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  • Fixing the Error in MacOS

    However, the reason for the error remains the same for the macOS also, i.e., the system is unable to locate Python as it is not available in system/environment variables, or There may be more than one python version available. However, in macOS, the solution is slightly different than windows OS. In macOS, you have to find the .bashrc or .bash_profile file. In that file, you have to add the following command.

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    Fixing the Error in Ubuntu or Debian

    You may also get the error while working on Debian or ubuntu. The reason mentioned above follows here too. However, the solution to fix the issue is quite simple in this case. You need to open the terminal and run the following command.

    $ export PYTHONHOME=/usr/local/lib/python3.5/
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    Solution: Changing Python Path In Environment Variables

    Now, in all the above cases, the solution is that you need to properly install the Python and correctly set the path of Python in system/environment variables. To do that, do the following steps:

    Sample Code

    #include

    int main (int, char**)
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    Output:

    Fatal Python error: Py_Initialize: unable to load the file system codec
    LookupError: no codec search functions registered: can’t find encoding

    So, as the error raised, we can say that the problem lies within initializing Python in our program. The C/C++ compiler is unable to load the system codec file for Python . The codec file is responsible for encoding and decoding our python program, and if the compiler fails to do so, it raises the given error. Now there may be several reasons for the error to occur. Some of them are discussed below:

    • System unable to locate python as it is not available in system/environment variables.
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    • Python is not properly installed in the system.

    Fix the Fatal Python error: Py_Initialize: unable to load the file system codec in Python

    The solution is that you need to properly install the Python and correctly set the path of Python in system/environment variables. Follow these steps to accomplish this:

    for Windows 10 Operating System

    1. The system can be accessed by right-clicking the Windows icon.

    2. Select Edit System Environment Variables after searching for env in the search bar.

    3. You can delete any Python paths by clicking the path and then selecting delete.

    4. Alternatively, you can click New and add Python Path to the system variables.

    Doing this allows us to add the Python path to the environmental variables.

    for Ubuntu or Debian

    You may receive the same error if you work on Ubuntu or Debian. Here is what we need to follow to resolve this error.

    To run the command, open the terminal and type the following.

    $ export PYTHONHOME=/usr/local/lib/python3.5/
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    for macOS

    In macOS, the error also occurs because the system cannot locate Python. After all, it is not present in system/environment variables. This is because more than one Python version is available.

    There is a slight difference in the solution between macOS and Windows. macOS users must find a file called .bashrc or .bash_profile.

    There is one command that you have to add to that file.

    export PYTHONHOME=”/Users//python3/”
    export PYTHONPATH=”${PYTHONHOME}/bin”

    The variables can be set using the following command once you have completed the previous step.

    source .bashrc

    Users are responsible for their .bashrc file (located in their home directory). Here the source will be extracted from the .bashrc file.

    for CentOS

    The following command can run in the terminal of centOS to resolve the problem.

    export PATH=$PATH:/usr/local/bin/python

    Exports the path from local Bin Python through the export PATH=$…As a result, the “/usr/local/bin/python path will be added to the existing one.

    for Jupyter Notebook

    Getting the fatal error when using Jupyter notebooks presents a completely different circumstance. Because the Jupyter notebook is hosted on your local computer, the error is caused because your local computer has trouble finding the path to Python.

    Specifying the Python path in environmental variables is necessary to fix the error. Following the above steps will help us achieve this based on our operating system.

    We can embed Python in those languages using the Python.h library in C and C++.

    FAQs on Fatal Python Error: Py_initialize: Unable to Load the File System Codec

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  • Источники

    • https://qna.habr.com/q/330983
    • https://www.pythonpool.com/fatal-python-error-py_initialize-unable-to-load-the-file-system-codec/
    • https://askdev.ru/q/oshibka-inicializacii-py-nevozmozhno-zagruzit-kodek-faylovoy-sistemy-68877/
    • https://www.delftstack.com/howto/python/fatal-python-error-pyinitialize-unable-to-load-the-file-system-codec/
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