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bpo-33671: allow setting shutil.copyfile() bufsize globally (GH-12016)

This commit is contained in:
Giampaolo Rodola 2019-02-24 15:46:40 -08:00 committed by Inada Naoki
parent ef4ac967e2
commit 3b0abb0196
1 changed files with 3 additions and 1 deletions
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4
Lib/shutil.py
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@ -187,9 +187,11 @@ def _copyfileobj_readinto(fsrc, fdst, length=COPY_BUFSIZE):
else: else:
fdst_write(mv) fdst_write(mv)
def copyfileobj(fsrc, fdst, length=COPY_BUFSIZE): def copyfileobj(fsrc, fdst, length=0):
"""copy data from file-like object fsrc to file-like object fdst""" """copy data from file-like object fsrc to file-like object fdst"""
# Localize variable access to minimize overhead. # Localize variable access to minimize overhead.
if not length:
length = COPY_BUFSIZE
fsrc_read = fsrc.read fsrc_read = fsrc.read
fdst_write = fdst.write fdst_write = fdst.write
while True: while True: