mirror of
https://github.com/3b1b/manim.git
synced 2025-04-13 09:47:07 +00:00
141 lines
4.1 KiB
Python
141 lines
4.1 KiB
Python
import importlib
|
|
import inspect
|
|
import itertools as it
|
|
import os
|
|
import subprocess as sp
|
|
import sys
|
|
import traceback
|
|
|
|
from manimlib.scene.scene import Scene
|
|
from manimlib.utils.sounds import play_error_sound
|
|
from manimlib.utils.sounds import play_finish_sound
|
|
import manimlib.constants
|
|
|
|
|
|
def handle_scene(scene, **config):
|
|
import platform
|
|
if config["quiet"]:
|
|
curr_stdout = sys.stdout
|
|
sys.stdout = open(os.devnull, "w")
|
|
|
|
if config["show_last_frame"]:
|
|
scene.save_image(mode=config["saved_image_mode"])
|
|
open_file = any([
|
|
config["show_last_frame"],
|
|
config["open_video_upon_completion"],
|
|
config["show_file_in_finder"]
|
|
])
|
|
if open_file:
|
|
commands = ["open"]
|
|
if (platform.system() == "Linux"):
|
|
commands = ["xdg-open"]
|
|
elif (platform.system() == "Windows"):
|
|
commands = ["start"]
|
|
|
|
if config["show_file_in_finder"]:
|
|
commands.append("-R")
|
|
|
|
if config["show_last_frame"]:
|
|
commands.append(scene.get_image_file_path())
|
|
else:
|
|
commands.append(scene.get_movie_file_path())
|
|
# commands.append("-g")
|
|
FNULL = open(os.devnull, 'w')
|
|
sp.call(commands, stdout=FNULL, stderr=sp.STDOUT)
|
|
FNULL.close()
|
|
|
|
if config["quiet"]:
|
|
sys.stdout.close()
|
|
sys.stdout = curr_stdout
|
|
|
|
|
|
def is_scene(obj):
|
|
if not inspect.isclass(obj):
|
|
return False
|
|
if not issubclass(obj, Scene):
|
|
return False
|
|
if obj == Scene:
|
|
return False
|
|
return True
|
|
|
|
|
|
def prompt_user_for_choice(name_to_obj):
|
|
num_to_name = {}
|
|
names = sorted(name_to_obj.keys())
|
|
for count, name in zip(it.count(1), names):
|
|
print("%d: %s" % (count, name))
|
|
num_to_name[count] = name
|
|
try:
|
|
user_input = input(manimlib.constants.CHOOSE_NUMBER_MESSAGE)
|
|
return [
|
|
name_to_obj[num_to_name[int(num_str)]]
|
|
for num_str in user_input.split(",")
|
|
]
|
|
except KeyError:
|
|
print(manimlib.constants.INVALID_NUMBER_MESSAGE)
|
|
sys.exit()
|
|
user_input = input(manimlib.constants.CHOOSE_NUMBER_MESSAGE)
|
|
return [
|
|
name_to_obj[num_to_name[int(num_str)]]
|
|
for num_str in user_input.split(",")
|
|
]
|
|
|
|
|
|
def get_scene_classes(scene_names_to_classes, config):
|
|
if len(scene_names_to_classes) == 0:
|
|
print(manimlib.constants.NO_SCENE_MESSAGE)
|
|
return []
|
|
if len(scene_names_to_classes) == 1:
|
|
return list(scene_names_to_classes.values())
|
|
if config["scene_name"] in scene_names_to_classes:
|
|
return [scene_names_to_classes[config["scene_name"]]]
|
|
if config["scene_name"] != "":
|
|
print(manimlib.constants.SCENE_NOT_FOUND_MESSAGE)
|
|
return []
|
|
if config["write_all"]:
|
|
return list(scene_names_to_classes.values())
|
|
return prompt_user_for_choice(scene_names_to_classes)
|
|
|
|
|
|
def get_module(file_name):
|
|
module_name = file_name.replace(".py", "").replace(os.sep, ".")
|
|
return importlib.import_module(module_name)
|
|
|
|
|
|
def main(config):
|
|
module = get_module(config["file"])
|
|
scene_names_to_classes = dict(inspect.getmembers(module, is_scene))
|
|
|
|
scene_kwargs = dict([
|
|
(key, config[key])
|
|
for key in [
|
|
"camera_config",
|
|
"frame_duration",
|
|
"skip_animations",
|
|
"write_to_movie",
|
|
"save_pngs",
|
|
"movie_file_extension",
|
|
"start_at_animation_number",
|
|
"end_at_animation_number",
|
|
]
|
|
])
|
|
|
|
scene_kwargs["name"] = config["output_name"]
|
|
if config["save_pngs"]:
|
|
print("We are going to save a PNG sequence as well...")
|
|
scene_kwargs["save_pngs"] = True
|
|
scene_kwargs["pngs_mode"] = config["saved_image_mode"]
|
|
|
|
for SceneClass in get_scene_classes(scene_names_to_classes, config):
|
|
try:
|
|
handle_scene(SceneClass(**scene_kwargs), **config)
|
|
play_finish_sound()
|
|
except Exception:
|
|
print("\n\n")
|
|
traceback.print_exc()
|
|
print("\n\n")
|
|
play_error_sound()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|