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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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20
Lib/test/test_lzma.py
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@ -825,10 +825,7 @@ class FileTestCase(unittest.TestCase):
def test_read_10(self):
with LZMAFile(BytesIO(COMPRESSED_XZ)) as f:
chunks = []
while True:
result = f.read(10)
if not result:
break
while result := f.read(10):
self.assertLessEqual(len(result), 10)
chunks.append(result)
self.assertEqual(b"".join(chunks), INPUT)
@ -911,10 +908,7 @@ class FileTestCase(unittest.TestCase):
def test_read1(self):
with LZMAFile(BytesIO(COMPRESSED_XZ)) as f:
blocks = []
while True:
result = f.read1()
if not result:
break
while result := f.read1():
blocks.append(result)
self.assertEqual(b"".join(blocks), INPUT)
self.assertEqual(f.read1(), b"")
@ -926,10 +920,7 @@ class FileTestCase(unittest.TestCase):
def test_read1_10(self):
with LZMAFile(BytesIO(COMPRESSED_XZ)) as f:
blocks = []
while True:
result = f.read1(10)
if not result:
break
while result := f.read1(10):
blocks.append(result)
self.assertEqual(b"".join(blocks), INPUT)
self.assertEqual(f.read1(), b"")
@ -937,10 +928,7 @@ class FileTestCase(unittest.TestCase):
def test_read1_multistream(self):
with LZMAFile(BytesIO(COMPRESSED_XZ * 5)) as f:
blocks = []
while True:
result = f.read1()
if not result:
break
while result := f.read1():
blocks.append(result)
self.assertEqual(b"".join(blocks), INPUT * 5)
self.assertEqual(f.read1(), b"")