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Issue #9854: The default read() implementation in io.RawIOBase now

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handles non-blocking readinto() returning None correctly.
This commit is contained in:
Antoine Pitrou 2010-09-14 18:37:24 +00:00
parent 9e0b864ac0
commit 328ec7455f
5 changed files with 45 additions and 15 deletions
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4
Lib/_pyio.py
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@ -544,6 +544,8 @@ class RawIOBase(IOBase):
return self.readall()
b = bytearray(n.__index__())
n = self.readinto(b)
if n is None:
return None
del b[n:]
return bytes(b)
@ -561,7 +563,7 @@ class RawIOBase(IOBase):
"""Read up to len(b) bytes into b.
Returns number of bytes read (0 for EOF), or None if the object
is set not to block as has no data to read.
is set not to block and has no data to read.
"""
self._unsupported("readinto")