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gh-76785: Add SendChannel.send_buffer() #110246

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Merged
ericsnowcurrently merged 20 commits into from
Oct 9, 2023
Merged

gh-76785: Add SendChannel.send_buffer() #110246

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ab2aa3b
Export _PyInterpreterState_LookUpID().
ericsnowcurrently Sep 9, 2023
4d103dd
Optionally free the pending call's data.
ericsnowcurrently Sep 11, 2023
faf7778
Add _Py_CallInInterpreter() and _Py_CallInInterpreterAndRawFree().
ericsnowcurrently Sep 11, 2023
5c5662d
Add PyUnstable_Buffer_ReleaseInInterpreter() and PyUnstable_Buffer_Re…
ericsnowcurrently Sep 11, 2023
573abef
Add CrossInterpreterBufferView.
ericsnowcurrently Sep 11, 2023
be7e927
Add _get_current_xibufferview_type().
ericsnowcurrently Sep 11, 2023
955989d
Add xibufferview_from_xid().
ericsnowcurrently Sep 11, 2023
05d13f5
Register memoryview for cross-interpreter use.
ericsnowcurrently Sep 11, 2023
3e4e977
Add _channels.send_buffer().
ericsnowcurrently Sep 11, 2023
1699495
Use _get_current_module_state().
ericsnowcurrently Sep 18, 2023
0c216ff
Add SendChannel.send_buffer().
ericsnowcurrently Sep 19, 2023
0ad6f41
Keep some C-API functions private for now.
ericsnowcurrently Oct 2, 2023
56e3774
Add a test.
ericsnowcurrently Oct 2, 2023
272488a
Fix SendChannel.send_buffer_nowait().
ericsnowcurrently Oct 2, 2023
ceb3dae
Fix a typo.
ericsnowcurrently Oct 2, 2023
873eec2
Add tests.
ericsnowcurrently Oct 2, 2023
da9779f
Fix SendChannel.send_buffer().
ericsnowcurrently Oct 2, 2023
dea173a
Clear the XID classes during module fini.
ericsnowcurrently Oct 3, 2023
0271b4a
Merge branch 'main' into channel-send-buffer
ericsnowcurrently Oct 4, 2023
fc15f77
Fix ref leaks.
ericsnowcurrently Oct 9, 2023
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Add tests.
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@ericsnowcurrently
ericsnowcurrently committed Oct 2, 2023
commit 873eec23c996d0d23a09d6d3109430b2e996635c
43 changes: 43 additions & 0 deletions Lib/test/test_interpreters.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1055,3 +1055,46 @@ def test_recv_nowait_default(self):
self.assertEqual(obj4, b'spam')
self.assertEqual(obj5, b'eggs')
self.assertIs(obj6, default)

def test_send_buffer(self):
buf = bytearray(b'spamspamspam')
obj = None
rch, sch = interpreters.create_channel()

def f():
nonlocal obj
while True:
try:
obj = rch.recv()
break
except interpreters.ChannelEmptyError:
time.sleep(0.1)
t = threading.Thread(target=f)
t.start()

sch.send_buffer(buf)
t.join()

self.assertIsNot(obj, buf)
self.assertIsInstance(obj, memoryview)
self.assertEqual(obj, buf)

buf[4:8] = b'eggs'
self.assertEqual(obj, buf)
obj[4:8] = b'ham.'
self.assertEqual(obj, buf)

def test_send_buffer_nowait(self):
buf = bytearray(b'spamspamspam')
rch, sch = interpreters.create_channel()
sch.send_buffer_nowait(buf)
obj = rch.recv()

self.assertIsNot(obj, buf)
self.assertIsInstance(obj, memoryview)
self.assertEqual(obj, buf)

buf[4:8] = b'eggs'
self.assertEqual(obj, buf)
obj[4:8] = b'ham.'
self.assertEqual(obj, buf)