEFT_RIGHT) if mod_criteria.flip_x else im
im = im.transpose(Image.FLIP_TOP_BOTTOM) if mod_criteria.flip_y else im
if im.mode == "P":
if has_transparency:
im = im.convert("RGBA")
else:
im = im.convert("RGB")
quant_method = Image.FASTOCTREE if has_transparency else Image.MEDIANCUT
if aopt_criteria.is_reduced_color:
im = im.quantize(
aopt_criteria.color_count, method=quant_method, dither=1).convert("RGBA")
if aopt_criteria.convert_color_mode:
im = im.convert(aopt_criteria.new_color_mode)
with io.BytesIO() as new_buf:
im.save(new_buf, "PNG")
new_apng.append(PNG.from_bytes(new_buf.getvalue()), delay=delay_fraction.numerator,
delay_den=delay_fraction.denominator)
stdio.debug(f"NEW FRAMES COUNT: {len(new_apng.frames)}")
if len(new_apng.frames) > 0:
apng_im = new_apng
apng_im.num_plays = mod_criteria.loop_count
apng_im.save(out_path)
if aopt_criteria.is_optimized:
stdio.message(f"Optimizing APNG...")
APNGOptAPI.optimize_apng(out_path, out_path, aopt_criteria)
return out_path
def handle_video(video_url, event, device):
temp_dir = tempfile.mkdtemp()
img_full_dir = os.path.join(temp_dir, "full")
img_thumb_dir = os.path.join(temp_dir, "thumb")
result_thumb_png = os.path.join(img_thumb_dir, "result.png")
os.mkdir(img_full_dir)
os.mkdir(img_thumb_dir)
logger.info("Processing video for device {}...".format(device))
try:
video_file = fetch_video(video_url, temp_dir)
video = cv2.VideoCapture(video_file)
except Exception as e:
logger.exception(e)
return
try:
process_motion(video, img_full_dir)
image_full_files = [os.path.join(img_full_dir, f) for f in
os.listdir(img_full_dir)]
image_full_files.sort()
if not image_full_files:
logger.warning("Found no motion in video {}...".format(video_url))
return
# Now, resize the captured frames
image_thumb_files = []
for f in image_full_files:
thumb_file = os.path.join(img_thumb_dir, os.path.basename(f))
image = Image.open(f)
image.thumbnail((350, 350), Image.ANTIALIAS)
image.save(thumb_file, 'PNG')
image_thumb_files.append(thumb_file)
# Build some animated Gifs
APNG.from_files(image_thumb_files, delay=500).save(result_thumb_png)
# Upload to S3
key = uuid.uuid4().hex
thumb_url = upload_thumb_to_s3(result_thumb_png, "thumb", key, "image/png")
video_url = upload_thumb_to_s3(video_file, "vid", key, "video/mp4")
# Now, post to slack
created_at_local = utc_to_local(event['created_at'])
post_to_slack("Motion detected by *{}* at *{}*".format(
device.name, created_at_local.ctime()),
"Full Video",
video_url,
thumb_url)
except Exception as e:
logger.exception(e)
finally:
shutil.rmtree(temp_dir)
video.release()
def create_b64_apng(frames, fps):
pngs = [
PNG.from_bytes(cv2.imencode('.png', img)[1].tobytes())
for img in frames
]
apng = APNG()
for i in pngs:
apng.append(i, delay=1000 // fps)
return base64.b64encode(apng.to_bytes()).decode('utf-8')
def renderer(box):
image = images[box.children[0].value]
frame_num = box.children[1].value
fraction = [[],[],[]]
k = 2
for j in range(3):
for qubit in range(n):
fraction[j].append( box.children[k].value)
k += 1
state = image2state(image,grid)
bar = widgets.IntProgress(value=0,max=frame_num,step=1,description='Rendering:')
display(bar)
backend = Aer.get_backend('statevector_simulator')
q = QuantumRegister(n)
filenames = []
for f in range(frame_num):
circuits = []
