feat: 完成工作流调度与上传下载 API
This commit is contained in:
cat-shark
@@ -0,0 +1,382 @@
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from __future__ import annotations
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import json
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import sqlite3
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from contextlib import contextmanager
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from pathlib import Path
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from typing import Any, Iterator
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from wov_sdk.models import NodeManifest
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class Database:
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def __init__(self, path: Path) -> None:
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self.path = path
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self.path.parent.mkdir(parents=True, exist_ok=True)
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self._init_schema()
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@contextmanager
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def _connect(self) -> Iterator[sqlite3.Connection]:
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conn = sqlite3.connect(self.path)
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conn.row_factory = sqlite3.Row
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conn.execute("PRAGMA foreign_keys = ON")
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try:
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yield conn
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conn.commit()
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finally:
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conn.close()
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def _init_schema(self) -> None:
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with self._connect() as conn:
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conn.executescript(
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"""
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CREATE TABLE IF NOT EXISTS nodes (
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id TEXT PRIMARY KEY,
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name TEXT NOT NULL,
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version TEXT NOT NULL,
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capability TEXT NOT NULL,
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manifest_json TEXT NOT NULL,
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created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE IF NOT EXISTS node_instances (
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id TEXT PRIMARY KEY,
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node_id TEXT NOT NULL,
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status TEXT NOT NULL,
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pid INTEGER,
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address TEXT,
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started_at TEXT,
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last_used_at TEXT,
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busy_since TEXT,
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error TEXT,
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FOREIGN KEY(node_id) REFERENCES nodes(id)
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);
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CREATE TABLE IF NOT EXISTS workflows (
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id TEXT PRIMARY KEY,
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name TEXT NOT NULL,
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description TEXT NOT NULL DEFAULT '',
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published INTEGER NOT NULL DEFAULT 0,
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latest_version INTEGER NOT NULL DEFAULT 0,
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created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
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);
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CREATE TABLE IF NOT EXISTS workflow_versions (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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workflow_id TEXT NOT NULL,
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version INTEGER NOT NULL,
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definition_json TEXT NOT NULL,
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created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(workflow_id, version),
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FOREIGN KEY(workflow_id) REFERENCES workflows(id)
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);
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CREATE TABLE IF NOT EXISTS workflow_runs (
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id TEXT PRIMARY KEY,
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workflow_id TEXT NOT NULL,
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workflow_version INTEGER NOT NULL,
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status TEXT NOT NULL,
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current_node_id TEXT,
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progress REAL NOT NULL DEFAULT 0,
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error TEXT,
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input_uri TEXT,
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created_at TEXT NOT NULL,
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updated_at TEXT NOT NULL,
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FOREIGN KEY(workflow_id) REFERENCES workflows(id)
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);
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CREATE TABLE IF NOT EXISTS artifacts (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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run_id TEXT NOT NULL,
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node_id TEXT NOT NULL,
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name TEXT NOT NULL,
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uri TEXT NOT NULL,
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mime_type TEXT NOT NULL DEFAULT '',
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size INTEGER NOT NULL DEFAULT 0,
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created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP,
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UNIQUE(run_id, name),
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FOREIGN KEY(run_id) REFERENCES workflow_runs(id)
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);
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"""
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)
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def upsert_node(self, manifest: NodeManifest) -> None:
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with self._connect() as conn:
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conn.execute(
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"""
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INSERT INTO nodes (id, name, version, capability, manifest_json)
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VALUES (?, ?, ?, ?, ?)
