unihan-db · Python Package License Code Coverage#

Database SQLAlchemy models for UNIHAN. Part of the cihai project. Powered by unihan-etl. See also: libUnihan.

By default, unihan-db creates a SQLite database in an XDG data directory. You can specify a custom database destination by passing a database url into get_session.

Example usage#

#!/usr/bin/env python
import pprint

from sqlalchemy.sql.expression import func

from unihan_db import bootstrap
from unihan_db.tables import Unhn

session = bootstrap.get_session()


random_row = session.query(Unhn).order_by(

pp = pprint.PrettyPrinter(indent=0)



$ ./examples/01_bootstrap.py


{'char': '鎷',
'kCantonese': [{'char_id': '鎷', 'definition': 'maa5', 'id': 24035}],
'kDefinition': [],
'kHanYu': [{'char_id': '鎷',
          'id': 24014,
          'locations': [{'character': 5,
                       'generic_indice_id': 24014,
                       'generic_reading_id': None,
                       'id': 42170,
                       'page': 4237,
                       'virtual': 0,
                       'volume': 6}],
          'type': 'kHanYu'}],
'kHanyuPinyin': [{'char_id': '鎷',
                'id': 18090,
                'locations': [{'character': 5,
                             'generic_indice_id': None,
                             'generic_reading_id': 18090,
                             'id': 42169,
                             'page': 4237,
                             'virtual': 0,
                             'volume': 6}],
                'readings': [{'generic_reading_id': 18090,
                            'id': 26695,
                            'reading': 'mǎ'}],
                'type': 'kHanyuPinyin'}],
'kMandarin': [{'char_id': '鎷', 'hans': 'mǎ', 'hant': 'mǎ', 'id': 23486}],
'ucn': 'U+93B7'}


$ git clone https://github.com/cihai/unihan-etl.git
$ cd unihan-etl

Bootstrap your environment and learn more about contributing. We use the same conventions / tools across all cihai projects: pytest, sphinx, flake8, mypy, black, isort, tmuxp, and file watcher helpers (e.g. entr(1)).

More information#

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