for j in range(3):
qc = QuantumCircuit(q)
qc.initialize(state[j],q)
for qubit in range(n):
qc.ry(2*np.pi*fraction[j][qubit]*f/frame_num,q[qubit])
circuits.append( qc )
job = execute(circuits, backend, shots=1)
counts = []
for j in range(3):
counts.append( ket2counts( job.result().get_statevector(circuits[j]) ) )
frame = counts2image(counts,grid)
bar.value = f+1
filename = 'outputs/temp_'+str(f)+'.png'
save_image( counts2image(counts,grid), scale=[300,300], filename=filename)
filenames.append( filename )
bar.close()
t = time.localtime()
animation = 'outputs/'+box.children[0].value.replace(' ','_')+'_'+str(t.tm_year)+'_'+str(t.tm_mon)+'_'+str(t.tm_mday)+'@'+str(t.tm_hour)+':'+str(t.tm_min)+':'+str(t.tm_sec)+'.png'
APNG.from_files(filenames,delay=250).save( animation )
for filename in filenames:
os.remove(filename)
return animation
def crear(entrada, retardo, salida):
try:
with open(entrada) as archivo:
lista = []
for linea in archivo:
lista.append(linea[:-1])
except IndexError:
sys.stdout.write("No se encuentra el archivo:\n")
retarto = retardo * 100
APNG.from_files(lista, delay=retardo).save(salida + ".png")
def _split_apng(apng_path: Path, out_dir: Path, name: str,
criteria: SplitCriteria) -> List[Path]:
"""Extracts all of the frames of an animated PNG into a folder
Args:
apng_path (Path): Path to the APNG.
out_dir (Path): Path to the output directory.
name (str): New prefix name of the sequence.
criteria (SplitCriteria): Splitting criteria to follow.
Returns:
List[Path]: List of paths for every split image.
"""
frame_paths = []
apng = APNG.open(apng_path)
apng_frames = InternalImageAPI.get_apng_frames(apng,
criteria.is_unoptimized)
# frames = _fragment_apng_frames(apng_path, criteria)
pad_count = criteria.pad_count
shout_nums = imageutils.shout_indices(len(apng.frames), 5)
save_name = criteria.new_name or name
for index, (fr, control) in enumerate(apng_frames):
if shout_nums.get(index):
stdio.message(f"Saving split frames... ({shout_nums.get(index)})")
save_path = out_dir.joinpath(
f"{save_name}_{str.zfill(str(index), pad_count)}.png")
fr.save(save_path, format="PNG")
frame_paths.append(save_path)
if criteria.extract_delay_info:
stdio.message("Generating delay information file...")
imageutils.generate_delay_file(apng_path, "PNG", out_dir)
return frame_paths
def extraer(imagen):
anim = APNG.open(imagen)
cont = 1
for png, control in anim.frames:
png.save('img-{cont}.png'.format(cont=cont))
cont += 1
def upload_image_aws(data, uuidOverwrite='none'):
"""
Uploads data to aws
"""
fileData = data['file']
fps = data['grid']['fps']
uni = str(uuid.uuid4())
if uuidOverwrite != 'none':
uni = uuidOverwrite
unique_filename = uni + '.png'
unique_filename_gif = uni + '.gif'
dirpath = tempfile.mkdtemp()
path_to_data = dirpath
filenames = []
for i in range(0, len(fileData)):
abs_file_path = os.path.join(path_to_data, 'img' + str(i) + '.png')
filenames.append(abs_file_path)
imgdata = base64.b64decode(fileData[i])
with open(abs_file_path, 'wb') as f:
f.write(imgdata)
images = []
for filename in filenames:
images.append(imageio.imread(filename))
filePlace = os.path.join(path_to_data, unique_filename)
APNG.from_files(filenames, delay=math.floor(1000./fps)).save(filePlace)
s3.upload_file(
Bucket = BUCKET_NAME,
