225 lines
8.2 KiB
Python
225 lines
8.2 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
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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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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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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 = [("q", "go_back", "返回")]
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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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def compose(self) -> ComposeResult:
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yield Header(show_clock=True)
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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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if self.nucleons:
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yield Static(f"目标单元归属: [b]{self.desc}[/b]", classes="target-info")
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yield Static(f"单元数量: {len(self.nucleons)}", classes="target-info")
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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("开始预缓存", id="start_precache", variant="primary")
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else:
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yield Button("取消预缓存", id="cancel_precache", variant="error")
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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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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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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 precache_by_text(self, text: str):
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"""预缓存单段文本的音频"""
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from heurams.context import config_var, rootdir, workdir
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cache_dir = pathlib.Path(config_var.get()["paths"]["data"]) / 'cache'
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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, rootdir, workdir
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from heurams.kernel.repolib import Repo
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repo_path = pathlib.Path(config_var.get()["paths"]["data"]) / 'repo'
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repo_dirs = Repo.probe_vaild_repos_in_dir(repo_path)
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repos = map(Repo.create_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(pt.Nucleon.create_on_nucleonic_data(repo.nucleonic_data_lict.get_itemic_unit(i)))
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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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from heurams.context import config_var, rootdir, workdir
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shutil.rmtree(
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f"{config_var.get()["paths"]["data"]}/'cache'", ignore_errors=True
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)
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self.update_status("已清空", "音频缓存已清空", 0)
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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 == "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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def action_quit_app(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.exit()
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