fix(python): mirror official Gemini hooks

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ZacharyZhang-NY committed 2026-07-20 08:19:11 -04:00
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from __future__ import annotations
from dataclasses import dataclass
from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
import json
import ntpath
import os
from pathlib import Path
import subprocess # nosec B404
import sys
from threading import Thread
from typing import Any, Mapping
import pytest
from elydora.plugins._jsonc import parse_jsonc
from elydora.plugins.gemini import GeminiPlugin
from elydora.utils import base64url_encode
AGENT_ID = "agent-1"
MISSING = object()
VALID_PRIVATE_KEY = base64url_encode(bytes(range(32)))
@dataclass
class GeminiFixture:
root_dir: Path
home_dir: Path
project_dir: Path
config_path: Path
agent_dir: Path
guard_path: Path
hook_path: Path
runtime_config_path: Path
private_key_path: Path
plugin: GeminiPlugin
config: dict[str, str]
def install(self) -> None:
self.plugin.install(self.config)
def source(self) -> str:
with self.config_path.open("r", encoding="utf-8", newline="") as file:
return file.read()
def settings(self) -> dict[str, Any]:
value = parse_jsonc(
self.source(),
f"Gemini CLI test settings at {self.config_path}",
allow_trailing_commas=False,
)
assert isinstance(value, dict)
return value
class ElydoraApiHandler(BaseHTTPRequestHandler):
agent_status: Any = "active"
operation_status = 201
requests: list[dict[str, Any]] = []
@classmethod
def reset(cls, status: Any, operation_status: int) -> None:
cls.agent_status = status
cls.operation_status = operation_status
cls.requests = []
def _respond(self, status: int, value: object) -> None:
body = json.dumps(value).encode()
self.send_response(status)
self.send_header("Content-Type", "application/json")
self.send_header("Content-Length", str(len(body)))
self.end_headers()
self.wfile.write(body)
def do_GET(self) -> None:
type(self).requests.append({
"method": "GET",
"path": self.path,
"authorization": self.headers.get("Authorization"),
})
self._respond(200, {"agent": {"status": type(self).agent_status}})
def do_POST(self) -> None:
length = int(self.headers.get("Content-Length", "0"))
raw = self.rfile.read(length)
type(self).requests.append({
"method": "POST",
"path": self.path,
"authorization": self.headers.get("Authorization"),
"raw": raw,
"json": json.loads(raw),
})
self._respond(
type(self).operation_status,
{"operation": {"accepted": True}},
)
def log_message(self, _format: str, *_args: object) -> None:
return
def start_api_server(
*, status: Any = "active", operation_status: int = 201
) -> ThreadingHTTPServer:
ElydoraApiHandler.reset(status, operation_status)
server = ThreadingHTTPServer(("127.0.0.1", 0), ElydoraApiHandler)
Thread(target=server.serve_forever, daemon=True).start()
return server
def server_base_url(server: ThreadingHTTPServer) -> str:
return f"http://127.0.0.1:{server.server_port}"
def write_text(path: Path, source: str, mode: int = 0o600) -> None:
path.parent.mkdir(parents=True, exist_ok=True)
path.write_text(source, encoding="utf-8", newline="")
os.chmod(path, mode)
def write_json(path: Path, value: object, mode: int = 0o600) -> None:
source = value if isinstance(value, str) else json.dumps(value, indent=2) + "\n"
write_text(path, source, mode)
def _settings_root(
home_dir: Path, project_dir: Path, override: object
) -> Path:
if override is MISSING or override == "":
return home_dir
configured = str(home_dir) if override is None else str(override)
value = Path(configured)
return value if value.is_absolute() else project_dir / value
