彻底解决代理参数问题，添加 requests 备用方案

app.py

@@ -1,11 +1,18 @@
 import gradio as gr
 import time
 import base64
-from openai import OpenAI
 import os
 from io import BytesIO
 from PIL import Image
 
+# 清理环境变量中的代理设置，避免与 OpenAI 客户端冲突
+for key in list(os.environ.keys()):
+    if 'proxy' in key.lower() or 'PROXY' in key:
+        del os.environ[key]
+
+# 导入 OpenAI（在清理环境变量后）
+from openai import OpenAI
+
 # 配置
 BASE_URL = "https://api.stepfun.com/v1"
 # 从环境变量获取API密钥
@@ -27,6 +34,48 @@ def image_to_base64(image):
     
     return None
 
+def create_client():
+    """创建 OpenAI 客户端，处理各种环境问题"""
+    import importlib
+    import sys
+    
+    # 重新加载 openai 模块以确保干净的状态
+    if 'openai' in sys.modules:
+        importlib.reload(sys.modules['openai'])
+    
+    # 尝试不同的初始化方式
+    try:
+        # 方式1：只传递必需参数
+        return OpenAI(
+            api_key=STEP_API_KEY,
+            base_url=BASE_URL
+        )
+    except:
+        pass
+    
+    try:
+        # 方式2：通过环境变量
+        os.environ['OPENAI_API_KEY'] = STEP_API_KEY
+        os.environ['OPENAI_BASE_URL'] = BASE_URL
+        return OpenAI()
+    except:
+        pass
+    
+    # 方式3：使用 httpx 客户端自定义
+    try:
+        import httpx
+        http_client = httpx.Client()
+        return OpenAI(
+            api_key=STEP_API_KEY,
+            base_url=BASE_URL,
+            http_client=http_client
+        )
+    except:
+        pass
+    
+    # 如果都失败，返回 None
+    return None
+
 def call_step_api(image, prompt, model, temperature=0.7, max_tokens=2000):
     """调用Step API进行分析，支持纯文本和图像+文本"""
     
@@ -75,27 +124,58 @@ def call_step_api(image, prompt, model, temperature=0.7, max_tokens=2000):
         }
     ]
     
-    # 创建OpenAI客户端 - 简化初始化
-    try:
-        # 直接使用最基本的参数初始化
-        client = OpenAI(
-            api_key=STEP_API_KEY,
-            base_url=BASE_URL,
-            # 不传递任何其他参数，避免版本兼容问题
-        )
-    except Exception as e:
-        # 如果失败，尝试通过环境变量
+    # 创建OpenAI客户端
+    client = create_client()
+    if client is None:
+        # 如果客户端创建失败，尝试直接使用 requests
         try:
-            os.environ['OPENAI_API_KEY'] = STEP_API_KEY
-            os.environ['OPENAI_BASE_URL'] = BASE_URL
-            # 清理可能导致问题的环境变量
-            for key in ['HTTP_PROXY', 'HTTPS_PROXY', 'http_proxy', 'https_proxy']:
-                if key in os.environ:
-                    del os.environ[key]
-            client = OpenAI()
-        except Exception as e2:
-            yield "", f"❌ 客户端初始化失败: {str(e)}"
-            return
+            import requests
+            
+            headers = {
+                "Authorization": f"Bearer {STEP_API_KEY}",
+                "Content-Type": "application/json"
+            }
+            
+            data = {
+                "model": model,
+                "messages": messages,
+                "temperature": temperature,
+                "max_tokens": max_tokens,
+                "stream": False
+            }
+            
+            response = requests.post(
+                f"{BASE_URL}/chat/completions",
+                headers=headers,
+                json=data,
+                timeout=60
+            )
+            
+            if response.status_code == 200:
+                result = response.json()
+                if result.get("choices") and result["choices"][0].get("message"):
+                    content = result["choices"][0]["message"]["content"]
+                    
+                    # 解析 reasoning 标记
+                    reasoning_content = ""
+                    final_answer = content
+                    
+                    if "<reasoning>" in content and "</reasoning>" in content:
+                        parts = content.split("<reasoning>")
+                        before = parts[0]
+                        after_reasoning = parts[1].split("</reasoning>")
+                        reasoning_content = after_reasoning[0]
+                        final_answer = before + after_reasoning[1] if len(after_reasoning) > 1 else before
+                    
+                    yield reasoning_content, final_answer
+                else:
+                    yield "", "❌ API 返回格式错误"
+            else:
+                yield "", f"❌ API 请求失败: {response.status_code}"
+                
+        except Exception as e:
+            yield "", f"❌ 请求失败: {str(e)}"
+        return
     
     try:
         # 记录开始时间

requirements.txt

@@ -1,4 +1,5 @@
 gradio==4.19.2
 openai>=1.0.0,<2.0.0
 Pillow>=10.0.0
-httpx>=0.24.0
+httpx>=0.24.0
+requests>=2.25.0