GP-4570 Moved python3 search to root project

build.gradle

@@ -45,6 +45,12 @@ if ("32".equals(System.getProperty("sun.arch.data.model"))) {
 	throw new GradleException("\n\n\t32-bit Java detected!  Please use 64-bit Java.\n\n");
 }
 
+/***************************************************************************************
+ * Identify supported Python command
+ ***************************************************************************************/
+project.ext.SUPPORTED_PY_VERSIONS = ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+project.ext.PYTHON3 = findPython3()
+
 /*********************************************************************************
  *  Define the location of bin repo
  *********************************************************************************/
@@ -145,6 +151,74 @@ def checkGradleVersion() {
 	}
 }
 
+
+/*********************************************************************************
+ * Identifies supported python3 command to be used when building and checks for pip install.
+ * Although warnings may be produced no exception is thrown since python only required
+ * for specific build tasks and is not required for prepdev
+ *********************************************************************************/
+def checkPythonVersion(String pyCmd) {
+	try {
+		def stdout = new ByteArrayOutputStream()
+		exec {
+			commandLine pyCmd, "-c", "import sys; print('{0}.{1}'.format(*sys.version_info))"
+			standardOutput = stdout
+			errorOutput = OutputStream.nullOutputStream()
+		}
+		def version = "$stdout".strip()
+		return version
+	}
+	catch (Exception e) {
+		return "ABSENT"
+	}
+}
+
+def checkPip(String pyCmd) {
+	try {
+		def stdout = new ByteArrayOutputStream()
+		exec {
+			commandLine pyCmd, "-c", "import pip; print(pip.__version__)"
+			standardOutput = stdout
+			errorOutput = OutputStream.nullOutputStream()
+		}
+		def version = "$stdout".strip();
+		if (version.length() == 0) {
+			println("Warning: Python3 pip not installed (required for build)")
+		}
+		else {
+			println("Python3 pip version: ${version}")
+		}
+		return version
+	}
+	catch (Exception e) {
+		println("Warning: Python3 pip not installed (required for build)")
+	}
+}
+
+def findPython3() {
+	for (pyCmd in ['py', 'python3', 'python']) {
+		def pyVer = checkPythonVersion(pyCmd)
+		if (pyVer in SUPPORTED_PY_VERSIONS) {
+			println("Python3 command:  ${pyCmd} (version ${pyVer})")
+			checkPip(pyCmd)
+			return pyCmd
+		}
+	}
+	for (pyVer in SUPPORTED_PY_VERSIONS) {
+		def pyCmd = "python${pyVer}"
+		if (checkPythonVersion(pyCmd) in SUPPORTED_PY_VERSIONS) {
+			println("Python3 command:  ${pyCmd}")
+			checkPip(pyCmd)
+			return pyCmd
+		}
+	}
+	// Don't fail until task execution. Just let "python3" fail.
+	// Force use of non-existent python3.7 instead of unsupported python version
+	// which should fail if a python build is performed.
+	println("Warning: Python3 command not found (required for build)")
+	return 'python3.7'
+}
+
 /******************************************************************************************
  *
  * Utility methods used by multiple build.gradle files

gradle/debugger/hasPythonPackage.gradle

@@ -13,79 +13,10 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-
+ 
-def checkPythonVersion(String pyCmd) {
+/**
-	try {
+ * NOTE: Supported Python3 command is established by root project build.gradle
-		def stdout = new ByteArrayOutputStream()
+ */
-		exec {
-			commandLine pyCmd, "-c", "import sys; print('{0}.{1}'.format(*sys.version_info))"
-			standardOutput = stdout
-			errorOutput = OutputStream.nullOutputStream()
-		}
-		def version = "$stdout".strip()
-		return version
-	}
-	catch (Exception e) {
-		return "ABSENT"
-	}
-}
-
-ext.MIN_PIP_VERSION = [20, 2] // 20.2+
-
-def checkPipVersion(String pyCmd) {
-	try {
-		def stdout = new ByteArrayOutputStream()
-		exec {
-			commandLine pyCmd, "-c", "import pip; print(pip.__version__)"
-			standardOutput = stdout
-			errorOutput = OutputStream.nullOutputStream()
-		}
-		def version = "$stdout".strip();
-		if (version.length() == 0) {
-			println("Warning: python pip not installed (required for build)")
-		}
-		else {
-			println("Found python pip version ${version}")
-			def (majorVer, minorVer) = version.tokenize('.')
-			def major = majorVer.toInteger()
-			def minor = minorVer.toInteger()
-			if (major < MIN_PIP_VERSION[0] || (major == MIN_PIP_VERSION[0] && minor < MIN_PIP_VERSION[1])) {
-				println("Warning: python pip may require upgrade")
-			}
-		}
-		return version
-	}
-	catch (Exception e) {
-		println("Warning: python pip not installed")
-	}
-}
-
-ext.SUPPORTED_PY_VERSIONS = ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
-
-def findPython3() {
-	for (pyCmd in ['py', 'python3', 'python']) {
-		def pyVer = checkPythonVersion(pyCmd)
-		if (pyVer in SUPPORTED_PY_VERSIONS) {
-			println("Using python command:  ${pyCmd} (version ${pyVer})")
-			checkPipVersion(pyCmd)
-			return pyCmd
-		}
-	}
-	for (pyVer in SUPPORTED_PY_VERSIONS) {
-		def pyCmd = "python${pyVer}"
-		if (checkPythonVersion(pyCmd) in SUPPORTED_PY_VERSIONS) {
-			println("Using python command:  ${pyCmd}")
-			checkPipVersion(pyCmd)
-			return pyCmd
-		}
-	}
-	// Don't fail until task execution. Just let "python3" fail.
-	// Force use of non-existent python3.7 instead of unsupported python version
-	// which should fail if a python build is performed.
-	return 'python3.7'
-}
-
-ext.PYTHON3 = findPython3()
 
 ext.findPyDep = { name ->
     File inDeps = file("${DEPS_DIR}/${project.name}/${name}")
@@ -114,7 +45,7 @@ task buildPyPackage {
 		File setuptools = project(":Debugger-rmi-trace").findPyDep(".")
 		exec {
 			workingDir { "build/pypkg" }
-			commandLine	PYTHON3, "-m", "pip"
+			commandLine	rootProject.PYTHON3, "-m", "pip"
 			args "wheel", "-w", "dist/", "--no-index", "--no-deps"
 			args "-f", setuptools
 			args "."