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# OpenCAPIF SDK Development Environment Installation

Before proceeding, ensure you have fulfilled the necessary requirements.

Follow the steps below to install the OpenCAPIF SDK for development purposes:

## Requisites

Developers must have the following tools installed:

- pyenv

## Installation Steps

### 1. Set Up a Python Environment with `pyenv`

Follow these steps to create and activate a virtual environment using `pyenv`:

    # Install Python 3.12 using pyenv
    pyenv install 3.12

    # Create a virtual environment for the SDK
    pyenv virtualenv 3.12 pesp_sdk_env

    # Activate the virtual environment
    source path/to/.pyenv/versions/pesp_sdk_env/bin/activate

OPTIONAL step: sometimes Apple Mac shells raise issues while finding the shell path. If this happens, try this command:

    export PATH="$HOME/.pyenv/bin:$PATH"
    eval "$(pyenv init --path)"
    eval "$(pyenv init -)"
    eval "$(pyenv virtualenv-init -)"

OPTIONAL step: For Arm64 architecture sometimes will appear this problem

    Last 10 log lines:
        __locale_localeconv in _localemodule.o
        __locale_localeconv in _localemodule.o
        __locale_localeconv in _localemodule.o
        __locale_localeconv in _localemodule.o
    "_libintl_textdomain", referenced from:
        __locale_textdomain in _localemodule.o
    ld: symbol(s) not found for architecture arm64
    clang: error: linker command failed with exit code 1 (use -v to see invocation)
    make: *** [Programs/_freeze_module] Error 1
    make: *** Waiting for unfinished jobs....

This article explains how to solve it

### 2. Clone GitHub repository:

    git clone https://labs.etsi.org/rep/ocf/sdk.git

    #Then move to the pesp_capif_sdk folder

    cd /the/path/to/pesp_capif_sdk

### 3. Install the Python requirements listed in requirements.txt file:

    cd installation

    python -m pip install --upgrade pip

    pip install -r requirements.txt

Congratulations! The installation of OpenCAPIF SDK has finished.