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Issue #16915: Clarify that mode parameter of socket.makefile() does not accept

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the same values as open().
This commit is contained in:
Berker Peksag 2016-02-18 17:34:00 +02:00
parent c12fef9aa3
commit 3fe64d0c5c
3 changed files with 19 additions and 4 deletions
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6
Lib/socket.py
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@ -209,10 +209,10 @@ class socket(_socket.socket):
encoding=None, errors=None, newline=None):
"""makefile(...) -> an I/O stream connected to the socket
The arguments are as for io.open() after the filename,
except the only mode characters supported are 'r', 'w' and 'b'.
The semantics are similar too. (XXX refactor to share code?)
The arguments are as for io.open() after the filename, except the only
supported mode values are 'r' (default), 'w' and 'b'.
"""
# XXX refactor to share code?
if not set(mode) <= {"r", "w", "b"}:
raise ValueError("invalid mode %r (only r, w, b allowed)" % (mode,))
writing = "w" in mode