Added BufferedIncrementalPacketSerializer base class

[francis-clairicia]

What's changed

• Added BufferedIncrementalPacketSerializer base class
  • FixedSizePacketSerializer now derives from BufferedIncrementalPacketSerializer
  • FileBasedSizePacketSerializer now derives from BufferedIncrementalPacketSerializer
  • AbstractCompressorSerializer now derives from BufferedIncrementalPacketSerializer
• Added BufferedStreamReceiver in easynetwork.protocol
  • Added new method StreamProtocol.buffered_receiver()
• New buffer API in easynetwork.lowlevel
  • Added BufferedStreamReadTransport base class
    • Added SelectorBufferedStreamReadTransport deriving from BufferedStreamReadTransport
    • SocketStreamTransport derives from SelectorBufferedStreamReadTransport in addition to SelectorStreamTransport
    • SSLStreamTransport derives from SelectorBufferedStreamReadTransport in addition to SelectorStreamTransport
  • Added AsyncBufferedStreamReadTransport base class
    • easynetwork.lowlevel.asyncio.RawStreamSocketAdapter derives from AsyncBufferedStreamReadTransport in addition to AsyncStreamTransport
  • Added support of buffered read in StreamEndpoint and AsyncStreamEndpoint
  • Added support of buffered read in AsyncStreamServer
• IncrementalDeserializeError.remaining_data and StreamProtocolParseError.remaining_data can now be any byte buffer (e.g. memoryview).

[codecov]

Codecov Report

Merging #174 (390b021) into main (781739e) will not change coverage.
The diff coverage is 100.00%.

Additional details and impacted files

Flag	Coverage Δ
OS-Linux	86.16% <82.30%> (-0.40%)	⬇️
OS-Windows	85.57% <82.30%> (-0.36%)	⬇️
OS-macOS	86.19% <82.30%> (-0.40%)	⬇️
Py-3.11	99.90% <100.00%> (+<0.01%)	⬆️
Py-3.12	99.90% <100.00%> (+<0.01%)	⬆️
test-functional	86.42% <82.30%> (-0.42%)	⬇️
test-unit	84.08% <94.61%> (+0.55%)	⬆️

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