Upload 2 files

pyproject.toml

@@ -0,0 +1,21 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "logisticsflow-openenv"
+version = "0.1.0"
+description = "A real-world OpenEnv simulation."
+readme = "README.md"
+requires-python = ">=3.10"
+dependencies = [
+    "fastapi",
+    "uvicorn",
+    "pydantic",
+    "openai",
+    "requests",
+    "openenv-core>=0.2.0"
+]
+
+[project.scripts]
+server = "server.app:main"

server/app.py

@@ -0,0 +1,83 @@
+from fastapi import FastAPI
+from fastapi.responses import HTMLResponse
+from pydantic import BaseModel
+from typing import Optional
+import json
+
+from app.env import LogisticsEnv
+from app.models import Action
+
+app = FastAPI(title="LogisticsFlow OpenEnv")
+env = LogisticsEnv()
+
+# This tells the server it can accept a JSON body for the reset command
+class ResetConfig(BaseModel):
+    level: str = "easy"
+
+# --- THE DASHBOARD ---
+@app.get("/", response_class=HTMLResponse)
+def read_root():
+    # We grab the current state to display on the dashboard
+    current_state = env.state().model_dump()
+    state_json = json.dumps(current_state, indent=4)
+    
+    return f"""
+    <html>
+        <head>
+            <title>LogisticsFlow Playground</title>
+            <style>
+                body {{ font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; background-color: #0d1117; color: #c9d1d9; padding: 2rem; }}
+                .container {{ max-width: 800px; margin: auto; background: #161b22; padding: 30px; border-radius: 12px; border: 1px solid #30363d; }}
+                h1 {{ color: #58a6ff; margin-top: 0; }}
+                h3 {{ color: #2ea043; }}
+                pre {{ background: #010409; padding: 15px; border-radius: 8px; overflow-x: auto; border: 1px solid #30363d; color: #79c0ff; }}
+                .badge {{ background: #238636; color: white; padding: 4px 8px; border-radius: 2em; font-size: 12px; font-weight: bold; }}
+            </style>
+        </head>
+        <body>
+            <div class="container">
+                <h1>📦 LogisticsFlow Environment <span class="badge">ONLINE</span></h1>
+                <p>This is a headless OpenEnv API for AI Agent Evaluation. The environment simulates a dynamic supply chain.</p>
+                <hr style="border-color: #30363d; margin: 20px 0;">
+                <h3>📡 API Endpoints</h3>
+                <ul>
+                    <li><code>POST /reset</code> - Initialize a new episode (Pass <code>{{"level": "hard"}}</code> to test out-of-stock crises).</li>
+                    <li><code>POST /step</code> - Execute an <code>Action</code> (ship, restock).</li>
+                    <li><code>GET /state</code> - Retrieve the current environment state.</li>
+                </ul>
+                <h3>📊 Live World State:</h3>
+                <pre><code>{state_json}</code></pre>
+            </div>
+        </body>
+    </html>
+    """
+
+# --- THE OPENENV REQUIRED ENDPOINTS ---
+
+# FIXED: Now accepts POST requests to pass the automated Validation Script
+@app.post("/reset")
+def reset_env_post(config: Optional[ResetConfig] = None):
+    level = config.level if config else "easy"
+    return env.reset(level)
+
+# Kept the GET version just in case you want to test it in your browser URL bar
+@app.get("/reset/{level}")
+def reset_env_get(level: str):
+    return env.reset(level)
+
+@app.post("/step")
+def step_env(action: Action):
+    obs, reward, done, info = env.step(action)
+    return {"observation": obs, "reward": reward, "done": done, "info": info}
+
+@app.get("/state")
+def get_state():
+    return env.state()
+
+# --- THE OPENENV MULTI-MODE ENTRY POINT ---
+def main():
+    import uvicorn
+    uvicorn.run("server.app:app", host="0.0.0.0", port=7860)
+
+if __name__ == "__main__":
+    main()