pymbolic/maxima.py

 from pymbolic.interop.maxima import *  # noqa
 
 from warnings import warn
+
 warn("pymbolic.maxima is deprecated. Use pymbolic.interop.maxima instead",
-        DeprecationWarning)
+     DeprecationWarning, stacklevel=1)

pymbolic/sympy_interface.py

 from pymbolic.interop.sympy import *  # noqa
 
 from warnings import warn
+
 warn("pymbolic.sympy_interface is deprecated. Use pymbolic.interop.sympy instead",
-        DeprecationWarning)
+     DeprecationWarning, stacklevel=1)

pymbolic/version.py

-VERSION = (2017, 1)
-VERSION_STATUS = ""
-VERSION_TEXT = ".".join(str(x) for x in VERSION) + VERSION_STATUS
+from __future__ import annotations
+
+from importlib import metadata
+
+
+def _parse_version(version: str) -> tuple[tuple[int, ...], str]:
+    import re
+
+    m = re.match(r"^([0-9.]+)([a-z0-9]*?)$", VERSION_TEXT)
+    assert m is not None
+
+    return tuple(int(nr) for nr in m.group(1).split(".")), m.group(2)
+
+
+VERSION_TEXT = metadata.version("pymbolic")
+VERSION, VERSION_STATUS = _parse_version(VERSION_TEXT)