Merge pull request #2613 from devitocodes/dynamic-version

install: switch to dynamic version to avoid _version file issue

Author: FabioLuporini

devito/__init__.py

@@ -47,7 +47,12 @@
 from devito.mpatches import *  # noqa
 
 
-from ._version import version as __version__  # noqa
+from importlib.metadata import version, PackageNotFoundError
+try:
+    __version__ = version("devito")
+except PackageNotFoundError:
+    # devito is not installed
+    __version__ = '0+untagged'
 
 
 def reinit_compiler(val):

pyproject.toml

@@ -68,7 +68,6 @@ exclude = ["docs", "tests", "examples"]
 
 
 [tool.setuptools_scm]
-write_to = 'devito/_version.py'
 fallback_version = "0+untagged"
 
 [tool.flake8]