Filename=filePlace,
Key = 'app-content/'+unique_filename
)
imageio.mimsave(filePlace, images, 'GIF', duration = (1./fps))
s3.upload_file(
Bucket = BUCKET_NAME,
Filename=filePlace,
Key = 'app-content/'+unique_filename_gif
)
shutil.rmtree(dirpath)
return uni
def apng_png(s=''):
x = APNG.open(s)
for i in range(len(x.frames)):
tmp = x.frames[i][0].to_bytes()
fn = s[:-4] + '_%3d.png' % i
w = open(fn, 'wb')
w.write(tmp)
w.close()
def save_animation(func,
params,
canvas,
filename='animation.png',
duration=0.2):
path = tempfile.mkdtemp()
images = []
for k, p in enumerate(params):
func(p)
image = canvas.canvas.bitmap.ConvertToImage()
fname = os.path.join(path, 'frame_' + str(k) + '.png')
image.SaveFile(fname, wx.BITMAP_TYPE_PNG)
images.append(fname)
from apng import APNG
APNG.from_files(images, delay=int(duration)).save(filename)
shutil.rmtree(path)
def get_apng_duration(file):
img = APNG.open(file)
dur = 0
for frame, frame_info in img.frames:
if frame_info:
dur += frame_info.delay * 10 # convert delay from centiseconds to milliseconds
return dur
def loop_apng(filename):
if 'noloop' in filename:
return
image = apng.open(filename) # open
if len(image.frames) < 2: # check that it is an apng
return
image.num_plays = 0 # make it loop and hold the last frame longer
image.frames[-1][1].delay = 8 * image.frames[0][1].delay
image.save(filename)
def load_apng(
file
): # this one was hell to implement compared to the three funcs below
img = APNG.open(file)
frames = []
pilframes = []
dispose_op = 0
width, height = img.frames[0][0].width, img.frames[0][0].height
outputbuf = Image.new("RGBA", (width, height), (255, 255, 255, 0))
prev_frame = None
for frame, frame_info in img.frames:
i = img.frames.index((frame, frame_info))
pilframe = Image.open(io.BytesIO(frame.to_bytes())).convert("RGBA")
#print str(i)+"\t"+disposes[dispose_op]+"\t\t"+blends[frame_info.blend_op]
if dispose_op == APNG_DISPOSE_OP_BACKGROUND or (
i == 0 and dispose_op == APNG_DISPOSE_OP_PREVIOUS):
prev_frame = outputbuf.copy()
emptyrect = Image.new(
"RGBA",
(img.frames[i - 1][0].width, img.frames[i - 1][0].height),
(255, 255, 255, 0))
outputbuf.paste(
emptyrect,
(img.frames[i - 1][1].x_offset, img.frames[i - 1][1].y_offset))
elif dispose_op == APNG_DISPOSE_OP_PREVIOUS:
outputbuf = prev_frame.copy()
else:
prev_frame = outputbuf.copy()
if frame_info:
outputbuf.paste(
pilframe, (frame_info.x_offset, frame_info.y_offset),
pilframe.convert("RGBA")
if frame_info.blend_op == APNG_BLEND_OP_OVER else None)
else:
outputbuf.paste(pilframe, (0, 0))
final_frame = outputbuf.copy()
pilframes.append(final_frame)
if frame_info:
frames.append([
final_frame.toqimage(), frame_info.delay * 10
]) # convert delay from centiseconds to milliseconds
dispose_op = frame_info.depose_op
else:
frames.append([final_frame.toqimage(), 0])
for frame in pilframes:
frame.close()
return frames
def test_disassemble(self):
for dir in pathlib.Path("test").iterdir():
with self.subTest(dir.stem):
im = APNG.open(dir.joinpath("animated.png"))
for i, (png, ctrl) in enumerate(im.frames):
filename = "{}-{}.png".format(dir.stem, i + 1)
png.save(pathlib.Path("build").joinpath(filename))
subprocess.run(
["pngcheck", filename],
cwd="build", shell=True, check=True)
def save_images(train=True):
im = APNG.open(
