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gh-124621: Emscripten: Support pyrepl in browser #136931

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Merged
ambv merged 8 commits into from
Jul 22, 2025
Merged

gh-124621: Emscripten: Support pyrepl in browser #136931

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733846c
gh-124621: Emscripten: Support pyrepl
hoodmane Jul 21, 2025
50c9932
Add blurb
hoodmane Jul 21, 2025
c83eb65
Fix makefile
hoodmane Jul 21, 2025
d764db8
Be a little petty about color choices
ambv Jul 21, 2025
60e65f5
Add some extra test skips
hoodmane Jul 21, 2025
79424a4
Implement FIONBIO using fcntl
hoodmane Jul 21, 2025
d108ea7
Apply suggestions from code review
hoodmane Jul 22, 2025
483c6ec
Merge branch 'main' into pyrepl-emscripten
hoodmane Jul 22, 2025
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Add some extra test skips
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@hoodmane
hoodmane committed Jul 21, 2025
commit 60e65f5292570eaf9fb9cb365436d661bbb39c03
5 changes: 4 additions & 1 deletion Lib/test/test_fcntl.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@
import sys
import unittest
from test.support import (
cpython_only, get_pagesize, is_apple, requires_subprocess, verbose
cpython_only, get_pagesize, is_apple, requires_subprocess, verbose, is_emscripten
)
from test.support.import_helper import import_module
from test.support.os_helper import TESTFN, unlink, make_bad_fd
Expand Down Expand Up @@ -211,6 +211,7 @@ def test_fcntl_f_getpath(self):
@unittest.skipUnless(
hasattr(fcntl, "F_SETPIPE_SZ") and hasattr(fcntl, "F_GETPIPE_SZ"),
"F_SETPIPE_SZ and F_GETPIPE_SZ are not available on all platforms.")
@unittest.skipIf(is_emscripten, "Emscripten pipefs doesn't support these")
def test_fcntl_f_pipesize(self):
test_pipe_r, test_pipe_w = os.pipe()
try:
Expand Down Expand Up @@ -265,12 +266,14 @@ def _check_fcntl_not_mutate_len(self, nbytes=None):
@unittest.skipUnless(
hasattr(fcntl, "F_SETOWN_EX") and hasattr(fcntl, "F_GETOWN_EX"),
"requires F_SETOWN_EX and F_GETOWN_EX")
@unittest.skipIf(is_emscripten, "Emscripten doesn't actually support these")
def test_fcntl_small_buffer(self):
self._check_fcntl_not_mutate_len()

@unittest.skipUnless(
hasattr(fcntl, "F_SETOWN_EX") and hasattr(fcntl, "F_GETOWN_EX"),
"requires F_SETOWN_EX and F_GETOWN_EX")
@unittest.skipIf(is_emscripten, "Emscripten doesn't actually support these")
def test_fcntl_large_buffer(self):
self._check_fcntl_not_mutate_len(2024)

Expand Down
2 changes: 2 additions & 0 deletions Lib/test/test_signal.py
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Original file line number Diff line number Diff line change
Expand Up @@ -254,6 +254,7 @@ def test_invalid_socket(self):
signal.set_wakeup_fd, fd)

@unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
@unittest.skipIf(support.is_emscripten, "Doesn't work")
def test_set_wakeup_fd_result(self):
r1, w1 = os.pipe()
self.addCleanup(os.close, r1)
Expand Down Expand Up @@ -292,6 +293,7 @@ def test_set_wakeup_fd_socket_result(self):
# function to test if a socket is in non-blocking mode.
@unittest.skipIf(sys.platform == "win32", "tests specific to POSIX")
@unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()")
@unittest.skipIf(support.is_emscripten, "Doesn't work")
def test_set_wakeup_fd_blocking(self):
rfd, wfd = os.pipe()
self.addCleanup(os.close, rfd)
Expand Down
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