parsimony-boj 0.5.0

Bank of Japan connector for the parsimony framework

parsimony-boj

Bank of Japan (BoJ) statistics connector — fetches time series from the BoJ Time-Series Data Search.

Part of the parsimony-connectors monorepo. Distributed standalone on PyPI as parsimony-boj.

Connectors

Name	Kind	Description
boj_fetch	fetch	Fetch BoJ time series by database (db) and series code. Max 250 codes per request.
enumerate_boj	enumerator	Enumerate BoJ series across the 45 known databases (catalog indexing).

Install

pip install parsimony-boj

Pulls in parsimony-core>=0.4,<0.5 automatically. Verify discovery:

python -c "from parsimony import discover; print([p.name for p in discover.iter_providers()])"

Configuration

No environment variables required. The BoJ API is unauthenticated.

Quick start

import asyncio
from parsimony_boj import CONNECTORS

async def main():
    connectors = CONNECTORS.bind_env()
    result = await connectors["boj_fetch"](db="FM08", code="FXERD01")
    print(result.data.head())

asyncio.run(main())

For multi-plugin composition:

from parsimony import discover
connectors = discover.load_all().bind_env()

Provider

• Homepage: https://www.boj.or.jp
• API manual: https://www.stat-search.boj.or.jp/info/api_manual_en.pdf

License

See LICENSE.