openenv: default template proj/ path and simplify prompt renderer signatures

environments/openenv_echo/openenv_echo.py

@@ -1,4 +1,3 @@
-from pathlib import Path
 from typing import Any, cast
 
 import verifiers as vf
@@ -10,9 +9,7 @@ def render_echo_prompt(
     *,
     action_schema: dict[str, Any] | None = None,
     context: str = "reset",
-    **kwargs: Any,
 ) -> ChatMessages:
-    del kwargs
     if not isinstance(observation, dict):
         raise RuntimeError(
             f"openenv-echo prompt renderer expected dict observation, got {type(observation).__name__}."
@@ -50,7 +47,6 @@ def load_environment(
     seed: int = 0,
 ):
     return vf.OpenEnvEnv(
-        openenv_project=Path(__file__).parent / "proj",
         num_train_examples=num_train_examples,
         num_eval_examples=num_eval_examples,
         seed=seed,

environments/openenv_textarena/openenv_textarena.py

@@ -1,4 +1,3 @@
-from pathlib import Path
 import re
 from typing import Any, cast
 
@@ -39,9 +38,7 @@ def render_textarena_prompt(
     observation: Any,
     *,
     context: str = "reset",
-    **kwargs: Any,
 ) -> ChatMessages:
-    del kwargs
     if not isinstance(observation, dict):
         raise RuntimeError(
             f"openenv-textarena prompt renderer expected dict observation, got {type(observation).__name__}."
@@ -72,7 +69,6 @@ def load_environment(
     seed: int = 0,
 ):
     return vf.OpenEnvEnv(
-        openenv_project=Path(__file__).parent / "proj",
         num_train_examples=num_train_examples,
         num_eval_examples=num_eval_examples,
         seed=seed,

verifiers/envs/integrations/README.md

@@ -161,13 +161,11 @@ uv run vf-build my-openenv
 
 ```python
 # environments/my_openenv/my_openenv.py
-from pathlib import Path
 from typing import Any
 import verifiers as vf
 from verifiers.envs.integrations.openenv_env import OpenEnvEnv
 
-def render_prompt(observation: Any, **kwargs: Any) -> list[dict[str, str]]:
-    del kwargs
+def render_prompt(observation: Any) -> list[dict[str, str]]:
     if not isinstance(observation, dict):
         raise RuntimeError("Expected dict observation")
     prompt = observation.get("prompt")
@@ -181,7 +179,6 @@ def load_environment(
     seed: int = 0,
 ) -> vf.Environment:
     return OpenEnvEnv(
-        openenv_project=Path(__file__).parent / "proj",
         prompt_renderer=render_prompt,
         num_train_examples=num_train_examples,
         num_eval_examples=num_eval_examples,

verifiers/envs/integrations/openenv_env.py

@@ -74,7 +74,7 @@ class OpenEnvEnv(vf.MultiTurnEnv):
 
     def __init__(
         self,
-        openenv_project: str | Path,
+        openenv_project: str | Path | None = None,
         num_train_examples: int = 100,
         num_eval_examples: int = 50,
         seed: int = 0,
@@ -93,7 +93,7 @@ def __init__(
         jitter: float = 1e-3,
         **kwargs: Any,
     ):
-        self.openenv_project = str(openenv_project)
+        self.openenv_project = self._resolve_openenv_project(openenv_project)
         self.num_train_examples = num_train_examples
         self.num_eval_examples = num_eval_examples
         self.seed = seed
@@ -139,6 +139,18 @@ def __init__(
             **kwargs,
         )
 
+    def _resolve_openenv_project(self, openenv_project: str | Path | None) -> str:
+        if openenv_project is not None:
+            return str(openenv_project)
+
+        current_file = Path(__file__).resolve()
+        for frame_info in inspect.stack()[1:]:
+            frame_path = Path(frame_info.filename).resolve()
+            if frame_path != current_file:
+                return str(frame_path.parent / "proj")
+
+        return str(Path.cwd() / "proj")
+
     async def start_server(
         self,
         address: str | None = None,

verifiers/scripts/init.py

@@ -151,14 +151,12 @@ def load_environment(**kwargs) -> vf.Environment:
 '''
 
 OPENENV_ENVIRONMENT_TEMPLATE = """\
-from pathlib import Path
 from typing import Any
 
 import verifiers as vf
 
 
-def render_prompt(observation: Any, **kwargs: Any) -> list[dict[str, Any]]:
-    del kwargs
+def render_prompt(observation: Any) -> list[dict[str, Any]]:
     if isinstance(observation, dict):
         messages = observation.get("messages")
         if isinstance(messages, list) and messages:
@@ -178,7 +176,6 @@ def load_environment(
     seed: int = 0,
 ):
     return vf.OpenEnvEnv(
-        openenv_project=Path(__file__).parent / "proj",
         num_train_examples=num_train_examples,
         num_eval_examples=num_eval_examples,
         seed=seed,