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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

Changed

  • Drop Python 3.6 support (PR #327).

1.2.0 - 2024-03-27

Added

  • The ability to connect to the Tarantool using an existing socket fd (#304).

1.1.2 - 2023-09-20

Fixed

  • Exception rethrow in crud API (PR #310).
  • Work with timestamps larger than year 2038 for some platforms (like Windows) (PR #311). It covers
    • building new tarantool.Datetime objects from timestamp,
    • parsing datetime objects received from Tarantool.

1.1.1 - 2023-07-19

Changed

  • Validate tarantool.Interval limits with the same rules as in Tarantool (PR #302).

Fixed

  • tarantool.Interval arithmetic with weeks (PR #302).
  • tarantool.Interval weeks display in str() and repr() (PR #302).

1.1.0 - 2023-06-30

Added

  • Allow to require specific server protocol version and features (#267).

Changed

  • Drop msgpack-python support. Use msgpack instead.

Fixed

  • Parsing of E-notation Tarantool decimals with positive exponent (PR #298).

1.0.0 - 2023-04-17

Changed

  • Breaking: Allow only named on_push and on_push_ctx for insert and replace.
  • Migrate to built-in Warning instead of a custom one.
  • Migrate to built-in RecursionError instead of a custom one.
  • Collect full exception traceback.
  • Rework tarantool.Datetime implementation to use built-in datetime.datetime. External changes are as follows. Some of them are breaking.
    • Package no longer depends on pandas (#290).
    • __repr__ has been changed.
    • Input arguments are validated with datetime.datetime rules.
    • Class is no longer expected to throw pandas.Timestamp exceptions. datetime.datetime exceptions will be thrown instead of them.
    • Drop the support of __eq__ operator for pandas.Timestamp.
  • Breaking: Remove join and subscribe connection methods.

0.12.1 - 2023-02-28

Changed

  • Discovery iproto features only for Tarantools since version 2.10.0 (#283).

Fixed

  • Schema fetch for spaces with foreign keys (#282).

0.12.0 - 2023-02-13

Added

  • Support fetch_schema parameter for a connection (#219).

Fixed

  • Error code on socket error (#279).

0.11.0 - 2022-12-31

Added

  • Support custom packer and unpacker factories (#191).
  • Support crud module native API (#205).
  • Support ssl_password and ssl_password_file options to decrypt private SSL key file (#224).
  • Support specifying authentication method with auth_type and Tarantool EE pap-sha256 authentication method (#269).

0.10.0 - 2022-11-09

Added

  • Decimal type support (#203).

  • UUID type support (#202).

  • Datetime type support and tarantool.Datetime type (#204).

    Tarantool datetime objects are decoded to tarantool.Datetime type. tarantool.Datetime may be encoded to Tarantool datetime objects.

    You can create tarantool.Datetime objects either from MessagePack data or by using the same API as in Tarantool:

    dt1 = tarantool.Datetime(year=2022, month=8, day=31,
                         hour=18, minute=7, sec=54,
                         nsec=308543321)

dt2 = tarantool.Datetime(timestamp=1661969274)

dt3 = tarantool.Datetime(timestamp=1661969274, nsec=308543321)

    tarantool.Datetime exposes year, month, day, hour, minute, sec, nsec, timestamp and value (integer epoch time with nanoseconds precision) properties if you need to convert tarantool.Datetime to any other kind of datetime object:

    pdt = pandas.Timestamp(year=dt.year, month=dt.month, day=dt.day,
                       hour=dt.hour, minute=dt.minute, second=dt.sec,
                       microsecond=(dt.nsec // 1000),
                       nanosecond=(dt.nsec % 1000))

  • Offset in datetime type support (#204).

    Use tzoffset parameter to set up offset timezone:

    dt = tarantool.Datetime(year=2022, month=8, day=31,
                        hour=18, minute=7, sec=54,
                        nsec=308543321, tzoffset=180)

    You may use tzoffset property to get timezone offset of a datetime object.

  • Timezone in datetime type support (#204).

    Use tz parameter to set up timezone name:

    dt = tarantool.Datetime(year=2022, month=8, day=31,
                        hour=18, minute=7, sec=54,
                        nsec=308543321, tz='Europe/Moscow')

    If both tz and tzoffset is specified, tz is used.

    You may use tz property to get timezone name of a datetime object.

  • Datetime interval type support and tarantool.Interval type (#229).

    Tarantool datetime interval objects are decoded to tarantool.Interval type. tarantool.Interval may be encoded to Tarantool interval objects.

    You can create tarantool.Interval objects either from MessagePack data or by using the same API as in Tarantool:

    di = tarantool.Interval(year=-1, month=2, day=3,
                        hour=4, minute=-5, sec=6,
                        nsec=308543321,
                        adjust=tarantool.IntervalAdjust.NONE)

    Its attributes (same as in init API) are exposed, so you can use them if needed.

