diff options
Diffstat (limited to 'project')
-rw-r--r-- | project/SparkBuild.scala | 60 |
1 files changed, 59 insertions, 1 deletions
diff --git a/project/SparkBuild.scala b/project/SparkBuild.scala index 5f51f4b58f..09b4976d10 100644 --- a/project/SparkBuild.scala +++ b/project/SparkBuild.scala @@ -15,7 +15,7 @@ * limitations under the License. */ -import java.io.File +import java.io._ import scala.util.Properties import scala.collection.JavaConversions._ @@ -166,6 +166,9 @@ object SparkBuild extends PomBuild { /* Enable Assembly for all assembly projects */ assemblyProjects.foreach(enable(Assembly.settings)) + /* Package pyspark artifacts in the main assembly. */ + enable(PySparkAssembly.settings)(assembly) + /* Enable unidoc only for the root spark project */ enable(Unidoc.settings)(spark) @@ -316,6 +319,7 @@ object Hive { } object Assembly { + import sbtassembly.AssemblyUtils._ import sbtassembly.Plugin._ import AssemblyKeys._ @@ -347,6 +351,60 @@ object Assembly { ) } +object PySparkAssembly { + import sbtassembly.Plugin._ + import AssemblyKeys._ + + lazy val settings = Seq( + unmanagedJars in Compile += { BuildCommons.sparkHome / "python/lib/py4j-0.8.2.1-src.zip" }, + // Use a resource generator to copy all .py files from python/pyspark into a managed directory + // to be included in the assembly. We can't just add "python/" to the assembly's resource dir + // list since that will copy unneeded / unwanted files. + resourceGenerators in Compile <+= resourceManaged in Compile map { outDir: File => + val dst = new File(outDir, "pyspark") + if (!dst.isDirectory()) { + require(dst.mkdirs()) + } + + val src = new File(BuildCommons.sparkHome, "python/pyspark") + copy(src, dst) + } + ) + + private def copy(src: File, dst: File): Seq[File] = { + src.listFiles().flatMap { f => + val child = new File(dst, f.getName()) + if (f.isDirectory()) { + child.mkdir() + copy(f, child) + } else if (f.getName().endsWith(".py")) { + var in: Option[FileInputStream] = None + var out: Option[FileOutputStream] = None + try { + in = Some(new FileInputStream(f)) + out = Some(new FileOutputStream(child)) + + val bytes = new Array[Byte](1024) + var read = 0 + while (read >= 0) { + read = in.get.read(bytes) + if (read > 0) { + out.get.write(bytes, 0, read) + } + } + + Some(child) + } finally { + in.foreach(_.close()) + out.foreach(_.close()) + } + } else { + None + } + } + } +} + object Unidoc { import BuildCommons._ |