feat: Build spec job suggestion for python projects (OD-2048)

pom.xml

@@ -636,8 +636,8 @@
 		</repository>
 	</repositories>
 	<properties>
-		<commons.version>3.0.3</commons.version>
-		<agent.version>2.1.7</agent.version>
+		<commons.version>3.0.4</commons.version>
+		<agent.version>2.1.8</agent.version>
 		<slf4j.version>2.0.9</slf4j.version>
 		<logback.version>1.4.14</logback.version>
 		<antlr.version>4.7.2</antlr.version>

server-plugin/pom.xml

@@ -23,6 +23,7 @@
 		<module>server-plugin-buildspec-dotnet</module>
 		<module>server-plugin-buildspec-gradle</module>
 		<module>server-plugin-buildspec-node</module>
+		<module>server-plugin-buildspec-python</module>
 		<module>server-plugin-authenticator-ldap</module>
 		<module>server-plugin-mailservice-smtpimap</module>
 		<module>server-plugin-mailservice-office365</module>

server-plugin/server-plugin-buildspec-python/pom.xml

@@ -0,0 +1,13 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<artifactId>server-plugin-buildspec-python</artifactId>
+	<parent>
+		<groupId>io.onedev</groupId>
+		<artifactId>server-plugin</artifactId>
+		<version>11.0.8</version>
+	</parent>
+	<properties>
+		<moduleClass>io.onedev.server.plugin.buildspec.python.PythonModule</moduleClass>
+	</properties>
+</project>

server-plugin/server-plugin-buildspec-python/src/main/java/io/onedev/server/plugin/buildspec/python/PythonJobSuggestion.java

@@ -0,0 +1,73 @@
+package io.onedev.server.plugin.buildspec.python;
+
+import com.google.common.collect.Lists;
+import io.onedev.server.buildspec.job.Job;
+import io.onedev.server.buildspec.job.JobSuggestion;
+import io.onedev.server.buildspec.job.trigger.BranchUpdateTrigger;
+import io.onedev.server.buildspec.job.trigger.PullRequestUpdateTrigger;
+import io.onedev.server.buildspec.step.*;
+import io.onedev.server.git.BlobIdent;
+import io.onedev.server.model.Project;
+import org.eclipse.jgit.lib.FileMode;
+import org.eclipse.jgit.lib.ObjectId;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+public class PythonJobSuggestion implements JobSuggestion {
+	
+	@Override
+	public Collection<Job> suggestJobs(Project project, ObjectId commitId) {
+		Collection<Job> jobs = new ArrayList<>();
+		if (project.getBlob(new BlobIdent(commitId.name(), "poetry.lock", FileMode.TYPE_FILE), false) != null) {
+			Job job = new Job();
+			job.setName("python ci");
+			
+			CheckoutStep checkout = new CheckoutStep();
+			checkout.setName("checkout code");
+			job.getSteps().add(checkout);
+
+			var generateChecksum = new GenerateChecksumStep();
+			generateChecksum.setName("generate poetry lock checksum");
+			generateChecksum.setFiles("poetry.lock");
+			generateChecksum.setTargetFile("checksum");
+			job.getSteps().add(generateChecksum);
+
+			var setupCache = new SetupCacheStep();
+			setupCache.setName("set up poetry cache");
+			setupCache.setKey("poetry_cache_@file:checksum@");
+			setupCache.setPaths(Lists.newArrayList("/root/.cache/pypoetry"));
+			setupCache.getLoadKeys().add("poetry_cache");
+			job.getSteps().add(setupCache);
+			
+			CommandStep detectBuildVersion = new CommandStep();
+			detectBuildVersion.setName("detect build version");
+			detectBuildVersion.setImage("alpine");
+			detectBuildVersion.getInterpreter().setCommands("" +
+					"apk add yq\n" +
+					"yq '.tool.poetry.version' pyproject.toml > buildVersion\n");
+			job.getSteps().add(detectBuildVersion);
+			
+			SetBuildVersionStep setBuildVersion = new SetBuildVersionStep();
+			setBuildVersion.setName("set build version");
+			setBuildVersion.setBuildVersion("@file:buildVersion@");
+			job.getSteps().add(setBuildVersion);
+
+			CommandStep build = new CommandStep();
+			build.setName("test");
+			build.setImage("python");
+			build.getInterpreter().setCommands("" +
+					"curl -sSL https://install.python-poetry.org | python\n" +
+					"/root/.local/bin/poetry install\n" +
+					"/root/.local/bin/poetry run pytest\n");
+			job.getSteps().add(build);
+
+			job.getTriggers().add(new BranchUpdateTrigger());
+			job.getTriggers().add(new PullRequestUpdateTrigger());
+			
+			jobs.add(job);
+		}		
+		return jobs;
+	}
+
+}

server-plugin/server-plugin-buildspec-python/src/main/java/io/onedev/server/plugin/buildspec/python/PythonModule.java

@@ -0,0 +1,20 @@
+package io.onedev.server.plugin.buildspec.python;
+
+import io.onedev.commons.loader.AbstractPluginModule;
+import io.onedev.server.buildspec.job.JobSuggestion;
+
+/**
+ * NOTE: Do not forget to rename moduleClass property defined in the pom if you've renamed this class.
+ *
+ */
+public class PythonModule extends AbstractPluginModule {
+
+	@Override
+	protected void configure() {
+		super.configure();
+		
+		// put your guice bindings here
+		contribute(JobSuggestion.class, PythonJobSuggestion.class);
+	}
+
+}

server-product/pom.xml

@@ -60,6 +60,11 @@
 			<artifactId>server-plugin-buildspec-dotnet</artifactId>
 			<version>${project.version}</version>
 		</dependency>
+		<dependency>
+			<groupId>io.onedev</groupId>
+			<artifactId>server-plugin-buildspec-python</artifactId>
+			<version>${project.version}</version>
+		</dependency>
 		<dependency>
 			<groupId>io.onedev</groupId>
 			<artifactId>server-plugin-buildspec-node</artifactId>