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bpo-45975: Simplify some while-loops with walrus operator (GH-29347)

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Nick Drozd 2022-11-26 16:33:25 -06:00 • committed by GitHub
parent 25bc115df9
commit 024ac542d7
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GPG key ID: 4AEE18F83AFDEB23
28 changed files with 41 additions and 153 deletions
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16
Lib/http/client.py
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@ -578,11 +578,7 @@ class HTTPResponse(io.BufferedIOBase):
assert self.chunked != _UNKNOWN
value = []
try:
while True:
chunk_left = self._get_chunk_left()
if chunk_left is None:
break
while (chunk_left := self._get_chunk_left()) is not None:
if amt is not None and amt <= chunk_left:
value.append(self._safe_read(amt))
self.chunk_left = chunk_left - amt
@ -998,10 +994,7 @@ class HTTPConnection:
encode = self._is_textIO(data)
if encode and self.debuglevel > 0:
print("encoding file using iso-8859-1")
while 1:
datablock = data.read(self.blocksize)
if not datablock:
break
while datablock := data.read(self.blocksize):
if encode:
datablock = datablock.encode("iso-8859-1")
sys.audit("http.client.send", self, datablock)
@ -1031,10 +1024,7 @@ class HTTPConnection:
encode = self._is_textIO(readable)
if encode and self.debuglevel > 0:
print("encoding file using iso-8859-1")
while True:
datablock = readable.read(self.blocksize)
if not datablock:
break
while datablock := readable.read(self.blocksize):
if encode:
datablock = datablock.encode("iso-8859-1")
yield datablock

9
Lib/http/cookiejar.py
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@ -1915,9 +1915,7 @@ class LWPCookieJar(FileCookieJar):
"comment", "commenturl")
try:
while 1:
line = f.readline()
if line == "": break
while (line := f.readline()) != "":
if not line.startswith(header):
continue
line = line[len(header):].strip()
@ -2017,12 +2015,9 @@ class MozillaCookieJar(FileCookieJar):
filename)
try:
while 1:
line = f.readline()
while (line := f.readline()) != "":
rest = {}
if line == "": break
# httponly is a cookie flag as defined in rfc6265
# when encoded in a netscape cookie file,
# the line is prepended with "#HttpOnly_"