Files
HeurAMS/src/heurams/interface/screens/precache.py
2025-12-10 13:13:37 +08:00

233 lines
8.7 KiB
Python

#!/usr/bin/env python3
from textual.app import ComposeResult
from textual.widgets import (
Header,
Footer,
Label,
Input,
Select,
Button,
Markdown,
Static,
ProgressBar,
)
from textual.containers import Container, Horizontal, Center
from textual.containers import Container
from textual.screen import Screen
import pathlib
import heurams.kernel.particles as pt
import heurams.services.hasher as hasher
from heurams.context import *
from textual.worker import Worker, get_current_worker
class PrecachingScreen(Screen):
"""预缓存音频文件屏幕
缓存记忆单元音频文件, 全部(默认) 或部分记忆单元(可选参数传入)
Args:
nucleons (list): 可选列表, 仅包含 Nucleon 对象
desc (list): 可选字符串, 包含对此次调用的文字描述
"""
BINDINGS = [("q", "go_back", "返回")]
def __init__(self, nucleons: list = [], desc: str = ""):
super().__init__(name=None, id=None, classes=None)
self.nucleons = nucleons
self.is_precaching = False
self.current_file = ""
self.current_item = ""
self.progress = 0
self.total = len(nucleons)
self.processed = 0
self.precache_worker = None
self.cancel_flag = 0
self.desc = desc
for i in nucleons:
i: pt.Nucleon
i.do_eval()
#print("完成 EVAL")
def compose(self) -> ComposeResult:
yield Header(show_clock=True)
with Container(id="precache_container"):
yield Label("[b]音频预缓存[/b]", classes="title-label")
if self.nucleons:
yield Static(f"目标单元归属: [b]{self.desc}[/b]", classes="target-info")
yield Static(f"单元数量: {len(self.nucleons)}", classes="target-info")
else:
yield Static("目标: 所有单元", classes="target-info")
yield Static(id="status", classes="status-info")
yield Static(id="current_item", classes="current-item")
yield ProgressBar(total=100, show_eta=False, id="progress_bar")
with Horizontal(classes="button-group"):
if not self.is_precaching:
yield Button("开始预缓存", id="start_precache", variant="primary")
else:
yield Button("取消预缓存", id="cancel_precache", variant="error")
yield Button("清空缓存", id="clear_cache", variant="warning")
yield Button("返回", id="go_back", variant="default")
yield Static("若您离开此界面, 未完成的缓存进程会自动停止.")
yield Static("缓存程序支持 \"断点续传\".")
yield Footer()
def on_mount(self):
"""挂载时初始化状态"""
self.update_status("就绪", "等待开始...")
def update_status(self, status, current_item="", progress=None):
"""更新状态显示"""
status_widget = self.query_one("#status", Static)
item_widget = self.query_one("#current_item", Static)
progress_bar = self.query_one("#progress_bar", ProgressBar)
status_widget.update(f"状态: {status}")
item_widget.update(f"当前项目: {current_item}" if current_item else "")
if progress is not None:
progress_bar.progress = progress
progress_bar.advance(0) # 刷新显示
def precache_by_text(self, text: str):
"""预缓存单段文本的音频"""
from heurams.context import rootdir, workdir, config_var
cache_dir = pathlib.Path(config_var.get()["paths"]["cache_dir"])
cache_dir.mkdir(parents=True, exist_ok=True)
cache_file = cache_dir / f"{hasher.get_md5(text)}.wav"
if not cache_file.exists():
try: # TODO: 调用模块消除tts耦合
import edge_tts as tts
communicate = tts.Communicate(text, "zh-CN-XiaoxiaoNeural")
communicate.save_sync(str(cache_file))
return 1
except Exception as e:
print(f"预缓存失败 '{text}': {e}")
return 0
return 1
def precache_by_nucleon(self, nucleon: pt.Nucleon):
"""依据 Nucleon 缓存"""
#print(nucleon.metadata['formation']['tts_text'])
ret = self.precache_by_text(nucleon.metadata['formation']['tts_text'])
return ret
#print(f"TTS 缓存: {nucleon.metadata['formation']['tts_text']}")
def precache_by_list(self, nucleons: list):
"""依据 Nucleons 列表缓存"""
for idx, nucleon in enumerate(nucleons):
#print(f"PROC: {nucleon}")
worker = get_current_worker()
if worker and worker.is_cancelled: # 函数在worker中执行且已被取消
return False
text = nucleon.metadata['formation']['tts_text']
#self.current_item = text[:30] + "..." if len(text) > 50 else text
#print(text)
self.processed += 1
#print(self.processed)
#print(self.total)
progress = int((self.processed / self.total) * 100) if self.total > 0 else 0
#print(progress)
self.update_status(
f"正处理 ({idx + 1}/{len(nucleons)})",
text,
progress
)
ret = self.precache_by_nucleon(nucleon)
if not ret:
self.update_status(
"出错",
f"处理失败, 跳过: {self.current_item}",
)
import time
time.sleep(1)
if self.cancel_flag:
worker.cancel()
self.cancel_flag = 0
return False
return True
def precache_by_nucleons(self):
#print("开始缓存")
ret = self.precache_by_list(self.nucleons)
#print(f"返回 {ret}")
return ret
def precache_by_filepath(self, path: pathlib.Path):
"""预缓存单个文件的所有内容"""
lst = list()
for i in pt.load_nucleon(path):
lst.append(i[0])
return self.precache_by_list(lst)
def precache_all_files(self):
"""预缓存所有文件"""
from heurams.context import rootdir, workdir, config_var
nucleon_path = pathlib.Path(config_var.get()["paths"]["nucleon_dir"])
nucleon_files = [f for f in nucleon_path.iterdir() if f.suffix == ".toml"] # TODO: 解耦合
# 计算总项目数
self.total = 0
nu = list()
for file in nucleon_files:
try:
for i in pt.load_nucleon(file):
nu.append(i[0])
except:
continue
self.total = len(nu)
for i in nu:
i: pt.Nucleon
i.do_eval()
return self.precache_by_list(nu)
def on_button_pressed(self, event: Button.Pressed) -> None:
event.stop()
if event.button.id == "start_precache" and not self.is_precaching:
# 开始预缓存
if self.nucleons:
self.precache_worker = self.run_worker(self.precache_by_nucleons, thread=True, exclusive=True, exit_on_error=True)
else:
self.precache_worker = self.run_worker(self.precache_all_files, thread=True, exclusive=True, exit_on_error=True)
elif event.button.id == "cancel_precache" and self.is_precaching:
# 取消预缓存
if self.precache_worker:
self.precache_worker.cancel()
self.is_precaching = False
self.processed = 0
self.progress = 0
self.update_status("已取消", "预缓存操作被用户取消", 0)
elif event.button.id == "clear_cache":
# 清空缓存
try:
import shutil
from heurams.context import rootdir, workdir, config_var
shutil.rmtree(f"{config_var.get()["paths"]["cache_dir"]}", ignore_errors=True)
self.update_status("已清空", "音频缓存已清空", 0)
except Exception as e:
self.update_status("错误", f"清空缓存失败: {e}")
self.cancel_flag = 1
self.processed = 0
self.progress = 0
elif event.button.id == "go_back":
self.action_go_back()
def action_go_back(self):
if self.is_precaching and self.precache_worker:
self.precache_worker.cancel()
self.app.pop_screen()
def action_quit_app(self):
if self.is_precaching and self.precache_worker:
self.precache_worker.cancel()
self.app.exit()