File size: 9,803 Bytes
c47c81c
6cbd2ef
c47c81c
6cbd2ef
 
 
 
 
 
c47c81c
 
 
 
 
 
6cbd2ef
 
 
c47c81c
 
 
 
 
 
 
 
 
 
6cbd2ef
 
 
 
 
c47c81c
 
 
6cbd2ef
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
c47c81c
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
6cbd2ef
c47c81c
 
 
 
 
 
 
 
 
 
 
 
 
 
 
6cbd2ef
 
c47c81c
 
6cbd2ef
c47c81c
 
 
 
6cbd2ef
 
 
c47c81c
6cbd2ef
c47c81c
 
 
 
6cbd2ef
 
c47c81c
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
"""
CodeSensei — OpenEnv-Compatible Client.

Provides both sync and async clients that connect to the CodeDebug
environment server. Supports the standard OpenEnv patterns:
  - CodeSenseiEnv.from_docker_image(image_name)
  - await env.reset()  -> StepResult
  - await env.step(action) -> StepResult
  - await env.close()
"""

from __future__ import annotations

import json
import asyncio
import subprocess
import time
import uuid
from dataclasses import dataclass
from typing import Optional, List

try:
    import websockets
    import websockets.sync.client as ws_sync
except ImportError:
    websockets = None  # type: ignore
    ws_sync = None  # type: ignore

try:
    import aiohttp
except ImportError:
    aiohttp = None  # type: ignore

from env.models import CodeDebugAction, CodeDebugObservation, TestResult


# ---------------------------------------------------------------------------
# Result wrapper — matches OpenEnv pattern: result.observation, result.reward, result.done
# ---------------------------------------------------------------------------
@dataclass
class StepResult:
    """Wrapper returned by reset() and step() to match the OpenEnv pattern."""
    observation: CodeDebugObservation
    reward: float = 0.0
    done: bool = False


# ---------------------------------------------------------------------------
# Async client — matches the sample inference script pattern
# ---------------------------------------------------------------------------
class CodeSenseiEnv:
    """Async OpenEnv-compatible client for the CodeDebug environment.

    Usage (matches sample inference script):
        env = await CodeSenseiEnv.from_docker_image(IMAGE_NAME)
        result = await env.reset()
        result = await env.step(CodeSenseiAction(proposed_fix="..."))
        await env.close()
    """

    def __init__(self, base_url: str):
        self.base_url = base_url.rstrip("/")
        self._session_id: str = ""
        self._container_id: Optional[str] = None

    @classmethod
    async def from_docker_image(cls, image_name: Optional[str] = None) -> "CodeSenseiEnv":
        """Start the environment from a Docker image (OpenEnv standard).

        If image_name is provided, starts a Docker container and connects.
        If image_name is None, connects to localhost:7860 (for local dev).
        """
        if image_name:
            # Start Docker container
            port = 7860
            container_id = subprocess.check_output(
                [
                    "docker", "run", "-d", "--rm",
                    "-p", f"{port}:{port}",
                    image_name,
                ],
                text=True,
            ).strip()

            # Wait for container to be ready
            base_url = f"http://localhost:{port}"
            env = cls(base_url)
            env._container_id = container_id

            # Poll health endpoint
            for _ in range(60):
                try:
                    if aiohttp:
                        async with aiohttp.ClientSession() as session:
                            async with session.get(f"{base_url}/health", timeout=aiohttp.ClientTimeout(total=2)) as resp:
                                if resp.status == 200:
                                    return env
                    else:
                        import urllib.request
                        urllib.request.urlopen(f"{base_url}/health", timeout=2)
                        return env
                except Exception:
                    await asyncio.sleep(1)

            raise RuntimeError(f"Docker container {image_name} did not become healthy in 60s")
        else:
            # No image — connect to local server
            return cls("http://localhost:7860")

    async def reset(self) -> StepResult:
        """Start a new debugging episode."""
        self._session_id = str(uuid.uuid4())
        data = await self._post("/reset", {"session_id": self._session_id})
        self._session_id = data.get("session_id", self._session_id)
        obs = self._parse_observation(data)
        return StepResult(observation=obs, reward=0.0, done=False)

    async def step(self, action: CodeDebugAction) -> StepResult:
        """Submit a proposed code fix."""
        data = await self._post("/step", {
            "proposed_fix": action.proposed_fix,
            "session_id": self._session_id,
        })
        obs = self._parse_observation(data)
        return StepResult(observation=obs, reward=obs.reward, done=obs.done)

    async def state(self) -> dict:
        """Get current episode state."""
        return await self._get(f"/state?session_id={self._session_id}")

    async def close(self) -> None:
        """Clean up: stop Docker container if we started one."""
        if self._container_id:
            try:
                subprocess.run(
                    ["docker", "stop", self._container_id],
                    capture_output=True, timeout=30,
                )
            except Exception:
                pass
            self._container_id = None

