Update dependency peewee to v4

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
peewee (changelog)	~3.19.0 → ~4.0.0

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Release Notes

coleifer/peewee (peewee)

v4.0.8

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• Add BaseQuery.aexecute() - an async twin of execute() available on all
  query types, executing through the query's bound async database:
  await User.select().aexecute(), await user.tweets.aexecute(). Returns
  exactly what execute() returns, including result rows for DML with
  RETURNING. Queries remain non-awaitable; this is an ordinary coroutine
  method and the only async method on queries.
• Add async model methods to playhouse.pwasyncio using "a"-prefixed coroutine
  counterparts of the row-level Model methods (acreate, aget,
  aget_or_none, aget_by_id, aget_or_create, aset_by_id,
  adelete_by_id, abulk_create, abulk_update, asave,
  adelete_instance), available via the new AsyncModel /
  AsyncModelMixin classes. Each is a thin delegation through the greenlet
  bridge, so behavior is identical to the synchronous implementation.
  Note: the Model property of async databases now returns a base class
  that includes these methods - relevant only if you introspect the base
  class of db.Model subclasses.
• Add afetch() for explicit, awaitable lazy foreign-key resolution:
  user = await tweet.afetch(Tweet.user). Already-loaded relations (via
  join or prefetch) return immediately without a query.
• Add db.first(query, n=1) async helper.
• MissingGreenletBridge errors now include a hint describing the async
  APIs to use.
• The asyncio extension is no longer considered preliminary - the async
  APIs documented in the docs
  are stable. The asyncio stress test now also runs in CI.

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v4.0.7

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• Fixes for playhouse.pwasyncio: report correct UPDATE / DELETE rowcounts on
  asyncpg, roll back open transactions when connections are returned to the
  pool, raise instead of deadlocking when querying during iterate(), and
  detect the MySQL / MariaDB server version.
• Additional playhouse.pwasyncio fixes: a second iterate() on a busy
  connection raises instead of deadlocking, asyncpg exceptions are translated
  to peewee exception types, registered aggregates / collations / window
  functions / extensions and timeout are applied to async SQLite
  connections, :memory: databases use a single connection, atomic()
  accepts transaction arguments (e.g. lock_type), postgres connection URLs
  and isolation_level are supported, %% in raw SQL is unescaped, and
  attempting a query outside the greenlet bridge no longer emits "never
  awaited" warnings.
• Fixes for playhouse.pydantic_utils: JSON fields validate as Any (now
  including the sqlite_ext JSONField), foreign keys may be included /
  excluded by field name or column name, server-side defaults like
  SQL('CURRENT_TIMESTAMP') are no longer emitted as schema defaults, and
  relationships keys are validated.
• Add a new cross-backend JSONField to core that provides basic operations
  and also more consistent behavior when reading data. By default the new core
  JSONField treats extracted values as JSON, which is generally the correct
  thing, but "text-mode" is available as a chained .as_text() method. See
  docs.
  May eventually replace the backend-specific implementations with subclasses
  that inherit semantics of this new field.
  Note: playhouse.mysql_ext.JSONField is now the core field. The old
  json_dumps / json_loads arguments are renamed dumps / loads, the
  extract() method is removed (use item-access or path()), and MySQL
  tables are now created with JSON columns rather than TEXT.
• Eliminate use of deprecated params when connecting to MySQL databases, thanks
  to @​abulgher, #​3050.
• Using fromisoformat() ended up causing previously-unconverted strings (Ymd)
  to be converted in some cases, e.g. formatting a datetime as a str (#​3051).
  The change I made to address this is to make explicit casts on function calls
  not attempt any heuristic python-value conversion. This makes it more natural
  to call fn.whatever().cast('text') and you predictably get text out.

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v4.0.6

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• Add new methods to the postgres BinaryJSONField: helpers for in-place
  modifications (set, replace, insert, append, update).
• Also add json-path helpers to the postgres BinaryJSONField (path_exists,
  path_match, path_query, path_query_array, path_query_first).
• Quote path elements in SQLite's JSON field.
• Better and faster parsing of formatted date/times. Use the stdlib
  fromisoformat as a first attempt since it's faster and more robust.
• Ensure db.connection_context() can be nested cleanly, #​3046.
• Fix potential deadlock in pool.close_all and pool.manual_close, #​3047.
• Restore whitespace stripping in FixedCharField, #​3048.

