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MoneyPrinterTurbo/app/services/task.py

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import math
import os.path
import re
from os import path
from loguru import logger
from app.config import config
from app.models import const
from app.models.schema import VideoConcatMode, VideoParams
from app.services import llm, material, subtitle, video, voice
from app.services import state as sm
from app.utils import utils
def generate_script(task_id, params):
logger.info("\n\n## generating video script")
video_script = params.video_script.strip()
if not video_script:
video_script = llm.generate_script(
video_subject=params.video_subject,
language=params.video_language,
paragraph_number=params.paragraph_number,
)
else:
logger.debug(f"video script: \n{video_script}")
if not video_script:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
logger.error("failed to generate video script.")
return None
return video_script
def generate_terms(task_id, params, video_script):
logger.info("\n\n## generating video terms")
video_terms = params.video_terms
if not video_terms:
video_terms = llm.generate_terms(
video_subject=params.video_subject, video_script=video_script, amount=5
)
else:
if isinstance(video_terms, str):
video_terms = [term.strip() for term in re.split(r"[,]", video_terms)]
elif isinstance(video_terms, list):
video_terms = [term.strip() for term in video_terms]
else:
raise ValueError("video_terms must be a string or a list of strings.")
logger.debug(f"video terms: {utils.to_json(video_terms)}")
if not video_terms:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
logger.error("failed to generate video terms.")
return None
return video_terms
def save_script_data(task_id, video_script, video_terms, params):
script_file = path.join(utils.task_dir(task_id), "script.json")
script_data = {
"script": video_script,
"search_terms": video_terms,
"params": params,
}
with open(script_file, "w", encoding="utf-8") as f:
f.write(utils.to_json(script_data))
def generate_audio(task_id, params, video_script):
logger.info("\n\n## generating audio")
audio_file = path.join(utils.task_dir(task_id), "audio.mp3")
sub_maker = voice.tts(
text=video_script,
voice_name=voice.parse_voice_name(params.voice_name),
voice_rate=params.voice_rate,
voice_file=audio_file,
)
if sub_maker is None:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
logger.error(
"""failed to generate audio:
1. check if the language of the voice matches the language of the video script.
2. check if the network is available. If you are in China, it is recommended to use a VPN and enable the global traffic mode.
""".strip()
)
return None, None, None
audio_duration = math.ceil(voice.get_audio_duration(sub_maker))
return audio_file, audio_duration, sub_maker
def generate_subtitle(task_id, params, video_script, sub_maker, audio_file):
if not params.subtitle_enabled:
return ""
subtitle_path = path.join(utils.task_dir(task_id), "subtitle.srt")
subtitle_provider = config.app.get("subtitle_provider", "edge").strip().lower()
logger.info(f"\n\n## generating subtitle, provider: {subtitle_provider}")
subtitle_fallback = False
if subtitle_provider == "edge":
voice.create_subtitle(
text=video_script, sub_maker=sub_maker, subtitle_file=subtitle_path
)
if not os.path.exists(subtitle_path):
subtitle_fallback = True
logger.warning("subtitle file not found, fallback to whisper")
if subtitle_provider == "whisper" or subtitle_fallback:
subtitle.create(audio_file=audio_file, subtitle_file=subtitle_path)
logger.info("\n\n## correcting subtitle")
subtitle.correct(subtitle_file=subtitle_path, video_script=video_script)
subtitle_lines = subtitle.file_to_subtitles(subtitle_path)
if not subtitle_lines:
logger.warning(f"subtitle file is invalid: {subtitle_path}")
return ""
return subtitle_path
def get_video_materials(task_id, params, video_terms, audio_duration):
if params.video_source == "local":
logger.info("\n\n## preprocess local materials")
materials = video.preprocess_video(
materials=params.video_materials, clip_duration=params.video_clip_duration
)
if not materials:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
logger.error(
"no valid materials found, please check the materials and try again."
)
return None
return [material_info.url for material_info in materials]
else:
logger.info(f"\n\n## downloading videos from {params.video_source}")
downloaded_videos = material.download_videos(
task_id=task_id,
search_terms=video_terms,
source=params.video_source,
video_aspect=params.video_aspect,
video_contact_mode=params.video_concat_mode,
audio_duration=audio_duration * params.video_count,
max_clip_duration=params.video_clip_duration,
)
if not downloaded_videos:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
logger.error(
"failed to download videos, maybe the network is not available. if you are in China, please use a VPN."
