(Optional) Gradle build

.gitignore

@@ -179,3 +179,17 @@ pyvenv.cfg
 pip-selfcheck.json
 .idea
 cache.sqlite
+.gradle
+/build/
+
+# Ignore Gradle GUI config
+gradle-app.setting
+
+# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
+!gradle-wrapper.jar
+
+# Cache of project
+.gradletasknamecache
+
+# # Work around https://youtrack.jetbrains.com/issue/IDEA-116898
+# gradle/wrapper/gradle-wrapper.properties

README.md

@@ -5,7 +5,7 @@ These scripts analyze the macrogenetic data from the data/xml/macrogenesis folde
 
 ### Installation and Usage
 
-Python ≥ 3.6 and GraphViz ≤ 2.38 or ≥ 2.41 need to be installed separately.
+Python ≥ 3.7 and GraphViz ≤ 2.38 or ≥ 2.41 need to be installed separately.
 
 ```bash
 git submodules update --init --remote
@@ -15,6 +15,10 @@ macrogen
 
 will produce the output.
 
+### Using the Gradle build
+
+The included Gradle script provides tasks to setup a suitable python version, install the macrogenesis library and all of its dependencies, and run the analysis. It still requires Graphviz to be installed.
+
 ### Additional Configuration
 
 Macrogenesis data structure is documented elsewhere (TODO Link).

build.gradle

@@ -0,0 +1,81 @@
+plugins {
+    id "base"
+    id "com.jetbrains.python.envs" version "0.0.30"
+}
+
+if (project != rootProject) {
+	project.buildDir = rootProject.buildDir
+	logger.info("Using root project's buildDir: $buildDir")
+}
+
+if (!project.hasProperty('dataDir')) {
+	def dataDirCandidate = rootProject.file('data/xml')
+	if (dataDirCandidate.isDirectory())
+		project.ext.dataDir = dataDirCandidate
+	else {
+		throw new FileNotFoundException("Data directory not found. Either put data into $dataDirCandidate, or set the dataDir property.")
+	}
+	logger.info("Using data from $dataDirCandidate")
+}
+
+
+envs {
+    bootstrapDirectory = new File(buildDir, 'tools')
+    envsDirectory = new File(buildDir, 'envs')
+
+    python "python37", "3.7.4", []
+    virtualenv "macrogen", "python37"
+    project.ext.venv = new File(buildDir, 'envs/macrogen')
+}
+
+def addInputArg(AbstractExecTask task, GString option, Object file) {
+	task.args(option, file)
+	task.inputs(file)
+}
+
+def configureMacrogenTasks(AbstractExecTask... tasks) {
+	for (AbstractExecTask task in tasks) {
+		task.group 'macrogen'
+		task.executable("$venv/bin/macrogen")
+
+		if (rootProject != project) {
+			addInputArg(task, '--sigils', "$buildDir/sigils.json")
+			addInputArg(task, '--paralipomena', "$buildDir/www/data/paralipomena.js")
+            task.args('--progressbar', 'false')
+		}
+	}
+}
+
+task installMacrogen(type: Exec) {
+	description 'Installs the macrogenesis tool and its requirements'
+	group 'macrogen'
+	dependsOn 'build_envs'
+
+	executable "$venv/bin/pip"
+	workingDir projectDir
+	args "install", "-U", "-e", "."
+}
+
+task runMacrogenComplete(type: Exec) {
+	description 'Runs the complete macrogenesis analysis and configuration'
+	dependsOn installMacrogen
+}
+
+task runMacrogenAnalysis(type: Exec) {
+	description 'Runs the macrogenesis analysis phase'
+	dependsOn installMacrogen
+	args "--skip-reports"
+	args "-o", "$buildDir/macrogen-graphs.zip"
+    args "--order", "$buildDir/order.xml"
+	outputs.file "$buildDir/macrogen-graphs.zip"
+	outputs.file "$buildDir/order.xml"
+}
+
+task runMacrogenReporting(type: Exec) {
+	description 'Runs the macrogenesis reporting phase'
+	dependsOn runMacrogenAnalysis
+	args "-i", "$buildDir/macrogen-graphs.zip"
+	inputs.file("$buildDir/macrogen-graphs.zip")
+}
+
+configureMacrogenTasks(runMacrogenAnalysis, runMacrogenReporting, runMacrogenComplete)