    # --- HTTP helpers ---

    async def _post(self, path: str, payload: dict) -> dict:
        url = f"{self.base_url}{path}"
        if aiohttp:
            async with aiohttp.ClientSession() as session:
                async with session.post(url, json=payload, timeout=aiohttp.ClientTimeout(total=30)) as resp:
                    return await resp.json()
        else:
            import urllib.request
            req = urllib.request.Request(
                url,
                data=json.dumps(payload).encode(),
                headers={"Content-Type": "application/json"},
            )
            with urllib.request.urlopen(req, timeout=30) as resp:
                return json.loads(resp.read().decode())

    async def _get(self, path: str) -> dict:
        url = f"{self.base_url}{path}"
        if aiohttp:
            async with aiohttp.ClientSession() as session:
                async with session.get(url, timeout=aiohttp.ClientTimeout(total=30)) as resp:
                    return await resp.json()
        else:
            import urllib.request
            with urllib.request.urlopen(url, timeout=30) as resp:
                return json.loads(resp.read().decode())

    # --- Parse ---

    @staticmethod
    def _parse_observation(data: dict) -> CodeDebugObservation:
        test_results = [
            TestResult(
                test_name=tr.get("test_name", ""),
                passed=tr.get("passed", False),
                error_message=tr.get("error_message", ""),
            )
            for tr in data.get("test_results", [])
        ]
        return CodeDebugObservation(
            buggy_code=data.get("buggy_code", ""),
            current_code=data.get("current_code", ""),
            error_output=data.get("error_output", ""),
            test_results=test_results,
            tests_passed=data.get("tests_passed", 0),
            tests_total=data.get("tests_total", 0),
            reward=data.get("reward", 0.0),
            done=data.get("done", False),
            attempt=data.get("attempt", 0),
            max_attempts=data.get("max_attempts", 6),
            feedback=data.get("feedback", ""),
        )


# ---------------------------------------------------------------------------
# Sync client (kept for backward compat / training)
# ---------------------------------------------------------------------------
class CodeDebugEnv:
    """Synchronous WebSocket client for the CodeDebug OpenEnv.

    Usage:
        env = CodeDebugEnv(base_url="wss://your-space.hf.space")
        obs = env.reset()
        obs = env.step("def add(a, b):\\n    return a + b")
    """

    def __init__(self, base_url: str):
        self.base_url = self._to_ws_url(base_url)
        self._ws = None
        self._session_id: str = ""

    def connect(self):
        if ws_sync is None:
            raise ImportError("websockets is required. pip install websockets")
        ws_url = f"{self.base_url}/ws"
        self._ws = ws_sync.connect(ws_url)
        return self

    def close(self):
        if self._ws:
            self._ws.close()
            self._ws = None

    def reset(self, session_id: str = "") -> CodeDebugObservation:
        if self._ws is None:
            self.connect()
        msg = {"type": "reset"}
        if session_id:
            msg["session_id"] = session_id
        self._ws.send(json.dumps(msg))
        raw = self._ws.recv()
        data = json.loads(raw)
        self._session_id = data.get("session_id", session_id)
        return CodeSenseiEnv._parse_observation(data)

    def step(self, proposed_fix: str) -> CodeDebugObservation:
        if self._ws is None:
            raise RuntimeError("Not connected. Call connect() or reset() first.")
        msg = {"type": "step", "proposed_fix": proposed_fix}
        self._ws.send(json.dumps(msg))
        raw = self._ws.recv()
        data = json.loads(raw)
        return CodeSenseiEnv._parse_observation(data)

    def state(self) -> dict:
        if self._ws is None:
            raise RuntimeError("Not connected.")
        self._ws.send(json.dumps({"type": "state"}))
        raw = self._ws.recv()
        return json.loads(raw)

    @property
    def session_id(self) -> str:
        return self._session_id

    def __enter__(self):
        self.connect()
        return self

    def __exit__(self, *args):
        self.close()

    @staticmethod
    def _to_ws_url(url: str) -> str:
        url = url.rstrip("/")
        if url.startswith("https://"):
            return "wss://" + url[8:]
        elif url.startswith("http://"):
            return "ws://" + url[7:]
        elif url.startswith("wss://") or url.startswith("ws://"):
            return url
        else:
            return "ws://" + url