149 lines
6.3 KiB
Python
149 lines
6.3 KiB
Python
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# Hook __import__
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import builtins
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import os
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import sys
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import public
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import public.PluginLoader as plugin_loader
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import types
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import traceback
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if 'class_v2/' not in sys.path and 'class_v2' not in sys.path:
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sys.path.insert(0, 'class_v2/')
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__basedir = public.get_panel_path()
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__hooked = False
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old__import__ = builtins.__import__
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def hook_import():
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global __hooked, __basedir
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if __hooked:
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return
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def _aap__import__(name, globals = None, locals = None, fromlist = (), level = 0):
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try:
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return old__import__(name, globals, locals, fromlist, level)
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except SyntaxError:
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panel_path = __basedir
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# 处理相对导入
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if level > 0:
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if not globals or '__package__' not in globals:
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raise ImportError("Attempted relative import with no known parent package")
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package = globals.get('__package__') or globals.get('__name__', '').rpartition('.')[0]
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if not package and level > 0:
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raise ImportError("Attempted relative import with no known parent package")
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if level > 1:
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parent_parts = package.split('.')
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if len(parent_parts) < level - 1:
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raise ImportError("Attempted relative import beyond top-level package")
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package = '.'.join(parent_parts[:-level + 1])
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absolute_name = f"{package}.{name}" if name else package
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else:
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absolute_name = name
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# 如果模块已加载，直接返回
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if absolute_name in sys.modules:
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if fromlist is None or len(fromlist) == 0:
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return sys.modules[absolute_name]
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is_loaded = True
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for name in fromlist:
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if name == '*':
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continue
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if not hasattr(sys.modules[absolute_name], name):
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is_loaded = False
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break
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if is_loaded:
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return sys.modules[absolute_name]
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module_path_part = absolute_name.replace('.', '/')
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is_package_import = bool(fromlist)
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for p in set(sys.path):
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base_path = os.path.join(panel_path, p)
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potential_file_path = os.path.realpath(os.path.join(base_path, module_path_part + '.py'))
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potential_dir_path = os.path.realpath(os.path.join(base_path, module_path_part))
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if os.path.isdir(potential_dir_path):
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init_py = os.path.join(potential_dir_path, '__init__.py')
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if os.path.exists(init_py) and os.path.getsize(init_py) > 10:
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# 如果 __init__.py 存在并且不为空，作为常规包加载
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top_module = plugin_loader.get_module(init_py)
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else:
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# 如果 __init__.py 不存在，创建一个空的模块对象来代表这个包
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top_module = types.ModuleType(absolute_name)
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top_module.__file__ = potential_dir_path
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top_module.__path__ = [potential_dir_path]
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top_module.__package__ = absolute_name
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# 将创建的空模块放入 sys.modules 缓存
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sys.modules[absolute_name] = top_module
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if is_package_import:
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for sub_module_name in fromlist:
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if sub_module_name == '*':
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continue
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sub_module_path = os.path.join(potential_dir_path, sub_module_name + '.py')
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if os.path.exists(sub_module_path):
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try:
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sub_module = plugin_loader.get_module(sub_module_path)
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setattr(top_module, sub_module_name, sub_module)
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except:
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traceback.print_exc()
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pass
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return top_module
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elif os.path.exists(potential_file_path):
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m = plugin_loader.get_module(potential_file_path)
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# 规范化子模块对象属性
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parts = absolute_name.split('.')
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m.__name__ = absolute_name
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m.__file__ = potential_file_path
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m.__package__ = '.'.join(parts[:-1]) if len(parts) > 1 else ''
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# 注册完整模块名到 sys.modules
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sys.modules[absolute_name] = m
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# 确保父包链存在并把子模块设置为父包属性（父包的 __path__ 指向模块文件所在目录）
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for i in range(1, len(parts)):
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parent_name = '.'.join(parts[:i])
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child_name = parts[i]
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if parent_name not in sys.modules:
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parent = types.ModuleType(parent_name)
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parent.__package__ = parent_name
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# 将父包的 __path__ 指向包含子模块的目录（保守设置）
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parent.__path__ = [os.path.dirname(potential_file_path)]
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sys.modules[parent_name] = parent
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else:
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parent = sys.modules[parent_name]
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# 设置父包对下级模块的属性引用（使用已经注册的模块对象）
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child_full = '.'.join(parts[:i + 1])
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child_mod = sys.modules.get(child_full)
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if child_mod is not None:
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setattr(parent, child_name, child_mod)
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# 如果导入没有指定 fromlist（即通常的 `import a.b.c`），返回顶级包对象以匹配 CPython 行为
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is_package_import = bool(fromlist)
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if not is_package_import:
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top_name = parts[0]
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return sys.modules.get(top_name, m)
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# 有 fromlist 时返回子模块对象
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return m
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raise
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builtins.__import__ = _aap__import__
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__hooked = True
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