def prepare_fixture(
monkeypatch: pytest.MonkeyPatch,
tmp_path: Path,
*,
existing_settings: object = MISSING,
base_url: str = "http://127.0.0.1:9",
gemini_home_override: object = None,
) -> GeminiFixture:
home_dir = tmp_path / "home with spaces and 'quote $GEMINI_CWD %GEMINI_CWD%"
project_dir = tmp_path / "project with spaces"
project_dir.mkdir(parents=True)
monkeypatch.setenv("HOME", str(home_dir))
monkeypatch.setenv("USERPROFILE", str(home_dir))
monkeypatch.chdir(project_dir)
if gemini_home_override is MISSING:
monkeypatch.delenv("GEMINI_CLI_HOME", raising=False)
else:
configured = (
str(home_dir)
if gemini_home_override is None
else str(gemini_home_override)
)
monkeypatch.setenv("GEMINI_CLI_HOME", configured)
config_path = (
_settings_root(home_dir, project_dir, gemini_home_override)
/ ".gemini"
/ "settings.json"
)
agent_dir = home_dir / ".elydora" / AGENT_ID
guard_path = agent_dir / "guard.py"
hook_path = agent_dir / "hook.py"
runtime_config_path = agent_dir / "config.json"
private_key_path = agent_dir / "private.key"
if existing_settings is not MISSING:
write_json(config_path, existing_settings)
return GeminiFixture(
root_dir=tmp_path,
home_dir=home_dir,
project_dir=project_dir,
config_path=config_path,
agent_dir=agent_dir,
guard_path=guard_path,
hook_path=hook_path,
runtime_config_path=runtime_config_path,
private_key_path=private_key_path,
plugin=GeminiPlugin(),
config={
"org_id": "org-1",
"agent_id": AGENT_ID,
"agent_name": "gemini",
"private_key": VALID_PRIVATE_KEY,
"kid": "key-1",
"token": "token-1",
"base_url": base_url,
"guard_script_path": str(guard_path),
},
)
def managed_handler(
settings: Mapping[str, Any], event: str, name: str
) -> dict[str, Any]:
for group in settings["hooks"][event]:
if set(group) != {"hooks"}:
continue
for handler in group["hooks"]:
if (
set(handler) == {"type", "name", "command", "timeout"}
and handler.get("type") == "command"
and handler.get("name") == name
and handler.get("timeout") == 10_000
):
return handler
raise AssertionError(f"managed handler for {event!r} not found")
def assert_managed_handler(
handler: Mapping[str, Any], name: str
) -> None:
assert set(handler) == {"type", "name", "command", "timeout"}
assert handler["type"] == "command"
assert handler["name"] == name
assert handler["timeout"] == 10_000
assert isinstance(handler["command"], str)
def run_handler(
handler: Mapping[str, Any], payload: bytes, fixture: GeminiFixture
) -> subprocess.CompletedProcess[bytes]:
environment = {
**os.environ,
"HOME": str(fixture.home_dir),
"USERPROFILE": str(fixture.home_dir),
"GEMINI_CLI_HOME": str(fixture.home_dir),
}
if os.name == "nt":
powershell = ntpath.join(
os.environ.get("SystemRoot", r"C:\Windows"),
"System32",
"WindowsPowerShell",
"v1.0",
"powershell.exe",
)
source = (
f'{handler["command"]}; '
"if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }"
)
command = [
powershell,
"-NoLogo",
"-NoProfile",
"-NonInteractive",
"-Command",
source,
]
else:
command = ["/bin/bash", "-c", str(handler["command"])]
return subprocess.run( # nosec B603
command,
input=payload,
capture_output=True,
check=False,
cwd=fixture.project_dir,
env=environment,
)
def legacy_handler(script_path: Path) -> dict[str, str]:
command = (
f'"{sys.executable}" {script_path}'
if script_path.name == "guard.py"
else str(script_path)
)
return {"type": "command", "command": command}
def symlink_or_skip(
target: Path, link: Path, *, directory: bool = False
) -> None:
try:
link.symlink_to(target, target_is_directory=directory)
except OSError as error:
pytest.skip(f"Symbolic links unavailable: {error}")