)
return None
return downloaded_videos
def generate_final_videos(
task_id, params, downloaded_videos, audio_file, subtitle_path
):
final_video_paths = []
combined_video_paths = []
video_concat_mode = (
params.video_concat_mode if params.video_count == 1 else VideoConcatMode.random
)
video_transition_mode = params.video_transition_mode
_progress = 50
for i in range(params.video_count):
index = i + 1
combined_video_path = path.join(
utils.task_dir(task_id), f"combined-{index}.mp4"
)
logger.info(f"\n\n## combining video: {index} => {combined_video_path}")
video.combine_videos(
combined_video_path=combined_video_path,
video_paths=downloaded_videos,
audio_file=audio_file,
video_aspect=params.video_aspect,
video_concat_mode=video_concat_mode,
video_transition_mode=video_transition_mode,
max_clip_duration=params.video_clip_duration,
threads=params.n_threads,
)
_progress += 50 / params.video_count / 2
sm.state.update_task(task_id, progress=_progress)
final_video_path = path.join(utils.task_dir(task_id), f"final-{index}.mp4")
logger.info(f"\n\n## generating video: {index} => {final_video_path}")
video.generate_video(
video_path=combined_video_path,
audio_path=audio_file,
subtitle_path=subtitle_path,
output_file=final_video_path,
params=params,
)
_progress += 50 / params.video_count / 2
sm.state.update_task(task_id, progress=_progress)
final_video_paths.append(final_video_path)
combined_video_paths.append(combined_video_path)
return final_video_paths, combined_video_paths
def start(task_id, params: VideoParams, stop_at: str = "video"):
logger.info(f"start task: {task_id}, stop_at: {stop_at}")
sm.state.update_task(task_id, state=const.TASK_STATE_PROCESSING, progress=5)
if type(params.video_concat_mode) is str:
params.video_concat_mode = VideoConcatMode(params.video_concat_mode)
# 1. Generate script
video_script = generate_script(task_id, params)
if not video_script or "Error: " in video_script:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
return
sm.state.update_task(task_id, state=const.TASK_STATE_PROCESSING, progress=10)
if stop_at == "script":
sm.state.update_task(
task_id, state=const.TASK_STATE_COMPLETE, progress=100, script=video_script
)
return {"script": video_script}
# 2. Generate terms
video_terms = ""
if params.video_source != "local":
video_terms = generate_terms(task_id, params, video_script)
if not video_terms:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
return
save_script_data(task_id, video_script, video_terms, params)
if stop_at == "terms":
sm.state.update_task(
task_id, state=const.TASK_STATE_COMPLETE, progress=100, terms=video_terms
)
return {"script": video_script, "terms": video_terms}
sm.state.update_task(task_id, state=const.TASK_STATE_PROCESSING, progress=20)
# 3. Generate audio
audio_file, audio_duration, sub_maker = generate_audio(
task_id, params, video_script
)
if not audio_file:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
return
sm.state.update_task(task_id, state=const.TASK_STATE_PROCESSING, progress=30)
if stop_at == "audio":
sm.state.update_task(
task_id,
state=const.TASK_STATE_COMPLETE,
progress=100,
audio_file=audio_file,
)
return {"audio_file": audio_file, "audio_duration": audio_duration}
# 4. Generate subtitle
subtitle_path = generate_subtitle(
task_id, params, video_script, sub_maker, audio_file
)
if stop_at == "subtitle":
sm.state.update_task(
task_id,
state=const.TASK_STATE_COMPLETE,
progress=100,
subtitle_path=subtitle_path,
)
return {"subtitle_path": subtitle_path}
sm.state.update_task(task_id, state=const.TASK_STATE_PROCESSING, progress=40)
# 5. Get video materials
downloaded_videos = get_video_materials(
task_id, params, video_terms, audio_duration
)
if not downloaded_videos:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
return
if stop_at == "materials":
sm.state.update_task(
task_id,
state=const.TASK_STATE_COMPLETE,
progress=100,
materials=downloaded_videos,
)
return {"materials": downloaded_videos}
sm.state.update_task(task_id, state=const.TASK_STATE_PROCESSING, progress=50)
# 6. Generate final videos
final_video_paths, combined_video_paths = generate_final_videos(
task_id, params, downloaded_videos, audio_file, subtitle_path
)
if not final_video_paths:
sm.state.update_task(task_id, state=const.TASK_STATE_FAILED)
return
logger.success(
f"task {task_id} finished, generated {len(final_video_paths)} videos."
)
kwargs = {
"videos": final_video_paths,
"combined_videos": combined_video_paths,
"script": video_script,
"terms": video_terms,
"audio_file": audio_file,
"audio_duration": audio_duration,
"subtitle_path": subtitle_path,
"materials": downloaded_videos,
}
sm.state.update_task(
task_id, state=const.TASK_STATE_COMPLETE, progress=100, **kwargs
)
return kwargs
if __name__ == "__main__":
task_id = "task_id"
params = VideoParams(
video_subject="金钱的作用",
voice_name="zh-CN-XiaoyiNeural-Female",
voice_rate=1.0,
)
start(task_id, params, stop_at="video")