import error....

[Karl Garcia]

Hi,

Just started getting this error:

Traceback (most recent call last):
  File "/home/karlg/ostinato/./ostinato_create_streams.py", line 17, in <module>
    from ostinato.core import DroneProxy, ost_pb
  File "/usr/local/lib/python3.10/dist-packages/python_ostinato-1.3.0-py3.10.egg/ostinato/core.py", line 15, in <module>
    from .protocols import protocol_pb2 as ost_pb
  File "/usr/local/lib/python3.10/dist-packages/python_ostinato-1.3.0-py3.10.egg/ostinato/protocols/protocol_pb2.py", line 34, in <module>
    _descriptor.EnumValueDescriptor(
  File "/home/karlg/.local/lib/python3.10/site-packages/google/protobuf/descriptor.py", line 789, in __new__
    _message.Message._CheckCalledFromGeneratedFile()
TypeError: Descriptors cannot be created directly.
If this call came from a _pb2.py file, your generated code is out of date and must be regenerated with protoc >= 3.19.0.
If you cannot immediately regenerate your protos, some other possible workarounds are:
 1. Downgrade the protobuf package to 3.20.x or lower.
 2. Set PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION=python (but this will use pure-Python parsing and will be much slower).

More information: https://developers.google.com/protocol-buffers/docs/news/2022-05-06#python-updates

Has anyone seen/dealt with this before ?  (As you can see, the error comes from when I import ost_pb from ostinato.core which is at the beginning of my script.)

For completeness, here are the packages I have installed:

ii  libprotobuf-lite23:amd64                   3.12.4-1ubuntu7.22.04.1                 amd64        protocol buffers C++ library (lite version)
ii  libprotobuf23:amd64                        3.12.4-1ubuntu7.22.04.1                 amd64        protocol buffers C++ library
ii  python3-protobuf                           3.12.4-1ubuntu7.22.04.1                 amd64        Python 3 bindings for protocol buffers

Do I need to downgrade my protobuf packages ?    Running ubuntu 22.04....

Thanks,

_____

Karl

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[Srivats P]

Hi Karl,

Which Ostinato PYAPI package do you have installed? 1.3.0 or 1.3.0.post1?

In case of the former, please try the latter - the package is available in the Ostinato download portal - link for the portal is in your purchase receipt email.

Srivats

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[Karl Garcia]

Hi,

I found my receipt email for the PythonAPI package and followed the link -- but I only see the 1.3.0 version.  There is no 1.3.0.post1 version.  Can you give me more info and/or instructions ?

Thanks,

______

Karl

[Srivats P]

Karl,

There was some problem in the backend due to which the post1 packages may not have been visible - we have now fixed this issue.

Can you please recheck?

Srivats (Founder, Ostinato)
Now generate up to 100Gbps 🚀 with the Ostinato Turbo add-on!

[Karl Garcia]

Hi,

Just to follow up, I re-checked and was able to see the post1 version this time.  I downloaded and built/installed and everything is now working.  Good to go.  Thanks for your help ! 

_____

Karl

[Srivats P]

Thanks for confirming, Karl!

Srivats (Founder, Ostinato)
Now generate up to 100Gbps 🚀 with the Ostinato Turbo add-on!