Create app.py

app.py

@@ -0,0 +1,74 @@
+import streamlit as st
+import openai
+import google.generativeai as genai
+
+# --------------------------
+# 1. Page Configuration
+# --------------------------
+st.set_page_config(page_title="AI-Powered Code Reviewer", layout="wide")
+st.title("🐍 AI-Powered Python Code Reviewer")
+
+# --------------------------
+# 2. Sidebar API Selection
+# --------------------------
+st.sidebar.header("⚙️ Settings")
+
+api_choice = st.sidebar.radio("Choose API:", ["OpenAI", "Google Gemini"])
+
+if api_choice == "OpenAI":
+    api_key = st.sidebar.text_input("Enter OpenAI API Key", type="password")
+    if api_key:
+        openai.api_key = api_key
+else:
+    api_key = st.sidebar.text_input("Enter Google API Key", type="password")
+    if api_key:
+        genai.configure(api_key=api_key)
+
+# --------------------------
+# 3. User Code Input
+# --------------------------
+st.subheader("✍️ Enter Your Python Code")
+user_code = st.text_area("Paste Python code here:", height=300)
+
+# --------------------------
+# 4. Code Review Function
+# --------------------------
+def review_code_with_openai(code):
+    response = openai.ChatCompletion.create(
+        model="gpt-4o-mini",   # You can change model (gpt-4o, gpt-4o-mini)
+        messages=[
+            {"role": "system", "content": "You are a Python code reviewer. Identify bugs and suggest fixes."},
+            {"role": "user", "content": f"Review this Python code:\n{code}"}
+        ],
+        temperature=0.3,
+    )
+    return response["choices"][0]["message"]["content"]
+
+def review_code_with_gemini(code):
+    model = genai.GenerativeModel("gemini-2.5-pro")
+    response = model.generate_content(
+        f"Review this Python code, detect bugs, and suggest fixes with corrected code:\n{code}"
+    )
+    return response.text
+
+# --------------------------
+# 5. Run Code Review
+# --------------------------
+if st.button("🔍 Review Code"):
+    if not user_code.strip():
+        st.warning("⚠️ Please enter some Python code first.")
+    elif not api_key:
+        st.error("❌ Please enter your API key in the sidebar.")
+    else:
+        with st.spinner("Analyzing your code..."):
+            try:
+                if api_choice == "OpenAI":
+                    feedback = review_code_with_openai(user_code)
+                else:
+                    feedback = review_code_with_gemini(user_code)
+                
+                st.subheader("📢 Review Feedback & Fixes")
+                st.write(feedback)
+
+            except Exception as e:
+                st.error(f"Error: {str(e)}")