338 lines
13 KiB
Python
338 lines
13 KiB
Python
"""缓存工具界面"""
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import pathlib
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from textual.app import ComposeResult
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from textual.containers import Horizontal, ScrollableContainer, Container
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from textual.screen import Screen
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from textual.widgets import Button, Footer, Header, Label, ProgressBar, Static
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from textual.worker import get_current_worker
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from textual import events, on
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import heurams.kernel.particles as pt
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import heurams.services.hasher as hasher
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from heurams.context import *
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# 兼容性缓存路径：优先使用 paths.cache，否则使用 data/cache
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paths = config_var.get()["global"]["paths"]
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cache_dir = pathlib.Path(paths.get("cache", paths["data"] + "/cache")) / "voice"
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def human_size(bytes_num: int) -> str:
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"""将字节数格式化为人类可读的字符串"""
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for unit in ["B", "KB", "MB", "GB", "TB"]:
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if bytes_num < 1024.0:
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return f"{bytes_num:.2f} {unit}"
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bytes_num /= 1024.0 # type: ignore
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return f"{bytes_num:.2f} PB"
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class PrecachingScreen(Screen):
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"""预缓存音频文件屏幕
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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)
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Args:
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nucleons (list): 可选列表, 仅包含 Nucleon 对象
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desc (list): 可选字符串, 包含对此次调用的文字描述
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"""
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SUB_TITLE = "缓存管理器"
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BINDINGS = [
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("q", "go_back", "返回"),
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]
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def __init__(self, nucleons: list = [], desc: str = ""):
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super().__init__(name=None, id=None, classes=None)
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self.nucleons = nucleons
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self.is_precaching = False
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self.current_file = ""
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self.current_item = ""
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self.progress = 0
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self.total = len(nucleons)
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self.processed = 0
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self.precache_worker = None
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self.cancel_flag = 0
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self.desc = desc
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# 不再需要缓存配置，保留配置读取以兼容
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self.cache_stats = {
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"total_size": 0,
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"file_count": 0,
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"human_size": "0 B",
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"cached_units": 0,
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"total_units": 0,
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"cache_rate": 0,
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}
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self._update_cache_stats()
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def _get_total_units(self) -> int:
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"""获取所有仓库的总单元数"""
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from heurams.context import config_var
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from heurams.kernel.repolib import Repo
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repo_path = pathlib.Path(config_var.get()["global"]["paths"]["data"]) / "repo"
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repo_dirs = Repo.probe_valid_repos_in_dir(repo_path)
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repos = map(Repo.from_repodir, repo_dirs)
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total = 0
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for repo in repos:
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try:
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total += len(repo.ident_index)
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except:
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continue
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return total
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@on(events.ScreenResume)
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def post_active(self, event):
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from heurams.interface import shim
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shim.set_term_title(f"{self.app.TITLE} - {self.SUB_TITLE}")
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def _update_cache_stats(self) -> None:
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"""更新缓存统计信息"""
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total_size = 0
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file_count = 0
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cached_units = 0
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if cache_dir.exists():
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for file in cache_dir.rglob("*"):
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if file.is_file():
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total_size += file.stat().st_size
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file_count += 1
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if file.suffix.lower() == ".wav":
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cached_units += 1
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total_units = self._get_total_units()
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cache_rate = (cached_units / total_units * 100) if total_units > 0 else 0
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self.cache_stats["total_size"] = total_size
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self.cache_stats["file_count"] = file_count
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self.cache_stats["human_size"] = human_size(total_size)
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self.cache_stats["cached_units"] = cached_units
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self.cache_stats["total_units"] = total_units
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self.cache_stats["cache_rate"] = cache_rate
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def compose(self) -> ComposeResult:
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if config_var.get()['interface']['global']['show_header']:
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yield Header(show_clock=config_var.get()['interface']['global']['clock_on_header'])
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with ScrollableContainer(id="precache_container"):
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yield Label("[b]音频预缓存[/b]", classes="title-label")
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with Container():
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yield Static(
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f"缓存率: {self.cache_stats.get('cache_rate', 0):.1f}% (已缓存 {self.cache_stats.get('cached_units', 0)} / {self.cache_stats.get('total_units', 0)} 个单元)",
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classes="cache-usage-text",
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)
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if self.nucleons:
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yield Static(
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f"目标单元归属: [b]{self.desc}[/b]", classes="target-info"
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)
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yield Static(
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f"单元数量: {len(self.nucleons)}", classes="target-info"
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)
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else:
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yield Static("目标: 所有单元", classes="target-info")
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yield Static(id="status", classes="status-info")
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yield Static(id="current_item", classes="current-item")
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yield ProgressBar(total=100, show_eta=False, id="progress_bar")
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with Horizontal(classes="button-group"):
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if not self.is_precaching:
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yield Button(
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"开始预缓存", id="start_precache", variant="primary"
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)
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else:
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yield Button(
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"取消预缓存", id="cancel_precache", variant="error"
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)
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yield Button("清空缓存", id="clear_cache", variant="warning")
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yield Button("返回", id="go_back", variant="default")
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with Container(classes="cache-info"):
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yield Static(f"缓存路径: {cache_dir}", classes="cache-path")
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yield Static(
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f"文件数: {self.cache_stats['file_count']}", classes="cache-count"
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)
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yield Static(
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f"总大小: {self.cache_stats['human_size']}", classes="cache-size"
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)
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yield Button(
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"刷新", id="refresh_cache_stats", variant="default", flat=True
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)
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yield Static("若您离开此界面, 未完成的缓存进程会自动停止.")
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yield Static('缓存程序支持 "断点续传".')
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yield Footer()
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def on_mount(self):
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"""挂载时初始化状态"""
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self.update_status("就绪", "等待开始...")
