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CHANGELOG.rst

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Release History

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API Changes (Backward Incompatible)

  • Support for Python 3.6 has been removed.
  • Support for Python 3.7 has been removed.
  • Support for Python 3.8 has been removed.

API Changes (Backward Compatible)

  • Support for Python 3.10 has been added.
  • Support for Python 3.11 has been added.
  • Support for Python 3.12 has been added.
  • Support for Python 3.13 has been added.

Bugfixes

6.0.1 (2021-04-17)

API Changes (Backward Compatible)

  • Added support for Python 3.9.
  • Added type hints.

6.0.0 (2020-09-06)

API Changes (Backward Incompatible)

  • Introduce HyperframeError base exception class for all errors raised within hyperframe.
  • Change exception base class of UnknownFrameError to HyperframeError
  • Change exception base class of InvalidPaddingError to HyperframeError
  • Change exception base class of InvalidFrameError to HyperframeError
  • Invalid frames with wrong stream id (zero vs. non-zero) now raise InvalidDataError.
  • Invalid SETTINGS frames (non-empty but ACK) now raise InvalidDataError.
  • Invalid ALTSVC frames with non-bytestring field or origin now raise InvalidDataError.

API Changes (Backward Compatible)

  • Deprecate total_padding - use pad_length instead.
  • Improve repr() output for all frame classes.
  • Introduce Frame.explain(data) for quick introspection of raw data.

Bugfixes

  • Fixed padding parsing for PushPromiseFrame.
  • Fixed unchecked frame length for PriorityFrame. It now correctly raises InvalidFrameError.
  • Fixed promised stream id validation for PushPromiseFrame. It now raises InvalidDataError.
  • Fixed unchecked frame length for WindowUpdateFrame. It now correctly raises InvalidFrameError.
  • Fixed window increment value range validation. It now raises InvalidDataError.
  • Fixed parsing of SettingsFrame with mutual exclusion of ACK flag and payload.

Other Changes

  • Removed support for Python 2.7, 3.4, 3.5, pypy.
  • Added support for Python 3.8.

5.2.0 (2019-01-18)

API Changes (Backward Compatible)

  • Add a new ENABLE_CONNECT_PROTOCOL settings parameter.

Other Changes

  • Fix collections.abc deprecation.
  • Drop support for Python 3.3 and support 3.7.

5.1.0 (2017-04-24)

API Changes (Backward Compatible)

  • Added support for DataFrame.data being a memoryview object.

5.0.0 (2017-03-07)

Backwards Incompatible API Changes

  • Added support for unknown extension frames. These will be returned in the new ExtensionFrame object. The flag information for these frames is persisted in flag_byte if needed.

4.0.2 (2017-02-20)

Bugfixes

  • Fixed AltSvc stream association, which was incorrectly set to 'both': should have been 'either'.
  • Fixed a bug where stream IDs on received frames were allowed to be 32-bit, instead of 31-bit.
  • Fixed a bug with frames that had the PADDING flag set but zero-length padding, whose flow-controlled length was calculated wrongly.
  • Miscellaneous performance improvements to serialization and parsing logic.

4.0.1 (2016-03-13)

Bugfixes

  • Fixed bug with the repr of AltSvcFrame, where building it could throw exceptions if the frame had been received from the network.

4.0.0 (2016-03-13)

Backwards Incompatible API Changes

  • Updated old ALTSVC frame definition to match the newly specified RFC 7838.
  • Remove BLOCKED frame, which was never actually specified.
  • Removed previously deprecated SettingsFrame.SETTINGS_MAX_FRAME_SIZE and SettingsFrame.SETTINGS_MAX_HEADER_LIST_SIZE.

3.2.0 (2016-02-02)

API Changes (Backward Compatible)

  • Invalid PING frame bodies now raise InvalidFrameError, not ValueError. Note that InvalidFrameError is a ValueError subclass.
  • Invalid RST_STREAM frame bodies now raise InvalidFramError, not ValueError. Note that InvalidFrameError is a ValueError subclass.
  • Canonicalized the names of SettingsFrame.SETTINGS_MAX_FRAME_SIZE and SettingsFrame.SETTINGS_MAX_HEADER_LIST_SIZE to match their peers, by adding new properties SettingsFrame.MAX_FRAME_SIZE and SettingsFrame.SETTINGS_MAX_HEADER_LIST_SIZE. The old names are still present, but will be deprecated in 4.0.0.

Bugfixes

  • The change in 3.1.0 that ensured that InvalidFrameError would be thrown did not affect certain invalid values in ALT_SVC frames. This has been fixed: ValueError will no longer be thrown from invalid ALT_SVC bodies.

3.1.1 (2016-01-18)

Bugfixes

  • Correctly error when receiving Ping frames that have insufficient data.

3.1.0 (2016-01-13)

API Changes

  • Added new InvalidFrameError that is thrown instead of struct.error when parsing a frame.

Bugfixes

  • Fixed error when trying to serialize frames that use Priority information with the defaults for that information.
  • Fixed errors when displaying the repr of frames with non-printable bodies.

3.0.1 (2016-01-08)

Bugfixes

  • Fix issue where unpadded DATA, PUSH_PROMISE and HEADERS frames that had empty bodies would raise InvalidPaddingError exceptions when parsed.

3.0.0 (2016-01-08)

Backwards Incompatible API Changes

  • Parsing padded frames that have invalid padding sizes now throws an InvalidPaddingError.

2.2.0 (2015-10-15)

API Changes

  • When an unknown frame is encountered, parse_frame_header now throws a ValueError subclass: UnknownFrameError. This subclass contains the frame type and the length of the frame body.

2.1.0 (2015-10-06)

API Changes

  • Frames parsed from binary data now carry a body_len attribute that matches the frame length (minus the frame header).

2.0.0 (2015-09-21)

API Changes

  • Attempting to parse unrecognised frames now throws ValueError instead of KeyError. Thanks to @Kriechi!
  • Flags are now validated for correctness, preventing setting flags that hyperframe does not recognise and that would not serialize. Thanks to @mhils!
  • Frame properties can now be initialized in the constructors. Thanks to @mhils and @Kriechi!
  • Frames that cannot be sent on a stream now have their stream ID defaulted to 0. Thanks to @Kriechi!

Other Changes

  • Frames have a more useful repr. Thanks to @mhils!

1.1.1 (2015-07-20)

  • Fix a bug where FRAME_MAX_LEN was one byte too small.

1.1.0 (2015-06-28)

  • Add body_len property to frames to enable introspection of the actual frame length. Thanks to @jdecuyper!

1.0.1 (2015-06-27)

  • Fix bug where the frame header would have an incorrect length added to it.

1.0.0 (2015-04-12)

  • Initial extraction from hyper.