Merge pull request #6 from ai4curation/add-opencode-support

feat: Add support for opencode.ai

Author: cmungall

src/metacoder/coders/opencode.py

@@ -0,0 +1,73 @@
+import logging
+import shutil
+import subprocess
+import time
+from pathlib import Path
+
+from metacoder.coders.base_coder import (
+    BaseCoder,
+    CoderOutput,
+    change_directory,
+)
+from metacoder.configuration import ConfigFileRole
+
+logger = logging.getLogger(__name__)
+
+
+class OpencodeCoder(BaseCoder):
+    """
+    OpenCode.ai AI assistant integration.
+
+    Note: Requires opencode CLI to be installed.
+    """
+
+    @classmethod
+    def is_available(cls) -> bool:
+        """Check if opencode command is available."""
+        return shutil.which("opencode") is not None
+
+    @classmethod
+    def supports_mcp(cls) -> bool:
+        return False
+
+    @classmethod
+    def default_config_paths(cls) -> dict[Path, ConfigFileRole]:
+        return {
+            Path("AGENTS.md"): ConfigFileRole.PRIMARY_INSTRUCTION,
+        }
+
+    def run(self, input_text: str) -> CoderOutput:
+        """
+        Run opencode with the given input text.
+        """
+        self.prepare_workdir()
+        with change_directory(self.workdir):
+            command = ["opencode", "run", self.expand_prompt(input_text)]
+            if self.params and self.params.get("model"):
+                command.extend(["--model", self.params["model"]])
+
+            logger.info(f"Running command: {' '.join(command)}")
+            start_time = time.time()
+
+            try:
+                result = self.run_process(command)
+            except subprocess.CalledProcessError as e:
+                return CoderOutput(
+                    stdout=e.stdout or "",
+                    stderr=str(e),
+                    result_text=f"Error: {str(e)}",
+                    success=False,
+                )
+
+            end_time = time.time()
+            logger.info(f"Command took {end_time - start_time:.2f} seconds")
+
+            return CoderOutput(
+                stdout=result.stdout,
+                stderr=result.stderr,
+                result_text=result.stdout,
+                success=True,
+            )
+
+    def default_config_objects(self):
+        return []

src/metacoder/registry.py

@@ -8,6 +8,7 @@
 from metacoder.coders.codex import CodexCoder
 from metacoder.coders.dummy import DummyCoder
 from metacoder.coders.gemini import GeminiCoder
+from metacoder.coders.opencode import OpencodeCoder
 from metacoder.coders.qwen import QwenCoder
 
 
@@ -16,6 +17,7 @@
     "claude": ClaudeCoder,
     "codex": CodexCoder,
     "gemini": GeminiCoder,
+    "opencode": OpencodeCoder,
     "qwen": QwenCoder,
     "dummy": DummyCoder,
 }

tests/test_coders/test_coders_basic.py

@@ -12,6 +12,7 @@
 from metacoder.coders.gemini import GeminiCoder
 from metacoder.coders.codex import CodexCoder
 from metacoder.coders.dummy import DummyCoder
+from metacoder.coders.opencode import OpencodeCoder
 from metacoder.configuration import CoderConfig, AIModelConfig
 
 
@@ -23,6 +24,7 @@
     # ("qwen", QwenCoder), ## TODO: fix qwen
     ("codex", CodexCoder),
     ("dummy", DummyCoder),
+    ("opencode", OpencodeCoder),
 ]
 
 # Coders that require LLM access (all except dummy)