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https://issues.apache.org/jira/browse/BEAM-4032?focusedWorklogId=722386&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-722386
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ASF GitHub Bot logged work on BEAM-4032:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 07/Feb/22 22:39
            Start Date: 07/Feb/22 22:39
    Worklog Time Spent: 10m 
      Work Description: tvalentyn commented on a change in pull request #16633:
URL: https://github.com/apache/beam/pull/16633#discussion_r801119086



##########
File path: sdks/python/apache_beam/examples/complete/juliaset/requirements.txt
##########
@@ -0,0 +1,18 @@
+###############################################################################
+#  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.
+###############################################################################
    
+numpy

Review comment:
       This example already requires numpy in 
https://github.com/apache/beam/blob/16934836498bfe03cdcfb5f8b77f57c1a9bff795/sdks/python/apache_beam/examples/complete/juliaset/setup.py#L111
   
   Given that you are modifying the example, users may be confused why numpy 
needs to be specified twice: in a requirements.txt file and in setup.py.
   
   Let's try to use a different pipeline for this test. You could create an 
example where a requirements file is used, or just a test pipeline that does 
something trivial, like checking whether a particular library is installed and 
doesn't do any data processing.




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Issue Time Tracking
-------------------

    Worklog Id:     (was: 722386)
    Time Spent: 18h 10m  (was: 18h)

> Support staging binary distributions of dependency packages.
> ------------------------------------------------------------
>
>                 Key: BEAM-4032
>                 URL: https://issues.apache.org/jira/browse/BEAM-4032
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-py-core
>            Reporter: Valentyn Tymofieiev
>            Assignee: Anand Inguva
>            Priority: P2
>          Time Spent: 18h 10m
>  Remaining Estimate: 0h
>
> requirements.txt only supports source-distribution dependencies [1].
> --extra_packages does not officially support wheel files [2].
> It is possible to expand this to support binary distributions as long as we 
> have the knowledge of the target platform.
> We should take into consideration the mechanisms of staging dependencies 
> through portability framework, and perhaps consolidate some of the existing 
> options.
> [https://github.com/apache/beam/blob/a79d1b4fc27eb81db0d9a773047820a206f3d238/sdks/python/apache_beam/runners/dataflow/internal/dependency.py#L260]
> [https://github.com/apache/beam/blob/a79d1b4fc27eb81db0d9a773047820a206f3d238/sdks/python/apache_beam/runners/dataflow/internal/dependency.py#L188]
>  



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