🐍 Python Learning Buddy

\n setTopic(e.target.value)}\n placeholder=\"Enter Python topic (e.g., lists, functions, classes)\"\n style={styles.input}\n />\n \n

\n {error && (\n

⚠️ {error}

\n )}\n {explanation && (\n

Explanation:

{explanation}

\n )}\n \n

\n );\n}\n\nconst styles = {\n container: {\n fontFamily: 'Arial, sans-serif',\n maxWidth: '800px',\n margin: '0 auto',\n padding: '20px',\n backgroundColor: '#f0f4f8',\n borderRadius: '10px',\n boxShadow: '0 4px 6px rgba(0,0,0,0.1)'\n },\n title: {\n textAlign: 'center',\n color: '#2c3e50',\n marginBottom: '20px'\n },\n inputContainer: {\n display: 'flex',\n marginBottom: '20px'\n },\n input: {\n flex: 1,\n padding: '10px',\n fontSize: '16px',\n borderRadius: '5px',\n border: '1px solid #3498db',\n marginRight: '10px'\n },\n button: {\n padding: '10px 15px',\n backgroundColor: '#3498db',\n color: 'white',\n border: 'none',\n borderRadius: '5px',\n cursor: 'pointer'\n },\n explanationContainer: {\n backgroundColor: 'white',\n padding: '15px',\n borderRadius: '5px',\n boxShadow: '0 2px 4px rgba(0,0,0,0.1)'\n },\n explanation: {\n whiteSpace: 'pre-wrap',\n fontFamily: 'monospace',\n fontSize: '14px',\n lineHeight: '1.6'\n },\n errorContainer: {\n backgroundColor: '#ffebee',\n color: '#d32f2f',\n padding: '10px',\n borderRadius: '5px',\n marginBottom: '20px'\n },\n error: {\n margin: 0,\n textAlign: 'center'\n },\n footer: {\n marginTop: '20px',\n textAlign: 'center'\n },\n sourceLink: {\n color: '#3498db',\n textDecoration: 'none'\n }\n};\n\nfunction client() {\n createRoot(document.getElementById(\"root\")).render();\n}\nif (typeof document !== \"undefined\") { client(); }\n\nexport default async function server(request: Request): Promise {\n // Log the incoming request for debugging\n console.log('Incoming request:', request.method, request.url);\n\n // Handle Python help generation endpoint\n if (request.method === 'POST') {\n try {\n // Parse the request body\n const requestBody = await request.text();\n console.log('Request body:', requestBody);\n \n const { topic } = JSON.parse(requestBody);\n console.log('Parsed topic:', topic);\n \n // Dynamically import OpenAI with error handling\n let OpenAI;\n try {\n const module = await import(\"https://esm.town/v/std/openai\");\n OpenAI = module.OpenAI;\n } catch (importError) {\n console.error('OpenAI import error:', importError);\n return new Response(JSON.stringify({\n error: `Failed to import OpenAI: ${importError.message}`\n }), {\n status: 500,\n headers: { 'Content-Type': 'application/json' }\n });\n }\n\n // Create OpenAI instance\n const openai = new OpenAI();\n\n // Generate explanation\n const completion = await openai.chat.completions.create({\n messages: [\n { \n role: \"system\", \n content: \"You are a friendly Python coding tutor who explains programming concepts in a beginner-friendly way. Provide a clear explanation, a simple example, and a practical use case.\" \n },\n { \n role: \"user\", \n content: `Explain Python ${topic} for a complete beginner. Break down the concept simply and provide a practical coding example.` \n }\n ],\n model: \"gpt-4o-mini\",\n max_tokens: 500\n });\n\n // Return the explanation\n return new Response(JSON.stringify({\n explanation: completion.choices[0].message.content || 'No explanation available'\n }), {\n headers: { \n 'Content-Type': 'application/json',\n 'Access-Control-Allow-Origin': '*',\n 'Access-Control-Allow-Methods': 'POST',\n 'Access-Control-Allow-Headers': 'Content-Type'\n }\n });\n } catch (error) {\n console.error('Server-side error:', error);\n return new Response(JSON.stringify({\n error: `Failed to generate explanation: ${error.message}`\n }), {\n status: 500,\n headers: { \n 'Content-Type': 'application/json',\n 'Access-Control-Allow-Origin': '*'\n }\n });\n }\n }\n\n // Handle CORS preflight requests\n if (request.method === 'OPTIONS') {\n return new Response(null, {\n headers: {\n 'Access-Control-Allow-Origin': '*',\n 'Access-Control-Allow-Methods': 'POST',\n 'Access-Control-Allow-Headers': 'Content-Type'\n }\n });\n }\n\n // Serve the main HTML\n return new Response(`\n \n \n Python Learning Buddy\n \n \n \n

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