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ON CONFLICT(id) DO UPDATE SET
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name = excluded.name,
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version = excluded.version,
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capability = excluded.capability,
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manifest_json = excluded.manifest_json
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""",
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(
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manifest.id,
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manifest.name,
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manifest.version,
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manifest.capability,
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json.dumps(manifest.to_dict(), ensure_ascii=False),
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),
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)
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def get_node(self, node_id: str) -> NodeManifest | None:
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with self._connect() as conn:
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row = conn.execute("SELECT manifest_json FROM nodes WHERE id = ?", (node_id,)).fetchone()
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if row is None:
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return None
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return NodeManifest.from_dict(json.loads(row["manifest_json"]))
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def list_nodes(self) -> list[NodeManifest]:
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with self._connect() as conn:
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rows = conn.execute("SELECT manifest_json FROM nodes ORDER BY id").fetchall()
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return [NodeManifest.from_dict(json.loads(row["manifest_json"])) for row in rows]
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def delete_node(self, node_id: str) -> None:
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with self._connect() as conn:
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conn.execute("DELETE FROM node_instances WHERE node_id = ?", (node_id,))
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conn.execute("DELETE FROM nodes WHERE id = ?", (node_id,))
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def upsert_instance(self, instance: dict[str, Any]) -> None:
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with self._connect() as conn:
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conn.execute(
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"""
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INSERT INTO node_instances (
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id, node_id, status, pid, address, started_at, last_used_at,
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busy_since, error
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)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
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ON CONFLICT(id) DO UPDATE SET
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status = excluded.status,
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pid = excluded.pid,
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address = excluded.address,
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started_at = excluded.started_at,
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last_used_at = excluded.last_used_at,
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busy_since = excluded.busy_since,
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error = excluded.error
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""",
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(
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instance["id"],
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instance["node_id"],
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instance["status"],
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instance.get("pid"),
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instance.get("address"),
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instance.get("started_at"),
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instance.get("last_used_at"),
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instance.get("busy_since"),
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instance.get("error"),
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),
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)
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def list_instances(self) -> list[dict[str, Any]]:
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with self._connect() as conn:
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rows = conn.execute(
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"SELECT * FROM node_instances ORDER BY started_at DESC"
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).fetchall()
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return [dict(row) for row in rows]
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def delete_instance(self, instance_id: str) -> None:
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with self._connect() as conn:
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conn.execute("DELETE FROM node_instances WHERE id = ?", (instance_id,))
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def upsert_workflow(self, workflow: dict[str, Any]) -> None:
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with self._connect() as conn:
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conn.execute(
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"""
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INSERT INTO workflows (id, name, description, published, latest_version)
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VALUES (?, ?, ?, ?, ?)
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ON CONFLICT(id) DO UPDATE SET
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name = excluded.name,
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description = excluded.description,
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published = excluded.published,
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latest_version = excluded.latest_version
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""",
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(
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workflow["id"],
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workflow["name"],
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workflow.get("description", ""),
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int(workflow.get("published", 0)),
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int(workflow.get("latest_version", 0)),
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),
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)
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def get_workflow(self, workflow_id: str) -> dict[str, Any] | None:
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with self._connect() as conn:
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row = conn.execute("SELECT * FROM workflows WHERE id = ?", (workflow_id,)).fetchone()
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return dict(row) if row else None
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def list_workflows(self) -> list[dict[str, Any]]:
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with self._connect() as conn:
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rows = conn.execute("SELECT * FROM workflows ORDER BY created_at DESC").fetchall()
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return [dict(row) for row in rows]
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def delete_workflow(self, workflow_id: str) -> None:
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with self._connect() as conn:
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conn.execute("DELETE FROM artifacts WHERE run_id IN (SELECT id FROM workflow_runs WHERE workflow_id = ?)", (workflow_id,))
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conn.execute("DELETE FROM workflow_runs WHERE workflow_id = ?", (workflow_id,))
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conn.execute("DELETE FROM workflow_versions WHERE workflow_id = ?", (workflow_id,))
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conn.execute("DELETE FROM workflows WHERE id = ?", (workflow_id,))
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def create_workflow_version(self, workflow_id: str, version: int, definition: dict[str, Any]) -> None:
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with self._connect() as conn:
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conn.execute(
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"""
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INSERT INTO workflow_versions (workflow_id, version, definition_json)
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VALUES (?, ?, ?)
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""",
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(workflow_id, version, json.dumps(definition, ensure_ascii=False)),
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)
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def get_latest_workflow_version(self, workflow_id: str) -> dict[str, Any] | None:
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with self._connect() as conn:
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row = conn.execute(
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"""
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SELECT * FROM workflow_versions
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WHERE workflow_id = ?
