Skip to content

Set sysconfig TZPATH on POSIX so zoneinfo finds system time zones #1207

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
graalvmbot merged 1 commit into from
Oct 13, 2026
Merged

Set sysconfig TZPATH on POSIX so zoneinfo finds system time zones #1207

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 12 additions & 0 deletions graalpython/com.oracle.graal.python.test/src/tests/test_sysconfig.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,18 @@ def test_platform_sysconfigdata():
assert sys.abiflags in sysconfig.get_config_var("INCLUDEPY")


@unittest.skipIf(sys.platform == "win32", "Windows has no system time zone database")
def test_tzpath_searches_system_time_zones():
import sysconfig
tzpath = sysconfig.get_config_var("TZPATH")
assert tzpath == "/usr/share/zoneinfo:/usr/lib/zoneinfo:/usr/share/lib/zoneinfo:/etc/zoneinfo", tzpath
import os
import subprocess
env = {k: v for k, v in os.environ.items() if k != "PYTHONTZPATH"}
out = subprocess.check_output([sys.executable, "-c", "import zoneinfo; print(':'.join(zoneinfo.TZPATH))"], env=env, text=True)
assert out.strip() == tzpath, out


@unittest.skipUnless(sys.platform == "win32", "Windows-specific sysconfig behavior")
def test_windows_libpython_is_not_exposed():
import sysconfig
Expand Down
7 changes: 7 additions & 0 deletions graalpython/lib-graalpython/_sysconfig.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,9 @@
# SOFTWARE.


_DEFAULT_TZPATH = "/usr/share/zoneinfo:/usr/lib/zoneinfo:/usr/share/lib/zoneinfo:/etc/zoneinfo"


def _append_flags(g, key, flags):
value = g.get(key, "")
parts = value.split()
Expand Down Expand Up @@ -102,4 +105,8 @@ def _update_posix_vars(config_vars=None):
_setdefault(config_vars, 'LIBDIR', __graalpython__.capi_home)
_setdefault(config_vars, 'LIBDEST', __graalpython__.capi_home)
_setdefault(config_vars, 'LIBPL', __graalpython__.capi_home.replace(os.path.sep, '/'))
if not win32_native:
# zoneinfo searches the system time zone database in TZPATH; use the
# locations CPython's configure uses by default (--with-tzpath)
_setdefault(config_vars, 'TZPATH', _DEFAULT_TZPATH)
return config_vars
Loading