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Diffstat (limited to 'Doc/library/zlib.rst')
| -rw-r--r-- | Doc/library/zlib.rst | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Doc/library/zlib.rst b/Doc/library/zlib.rst index 75ead3c4cb1..7c5e9b086e1 100644 --- a/Doc/library/zlib.rst +++ b/Doc/library/zlib.rst @@ -44,6 +44,20 @@ The available exception and functions in this module are: .. versionchanged:: 3.0 The result is always unsigned. +.. function:: adler32_combine(adler1, adler2, len2, /) + + Combine two Adler-32 checksums into one. + + Given the Adler-32 checksum *adler1* of a sequence ``A`` and the + Adler-32 checksum *adler2* of a sequence ``B`` of length *len2*, + return the Adler-32 checksum of ``A`` and ``B`` concatenated. + + This function is typically useful to combine Adler-32 checksums + that were concurrently computed. To compute checksums sequentially, use + :func:`adler32` with the running checksum as the ``value`` argument. + + .. versionadded:: next + .. function:: compress(data, /, level=-1, wbits=MAX_WBITS) Compresses the bytes in *data*, returning a bytes object containing compressed data. @@ -136,6 +150,20 @@ The available exception and functions in this module are: .. versionchanged:: 3.0 The result is always unsigned. +.. function:: crc32_combine(crc1, crc2, len2, /) + + Combine two CRC-32 checksums into one. + + Given the CRC-32 checksum *crc1* of a sequence ``A`` and the + CRC-32 checksum *crc2* of a sequence ``B`` of length *len2*, + return the CRC-32 checksum of ``A`` and ``B`` concatenated. + + This function is typically useful to combine CRC-32 checksums + that were concurrently computed. To compute checksums sequentially, use + :func:`crc32` with the running checksum as the ``value`` argument. + + .. versionadded:: next + .. function:: decompress(data, /, wbits=MAX_WBITS, bufsize=DEF_BUF_SIZE) Decompresses the bytes in *data*, returning a bytes object containing the |