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#!/usr/bin/env python3
"""
Generate the Opencode Python SDK using openapi-python-client and place it under src/opencode_ai.
Steps:
- Generate OpenAPI JSON from the local CLI (bun dev generate)
- Run openapi-python-client (via `uvx` if available, else fallback to PATH)
- Copy the generated module into src/opencode_ai
Requires:
- Bun installed (for `bun dev generate`)
- uv installed (recommended) to run `uvx openapi-python-client`
"""
from __future__ import annotations
import argparse
import json
import shutil
import subprocess
import sys
from pathlib import Path
from urllib.request import urlopen
def run(cmd: list[str], cwd: Path | None = None) -> subprocess.CompletedProcess:
print("$", " ".join(cmd))
return subprocess.run(cmd, cwd=str(cwd) if cwd else None, check=True, capture_output=True, text=True)
def find_repo_root(start: Path) -> Path:
p = start
for _ in range(10):
if (p / ".git").exists() or (p / "sst.config.ts").exists():
return p
if p.parent == p:
break
p = p.parent
# Fallback: assume 4 levels up from scripts/
return start.parents[4]
def write_json(path: Path, content: str) -> None:
# Validate JSON before writing
json.loads(content)
path.write_text(content)
def main() -> int:
parser = argparse.ArgumentParser(description="Generate the Opencode Python SDK from OpenAPI spec.")
parser.add_argument(
"--source", choices=["cli", "server"], default="cli", help="Where to fetch the OpenAPI spec from"
)
parser.add_argument(
"--server-url",
default="http://localhost:4096/doc",
help="OpenAPI document URL when --source=server",
)
parser.add_argument(
"--out-spec",
default=None,
help="Output path for the OpenAPI spec (defaults to packages/sdk/python/openapi.json)",
)
parser.add_argument(
"--only-spec",
action="store_true",
help="Only fetch and write the OpenAPI spec without generating the client",
)
args = parser.parse_args()
script_dir = Path(__file__).resolve().parent
sdk_dir = script_dir.parent
repo_root = find_repo_root(script_dir)
opencode_dir = repo_root / "packages" / "opencode"
openapi_json = Path(args.out_spec) if args.out_spec else (sdk_dir / "openapi.json")
build_dir = sdk_dir / ".build"
out_pkg_dir = sdk_dir / "src" / "opencode_ai"
build_dir.mkdir(parents=True, exist_ok=True)
(sdk_dir / "src").mkdir(parents=True, exist_ok=True)
# 1) Obtain OpenAPI spec
if args.source == "server":
print(f"Fetching OpenAPI spec from {args.server_url} ...")
try:
with urlopen(args.server_url) as resp:
if resp.status != 200:
print(f"ERROR: GET {args.server_url} -> HTTP {resp.status}", file=sys.stderr)
return 1
text = resp.read().decode("utf-8")
except Exception as e:
print(f"ERROR: Failed to fetch from server: {e}", file=sys.stderr)
return 1
try:
write_json(openapi_json, text)
except json.JSONDecodeError as je:
print("ERROR: Response from server was not valid JSON:", file=sys.stderr)
print(str(je), file=sys.stderr)
return 1
print(f"Wrote OpenAPI spec to {openapi_json}")
else:
print("Generating OpenAPI spec via 'bun dev generate' ...")
try:
proc = run(["bun", "dev", "generate"], cwd=opencode_dir)
except subprocess.CalledProcessError as e:
print(e.stdout)
print(e.stderr, file=sys.stderr)
print(
"ERROR: Failed to run 'bun dev generate'. Ensure Bun is installed and available in PATH.",
file=sys.stderr,
)
return 1
try:
write_json(openapi_json, proc.stdout)
except json.JSONDecodeError as je:
print("ERROR: Output from 'bun dev generate' was not valid JSON:", file=sys.stderr)
print(str(je), file=sys.stderr)
return 1
print(f"Wrote OpenAPI spec to {openapi_json}")
if args.only_spec:
print("Spec written; skipping client generation (--only-spec).")
return 0
# 2) Run openapi-python-client
print("Running openapi-python-client generate ...")
# Prefer uvx if available
use_uvx = shutil.which("uvx") is not None
cmd = (["uvx", "openapi-python-client", "generate"] if use_uvx else ["openapi-python-client", "generate"]) + [
"--path",
str(openapi_json),
"--output-path",
str(build_dir),
"--overwrite",
"--config",
str(sdk_dir / "openapi-python-client.yaml"),
]
try:
run(cmd, cwd=sdk_dir)
except subprocess.CalledProcessError as e:
print(e.stdout)
print(e.stderr, file=sys.stderr)
print(
"ERROR: Failed to run openapi-python-client. Install uv and try again: curl -LsSf https://astral.sh/uv/install.sh | sh",
file=sys.stderr,
)
return 1
# 3) Locate generated module directory and copy to src/opencode_ai
generated_module: Path | None = None
for candidate in build_dir.rglob("__init__.py"):
if candidate.parent.name.startswith("."):
continue
siblings = {p.name for p in candidate.parent.glob("*.py")}
if "client.py" in siblings or "api_client.py" in siblings:
generated_module = candidate.parent
break
if not generated_module:
print("ERROR: Could not locate generated module directory in .build", file=sys.stderr)
return 1
print(f"Found generated module at {generated_module}")
# Clean target then copy
if out_pkg_dir.exists():
shutil.rmtree(out_pkg_dir)
shutil.copytree(generated_module, out_pkg_dir)
# Inject local extras from template if present
extras_template = sdk_dir / "templates" / "extras.py"
if extras_template.exists():
(out_pkg_dir / "extras.py").write_text(extras_template.read_text())
# Patch __init__ to export OpenCodeClient if present
init_path = out_pkg_dir / "__init__.py"
if init_path.exists() and (out_pkg_dir / "extras.py").exists():
init_text = (
'"""A client library for accessing opencode\n\n'
"This package is generated by openapi-python-client.\n"
"A thin convenience wrapper `OpenCodeClient` is also provided.\n"
'"""\n\n'
"from .client import AuthenticatedClient, Client\n"
"from .extras import OpenCodeClient\n\n"
"__all__ = (\n"
' "AuthenticatedClient",\n'
' "Client",\n'
' "OpenCodeClient",\n'
")\n"
)
init_path.write_text(init_text)
print(f"Copied generated client to {out_pkg_dir}")
# 4) Format generated code
try:
run(["uv", "run", "--project", str(sdk_dir), "ruff", "check", "--select", "I", "--fix", str(out_pkg_dir)])
run(["uv", "run", "--project", str(sdk_dir), "black", str(out_pkg_dir)])
except subprocess.CalledProcessError as e:
print("WARNING: formatting failed; continuing", file=sys.stderr)
print(e.stdout)
print(e.stderr, file=sys.stderr)
print("Done.")
return 0
if __name__ == "__main__":
raise SystemExit(main())
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