8000 gh-121249: Support _Complex types in the struct module by skirpichev · Pull Request #121613 · python/cpython · GitHub
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gh-121249: Support _Complex types in the struct module #121613

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Merged
merged 12 commits into from
Oct 7, 2024
Merged

gh-121249: Support _Complex types in the struct module #121613

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c60f4a4
gh-121249: Support _Complex types in the struct module
skirpichev Jun 30, 2024
3aac6d1
Apply suggestions from code review
skirpichev Jul 11, 2024
785396a
Update Doc/library/struct.rst
skirpichev Jul 13, 2024
e5e04c8
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skirpichev Jul 13, 2024
fec6be6
raise a custom error on systems without native complex numbers
skirpichev Jul 13, 2024
caaef44
address review: separate tests
skirpichev Jul 13, 2024
3256f9d
Merge branch 'master' into complex-in-struct-module-121249
skirpichev Oct 7, 2024
4097aaf
+ use ComplexesAreIdenticalMixin from test.support
skirpichev Oct 7, 2024
5fe6c35
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skirpichev Oct 7, 2024
0a9240f
Merge branch 'master' into complex-in-struct-module-121249
skirpichev Oct 7, 2024
4820f19
+ fixed typo in lp_double_complex()
skirpichev Oct 7, 2024
fbd189f
address review: clean up useless type casts in the struct module
skirpichev Oct 7, 2024
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address review: separate tests
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@skirpichev
skirpichev committed Jul 13, 2024
commit caaef44f08b2c05a6a59932f52ff19213fa2409f
27 changes: 14 additions & 13 deletions Lib/test/test_struct.py
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Original file line number Diff line number Diff line change
Expand Up @@ -812,20 +812,8 @@ def test_repr(self):
s = struct.Struct('=i2H')
self.assertEqual(repr(s), f'Struct({s.format!r})')

@unittest.skipUnless(have_c_complex, "requires C11 complex type")
def test_c_complex_round_trip(self):
if not have_c_complex:
msg1 = "'E' format not supported on this system"
msg2 = "'C' format not supported on this system"
with self.assertRaisesRegex(struct.error, msg1):
struct.pack('E', 1j)
with self.assertRaisesRegex(struct.error, msg1):
struct.unpack('E', b'1')
with self.assertRaisesRegex(struct.error, msg2):
struct.pack('C', 1j)
with self.assertRaisesRegex(struct.error, msg2):
struct.unpack('C', b'1')
return

values = [complex(*_) for _ in combinations([1, -1, 0.0, -0.0, 2,
-3, INF, -INF, NAN], 2)]
for z in values:
Expand All @@ -834,6 +822,19 @@ def test_c_complex_round_trip(self):
round_trip = struct.unpack(f, struct.pack(f, z))[0]
self.assertComplexesAreIdentical(z, round_trip)

@unittest.skipIf(have_c_complex, "requires no C11 complex type")
def test_c_complex_error(self):
msg1 = "'E' format not supported on this system"
msg2 = "'C' format not supported on this system"
with self.assertRaisesRegex(struct.error, msg1):
struct.pack('E', 1j)
with self.assertRaisesRegex(struct.error, msg1):
struct.unpack('E', b'1')
with self.assertRaisesRegex(struct.error, msg2):
struct.pack('C', 1j)
with self.assertRaisesRegex(struct.error, msg2):
struct.unpack('C', b'1')


class UnpackIteratorTest(unittest.TestCase):
"""
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