  • Datetime interval arithmetic support (#229).

    Valid operations:

    • tarantool.Datetime + tarantool.Interval = tarantool.Datetime
    • tarantool.Datetime - tarantool.Interval = tarantool.Datetime
    • tarantool.Datetime - tarantool.Datetime = tarantool.Interval
    • tarantool.Interval + tarantool.Interval = tarantool.Interval
    • tarantool.Interval - tarantool.Interval = tarantool.Interval

    Since tarantool.Interval could contain month and year fields and such operations could be ambiguous, you can use adjust field to tune the logic. The behavior is the same as in Tarantool, see Interval arithmetic RFC.

    • tarantool.IntervalAdjust.NONE -- only truncation toward the end of month performed (default mode).

      >>> dt = tarantool.Datetime(year=2022, month=3, day=31)
datetime: Timestamp('2022-03-31 00:00:00'), tz: ""
>>> di = tarantool.Interval(month=1, adjust=tarantool.IntervalAdjust.NONE)
>>> dt + di
datetime: Timestamp('2022-04-30 00:00:00'), tz: ""

    • tarantool.IntervalAdjust.EXCESS -- overflow mode, without any snap or truncation to the end of month, straight addition of days in month, stopping over month boundaries if there is less number of days.

      >>> dt = tarantool.Datetime(year=2022, month=1, day=31)
datetime: Timestamp('2022-01-31 00:00:00'), tz: ""
>>> di = tarantool.Interval(month=1, adjust=tarantool.IntervalAdjust.EXCESS)
>>> dt + di
datetime: Timestamp('2022-03-02 00:00:00'), tz: ""

    • tarantool.IntervalAdjust.LAST -- mode when day snaps to the end of month, if happens.

      >>> dt = tarantool.Datetime(year=2022, month=2, day=28)
datetime: Timestamp('2022-02-28 00:00:00'), tz: ""
>>> di = tarantool.Interval(month=1, adjust=tarantool.IntervalAdjust.LAST)
>>> dt + di
datetime: Timestamp('2022-03-31 00:00:00'), tz: ""

  • Support iproto feature discovery (#206).

  • Backport ConnectionPool support for Python 3.6.

  • Support extra information for iproto errors (#232).

  • Error extension type support (#232).

  • Support pandas way to build datetime from timestamp (PR #252).

    timestamp_since_utc_epoch is a parameter to set timestamp conversion behavior for timezone-aware datetimes.

    If False (default), behaves similar to Tarantool datetime.new():

    >>> dt = tarantool.Datetime(timestamp=1640995200, timestamp_since_utc_epoch=False)
>>> dt
datetime: Timestamp('2022-01-01 00:00:00'), tz: ""
>>> dt.timestamp
1640995200.0
>>> dt = tarantool.Datetime(timestamp=1640995200, tz='Europe/Moscow',
...                         timestamp_since_utc_epoch=False)
>>> dt
datetime: Timestamp('2022-01-01 00:00:00+0300', tz='Europe/Moscow'), tz: "Europe/Moscow"
>>> dt.timestamp
1640984400.0

    Thus, if False, datetime is computed from timestamp since epoch and then timezone is applied without any conversion. In that case, dt.timestamp won't be equal to initialization timestamp for all timezones with non-zero offset.

    If True, behaves similar to pandas.Timestamp:

    >>> dt = tarantool.Datetime(timestamp=1640995200, timestamp_since_utc_epoch=True)
>>> dt
datetime: Timestamp('2022-01-01 00:00:00'), tz: ""
>>> dt.timestamp
1640995200.0
>>> dt = tarantool.Datetime(timestamp=1640995200, tz='Europe/Moscow',
...                         timestamp_since_utc_epoch=True)
>>> dt
datetime: Timestamp('2022-01-01 03:00:00+0300', tz='Europe/Moscow'), tz: "Europe/Moscow"
>>> dt.timestamp
1640995200.0

    Thus, if True, datetime is computed in a way that dt.timestamp will always be equal to initialization timestamp.

  • Support iproto feature push (#201).

  • Pack pip package with GitHub Actions (#198).

  • Publish pip package with GitHub Actions (#198).

  • Pack RPM package with GitHub Actions (#164, #198).

  • Publish RPM package with GitHub Actions (#164, #198).

  • Pack deb package with GitHub Actions (#198).

  • Publish deb package with GitHub Actions (#198).

Changed

  • Bump msgpack requirement to 1.0.4 (PR #223). The only reason of this bump is various vulnerability fixes, msgpack>=0.4.0 and msgpack-python==0.4.0 are still supported.
  • Change documentation HTML theme (#67).
  • Update API documentation strings (#67).
  • Update documentation index, quick start and guide pages (#67).
  • Use git version to set package version (#238).
  • Extract tarantool.Datetime encode and decode to external functions (PR #252).
  • Extract tarantool.Interval encode and decode to external functions (PR #252).
  • Do not enforce msgpack version (#198).