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v4.0.5

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• Fix bug where db_value() may not get called in subclasses of Postgres
  JSONField / BinaryJSONField, refs #​3044.
• Fix bug where indexes for table may be defined on multiple schema, #​3043.
• Always fall-through to base exception class if exception is not recognized in
  DB drivers. This simplifies checking driver-specific subclasses of standard
  DB-API exceptions.

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v4.0.4

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• Fix SQL generation for partial indexes with nulls (not) distinct clause.
• Raise an ImproperlyConfigured if pg driver unavailable at model
  definition-time when field db-hooks are used, rather than AttributeError.

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v4.0.3

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• Refactor test suite - this was a mechanical refactor, just moving things
  around and trying to group things more clearly. Also added new tests covering
  some gaps.
• Expand multi-value types to include generator expressions, so you can write
  stuff like .in(a for a in iterable if cond).
• Ensure quotes embedded in entity names are escaped.
• Improved specification of FOR UPDATE clauses.
• Fix for negative values in paginate() method.
• Fix for newer MySQL server versions in feature detection code.
• More robust handling of unusual aliases / invalid attr names in cursor
  wrapper.
• Better handling of duplicated column names in cursor wrapper implementations.
• Improve performance of ModelCursorWrapper when reconstructing model instance
  graphs after multi-table selects.
• If only psycopg3 is installed, use it by default (#​3036)

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v4.0.2

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• Remove all Python 2.x compatibility code.
• Add streaming result cursors to pwasyncio module via db.iterate(query).
• Better serialization and deserialization of datetimes and binary data in the
  DataSet module. Previously binary data was encoded as base64, going forward
  hex is the new default. For base64 specify base64_bytes=True.
• Improvements to Postgres BinaryJSONField, support atomic removal of
  sub-elements, as well as alternate helper for extracting sub-elements and
  querying array length.
• Pydantic integration

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v4.0.1

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• Ensure gr_context is set on greenlet in greenlet_spawn so that
  contextvars will be operable in sync handlers.
• Removed SqliteExtDatabase (it basically served no purpose in 4.0). Use
  SqliteDatabase instead.
• Moved driver and extension-specific pooled implementations into the
  corresponding extension module rather than putting all into playhouse.pool.
• Restore custom dumps option for postgres JSON fields.
• Major docs rewrite / reorganization.

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v4.0.0

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• Adds preliminary support for asyncio via a new playhouse extension. See
  the documentation
  for details.
• PostgresqlDatabase can use psycopg (psycopg3) if it is installed. If both
  psycopg2 and psycopg3 are installed, Peewee will prefer psycopg2, but this
  can be controlled by specifying prefer_psycopg3=True in the constructor.
  Same applies to PostgresqlExtDatabase.
• Psycopg3Database class has been moved to playhouse.postgres_ext and is
  now just a thin wrapper around PostgresqlExtDatabase.
• Postgres JSON operations no longer dump and try to do minimal casts, instead
  relying on the driver-provided Json() wrapper(s).
• Adds new ISODateTimeField for Sqlite that encodes datetimes in ISO format
  (more friendly when db is shared with other tools), and also properly reads
  back UTC offset info.
• Remove playhouse.sqlite_ext.ClosureTable implementation.
• Add a Model.dirty_field_names attribute that is safe for membership
  testing, since testing x in dirty_fields returns True if one or more field
  exists due to operator overloads returning a truthy Expression object.
  Refs #​3028.
• Removal of Cython _sqlite_ext extension. The C implementations of the FTS
  rank functions are moved to sqlite_udf. Most of the remaining functionality
  is moved to playhouse.cysqlite_ext which supports it natively.

Migrating CSqliteExtDatabase usage:

You can either use sqlite_ext.SqliteExtDatabase or try the new
cysqlite_ext.CySqliteDatabase if you want all the old functionality and are
willing to try a new driver.

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