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gh-144027: Fix documentation for ignorechars in base64.a85decode() (GH-144028)

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It does not support an ASCII string.

Also add more tests.
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Serhiy Storchaka 2026-01-23 20:55:48 +02:00 committed by GitHub
parent 2f42f83344
commit 25a10b60b0
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2 changed files with 14 additions and 2 deletions
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3
Doc/library/base64.rst
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@ -254,8 +254,7 @@ Refer to the documentation of the individual functions for more information.
*adobe* controls whether the input sequence is in Adobe Ascii85 format
(i.e. is framed with <~ and ~>).
*ignorechars* should be a :term:`bytes-like object` or ASCII string
containing characters to ignore
*ignorechars* should be a byte string containing characters to ignore
from the input. This should only contain whitespace characters, and by
default contains all whitespace characters in ASCII.

13
Lib/test/test_base64.py
View File

@ -965,6 +965,19 @@ class BaseXYTestCase(unittest.TestCase):
self.assertRaises(ValueError, base64.a85decode, b'aaaay',
foldspaces=True)
self.assertEqual(base64.a85decode(b"a b\nc", ignorechars=b" \n"),
b'\xc9\x89')
with self.assertRaises(ValueError):
base64.a85decode(b"a b\nc", ignorechars=b"")
with self.assertRaises(ValueError):
base64.a85decode(b"a b\nc", ignorechars=b" ")
with self.assertRaises(ValueError):
base64.a85decode(b"a b\nc", ignorechars=b"\n")
with self.assertRaises(TypeError):
base64.a85decode(b"a b\nc", ignorechars=" \n")
with self.assertRaises(TypeError):
base64.a85decode(b"a b\nc", ignorechars=None)
def test_b85decode_errors(self):
illegal = list(range(33)) + \
list(b'"\',./:[\\]') + \