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Posted to commits@wayang.apache.org by GitBox <gi...@apache.org> on 2022/03/21 13:04:21 UTC

[GitHub] [incubator-wayang] github-actions[bot] opened a new issue #119: First we must receive the operator + UDF

github-actions[bot] opened a new issue #119:
URL: https://github.com/apache/incubator-wayang/issues/119


   First we must receive the operator + UDF
   
   print("base64_message")
   
   print(base64_message)
   
   print (func)
   
   for x in func([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]): print(x)
   
   https://github.com/apache/incubator-wayang/blob/7fc5b5489baa4cf78fa96c8d9f1f7b3b141ceb98/wayang-api/wayang-api-python/src/main/python/worker.py#L119
   
   ```python
   
   #
   # 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.
   #
   
   import os
   import socket
   import struct
   import pickle
   import base64
   import re
   import sys
   
   
   class SpecialLengths(object):
       END_OF_DATA_SECTION = -1
       PYTHON_EXCEPTION_THROWN = -2
       TIMING_DATA = -3
       END_OF_STREAM = -4
       NULL = -5
       START_ARROW_STREAM = -6
   
   
   def read_int(stream):
       length = stream.read(4)
       if not length:
           raise EOFError
       res = struct.unpack("!i", length)[0]
       return res
   
   
   class UTF8Deserializer:
       """
       Deserializes streams written by String.getBytes.
       """
   
       def __init__(self, use_unicode=True):
           self.use_unicode = use_unicode
   
       def loads(self, stream):
           length = read_int(stream)
           if length == SpecialLengths.END_OF_DATA_SECTION:
               raise EOFError
           elif length == SpecialLengths.NULL:
               return None
           s = stream.read(length)
           return s.decode("utf-8") if self.use_unicode else s
   
       def load_stream(self, stream):
           try:
               while True:
                   yield self.loads(stream)
           except struct.error:
               return
           except EOFError:
               return
   
       def __repr__(self):
           return "UTF8Deserializer(%s)" % self.use_unicode
   
   
   def write_int(p, outfile):
       outfile.write(struct.pack("!i", p))
   
   
   def write_with_length(obj, stream):
       serialized = obj.encode('utf-8')
       if serialized is None:
           raise ValueError("serialized value should not be None")
       if len(serialized) > (1 << 31):
           raise ValueError("can not serialize object larger than 2G")
       write_int(len(serialized), stream)
       stream.write(serialized)
   
   
   def dump_stream(iterator, stream):
   
       for obj in iterator:
           if type(obj) is str:
               write_with_length(obj, stream)
           ## elif type(obj) is list:
           ##    write_with_length(obj, stream)
       print("Termine")
       write_int(SpecialLengths.END_OF_DATA_SECTION, stream)
       print("Escribi Fin")
   
   
   def process(infile, outfile):
       """udf64 = os.environ["UDF"]
       print("udf64")
       print(udf64)
       #serialized_udf = binascii.a2b_base64(udf64)
       #serialized_udf = base64.b64decode(udf64)
       serialized_udf = bytearray(udf64, encoding='utf-16')
       # NOT VALID TO BE UTF8  serialized_udf = bytes(udf64, 'UTF-8')
       print("serialized_udf")
       print(serialized_udf)
       # input to be ast.literal_eval(serialized_udf)
       func = pickle.loads(serialized_udf, encoding="bytes")
       print ("func")
       print (func)
       print(func([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]))
       # func([1, 2, 3, 4, 5, 6, 7, 8, 9, 10])"""
   
   
   
       # TODO First we must receive the operator + UDF
       """udf = lambda elem: elem.lower()
   
       def func(it):
           return sorted(it, key=udf)"""
       udf_length = read_int(infile)
       print("udf_length")
       print(udf_length)
       serialized_udf = infile.read(udf_length)
       print("serialized_udf")
       print(serialized_udf)
       #base64_message = base64.b64decode(serialized_udf + "===")
       #print("base64_message")
       #print(base64_message)
       func = pickle.loads(serialized_udf)
       #func = ori.lala(serialized_udf)
       #print (func)
       #for x in func([1, 2, 3, 4, 5, 6, 7, 8, 9, 10]): print(x)
   
       """print("example")
       for x in func("2344|234|efrf|$#|ffrf"): print(x)"""
       # TODO Here we are temporarily assuming that the user is exclusively sending UTF8. User has several types
       iterator = UTF8Deserializer().load_stream(infile)
       # out_iter = sorted(iterator, key=lambda elem: elem.lower())
       out_iter = func(iterator)
       dump_stream(iterator=out_iter, stream=outfile)
   
   
   def local_connect(port):
       sock = None
       errors = []
       # Support for both IPv4 and IPv6.
       # On most of IPv6-ready systems, IPv6 will take precedence.
       for res in socket.getaddrinfo("127.0.0.1", port, socket.AF_UNSPEC, socket.SOCK_STREAM):
           af, socktype, proto, _, sa = res
           try:
               sock = socket.socket(af, socktype, proto)
               # sock.settimeout(int(os.environ.get("SPARK_AUTH_SOCKET_TIMEOUT", 15)))
               sock.settimeout(30)
               sock.connect(sa)
               # sockfile = sock.makefile("rwb", int(os.environ.get("SPARK_BUFFER_SIZE", 65536)))
               sockfile = sock.makefile("rwb", 65536)
               # _do_server_auth(sockfile, auth_secret)
               return (sockfile, sock)
           except socket.error as e:
               emsg = str(e)
               errors.append("tried to connect to %s, but an error occurred: %s" % (sa, emsg))
               sock.close()
               sock = None
       raise Exception("could not open socket: %s" % errors)
   
   
   if __name__ == '__main__':
       print("Python version")
       print (sys.version)
       java_port = int(os.environ["PYTHON_WORKER_FACTORY_PORT"])
       sock_file, sock = local_connect(java_port)
       process(sock_file, sock_file)
       sock_file.flush()
       exit()
   
   ```
   
   af039622f101f845343bfb05bdcec8c3ef432251


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[GitHub] [incubator-wayang] ro-pardo closed issue #119: First we must receive the operator + UDF

Posted by GitBox <gi...@apache.org>.
ro-pardo closed issue #119:
URL: https://github.com/apache/incubator-wayang/issues/119


   


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