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fix(rag): query marketplace for actual plugin version instead of 'latest'

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The marketplace API does not support 'latest' as a version string.
Fetch the plugin info first to get latest_version, then use that
concrete version for installation.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
youhuanghe
2026-03-08 14:41:43 +00:00
parent 67c5c3af20
commit 8da52b6dc7
1 changed files with 15 additions and 1 deletions
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16
src/langbot/pkg/api/http/controller/groups/knowledge/migration.py
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@@ -1,6 +1,7 @@
import asyncio
import json
import httpx
import sqlalchemy
from ... import group
@@ -11,6 +12,7 @@ from langbot_plugin.runtime.plugin.mgr import PluginInstallSource
LANGRAG_PLUGIN_AUTHOR = 'langbot-team'
LANGRAG_PLUGIN_NAME = 'LangRAG'
LANGRAG_PLUGIN_ID = f'{LANGRAG_PLUGIN_AUTHOR}/{LANGRAG_PLUGIN_NAME}'
DEFAULT_SPACE_URL = 'https://space.langbot.app'
@group.group_class('knowledge/migration', '/api/v1/knowledge/migration')
@@ -57,10 +59,22 @@ class KnowledgeMigrationRouterGroup(group.RouterGroup):
# Step 1: Install langrag plugin from marketplace
task_context.trace('Installing LangRAG plugin from marketplace...', action='install-plugin')
try:
# Query marketplace for latest version
space_url = self.ap.instance_config.data.get('space', {}).get('url', DEFAULT_SPACE_URL).rstrip('/')
async with httpx.AsyncClient(trust_env=True, timeout=15) as client:
resp = await client.get(
f'{space_url}/api/v1/marketplace/plugins/{LANGRAG_PLUGIN_AUTHOR}/{LANGRAG_PLUGIN_NAME}'
)
resp.raise_for_status()
plugin_data = resp.json().get('data', {}).get('plugin', {})
plugin_version = plugin_data.get('latest_version')
if not plugin_version:
raise Exception('Could not determine latest LangRAG version from marketplace')
install_info = {
'plugin_author': LANGRAG_PLUGIN_AUTHOR,
'plugin_name': LANGRAG_PLUGIN_NAME,
'plugin_version': 'latest',
'plugin_version': plugin_version,
}
await self.ap.plugin_connector.install_plugin(
PluginInstallSource.MARKETPLACE, install_info, task_context=task_context