GP-0: Moving hasPythonPackage.gradle and hasProtobuf.gradle.

They are generic and non-debugger things want to use them.

gradle/hasPythonPackage.gradle

@@ -0,0 +1,80 @@
+/* ###
+ * IP: GHIDRA
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+/**
+ * NOTE: Supported Python3 command is established by root project build.gradle
+ */
+
+ext.findPyDep = { name ->
+    File inDeps = file("${DEPS_DIR}/${project.name}/${name}")
+    File inRepo = file("${BIN_REPO}/${getGhidraRelativePath(project)}/${name}")
+    if (inDeps.exists()) {
+        return inDeps
+    }
+    if (inRepo.exists()) {
+        return inRepo
+    }
+    println("Warning: Could not find '${name}' for ${project.name}")
+    return inDeps
+}
+
+task assemblePyPackage(type: Copy) {
+	from "src/main/py"
+	into "build/pypkg/"
+}
+
+task buildPyPackage {
+	ext.dist = { file("build/pypkg/dist") }
+	inputs.files(assemblePyPackage)
+	outputs.dir(dist)
+
+	doLast {
+		File setuptools = project(":Debugger-rmi-trace").findPyDep(".")
+		exec {
+			workingDir { "build/pypkg" }
+			commandLine	rootProject.PYTHON3, "-m", "pip"
+			args "wheel", "-w", "dist/", "--no-index", "--no-deps"
+			args "-f", setuptools
+			args "."
+		}
+	}
+}
+
+// At the moment, any module with a python package also distributes it.
+// We can separate this into `distributePythonPackage` later, if necessary.
+
+rootProject.assembleDistribution {
+	dependsOn(buildPyPackage)
+	def p = this.project
+	def zipPath = getZipPath(p)
+	from (p.assemblePyPackage) {
+		exclude '**/*.pyc'
+		exclude '**/*.pyo'
+		exclude '**/__pycache__/**'
+		exclude 'dist/*.tar.gz'
+		into { zipPath + "/pypkg" }
+	}
+}
+
+ext.distributePyDep = { name ->
+    File dep = findPyDep(name)
+    def zipPath = getZipPath(project) 
+    rootProject.assembleDistribution {
+        into ("${zipPath}/pypkg/dist") {
+            from dep
+        }
+    }
+}