Best way to distribute large, complex Python projects so that they are fully installable to other users, regardless of operating system?

Question

How to ensure that the distribution of Python packages with large dependencies, such as NumPy and SciPy, is automatically installed correctly on users' computers, regardless of their OS?

The problem is that many of these packages are installed with a greater or lesser degree of freedom through the main channel pip, including those mentioned above ...

Answer 1

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#!/bin/bash

download_miniconda() {
    echo "Downloading Miniconda for Python dependencies..."
    OS_BIT_TYPE="$(uname -m)"
    OS_ARCHITECTURE="$(uname -s)"
    if [ $OS_BIT_TYPE == "i686" ]; then
        OS_BIT_TYPE="x86"
    fi
    if [ $OS_ARCHITECTURE == "Darwin" ]; then
        OS_ARCHITECTURE="MacOSX"
    fi

    MINICONDA_INSTALL_FILE="Miniconda2-latest-$OS_ARCHITECTURE-$OS_BIT_TYPE.sh"
    MINICONDA_DOWNLOAD_URL="https://repo.continuum.io/miniconda/$MINICONDA_INSTALL_FILE"
    $(curl -O $MINICONDA_DOWNLOAD_URL)
    $(chmod +x $MINICONDA_INSTALL_FILE)
}

install_miniconda() {
    echo "Installing Miniconda..."
    echo "$(./$MINICONDA_INSTALL_FILE -b -p $HOME/miniconda)"
    echo "$(rm $MINICONDA_INSTALL_FILE)"    
}

confirm_miniconda_installed() {
    if hash conda 2>/dev/null; then
        echo "Miniconda installed!"
    else
        echo "Failed to install Miniconda. Please visit http://conda.pydata.org/docs/install/quick.html to install and then try rerunning this script, making sure that Miniconda is accessible in the PATH"
    fi
}

update_script_startup_file() {
    echo "if [[ \":\$PATH:\" != *\":\$HOME/miniconda/bin:\"* ]]; then" >> $STARTUP_FILE
    echo "  export PATH=\"\$PATH:\$HOME/miniconda/bin\"" >> $STARTUP_FILE
    echo "fi" >> $STARTUP_FILE
}

add_miniconda_to_path() {
    # temporary update to PATH for this script
    export PATH="$PATH:$HOME/miniconda/bin"

    # permanent update to PATH for user convenience
    if [ -n "`$SHELL -c 'echo $BASH_VERSION'`" ]; then
        STARTUP_FILE="$HOME/.bashrc"
        update_script_startup_file
    elif [ -n "`$SHELL -c 'echo $ZSH_VERSION'`" ]; then
        STARTUP_FILE="$HOME/.zshrc"
        update_script_startup_file
    else
        echo "Couldn't automatically add Miniconda to the PATH of your preferred terminal. We suggest working from Bash or ZShell." 
    fi
}

install_conda_if_needed() {
    if hash conda 2>/dev/null; then
        echo "Miniconda installed!"
    else
        if ping -c 1 google.com >> /dev/null 2>&1; then
            download_miniconda
            install_miniconda
            add_miniconda_to_path
            confirm_miniconda_installed
        else
            echo "Looks like you're offline! Please address this and then try rerunning this script."
        fi
    fi
}

create_conda_environment() {
    if hash conda 2>/dev/null; then
        CONDA_ENVIRONMENTS="$(conda env list)"
        if [[ "$CONDA_ENVIRONMENTS" != *"words2map"* ]]; then
            conda create --name words2map --yes cython scikit-learn gensim seaborn
        fi
    fi
}

install_developer_libraries_as_needed() {
    OS_ARCHITECTURE="$(uname -s)"
    if [ $OS_ARCHITECTURE == "Linux" ]; then
        echo "$(python -mplatform | grep -qi Ubuntu && sudo apt-get update && sudo apt-get install python-dev || sudo yum update -y && sudo yum install python-devel -y && sudo yum groupinstall "Development Tools" -y)"
    fi
}

install_python_dependencies() {
    if hash conda 2>/dev/null; then
        echo 'Installing Python dependencies for words2map...'
        source activate words2map
        install_developer_libraries_as_needed
        pip install hdbscan pattern semidbm nltk unidecode
        source deactivate
    fi  
}

refresh_user_shell() {
    if [ -n "`$SHELL -c 'echo $BASH_VERSION'`" ]; then
        exec bash
    elif [ -n "`$SHELL -c 'echo $ZSH_VERSION'`" ]; then
        exec zsh
    fi
}

install_conda_if_needed
create_conda_environment
install_python_dependencies
refresh_user_shell

Answer 2

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