dianfu commented on a change in pull request #10017: [FLINK-14019][python] add support for managing environment and dependencies of Python UDF in Flink Python API URL: https://github.com/apache/flink/pull/10017#discussion_r348880204
########## File path: flink-python/src/main/java/org/apache/flink/python/util/UnzipUtil.java ########## @@ -0,0 +1,108 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you 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. + */ + +package org.apache.flink.python.util; + +import org.apache.flink.util.IOUtils; + +import org.apache.commons.compress.archivers.zip.ZipArchiveEntry; +import org.apache.commons.compress.archivers.zip.ZipFile; + +import java.io.File; +import java.io.FileOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.nio.file.attribute.PosixFilePermission; +import java.util.Enumeration; +import java.util.HashSet; +import java.util.Set; + +/** + * Utils used to extract zip files and try to restore the origin permissions of files. + */ +public class UnzipUtil { + + public static void extractZipFileWithPermissions(String zipFilePath, String targetPath) throws IOException { + try (ZipFile zipFile = new ZipFile(zipFilePath)) { + Enumeration<ZipArchiveEntry> entries = zipFile.getEntries(); + boolean macOrUnix = isMacOrUnix(); + + while (entries.hasMoreElements()) { + ZipArchiveEntry entry = entries.nextElement(); + File file; + if (entry.isDirectory()) { + file = new File(targetPath, entry.getName()); + if (!file.exists()) { + if (!file.mkdirs()) { + throw new IOException("Create dir: " + file.getAbsolutePath() + "failed!"); + } + } + } else { + file = new File(targetPath, entry.getName()); + File parentDir = file.getParentFile(); + if (!parentDir.exists()) { + if (!parentDir.mkdirs()) { + throw new IOException("Create dir: " + file.getAbsolutePath() + "failed!"); + } + } + if (file.createNewFile()) { + OutputStream output = new FileOutputStream(file); + IOUtils.copyBytes(zipFile.getInputStream(entry), output); + } else { + throw new IOException("Create file: " + file.getAbsolutePath() + "failed!"); + } + } + if (macOrUnix) { + int mode = entry.getUnixMode(); + if (mode != 0) { + Path path = Paths.get(file.toURI()); + Set<PosixFilePermission> permissions = new HashSet<>(); + addIfBitSet(mode, 8, permissions, PosixFilePermission.OWNER_READ); + addIfBitSet(mode, 7, permissions, PosixFilePermission.OWNER_WRITE); + addIfBitSet(mode, 6, permissions, PosixFilePermission.OWNER_EXECUTE); + addIfBitSet(mode, 5, permissions, PosixFilePermission.GROUP_READ); + addIfBitSet(mode, 4, permissions, PosixFilePermission.GROUP_WRITE); + addIfBitSet(mode, 3, permissions, PosixFilePermission.GROUP_EXECUTE); + addIfBitSet(mode, 2, permissions, PosixFilePermission.OTHERS_READ); + addIfBitSet(mode, 1, permissions, PosixFilePermission.OTHERS_WRITE); + addIfBitSet(mode, 0, permissions, PosixFilePermission.OTHERS_EXECUTE); + Files.setPosixFilePermissions(path, permissions); + } + } + } + } + } + + private static boolean isMacOrUnix() { Review comment: Is it possible to use the util OperatingSystem? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
