https://github.com/python/cpython/commit/c35b812e773493f88631cd1e8be65d3a7c3b47ae
commit: c35b812e773493f88631cd1e8be65d3a7c3b47ae
branch: main
author: Jason R. Coombs <[email protected]>
committer: jaraco <[email protected]>
date: 2025-12-17T07:38:00Z
summary:
gh-142836: Avoid /proc fd pipes on Solaris (#142853)
files:
A Misc/NEWS.d/next/Tests/2025-12-17-02-02-57.gh-issue-142836.mR-fvK.rst
M Lib/test/test_pdb.py
diff --git a/Lib/test/test_pdb.py b/Lib/test/test_pdb.py
index f4c870036a7a20..5cba34ff8bad10 100644
--- a/Lib/test/test_pdb.py
+++ b/Lib/test/test_pdb.py
@@ -3563,10 +3563,22 @@ def _assert_find_function(self, file_content,
func_name, expected):
def _fd_dir_for_pipe_targets(self):
"""Return a directory exposing live file descriptors, if any."""
+ return self._proc_fd_dir() or self._dev_fd_dir()
+
+ def _proc_fd_dir(self):
+ """Return /proc-backed fd dir when it can be used for pipes."""
+ # GH-142836: Opening /proc/self/fd entries for pipes raises EACCES on
+ # Solaris, so prefer other mechanisms there.
+ if sys.platform.startswith("sunos"):
+ return None
+
proc_fd = "/proc/self/fd"
if os.path.isdir(proc_fd) and os.path.exists(os.path.join(proc_fd,
'0')):
return proc_fd
+ return None
+ def _dev_fd_dir(self):
+ """Return /dev-backed fd dir when usable."""
dev_fd = "/dev/fd"
if os.path.isdir(dev_fd) and os.path.exists(os.path.join(dev_fd, '0')):
if sys.platform.startswith("freebsd"):
@@ -3576,7 +3588,6 @@ def _fd_dir_for_pipe_targets(self):
except FileNotFoundError:
return None
return dev_fd
-
return None
def test_find_function_empty_file(self):
diff --git
a/Misc/NEWS.d/next/Tests/2025-12-17-02-02-57.gh-issue-142836.mR-fvK.rst
b/Misc/NEWS.d/next/Tests/2025-12-17-02-02-57.gh-issue-142836.mR-fvK.rst
new file mode 100644
index 00000000000000..dd84ce9839ffa9
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2025-12-17-02-02-57.gh-issue-142836.mR-fvK.rst
@@ -0,0 +1 @@
+Accommodated Solaris in ``test_pdb.test_script_target_anonymous_pipe``.
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