45 lines
1.4 KiB
ReStructuredText
45 lines
1.4 KiB
ReStructuredText
:mod:`binascii` -- binary/ASCII conversions
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===========================================
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.. module:: binascii
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:synopsis: binary/ASCII conversions
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|see_cpython_module| :mod:`python:binascii`.
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This module implements conversions between binary data and various
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encodings of it in ASCII form (in both directions).
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Functions
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---------
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.. function:: hexlify(data, [sep])
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Convert the bytes in the *data* object to a hexadecimal representation.
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Returns a bytes object.
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If the additional argument *sep* is supplied it is used as a separator
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between hexadecimal values.
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.. function:: unhexlify(data)
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Convert hexadecimal data to binary representation. Returns bytes string.
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(i.e. inverse of hexlify)
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.. function:: a2b_base64(data)
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Decode base64-encoded data, ignoring invalid characters in the input.
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Conforms to `RFC 2045 s.6.8 <https://tools.ietf.org/html/rfc2045#section-6.8>`_.
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Returns a bytes object.
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.. function:: b2a_base64(data, *, newline=True)
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Encode binary data in base64 format, as in `RFC 3548
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<https://tools.ietf.org/html/rfc3548.html>`_. Returns the encoded data
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followed by a newline character if ``newline`` is true, as a bytes object.
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.. function:: crc32(data, value=0, /)
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Compute CRC-32, the 32-bit checksum of the bytes in *data* starting with an
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initial CRC of *value*. The default initial CRC is 0. The algorithm is
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consistent with the ZIP file checksum.
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