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build.scala
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build.scala
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import java.io.File
import java.lang.ProcessBuilder.Redirect
object BuildUtils {
def join(root: File, folders: String*): File = {
folders.foldLeft(root) { case (f, s) => new File(f, s) }
}
def join(folders: String*): File = {
join(new File(folders.head), folders.tail *)
}
def isWindows: Boolean = {
sys.props("os.name").toLowerCase.contains("windows")
}
def osPrefix: Seq[String] = {
if (isWindows) {
Seq("cmd", "/C")
} else {
Seq()
}
}
def pythonizedVersion(version: String): String = {
version match {
case s if s.contains("-") => s.split("-".head).head + ".dev1"
case s => s
}
}
def runCmd(cmd: Seq[String],
wd: File = new File("."),
envVars: Map[String, String] = Map(),
retries: Int = 0): Unit = {
def executeAttempt(remainingRetries: Int): Unit = {
val pb = new ProcessBuilder()
.directory(wd)
.command(cmd *)
.redirectError(Redirect.INHERIT)
.redirectOutput(Redirect.INHERIT)
val env = pb.environment()
envVars.foreach(p => env.put(p._1, p._2))
try {
val result = pb.start().waitFor()
if (result != 0) {
throw new Exception(s"Execution resulted in non-zero exit code: $result")
}
} catch {
case e: Exception if remainingRetries > 0 =>
println(s"Warning: Retrying due to error - ${e.getMessage}")
executeAttempt(remainingRetries - 1)
}
}
executeAttempt(retries)
}
def runCmdStr(cmd: String): Unit = runCmd(cmd.split(" "), new File("."), Map())
def condaEnvName: String = "synapseml"
def activateCondaEnv: Seq[String] = {
if (sys.props("os.name").toLowerCase.contains("windows")) {
osPrefix ++ Seq("activate", condaEnvName, "&&")
} else {
Seq()
//TODO figure out why this doesn't work
//Seq("/bin/bash", "-l", "-c", "source activate " + condaEnvName, "&&")
}
}
def packagePythonWheelCmd(packageDir: String,
workDir: File = new File(".")): Unit = {
runCmd(
activateCondaEnv ++
Seq(s"python", "setup.py", "bdist_wheel", "--universal", "-d", packageDir),
workDir)
}
def uploadToBlob(source: String,
dest: String,
container: String,
accountName: String = "mmlspark"): Unit = {
val command = Seq("az", "storage", "blob", "upload-batch",
"--source", source,
"--destination", container,
"--destination-path", dest,
"--account-name", accountName,
"--overwrite", "true",
"--auth-mode", "login"
)
runCmd(osPrefix ++ command, retries=2)
}
def downloadFromBlob(source: String,
dest: String,
container: String,
accountName: String = "mmlspark"): Unit = {
val command = Seq("az", "storage", "blob", "download-batch",
"--destination", dest,
"--pattern", source,
"--source", container,
"--account-name", accountName,
"--auth-mode", "login"
)
runCmd(osPrefix ++ command, retries=2)
}
def singleUploadToBlob(source: String,
dest: String,
container: String,
accountName: String = "mmlspark",
extraArgs: Seq[String] = Seq()): Unit = {
val command = Seq("az", "storage", "blob", "upload",
"--file", source,
"--container-name", container,
"--name", dest,
"--account-name", accountName,
"--overwrite", "true",
"--auth-mode", "login"
) ++ extraArgs
runCmd(osPrefix ++ command, retries=2)
}
def allFiles(dir: File, pred: File => Boolean = null): Array[File] = {
def loop(dir: File): Array[File] = {
val (dirs, files) = dir.listFiles.sorted.partition(_.isDirectory)
(if (pred == null) files else files.filter(pred)) ++ dirs.flatMap(loop)
}
loop(dir)
}
// Perhaps this should move into a more specific place, not a generic file utils thing
def zipFolder(dir: File, out: File): Unit = {
import java.io.{BufferedInputStream, FileInputStream, FileOutputStream}
import java.util.zip.{ZipEntry, ZipOutputStream}
val bufferSize = 2 * 1024
val data = new Array[Byte](bufferSize)
val zip = new ZipOutputStream(new FileOutputStream(out))
val prefixLen = dir.getParentFile.toString.length + 1
allFiles(dir).foreach { file =>
zip.putNextEntry(new ZipEntry(file.toString.substring(prefixLen).replace(java.io.File.separator, "/")))
val in = new BufferedInputStream(new FileInputStream(file), bufferSize)
var b = 0
while (b >= 0) {
zip.write(data, 0, b);
b = in.read(data, 0, bufferSize)
}
in.close()
zip.closeEntry()
}
zip.close()
}
}