mirror of
https://github.com/OpenVGLab/OmniLottie.git
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90 lines
3.0 KiB
Python
90 lines
3.0 KiB
Python
import json
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import string
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import zipfile
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from .base import exporter
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from ..parsers.baseporter import ExtraOption
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from ..parsers.tgs import parse_tgs
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from lottie import __version__
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from ..objects import assets
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@exporter("dotLottie Archive", ["lottie"], [
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ExtraOption("id", help="ID of the animation", default=None),
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ExtraOption("append", help="Append animation to existing archive", action="store_true"),
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ExtraOption("revision", help="File revision", type=int, default=None),
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ExtraOption("author", help="File author", default=None),
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ExtraOption("speed", help="Playback speed", type=float, default=1),
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ExtraOption("theme_color", help="Theme color", type=str, default="#ffffff"),
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ExtraOption("no_loop", help="Disable Looping", action="store_false", dest="loop"),
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ExtraOption("no_pack", help="Don't auto-pack images", action="store_false", dest="pack_images"),
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], slug="dotlottie")
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def export_dotlottie(animation, file, id=None, append=False, revision=None, author=None,
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speed=1.0, theme_color="#ffffff", loop=True, pack_images=True):
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files = {}
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if append:
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with zipfile.ZipFile(file, "r") as zf:
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with zf.open("manifest.json") as manifest:
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meta = json.load(manifest)
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for name in zf.namelist():
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if name != "manifest.json":
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files[name] = zf.read(name)
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else:
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meta = {
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"generator": "Python Lottie " + __version__,
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"version": 1.0,
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"revision": 1,
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"author": "",
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"animations": [],
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"custom": {}
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}
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if revision is not None:
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meta["revision"] = revision
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if author is not None:
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meta["author"] = author
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if id is None:
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if animation.name:
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idok = string.ascii_letters + string.digits + "_-"
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id = "".join(filter(lambda x: x in idok, animation.name.replace(" ", "_")))
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if not id:
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id = "animation_%s" % len(meta["animations"])
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meta["animations"].append({
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"id": id,
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"speed": speed,
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"themeColor": theme_color,
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"loop": loop,
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})
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if pack_images and animation.assets:
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animation = animation.clone()
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image_no = 0
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for asset in animation.assets:
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if isinstance(asset, assets.Image):
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ext, data = asset.image_data()
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if not ext:
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continue
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pathname = "images/"
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while True:
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basename = "image_%s.%s" % (image_no, ext)
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image_no += 1
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if pathname+basename not in files:
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break
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files[pathname+basename] = data
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asset.image_path = pathname
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asset.image = basename
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asset.is_embedded = False
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files["manifest.json"] = json.dumps(meta)
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files["animations/%s.json" % id] = json.dumps(animation.to_dict())
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with zipfile.ZipFile(file, "w") as zf:
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for name, data in files.items():
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zf.writestr(name, data)
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