micropython/docs/library/ubinascii.rst

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:mod:`ubinascii` -- binary/ASCII conversions
============================================
.. module:: ubinascii
:synopsis: binary/ASCII conversions
This module implements conversions between binary data and various
encodings of it in ASCII form (in both directions).
Functions
---------
.. function:: hexlify(data, [sep])
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Convert binary data to hexadecimal representation. Returns bytes string.
.. admonition:: Difference to CPython
:class: attention
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If additional argument, `sep` is supplied, it is used as a separator
between hexadecimal values.
.. function:: unhexlify(data)
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Convert hexadecimal data to binary representation. Returns bytes string.
(i.e. inverse of hexlify)
.. function:: a2b_base64(data)
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Convert Base64-encoded data to binary representation. Returns bytes string.
.. function:: b2a_base64(data)
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Encode binary data in Base64 format. Returns string.