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ORDER BY version DESC
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LIMIT 1
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""",
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(workflow_id,),
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).fetchone()
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if row is None:
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return None
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result = dict(row)
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result["definition"] = json.loads(result.pop("definition_json"))
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return result
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def get_workflow_version(self, workflow_id: str, version: int) -> dict[str, Any] | None:
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with self._connect() as conn:
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row = conn.execute(
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"""
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SELECT * FROM workflow_versions
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WHERE workflow_id = ? AND version = ?
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""",
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(workflow_id, version),
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).fetchone()
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if row is None:
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return None
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result = dict(row)
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result["definition"] = json.loads(result.pop("definition_json"))
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return result
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def list_workflow_versions(self, workflow_id: str) -> list[dict[str, Any]]:
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with self._connect() as conn:
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rows = conn.execute(
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"""
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SELECT * FROM workflow_versions
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WHERE workflow_id = ?
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ORDER BY version DESC
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""",
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(workflow_id,),
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).fetchall()
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versions = []
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for row in rows:
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item = dict(row)
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item["definition"] = json.loads(item.pop("definition_json"))
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versions.append(item)
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return versions
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def create_run(self, run: dict[str, Any]) -> None:
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with self._connect() as conn:
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conn.execute(
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"""
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INSERT INTO workflow_runs (
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id, workflow_id, workflow_version, status, current_node_id,
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progress, error, input_uri, created_at, updated_at
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)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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""",
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(
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run["id"],
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run["workflow_id"],
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run["workflow_version"],
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run["status"],
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run.get("current_node_id"),
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float(run.get("progress", 0)),
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run.get("error"),
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run.get("input_uri"),
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run["created_at"],
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run["updated_at"],
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),
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)
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def get_run(self, run_id: str) -> dict[str, Any] | None:
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with self._connect() as conn:
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row = conn.execute("SELECT * FROM workflow_runs WHERE id = ?", (run_id,)).fetchone()
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return dict(row) if row else None
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def list_runs(self, limit: int = 20) -> list[dict[str, Any]]:
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with self._connect() as conn:
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rows = conn.execute(
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"SELECT * FROM workflow_runs ORDER BY created_at DESC LIMIT ?",
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(limit,),
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).fetchall()
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return [dict(row) for row in rows]
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def update_run(self, run_id: str, **fields: Any) -> None:
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allowed = {
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"status",
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"current_node_id",
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"progress",
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"error",
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}
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updates = {key: value for key, value in fields.items() if key in allowed}
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if not updates:
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return
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updates["updated_at"] = fields.get("updated_at")
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assignments = ", ".join(f"{key} = ?" for key in updates)
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values = list(updates.values()) + [run_id]
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with self._connect() as conn:
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conn.execute(f"UPDATE workflow_runs SET {assignments} WHERE id = ?", values)
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def next_queued_run(self) -> dict[str, Any] | None:
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with self._connect() as conn:
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row = conn.execute(
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"""
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SELECT * FROM workflow_runs
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WHERE status = 'QUEUED'
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ORDER BY created_at ASC
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LIMIT 1
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"""
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).fetchone()
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return dict(row) if row else None
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def create_artifact(self, artifact: dict[str, Any]) -> None:
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with self._connect() as conn:
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conn.execute(
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"""
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INSERT OR REPLACE INTO artifacts (
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run_id, node_id, name, uri, mime_type, size
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)
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VALUES (?, ?, ?, ?, ?, ?)
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""",
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(
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artifact["run_id"],
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artifact["node_id"],
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artifact["name"],
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artifact["uri"],
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artifact.get("mime_type", ""),
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int(artifact.get("size", 0)),
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),
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)
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def list_artifacts(self, run_id: str) -> list[dict[str, Any]]:
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with self._connect() as conn:
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rows = conn.execute(
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"SELECT * FROM artifacts WHERE run_id = ? ORDER BY created_at",
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(run_id,),
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).fetchall()
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return [dict(row) for row in rows]
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def get_artifact(self, run_id: str, name: str) -> dict[str, Any] | None:
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with self._connect() as conn:
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row = conn.execute(
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"SELECT * FROM artifacts WHERE run_id = ? AND name = ?",
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(run_id, name),
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).fetchone()
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return dict(row) if row else None
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def delete_run_artifacts(self, run_id: str) -> None:
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with self._connect() as conn:
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conn.execute("DELETE FROM artifacts WHERE run_id = ?", (run_id,))
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