Python库 | peewee-3.3.3.tar.gz

## Playhouse The `playhouse` namespace contains numerous extensions to Peewee. These include vendor-specific database extensions, high-level abstractions to simplify working with databases, and tools for low-level database operations and introspection. ### Vendor extensions * [SQLite extensions](http://docs.peewee-orm.com/en/latest/peewee/sqlite_ext.html) * Full-text search (FTS3/4/5) * BM25 ranking algorithm implemented as SQLite C extension, backported to FTS4 * Virtual tables and C extensions * Closure tables * JSON extension support * LSM1 (key/value database) support * BLOB API * Online backup API * [APSW extensions](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#apsw): use Peewee with the powerful [APSW](https://github.com/rogerbinns/apsw) SQLite driver. * [SQLCipher](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#sqlcipher-ext): encrypted SQLite databases. * [SqliteQ](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#sqliteq): dedicated writer thread for multi-threaded SQLite applications. [More info here](http://charlesleifer.com/blog/multi-threaded-sqlite-without-the-operationalerrors/). * [Postgresql extensions](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#postgres-ext) * JSON and JSONB * HStore * Arrays * Server-side cursors * Full-text search ### High-level libraries * [Extra fields](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#extra-fields) * Compressed field * PickleField * [Shortcuts / helpers](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#shortcuts) * Model-to-dict serializer * Dict-to-model deserializer * [Hybrid attributes](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#hybrid) * [Signals](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#signals): pre/post-save, pre/post-delete, pre-init. * [Dataset](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#dataset): high-level API for working with databases popuarlized by the [project of the same name](https://dataset.readthedocs.io/). * [Key/Value Store](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#kv): key/value store using SQLite. Supports *smart indexing*, for *Pandas*-style queries. ### Database management and framework support * [pwiz](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#pwiz): generate model code from a pre-existing database. * [Schema migrations](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#migrate): modify your schema using high-level APIs. Even supports dropping or renaming columns in SQLite. * [Connection pool](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#pool): simple connection pooling. * [Reflection](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#reflection): low-level, cross-platform database introspection * [Database URLs](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#db-url): use URLs to connect to database * [Test utils](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#test-utils): helpers for unit-testing Peewee applications. * [Flask utils](http://docs.peewee-orm.com/en/latest/peewee/playhouse.html#flask-utils): paginated object lists, database connection management, and more.