Add Support for Python 3.12 (#123)

Using alternative to pkg_resources for getting the package version (python 3.12 does not have this module).

.github/workflows/pull-request.yaml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.11"]
+        python-version: ["3.8", "3.12"]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}

dune_client/util.py

@@ -1,10 +1,9 @@
 """Utility methods for package."""
 
 from datetime import datetime, timezone
+import importlib
 from typing import Optional
 
-import pkg_resources
-
 DUNE_DATE_FORMAT = "%Y-%m-%d %H:%M:%S"
 
 
@@ -15,11 +14,12 @@ def postgres_date(date_str: str) -> datetime:
 
 def get_package_version(package_name: str) -> Optional[str]:
     """
-    Returns the package version by `package_name`
+    Returns the package version by `package_name` using the importlib.metadata module
+    which is available in Python 3.8 and later.
     """
     try:
-        return pkg_resources.get_distribution(package_name).version
-    except pkg_resources.DistributionNotFound:
+        return importlib.metadata.version(package_name)
+    except importlib.metadata.PackageNotFoundError:
         return None