Adding Podman remote executor Fixes #816

Solving bug in Docker executor that makes test fail Fixes #815

docs/source/en/guided_tour.mdx

@@ -186,7 +186,7 @@ agent.run("Could you get me the title of the page at url 'https://huggingface.co
 
 The execution will stop at any code trying to perform an illegal operation or if there is a regular Python error with the code generated by the agent.
 
-You can also use [E2B code executor](https://e2b.dev/docs#what-is-e2-b) or Docker instead of a local Python interpreter. For E2B, first [set the `E2B_API_KEY` environment variable](https://e2b.dev/dashboard?tab=keys) and then pass `executor_type="e2b"` upon agent initialization. For Docker, pass `executor_type="docker"` during initialization.
+You can also use [E2B code executor](https://e2b.dev/docs#what-is-e2-b) or Docker or Podman instead of a local Python interpreter. For E2B, first [set the `E2B_API_KEY` environment variable](https://e2b.dev/dashboard?tab=keys) and then pass `executor_type="e2b"` upon agent initialization. For Docker, pass `executor_type="docker"` during initialization. For Podman, pass `executor_type="podman"` during initialization.
 
 
 > [!TIP]

pyproject.toml

@@ -36,6 +36,7 @@ docker = [
   "docker>=7.1.0",
   "websocket-client",
 ]
+
 e2b = [
   "e2b-code-interpreter>=1.0.3",
   "python-dotenv>=1.0.1",
@@ -56,6 +57,10 @@ mlx-lm = [
 openai = [
   "openai>=1.58.1"
 ]
+podman = [
+  "podman>=5.4.0",
+  "websocket-client",
+]
 telemetry = [
   "arize-phoenix",
   "opentelemetry-sdk", 
@@ -68,7 +73,7 @@ transformers = [
   "smolagents[torch]",
 ]
 all = [
-  "smolagents[audio,docker,e2b,gradio,litellm,mcp,openai,telemetry,transformers]",
+  "smolagents[audio,docker,e2b,gradio,litellm,mcp,openai,podman,telemetry,transformers]",
 ]
 quality = [
   "ruff>=0.9.0",

src/smolagents/agents.py

@@ -51,7 +51,7 @@
     LogLevel,
     Monitor,
 )
-from .remote_executors import DockerExecutor, E2BExecutor
+from .remote_executors import DockerExecutor, E2BExecutor, PodmanExecutor
 from .tools import Tool
 from .utils import (
     AgentError,
@@ -1129,7 +1129,7 @@ class CodeAgent(MultiStepAgent):
         grammar (`dict[str, str]`, *optional*): Grammar used to parse the LLM output.
         additional_authorized_imports (`list[str]`, *optional*): Additional authorized imports for the agent.
         planning_interval (`int`, *optional*): Interval at which the agent will run a planning step.
-        executor_type (`str`, default `"local"`): Which executor type to use between `"local"`, `"e2b"`, or `"docker"`.
+        executor_type (`str`, default `"local"`): Which executor type to use between `"local"`, `"e2b"`, `"docker"`, or `"podman"`.
         executor_kwargs (`dict`, *optional*): Additional arguments to pass to initialize the executor.
         max_print_outputs_length (`int`, *optional*): Maximum length of the print outputs.
         **kwargs: Additional keyword arguments.
@@ -1174,13 +1174,15 @@ def __init__(
 
     def create_python_executor(self, executor_type: str, kwargs: Dict[str, Any]) -> PythonExecutor:
         match executor_type:
-            case "e2b" | "docker":
+            case "e2b" | "docker" | "podman":
                 if self.managed_agents:
                     raise Exception("Managed agents are not yet supported with remote code execution.")
                 if executor_type == "e2b":
                     return E2BExecutor(self.additional_authorized_imports, self.logger, **kwargs)
-                else:
+                if executor_type == "docker":
                     return DockerExecutor(self.additional_authorized_imports, self.logger, **kwargs)
+                if executor_type == "podman":
+                    return PodmanExecutor(self.additional_authorized_imports, self.logger, **kwargs)
             case "local":
                 return LocalPythonExecutor(
                     self.additional_authorized_imports,