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self._update_cache_display()
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def update_status(self, status, current_item="", progress=None):
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"""更新状态显示"""
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status_widget = self.query_one("#status", Static)
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item_widget = self.query_one("#current_item", Static)
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progress_bar = self.query_one("#progress_bar", ProgressBar)
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status_widget.update(f"状态: {status}")
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item_widget.update(f"当前项目: {current_item}" if current_item else "")
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if progress is not None:
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progress_bar.progress = progress
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progress_bar.advance(0) # 刷新显示
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def _update_cache_display(self) -> None:
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"""更新缓存信息显示"""
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# 更新统计信息
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self._update_cache_stats()
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# 更新缓存率进度条
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# 更新缓存大小和文件数显示
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cache_count_widget = self.query_one(".cache-count", Static)
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cache_size_widget = self.query_one(".cache-size", Static)
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cache_usage_text = self.query_one(".cache-usage-text", Static)
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if cache_count_widget:
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cache_count_widget.update(f"文件数: {self.cache_stats['file_count']}")
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if cache_size_widget:
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cache_size_widget.update(f"总大小: {self.cache_stats['human_size']}")
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if cache_usage_text:
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cache_usage_text.update(
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f"缓存率: {self.cache_stats.get('cache_rate', 0):.1f}% "
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f"(已缓存 {self.cache_stats.get('cached_units', 0)} / {self.cache_stats.get('total_units', 0)} 个单元)"
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)
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def precache_by_text(self, text: str):
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"""预缓存单段文本的音频"""
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cache_dir.mkdir(parents=True, exist_ok=True)
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cache_file = cache_dir / f"{hasher.get_md5(text)}.wav"
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if not cache_file.exists():
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try:
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from heurams.services.tts_service import convertor
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convertor(text, cache_file)
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return 1
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except Exception as e:
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print(f"预缓存失败 '{text}': {e}")
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return 0
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return 1
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def precache_by_nucleon(self, nucleon: pt.Nucleon):
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"""依据 Nucleon 缓存"""
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ret = self.precache_by_text(nucleon["tts_text"])
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return ret
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def precache_by_list(self, nucleons: list):
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"""依据 Nucleons 列表缓存"""
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for idx, nucleon in enumerate(nucleons):
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# print(f"PROC: {nucleon}")
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worker = get_current_worker()
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if worker and worker.is_cancelled: # 函数在worker中执行且已被取消
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return False
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text = nucleon["tts_text"]
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# self.current_item = text[:30] + "..." if len(text) > 50 else text
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# print(text)
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self.processed += 1
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# print(self.processed)
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# print(self.total)
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progress = int((self.processed / self.total) * 100) if self.total > 0 else 0
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# print(progress)
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self.update_status(f"正处理 ({idx + 1}/{len(nucleons)})", text, progress)
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ret = self.precache_by_nucleon(nucleon)
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if not ret:
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self.update_status(
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"出错",
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f"处理失败, 跳过: {self.current_item}",
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)
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import time
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time.sleep(1)
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if self.cancel_flag:
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worker.cancel()
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self.cancel_flag = 0
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return False
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return True
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def precache_by_nucleons(self):
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# print("开始缓存")
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ret = self.precache_by_list(self.nucleons)
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# print(f"返回 {ret}")
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return ret
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def precache_all_files(self):
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"""预缓存所有文件"""
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from heurams.context import config_var
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from heurams.kernel.repolib import Repo
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repo_path = pathlib.Path(config_var.get()["global"]["paths"]["data"]) / "repo"
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repo_dirs = Repo.probe_valid_repos_in_dir(repo_path)
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repos = map(Repo.from_repodir, repo_dirs)
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# 计算总项目数
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self.total = 0
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nucleon_list = list()
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for repo in repos:
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try:
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for i in repo.ident_index:
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nucleon_list.append(
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pt.Nucleon.from_data(
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repo.nucleonic_data_lict.get_itemic_unit(i)
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)
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)
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except:
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continue
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self.total = len(nucleon_list)
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return self.precache_by_list(nucleon_list)
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def on_button_pressed(self, event: Button.Pressed) -> None:
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event.stop()
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if event.button.id == "start_precache" and not self.is_precaching:
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# 开始预缓存
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if self.nucleons:
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self.precache_worker = self.run_worker(
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self.precache_by_nucleons,
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thread=True,
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exclusive=True,
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exit_on_error=True,
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)
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else:
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self.precache_worker = self.run_worker(
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self.precache_all_files,
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thread=True,
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exclusive=True,
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exit_on_error=True,
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)
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elif event.button.id == "cancel_precache" and self.is_precaching:
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# 取消预缓存
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if self.precache_worker:
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self.precache_worker.cancel()
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self.is_precaching = False
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self.processed = 0
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self.progress = 0
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self.update_status("已取消", "预缓存操作被用户取消", 0)
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elif event.button.id == "clear_cache":
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# 清空缓存
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try:
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import shutil
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shutil.rmtree(cache_dir, ignore_errors=True)
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self.update_status("已清空", "音频缓存已清空", 0)
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self._update_cache_display() # 更新缓存统计显示
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except Exception as e:
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self.update_status("错误", f"清空缓存失败: {e}")
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self.cancel_flag = 1
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self.processed = 0
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self.progress = 0
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elif event.button.id == "refresh_cache_stats":
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# 刷新缓存统计信息
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self._update_cache_display()
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self.app.notify("缓存信息已刷新", severity="information")
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elif event.button.id == "go_back":
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self.action_go_back()
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def action_go_back(self):
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if self.is_precaching and self.precache_worker:
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self.precache_worker.cancel()
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self.app.pop_screen()
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