Get package version from library metadata (#1608)

* Get package version from pyproject.toml

Signed-off-by: paul.profizi <[email protected]>

* Make it retro-compatible with old Python versions in older DPF servers

Signed-off-by: paul.profizi <[email protected]>

* Fix package name for importlib_metadata.version

Signed-off-by: paul.profizi <[email protected]>

---------

Signed-off-by: paul.profizi <[email protected]>

Author: PProfizi

src/ansys/dpf/core/__init__.py

@@ -1,8 +1,12 @@
 import os
 import pkg_resources
 
-from ansys.dpf.core._version import __version__
+try:
+    import importlib.metadata as importlib_metadata
+except ImportError:  # Python < 3.10 (backport)
+    import importlib_metadata as importlib_metadata
 
+__version__ = importlib_metadata.version("ansys-dpf-core")
 
 # Setup data directory
 USER_DATA_PATH = None

src/ansys/dpf/core/_version.py

@@ -1,12 +1,4 @@
 """Version for ansys-dpf-core"""
-# major, minor, patch
-
-version_info = 0, 12, 3, "dev0"
-
-
-# Nice string for the version
-__version__ = ".".join(map(str, version_info))
-
 # Minimal DPF server version supported
 min_server_version = "4.0"
 

src/ansys/dpf/core/server_types.py

@@ -21,8 +21,8 @@
 
 import ansys.dpf.core as core
 from ansys.dpf.core.check_version import server_meet_version
-from ansys.dpf.core import errors, server_factory
-from ansys.dpf.core._version import min_server_version, server_to_ansys_version, __version__
+from ansys.dpf.core import errors, server_factory, __version__
+from ansys.dpf.core._version import min_server_version, server_to_ansys_version
 from ansys.dpf.core import server_context
 from ansys.dpf.gate import load_api, data_processing_grpcapi