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https://issues.apache.org/jira/browse/FLINK-5886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16127020#comment-16127020
 ] 

ASF GitHub Bot commented on FLINK-5886:
---------------------------------------

Github user zohar-mizrahi commented on a diff in the pull request:

    https://github.com/apache/flink/pull/3838#discussion_r133154903
  
    --- Diff: 
flink-libraries/flink-streaming-python/src/test/java/org/apache/flink/streaming/python/api/PythonStreamBinderTest.java
 ---
    @@ -0,0 +1,100 @@
    +/*
    + * 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.streaming.python.api;
    +
    +import org.apache.flink.core.fs.FileStatus;
    +import org.apache.flink.core.fs.FileSystem;
    +import org.apache.flink.core.fs.Path;
    +import org.apache.flink.streaming.util.StreamingProgramTestBase;
    +import org.apache.flink.streaming.python.api.PythonStreamBinder;
    +
    +import java.io.File;
    +import java.io.FileNotFoundException;
    +import java.util.ArrayList;
    +import java.util.List;
    +import java.util.ListIterator;
    +
    +public class PythonStreamBinderTest extends StreamingProgramTestBase {
    +   final private static String defaultPythonScriptName = 
"run_all_tests.py";
    +   final private static String flinkPythonRltvPath = 
"flink-libraries/flink-streaming-python";
    +   final private static String pathToStreamingTests = 
"src/test/python/org/apache/flink/streaming/python/api";
    +
    +   public PythonStreamBinderTest() {
    +   }
    +
    +   public static void main(String[] args) throws Exception {
    +           if (args.length == 0) {
    +                   args = prepareDefaultArgs();
    +           } else {
    +                   args[0] = findStreamTestFile(args[0]).getAbsolutePath();
    +           }
    +           PythonStreamBinder.main(args);
    +   }
    +
    +   @Override
    +   public void testProgram() throws Exception {
    +           this.main(new String[]{});
    +   }
    +
    +   private static String[] prepareDefaultArgs() throws Exception {
    +           File testFullPath = findStreamTestFile(defaultPythonScriptName);
    --- End diff --
    
    Instead I've just provided a simplified version of it. Will send for review.


> Python API for streaming applications
> -------------------------------------
>
>                 Key: FLINK-5886
>                 URL: https://issues.apache.org/jira/browse/FLINK-5886
>             Project: Flink
>          Issue Type: New Feature
>          Components: Python API
>            Reporter: Zohar Mizrahi
>            Assignee: Zohar Mizrahi
>
> A work in progress to provide python interface for Flink streaming APIs. The 
> core technology is based on jython and thus imposes two limitations: a. user 
> defined functions cannot use python extensions. b. the python version is 2.x
> The branch is based on Flink release 1.2.0, as can be found here:
> https://github.com/zohar-pm/flink/tree/python-streaming
> In order to test it, someone can use IntelliJ IDE. Assuming IntelliJ was 
> setup properly (see: 
> https://ci.apache.org/projects/flink/flink-docs-release-1.3/internals/ide_setup.html),
>  one can run/debug {{org.apache.flink.python.api.PythonStreamBinderTest}}, 
> which in return will execute all the tests under 
> {{/Users/zohar/dev/pm-flink/flink-libraries/flink-python/src/test/python/org/apache/flink/python/api/streaming}}



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