f"../results/baseline/{'anim_train' if train else 'anim_test'}.png")
for offset in range(2):
im1 = np.concatenate((
np.array(
Image.open(io.BytesIO(
im.frames[0 + offset * 21][0].to_bytes())))[:68, :68, :],
np.array(
Image.open(io.BytesIO(
im.frames[6 + offset * 21][0].to_bytes())))[:68, :68, :],
np.array(
Image.open(
io.BytesIO(
im.frames[12 +
offset * 21][0].to_bytes())))[:68, :68, :],
np.array(
Image.open(
io.BytesIO(
im.frames[18 +
offset * 21][0].to_bytes())))[:68, :68, :],
),
axis=1)
im2 = np.concatenate((
np.array(
Image.open(io.BytesIO(
im.frames[0 + offset * 21][0].to_bytes())))[:68,
68:136, :],
np.array(
Image.open(io.BytesIO(
im.frames[6 + offset * 21][0].to_bytes())))[:68,
68:136, :],
np.array(
Image.open(
io.BytesIO(
im.frames[12 +
offset * 21][0].to_bytes())))[:68,
68:136, :],
np.array(
Image.open(
io.BytesIO(
im.frames[18 +
offset * 21][0].to_bytes())))[:68,
68:136, :],
),
axis=1)
imageio.imsave(
f"../results/baseline/{'train' if train else 'test'}_x_{offset}.png",
im1)
imageio.imsave(
f"../results/baseline/{'train' if train else 'test'}_g_{offset}.png",
im2)
def deapng(self, apngfile):
pngs = [] #圖片陣列變數
apng = APNG.open(os.path.abspath(apngfile)) #開啟 APNG 圖片，用APNG套件開啟
self.tf = tempfile.mkdtemp('_APNG2GIF_images')
for i, (png, control) in enumerate(apng.frames):
png.save(f"{self.tf}/{i}.png") #保存 png 檔
if self.filesize(f'{self.tf}/{i}.png') < 1024:
pngs.append(pngs[-2:])
else:
pngs.append(f'{self.tf}/{i}.png')
pngs = list(self.flat(pngs))
return pngs
def test_assemble(self):
def iter_frames(dir_):
frames = {}
for file in dir_.glob("frame-*"):
if file.stem not in frames:
frames[file.stem] = {"name": file.stem}
frames[file.stem][file.suffix] = file
for frame in sorted(frames.values(), key=lambda i: int(i["name"].partition("-")[-1])):
if ".json" in frame:
ctrl = json.loads(frame[".json"].read_text())
else:
ctrl = {}
yield frame[".png"], ctrl
for dir_ in pathlib.Path("test/fixtures").iterdir():
with self.subTest("dir: {}".format(dir_.name)):
try:
options = json.loads(dir_.joinpath("property.json").read_text())
except IOError:
options = {}
im = APNG(**options)
for file, ctrl in iter_frames(dir_):
im.append_file(file, **ctrl)
filename = "{}-animated.png".format(dir_.stem)
im.save(pathlib.Path("build").joinpath(filename))
subprocess.run(
"pngcheck {}".format(filename),
cwd="build", shell=True, check=True
)
def test_assemble(tmp_path, fixture):
try:
options = json.loads((fixture / "property.json").read_text())
except IOError:
options = {}
im = APNG(**options)
def iter_frames():
frames = {}
for file in fixture.glob("frame-*"):
if file.stem not in frames:
frames[file.stem] = {"name": file.stem}
frames[file.stem][file.suffix] = file
for frame in sorted(frames.values(), key=lambda i: int(i["name"].partition("-")[-1])):
if ".json" in frame:
ctrl = json.loads(frame[".json"].read_text())
else:
ctrl = {}
yield frame[".png"], ctrl
for file, ctrl in iter_frames():
im.append_file(file, **ctrl)
if not im.frames:
return
filename = "{}-animated.png".format(fixture.stem)
im.save(tmp_path / filename)
subprocess.check_call(
subprocess.list2cmdline(["pngcheck", filename]),
cwd=str(tmp_path), shell=True)
def ugoira2apng(ugoira_file, exportname, delete_ugoira, image=None):
print_and_log('info', 'processing ugoira to apng...')