Fixed

  • Package build (#238).
  • Allow any MessagePack supported type as a request key (#240).
  • Putting test files in pip package (#238).
  • Make connection close idempotent (#250).
  • readthedocs version (#255).
  • timezone offset with old pytz and pandas (#198).

0.9.0 - 2022-06-20

Added

  • SSL support (PR #220, #217).
  • Tarantool Enterprise testing workflow on GitHub actions (PR #220).

0.8.0 - 2022-04-29

Added

  • Reusable testing workflow for integration with tarantool artifacts (PR #192).

  • Connection pool with master discovery (PR #207, #196).

    ConnectionPool is supported only for Python 3.7 or newer. Authenticated user must be able to call box.info on instances. For example, to give grants to 'guest' user, evaluate

    box.schema.func.create('box.info')
box.schema.user.grant('guest', 'execute', 'function', 'box.info')

    on Tarantool instances.

    ConnectionPool updates information about each server state (RO/RW) on initial connect and then asynchronously in separate threads. Application retries must be written considering the asynchronous nature of cluster state refresh. The user does not need to use any synchronization mechanisms in requests, it's all handled with ConnectionPool methods.

    ConnectionPool API is the same as the plain Connection API. On each request, a connection is chosen to execute the request. A connection is chosen based on the request mode:

    • Mode.ANY chooses any instance.
    • Mode.RW chooses an RW instance.
    • Mode.RO chooses an RO instance.
    • Mode.PREFER_RW chooses an RW instance, if possible, an RO instance otherwise.
    • Mode.PREFER_RO chooses an RO instance, if possible, an RW instance otherwise. All requests that guarantee to write data (insert, replace, delete, upsert, update) use the RW mode by default. The select request uses ANY by default. You can set the mode explicitly. The call, eval, execute, and ping requests require to set the mode explicitly.

    Example:

    pool = tarantool.ConnectionPool(
    addrs=[
        {'host': '108.177.16.0', 'port': 3301},
        {'host': '108.177.16.0', 'port': 3302},
    ],
    user='test',
    password='test',)

pool.call('some_write_procedure', arg, mode=tarantool.Mode.RW)

Changed

  • Breaking change: Python 2 support dropped (PR #207).

  • Breaking change: encode/decode binary types for Python 3 changed to support working with varbinary (PR #211, #105). With Python 2, the behavior of the connector remains the same.

    Before this patch:

    • encoding="utf-8" (default)

      Python 3 -> Tarantool -> Python 3
      str -> mp_str (string) -> str
      bytes -> mp_str (string) -> str
      mp_bin (varbinary) -> bytes

    • encoding=None

      Python 3 -> Tarantool -> Python 3
      bytes -> mp_str (string) -> bytes
      str -> mp_str (string) -> bytes
      mp_bin (varbinary) -> bytes

    Several method (delete, update, select) did not support using bytes as key.

    After this patch:

    • encoding="utf-8" (default)

      Python 3 -> Tarantool -> Python 3
      str -> mp_str (string) -> str
      bytes -> mp_bin (varbinary) -> bytes

    • encoding=None

      Python 3 -> Tarantool -> Python 3
      bytes -> mp_str (string) -> bytes
      str -> mp_str (string) -> bytes
      mp_bin (varbinary) -> bytes

    All methods now support using bytes as key.

    Thus, an encoding="utf-8" connection may be used to work with UTF-8 strings and varbinary, and an encoding=None connection may be used to work with non-UTF-8 strings.

  • Clarify the license of the project (BSD-2-Clause) (PR #210, #197).

  • Migrate CI to GitHub Actions (PR #213, PR #216, #182).

  • Various improvements and fixes in README (PR #210, PR #215).

Fixed

  • json.dumps compatibility with Python 2 (PR #186).
  • Unix socket support in mesh_connection (PR #189, #111).
  • Various fixes in tests (PR #189, #111, PR #195, #194).

0.7.1 - 2020-12-28

Fixed

  • msgpack library dependency (PR #185).

0.7.0 - 2020-12-28

Caution: Use tarantool-python 0.7.1 instead of 0.7.0. It fixes the dependency on the msgpack library.

Added

  • Support msgpack 1.0.0 (#155, PR #173).
  • SQL support (the method <connection>.execute()) (#159, PR #161).
  • Allow receiving a Tarantool tuple as a Python tuple, not a list, with the use_list=False connection option (#166, PR #161).
  • Support the Database API (PEP-0249) (PR #161).

Changed

  • Various improvements in README (PR #147, PR #151, PR #180).

Fixed

  • Support encoding=None connections (PR #172).
  • Various improvements and fixes in tests (8ff9a3f, bd37703, PR #165, #178, PR #179, PR #181).