gh-109237: Fix test_site for non-ASCII working directory (#109238)

Fix test_site.test_underpth_basic() when the working directory contains at least one non-ASCII character: encode the "._pth" file to UTF-8 and enable the UTF-8 Mode to use UTF-8 for the child process stdout.
python · Sep 10, 2023 · cbb3a6f · cbb3a6f
1 parent d6892c2
commit cbb3a6f
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/Lib/test/test_site.py b/Lib/test/test_site.py
@@ -576,7 +576,7 @@ def _create_underpth_exe(self, lines, exe_pth=True):
                 _pth_file = os.path.splitext(exe_file)[0] + '._pth'
             else:
                 _pth_file = os.path.splitext(dll_file)[0] + '._pth'
-            with open(_pth_file, 'w') as f:
+            with open(_pth_file, 'w', encoding='utf8') as f:
                 for line in lines:
                     print(line, file=f)
             return exe_file
@@ -613,7 +613,7 @@ def test_underpth_basic(self):
             os.path.dirname(exe_file),
             pth_lines)
 
-        output = subprocess.check_output([exe_file, '-c',
+        output = subprocess.check_output([exe_file, '-X', 'utf8', '-c',
             'import sys; print("\\n".join(sys.path) if sys.flags.no_site else "")'
         ], encoding='utf-8', errors='surrogateescape')
         actual_sys_path = output.rstrip().split('\n')

diff --git a/Misc/NEWS.d/next/Tests/2023-09-10-22-32-20.gh-issue-109237.SvgKwD.rst b/Misc/NEWS.d/next/Tests/2023-09-10-22-32-20.gh-issue-109237.SvgKwD.rst
@@ -0,0 +1,4 @@
+Fix ``test_site.test_underpth_basic()`` when the working directory contains
+at least one non-ASCII character: encode the ``._pth`` file to UTF-8 and
+enable the UTF-8 Mode to use UTF-8 for the child process stdout. Patch by
+Victor Stinner.