temp_folder = tempfile.mkdtemp()
temp_name = temp_folder + os.sep + "temp.png"
with zipfile.ZipFile(ugoira_file) as f:
f.extractall(temp_folder)
filenames = os.listdir(temp_folder)
filenames.remove('animation.json')
anim_info = json.load(open(temp_folder + '/animation.json'))
files = []
for info in anim_info["frames"]:
fImage = temp_folder + os.sep + info["file"]
delay = info["delay"]
files.append((fImage, delay))
im = APNG()
for fImage, delay in files:
im.append_file(fImage, delay=delay)
im.save(temp_name)
shutil.move(temp_name, exportname)
print_and_log('info', 'ugoira exported to: ' + exportname)
shutil.rmtree(temp_folder)
if delete_ugoira:
print_and_log('info', 'deleting ugoira {0}'.format(ugoira_file))
os.remove(ugoira_file)
# set last-modified and last-accessed timestamp
if image is not None and _config.setLastModified and exportname is not None and os.path.isfile(
exportname):
ts = time.mktime(image.worksDateDateTime.timetuple())
os.utime(exportname, (ts, ts))
def test_assemble(self):
def iter_frames(dir):
frames = {}
for file in dir.glob("frame-*"):
if file.stem not in frames:
frames[file.stem] = {"name": file.stem}
frames[file.stem][file.suffix] = file
for frame in sorted(frames.values(), key=lambda i: int(i["name"].partition("-")[-1])):
if ".json" in frame:
ctrl = json.loads(frame[".json"].read_text())
else:
ctrl = {}
yield frame[".png"], ctrl
for dir in pathlib.Path("test").iterdir():
with self.subTest("dir: {}".format(dir.name)):
im = APNG()
for png, ctrl in iter_frames(dir):
im.append(png, **ctrl)
filename = "{}-animated.png".format(dir.stem)
im.save(pathlib.Path("build").joinpath(filename))
subprocess.run(
["pngcheck", filename],
cwd="build", shell=True, check=True
)
def ugoira2apng(ugoira_file, exportname, delete_ugoira):
print_and_log('info', 'processing ugoira to apng...')
temp_folder = tempfile.mkdtemp()
temp_name = temp_folder + os.sep + "temp.png"
with zipfile.ZipFile(ugoira_file) as f:
f.extractall(temp_folder)
filenames = os.listdir(temp_folder)
filenames.remove('animation.json')
anim_info = json.load(open(temp_folder + '/animation.json'))
files = []
for info in anim_info["frames"]:
fImage = temp_folder + os.sep + info["file"]
delay = info["delay"]
files.append((fImage, delay))
im = APNG()
for fImage, delay in files:
im.append(fImage, delay=delay)
im.save(temp_name)
shutil.move(temp_name, exportname)
print_and_log('info', 'ugoira exported to: ' + exportname)
shutil.rmtree(temp_folder)
if delete_ugoira:
print_and_log('info', 'deleting ugoira {0}'.format(ugoira_file))
os.remove(ugoira_file)
def process_apng(path=''):
""" Processes apng and saves individual frames to png
Parameters
----------
path : str
Path to input apng to process
Returns
-------
"""
im = APNG.open(path)
for i, (png, control) in enumerate(im.frames):
png.save('./gif/frame{:05d}.png'.format(i))
def cov2apng(self, uri, plist, dlist):
try:
im = APNG()
for i in range(len(plist)):
im.append_file(plist[i], delay=dlist[i])
im.save(uri)
except:
return False
return True
def test_disassemble(tmp_path, fixture):
im = APNG.open(fixture / "animated.png")
options_file = fixture / "property.json"
if options_file.exists():
options = json.loads(options_file.read_text())
for key, value in options.items():
assert getattr(im, key) == value
for i, (png, _ctrl) in enumerate(im.frames):
filename = "{}-{}.png".format(fixture.stem, i + 1)
png.save(tmp_path / filename)
subprocess.check_call(
subprocess.list2cmdline(["pngcheck", filename]),
cwd=str(tmp_path), shell=True)
def test_disassemble(self):
for dir_ in pathlib.Path("test/fixtures").iterdir():
with self.subTest(dir_.stem):
im = APNG.open(dir_.joinpath("animated.png"))
options_file = dir_.joinpath("property.json")
if options_file.exists():
options = json.loads(options_file.read_text())
for key, value in options.items():
assert getattr(im, key) == value
for i, (png, _ctrl) in enumerate(im.frames):
filename = "{}-{}.png".format(dir_.stem, i + 1)
png.save(pathlib.Path("build").joinpath(filename))
subprocess.run(
"pngcheck {}".format(filename),
cwd="build", shell=True, check=True)
