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fix: 又得我他妈搞镜像了
Browse files- docs/流程文档_AI用.md +6 -1
- src/mfa_model_downloader.py +96 -59
docs/流程文档_AI用.md
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@@ -171,7 +171,7 @@
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| 模块 | 文件 | 功能 |
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|------|------|------|
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| Silero VAD 下载 | `silero_vad_downloader.py` | 下载语音活动检测模型(支持多镜像源) |
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| MFA 模型下载 | `mfa_model_downloader.py` | 下载声学模型和字典(带完整性校验) |
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| Whisper 模型 | 通过 HuggingFace 自动下载 | 语音识别模型 |
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支持的语言:
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@@ -186,6 +186,11 @@ Silero VAD 下载镜像源(按优先级):
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- jsdelivr CDN
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- GitHub 原始地址(备选)
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MFA 字典文件完整性校验:
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- 下载完成后计算 SHA256 哈希并保存为 `.sha256` 文件
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- 后续启动时校验哈希值,损坏则自动重新下载
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| 模块 | 文件 | 功能 |
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|------|------|------|
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| Silero VAD 下载 | `silero_vad_downloader.py` | 下载语音活动检测模型(支持多镜像源) |
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| MFA 模型下载 | `mfa_model_downloader.py` | 下载声学模型和字典(带完整性校验,支持 GitHub 代理镜像) |
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| Whisper 模型 | 通过 HuggingFace 自动下载 | 语音识别模型 |
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支持的语言:
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- jsdelivr CDN
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- GitHub 原始地址(备选)
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MFA 模型下载镜像源(云端环境自动启用):
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- ghfast.top 镜像(优先)
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- gh-proxy.com 镜像
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- GitHub 原始地址(备选)
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MFA 字典文件完整性校验:
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- 下载完成后计算 SHA256 哈希并保存为 `.sha256` 文件
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- 后续启动时校验哈希值,损坏则自动重新下载
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src/mfa_model_downloader.py
CHANGED
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@@ -3,6 +3,7 @@
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MFA 模型下载模块
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支持下载中文和日文的声学模型及字典
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包含 SHA256 哈希校验,确保文件完整性
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"""
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import os
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@@ -11,7 +12,7 @@ import logging
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import urllib.request
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import urllib.error
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from pathlib import Path
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from typing import Optional, Callable
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logger = logging.getLogger(__name__)
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GITHUB_RELEASE_BASE = "https://github.com/MontrealCorpusTools/mfa-models/releases/download"
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GITHUB_RAW_BASE = "https://raw.githubusercontent.com/MontrealCorpusTools/mfa-models/main"
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# 支持的语言配置
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# 格式: {语言代码: {名称, 声学模型信息, 字典信息}}
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# sha256: 官方文件的 SHA256 哈希值(清理空行后),用于校验文件完整性
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@@ -159,16 +168,36 @@ def _verify_file_integrity(
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return True, "文件完整"
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def _download_file(
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url: str,
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dest_path: str,
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progress_callback: Optional[Callable[[str], None]] = None
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) -> bool:
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"""
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下载文件
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参数:
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url: 下载地址
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dest_path: 保存路径
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progress_callback: 进度回调
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if progress_callback:
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progress_callback(msg)
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# 下载到临时文件,完成后再重命名
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temp_path = dest_path + ".downloading"
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# 下载文件
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req = urllib.request.Request(url, headers={"User-Agent": "Mozilla/5.0"})
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with urllib.request.urlopen(req, timeout=120) as response:
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total_size = response.headers.get("Content-Length")
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if total_size:
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total_size = int(total_size)
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log(f"文件大小: {total_size / 1024 / 1024:.1f} MB")
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#
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downloaded = 0
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except Exception as e:
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log(f"下载失败: {e}")
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return False
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finally:
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# 清理临时文件
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temp_path = dest_path + ".downloading"
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if os.path.exists(temp_path):
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try:
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os.remove(temp_path)
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except:
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pass
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MFA 模型下载模块
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支持下载中文和日文的声学模型及字典
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包含 SHA256 哈希校验,确保文件完整性
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支持 GitHub 代理镜像(云端环境)
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"""
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import os
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import urllib.request
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import urllib.error
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from pathlib import Path
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from typing import Optional, Callable, List
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logger = logging.getLogger(__name__)
