Update project file, makefile, and documentation

Author: ghanse

CONTRIBUTING.md

@@ -15,7 +15,7 @@ warrant that you have the legal authority to do so.
 
 ## Python Compatibility
 
-The code supports Python 3.9+ and has been tested with Python 3.9.21 and later.
+The code supports Python 3.10+ and has been tested with Python 3.10 and later.
 
 ## Quick Start
 
@@ -29,7 +29,7 @@ make lint                # Check code quality
 
 # Run tests
 make test                # Run tests
-make test-cov            # Run tests with coverage report
+make coverage            # Run tests with coverage report
 
 # Build package
 make build               # Build with modern build system
@@ -48,7 +48,7 @@ All dependencies are defined in `pyproject.toml`:
 
 ## Spark Dependencies
 
-The builds have been tested against Spark 3.3.0+. This requires OpenJDK 1.8.56 or later version of Java 8.
+The builds have been tested against Spark 3.4.1+. This requires OpenJDK 1.8.56 or later version of Java 8.
 The Databricks runtimes use the Azul Zulu version of OpenJDK 8.
 These are not installed automatically by the build process.
 

dbldatagen/_version.py

@@ -51,12 +51,12 @@ def _get_spark_version(sparkVersion: str) -> VersionInfo:
         match = r.match(sparkVersion)
 
         if not match:
-            raise AttributeError(f"Provided Spark version '{sparkVersion}' is invalid")
+            raise ValueError(f"Provided Spark version '{sparkVersion}' is invalid")
 
         major, minor, patch, release = match.groups()
         spark_version_info = VersionInfo(int(major), int(minor), int(patch), release, build="0")
 
-    except (RuntimeError, AttributeError):
+    except (RuntimeError, ValueError):
         spark_version_info = VersionInfo(major=3, minor=0, patch=1, release="unknown", build="0")
         logger = logging.getLogger(__name__)
         logger.warning("Could not parse spark version - using assumed Spark Version : %s", spark_version_info)

makefile

@@ -1,4 +1,4 @@
-.PHONY: install install-dev test test-cov lint fmt clean build docs help
+.PHONY: dev test coverage lint fmt clean build docs
 
 all: clean dev lint fmt test coverage
 

pyproject.toml

@@ -21,7 +21,6 @@ classifiers = [
     "License :: Other/Proprietary License",
     "Operating System :: OS Independent",
     "Programming Language :: Python :: 3",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",