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Reg ModuleNotFoundError: No module named 'packaging'

  • 1.  Reg ModuleNotFoundError: No module named 'packaging'

    Posted Fri September 19, 2025 12:37 PM

    Hi Team,

    i am unable to install cx_Oracle . i am getting the error as ModuleNotFoundError: No module named 'packaging'

    Could you please help me resolve this issue?

    bash-5.2$ python3 setup.py build
    Traceback (most recent call last):
      File "/u01/softwares/cx_Oracle-8.1.0/setup.py", line 12, in <module>
        import pkg_resources
      File "/usr/opt/python3/lib/python3.9/site-packages/pkg_resources/__init__.py", line 95, in <module>
        import packaging.specifiers
    ModuleNotFoundError: No module named 'packaging'
    bash-5.2$



    ------------------------------
    sreenivas p
    ------------------------------


  • 2.  RE: Reg ModuleNotFoundError: No module named 'packaging'

    Posted Wed September 24, 2025 02:37 AM

    Hi sreenivas p 

    Since you are running this in a Bash shell with Python 3, you should install the missing packaging library first, and then install cx_Oracle.

    Step 1: Install the packaging module

    Use pip to install the required dependency. For Python 3, you should typically use the pip3 command.

    bash

    pip3 install packaging

    Use code with caution.

    Alternative: If the above command fails or you have multiple Python versions, use the following command to ensure the package is installed for the correct Python 3 interpreter. 

    bash

    python3 -m pip install packaging

    Use code with caution.

    Step 2: Install cx_Oracle

    After installing the packaging module, you can proceed with the installation of cx_Oracle.

    Option A: Using pip (Recommended)
    If you are connected to the internet, the simplest method is to let pip install cx_Oracle directly from PyPI. pip will handle any further dependencies automatically.

    bash

    pip3 install cx_Oracle

    Use code with caution.

    Or, if you need to use the specific version from your downloaded directory:

    bash

    pip3 install /u01/softwares/cx_Oracle-8.1.0/

    Use code with caution.

    Option B: Using setup.py (Manual Installation)
    If you must install using the setup.py file, you can now run the command from the cx_Oracle-8.1.0 directory, and it should work correctly.

    bash

    cd /u01/softwares/cx_Oracle-8.1.0/

    python3 setup.py install



    ------------------------------
    Anas AlSaleh
    IBM Power Systems Software Specialist
    Saudi Business Machines ( SBM )
    Riyadh
    ------------------------------

    Original Message


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