310 lines
10 KiB
Python
310 lines
10 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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跨平台路径处理工具
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"""
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import os
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import platform
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from pathlib import Path
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from panda3d.core import Filename
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class CrossPlatformPathHandler:
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"""跨平台路径处理器"""
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def __init__(self):
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self.system = platform.system()
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self.is_windows = self.system == "Windows"
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self.is_linux = self.system == "Linux"
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self.is_mac = self.system == "Darwin"
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print(f"路径处理器初始化 - 系统: {self.system}")
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def normalize_model_path(self, filepath):
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"""标准化模型文件路径"""
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try:
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#print(f"\n=== 路径标准化处理 ===")
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#print(f"原始路径: {filepath}")
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#print(f"当前系统: {self.system}")
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# 步骤1: 检查原始路径是否存在
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if self._check_file_exists(filepath):
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return self._panda3d_normalize(filepath)
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# 步骤2: 路径修复尝试
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fixed_path = self._attempt_path_fixes(filepath)
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if fixed_path:
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return self._panda3d_normalize(fixed_path)
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# 步骤3: 智能搜索
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found_path = self._smart_file_search(filepath)
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if found_path:
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return self._panda3d_normalize(found_path)
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# 步骤4: 用户友好的错误处理
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self._handle_path_not_found(filepath)
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return filepath
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except Exception as e:
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print(f"❌ 路径标准化失败: {e}")
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return filepath
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def _check_file_exists(self, filepath):
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"""检查文件是否存在"""
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exists = os.path.exists(filepath)
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return exists
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def _panda3d_normalize(self, filepath):
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"""使用Panda3D标准化路径"""
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for ctor_name in ("fromOsSpecificW", "from_os_specific_w", "fromOsSpecific", "from_os_specific"):
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ctor = getattr(Filename, ctor_name, None)
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if not ctor:
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continue
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try:
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panda_filename = ctor(filepath)
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normalized_path = panda_filename.get_fullpath()
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if normalized_path:
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print(f"✓ Panda3D标准化: {normalized_path}")
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return normalized_path
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except Exception:
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continue
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try:
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panda_filename = Filename(filepath)
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normalized_path = panda_filename.get_fullpath()
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if normalized_path:
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print(f"✓ Panda3D标准化: {normalized_path}")
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return normalized_path
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except Exception as e:
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print(f"⚠️ Panda3D标准化失败: {e}")
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return filepath
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def _attempt_path_fixes(self, filepath):
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"""尝试各种路径修复方法"""
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print("🔧 尝试路径修复...")
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# 修复方法1: 处理Windows/Linux路径分隔符
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fixed_path = self._fix_path_separators(filepath)
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if fixed_path and self._check_file_exists(fixed_path):
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return fixed_path
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# 修复方法2: 处理绝对路径到相对路径的转换
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relative_path = self._convert_to_relative_path(filepath)
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if relative_path and self._check_file_exists(relative_path):
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return relative_path
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# 修复方法3: 处理路径中的特殊字符
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cleaned_path = self._clean_special_characters(filepath)
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if cleaned_path and self._check_file_exists(cleaned_path):
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return cleaned_path
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return None
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def _fix_path_separators(self, filepath):
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"""修复路径分隔符"""
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try:
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if self.is_windows:
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# Windows: 将正斜杠转换为反斜杠
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fixed = filepath.replace('/', '\\')
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else:
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# Linux/Mac: 将反斜杠转换为正斜杠
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fixed = filepath.replace('\\', '/')
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if fixed != filepath:
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print(f" 路径分隔符修复: {fixed}")
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return fixed
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return None
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except Exception as e:
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print(f" 路径分隔符修复失败: {e}")
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return None
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def _convert_to_relative_path(self, filepath):
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"""转换绝对路径为相对路径"""
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try:
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# 如果是绝对路径，尝试转换为相对路径
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if os.path.isabs(filepath):
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filename = os.path.basename(filepath)
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print(f" 尝试相对路径: {filename}")
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return filename
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return None
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except Exception as e:
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print(f" 相对路径转换失败: {e}")
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return None
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def _clean_special_characters(self, filepath):
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"""清理路径中的特殊字符"""
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try:
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# 处理路径中的特殊字符（如中文路径中的+号）
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import urllib.parse
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# URL解码
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decoded = urllib.parse.unquote(filepath)
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if decoded != filepath:
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print(f" URL解码: {decoded}")
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return decoded
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return None
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except Exception as e:
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print(f" 特殊字符清理失败: {e}")
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return None
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def _smart_file_search(self, filepath):
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"""智能文件搜索"""
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print("🔍 开始智能文件搜索...")
