first commit

old/app/services/__init__.py

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+# 服务层初始化文件
+# 这里将导入所有服务模块以便于统一调用
+
+from .smtp_server import SMTPServer
+from .email_processor import EmailProcessor
+from .mail_store import MailStore
+
+# 全局服务实例
+_smtp_server = None
+_email_processor = None
+_mail_store = None
+
+def register_smtp_server(instance):
+    """注册SMTP服务器实例"""
+    global _smtp_server
+    _smtp_server = instance
+
+def register_email_processor(instance):
+    """注册邮件处理器实例"""
+    global _email_processor
+    _email_processor = instance
+
+def register_mail_store(instance):
+    """注册邮件存储实例"""
+    global _mail_store
+    _mail_store = instance
+
+def get_smtp_server():
+    """获取SMTP服务器实例"""
+    return _smtp_server
+
+def get_email_processor():
+    """获取邮件处理器实例"""
+    return _email_processor
+
+def get_mail_store():
+    """获取邮件存储实例"""
+    return _mail_store
+
+__all__ = [
+    'SMTPServer', 'EmailProcessor', 'MailStore',
+    'register_smtp_server', 'register_email_processor', 'register_mail_store',
+    'get_smtp_server', 'get_email_processor', 'get_mail_store'
+]