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Breaking ground for PEP 3137 implementation:

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Get rid of buffer().  Use memoryview() in its place where possible.
In a few places, do things a bit different, because memoryview()
can't slice (yet).
This commit is contained in:
Guido van Rossum 2007-10-08 02:46:15 +00:00
parent 85c1ba5d74
commit bae07c9baf
24 changed files with 72 additions and 199 deletions
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10
Lib/subprocess.py
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@ -1041,8 +1041,11 @@ class Popen(object):
def _communicate(self, input):
if isinstance(input, str): # Unicode
input = input.encode("utf-8") # XXX What else?
if self.stdin:
if isinstance(input, str): # Unicode
input = input.encode("utf-8") # XXX What else?
if not isinstance(input, (bytes, str8)):
input = bytes(input)
read_set = []
write_set = []
stdout = None # Return
@ -1071,7 +1074,8 @@ class Popen(object):
# When select has indicated that the file is writable,
# we can write up to PIPE_BUF bytes without risk
# blocking. POSIX defines PIPE_BUF >= 512
bytes_written = os.write(self.stdin.fileno(), buffer(input, input_offset, 512))
chunk = input[input_offset : input_offset + 512]
bytes_written = os.write(self.stdin.fileno(), chunk)
input_offset += bytes_written
if input_offset >= len(input):
self.stdin.close()