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filename = os.path.basename(filepath)
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print(f" 搜索文件名: {filename}")
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# 搜索策略1: 在常见目录中搜索
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found_path = self._search_in_common_directories(filename)
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if found_path:
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return found_path
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# 搜索策略2: 递归搜索当前目录
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found_path = self._recursive_search(filename)
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if found_path:
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return found_path
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# 搜索策略3: 搜索用户常用目录
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found_path = self._search_user_directories(filename)
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if found_path:
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return found_path
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return None
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def _search_in_common_directories(self, filename):
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"""在常见目录中搜索"""
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common_dirs = [
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"models",
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"assets",
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"assets/models",
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"resources",
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"data",
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"scene",
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".",
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"..",
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"../models",
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"../assets"
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]
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for directory in common_dirs:
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if os.path.exists(directory):
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potential_path = os.path.join(directory, filename)
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if os.path.exists(potential_path):
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print(f" ✓ 在常见目录中找到: {potential_path}")
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return potential_path
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return None
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def _recursive_search(self, filename, max_depth=3):
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"""递归搜索文件"""
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try:
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current_depth = 0
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for root, dirs, files in os.walk("."):
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# 限制搜索深度
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depth = root.replace(".", "").count(os.sep)
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if depth > max_depth:
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continue
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if filename in files:
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found_path = os.path.join(root, filename)
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print(f" ✓ 递归搜索找到: {found_path}")
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return found_path
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return None
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except Exception as e:
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print(f" 递归搜索失败: {e}")
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return None
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def _search_user_directories(self, filename):
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"""搜索用户常用目录"""
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try:
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user_dirs = []
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if self.is_windows:
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# Windows常用目录
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user_dirs.extend([
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os.path.expanduser("~/Desktop"),
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os.path.expanduser("~/Documents"),
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"C:/模型",
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"D:/模型",
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"E:/模型"
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])
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else:
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# Linux/Mac常用目录
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user_dirs.extend([
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os.path.expanduser("~/Desktop"),
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os.path.expanduser("~/Documents"),
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os.path.expanduser("~/models"),
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"/tmp",
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"/var/tmp"
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])
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for directory in user_dirs:
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if os.path.exists(directory):
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potential_path = os.path.join(directory, filename)
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if os.path.exists(potential_path):
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print(f" ✓ 在用户目录中找到: {potential_path}")
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return potential_path
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return None
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except Exception as e:
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print(f" 用户目录搜索失败: {e}")
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return None
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def _handle_path_not_found(self, filepath):
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"""处理路径未找到的情况"""
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print(f"\n❌ 无法找到文件: {filepath}")
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print("💡 建议解决方案:")
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print("1. 检查文件路径是否正确")
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print("2. 确保文件确实存在")
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print("3. 尝试使用相对路径而不是绝对路径")
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print("4. 检查文件名中是否包含特殊字符")
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print("5. 将模型文件复制到项目的 models/ 目录下")
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# 显示当前工作目录
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print(f"当前工作目录: {os.getcwd()}")
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# 显示Panda3D模型搜索路径
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try:
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from panda3d.core import getModelPath
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model_path = getModelPath()
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print(f"Panda3D模型搜索路径: {model_path}")
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except:
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pass
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def suggest_file_placement(self, filename):
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"""建议文件放置位置"""
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suggestions = []
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# 创建推荐的目录结构
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recommended_dirs = ["models", "assets/models", "resources"]
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for directory in recommended_dirs:
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if not os.path.exists(directory):
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try:
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os.makedirs(directory, exist_ok=True)
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suggestions.append(f"已创建目录: {directory}")
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except:
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pass
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suggested_path = os.path.join(directory, filename)
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suggestions.append(f"建议放置位置: {suggested_path}")
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return suggestions
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# 全局路径处理器实例
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path_handler = CrossPlatformPathHandler()
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def normalize_model_path(filepath):
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"""便捷函数：标准化模型路径"""
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return path_handler.normalize_model_path(filepath)
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def suggest_file_placement(filename):
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"""便捷函数：建议文件放置位置"""
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return path_handler.suggest_file_placement(filename)
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