3b1b-manim/stage_scenes.py

50 lines
No EOL
1.4 KiB
Python

import sys
import inspect
import os
import shutil
import itertools as it
from extract_scene import is_scene, get_module
from constants import ANIMATIONS_DIR, STAGED_SCENES_DIR
def get_sorted_scene_names(module_name):
module = get_module(module_name)
line_to_scene = {}
for name, scene_class in inspect.getmembers(module, is_scene):
lines, line_no = inspect.getsourcelines(scene_class)
line_to_scene[line_no] = name
return [
line_to_scene[line_no]
for line_no in sorted(line_to_scene.keys())
]
def stage_animaions(module_name):
scene_names = get_sorted_scene_names(module_name)
animation_dir = os.path.join(
ANIMATIONS_DIR, module_name.replace(".py", "")
)
files = os.listdir(animation_dir)
sorted_files = []
for scene in scene_names:
for clip in filter(lambda f : f.startswith(scene), files):
sorted_files.append(
os.path.join(animation_dir, clip)
)
for f in os.listdir(STAGED_SCENES_DIR):
os.remove(os.path.join(STAGED_SCENES_DIR, f))
for f, count in zip(sorted_files, it.count()):
symlink_name = os.path.join(
STAGED_SCENES_DIR,
"Scene_%03d"%count + f.split(os.sep)[-1]
)
os.symlink(f, symlink_name)
if __name__ == "__main__":
if len(sys.argv) < 2:
raise Exception("No module given.")
module_name = sys.argv[1]
stage_animaions(module_name)