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GITHUB_RELEASE_BASE = "https://github.com/MontrealCorpusTools/mfa-models/releases/download"
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GITHUB_RAW_BASE = "https://raw.githubusercontent.com/MontrealCorpusTools/mfa-models/main"
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# GitHub 代理镜像列表(云端环境使用)
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# 格式: 代理前缀 + 原始 GitHub URL
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GITHUB_PROXIES = [
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"https://ghfast.top/",
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"https://gh-proxy.com/",
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"", # 最后尝试直连
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]
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# 支持的语言配置
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# 格式: {语言代码: {名称, 声学模型信息, 字典信息}}
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# sha256: 官方文件的 SHA256 哈希值(清理空行后),用于校验文件完整性
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return True, "文件完整"
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def _is_cloud_environment() -> bool:
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"""检测是否在云端环境运行"""
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return any([
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os.environ.get("SPACE_ID"), # Hugging Face Spaces
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os.environ.get("MODELSCOPE_SPACE"), # 魔塔社区
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os.environ.get("GRADIO_SERVER_NAME"), # 通用 Gradio 云端
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Path("/home/studio_service").exists(), # 魔搭创空间特征目录
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])
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def _get_proxy_urls(original_url: str) -> List[str]:
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"""
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获取带代理的 URL 列表
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云端环境返回多个代理 URL,本地环境只返回原始 URL
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"""
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if _is_cloud_environment():
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return [f"{proxy}{original_url}" for proxy in GITHUB_PROXIES]
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return [original_url]
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def _download_file(
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url: str,
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dest_path: str,
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progress_callback: Optional[Callable[[str], None]] = None
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) -> bool:
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"""
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下载文件(支持代理镜像自动切换)
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参数:
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url: 下载地址(原始 GitHub URL)
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dest_path: 保存路径
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progress_callback: 进度回调
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if progress_callback:
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progress_callback(msg)
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# 获取所有可用的 URL(包括代理)
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urls = _get_proxy_urls(url)
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for try_url in urls:
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try:
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log(f"正在下载: {try_url}")
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# 创建目录
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os.makedirs(os.path.dirname(dest_path), exist_ok=True)
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# 下载到临时文件,完成后再重命名
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temp_path = dest_path + ".downloading"
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# 下载文件
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req = urllib.request.Request(try_url, headers={"User-Agent": "Mozilla/5.0"})
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with urllib.request.urlopen(req, timeout=180) as response:
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total_size = response.headers.get("Content-Length")
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if total_size:
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total_size = int(total_size)
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log(f"文件大小: {total_size / 1024 / 1024:.1f} MB")
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# 分块下载
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block_size = 8192
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downloaded = 0
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with open(temp_path, "wb") as f:
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while True:
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chunk = response.read(block_size)
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if not chunk:
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break
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f.write(chunk)
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downloaded += len(chunk)
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if total_size and downloaded % (block_size * 100) == 0:
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percent = downloaded / total_size * 100
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log(f"下载进度: {percent:.1f}%")
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# 下载完成,重命名
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if os.path.exists(dest_path):
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os.remove(dest_path)
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os.rename(temp_path, dest_path)
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log(f"下载完成: {dest_path}")
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return True
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except urllib.error.HTTPError as e:
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log(f"HTTP 错误: {e.code} - {e.reason}")
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except urllib.error.URLError as e:
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log(f"网络错误: {e.reason}")
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except Exception as e:
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log(f"下载失败: {e}")
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finally:
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# 清理临时文件
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temp_path = dest_path + ".downloading"
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if os.path.exists(temp_path):
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try:
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os.remove(temp_path)
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except:
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pass
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# 当前 URL 失败,尝试下一个
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if try_url != urls[-1]:
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log("尝试下一个镜像...")
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log("所有镜像均下载失败")
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return False
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