platforminfo

#!/usr/bin/env bash

readonly WIDTH_NAME=35

run_and_output_with_command()
{
    out=$(eval "${1}" 2> /dev/null)
    [ "${?}" != 0 ] && return
    echo "${2:-${1}}:"
    echo "$out"
    echo
}

has_command()
{
    command -v "${1}" &> /dev/null
}

gcc_version()
{
    compiler="${1}"
    MAJOR=$(echo __GNUC__ | "$compiler" -E -x c - | tail -n 1)
    MINOR=$(echo __GNUC_MINOR__ | "$compiler" -E -x c - | tail -n 1)
    PATCHLEVEL=$(echo __GNUC_PATCHLEVEL__ | "$compiler" -E -x c - | tail -n 1)
    echo "$MAJOR.$MINOR.$PATCHLEVEL"
}

main()
{
    if [ -r /usr/bin/lsb_release ]; then
        run_and_output_with_command '/usr/bin/lsb_release -a'
    elif [ -r /etc/system-release ]; then
        run_and_output_with_command 'cat /etc/system-release'
    fi

    if [ -r /proc/version ]; then
        run_and_output_with_command 'cat /proc/version'
    else
        run_and_output_with_command 'uname -a'
    fi

    pycode=$(cat << EOF
import sys, platform
print(platform.platform())
print(platform.uname())
print('Endianness: ' + (sys.byteorder + ' endian').title())
EOF
)
    run_and_output_with_command 'python -c "$pycode"' "Python Platform"

    if [ -r /proc/cpuinfo ]; then
        printf "%${WIDTH_NAME}s: %s\n" 'CPU model' "$(grep 'model name' /proc/cpuinfo | uniq | awk -F : '{print $2}' | sed 's/^[ \t]*//g')"
        printf "%${WIDTH_NAME}s: %s\n" 'Number of physical CPUs' "$(grep 'physical id' /proc/cpuinfo | uniq | wc -l)"
        printf "%${WIDTH_NAME}s: %s\n" 'Number of CPU cores' "$(grep 'processor' /proc/cpuinfo | uniq | wc -l)"
    fi
    if [ -r /proc/meminfo ]; then
        printf "%${WIDTH_NAME}s: %s\n" 'Total physical memory' "$(grep 'MemTotal' /proc/meminfo | awk -F : '{print $2}' | sed 's/^[ \t]*//g')"
    fi
    has_command hostname && printf "%${WIDTH_NAME}s: %s\n" 'Hostname' "$(hostname --fqdn)"
    [ -n "$BASH_VERSION" ] && printf "%${WIDTH_NAME}s: %s\n" 'Bash version' "$BASH_VERSION"
    has_command gcc &&  printf "%${WIDTH_NAME}s: %s\n" 'GCC version' "$(gcc_version gcc)"
    has_command g++ &&  printf "%${WIDTH_NAME}s: %s\n" 'G++ version' "$(gcc_version g++)"
    has_command php && printf "%${WIDTH_NAME}s: %s\n" 'PHP version' "$(php -v | sed -n '1p')"
    has_command python3 && printf "%${WIDTH_NAME}s: %s\n" 'Python3 version' "$(python3 --version)"
    has_command python2 && printf "%${WIDTH_NAME}s: %s\n" 'Python2 version' "$(python2 --version 2>&1)"
    echo

    pycode=$(cat << EOF
import sys, platform, pprint, os
print('%*s: %s' % ($WIDTH_NAME, 'platform.python_version', platform.python_version()))
print('%*s: %s' % ($WIDTH_NAME, 'sys.version_info', sys.version_info))
print('%*s: %s' % ($WIDTH_NAME, 'sys.version', ''.join(sys.version.split(os.linesep))))
print('%*s: %s' % ($WIDTH_NAME, 'sys.api_version', sys.api_version))
print('%*s: %s' % ($WIDTH_NAME, 'platform.python_implementation', platform.python_implementation()))
print('%*s: %s' % ($WIDTH_NAME, 'platform.python_build', platform.python_build()))
print('%*s: %s' % ($WIDTH_NAME, 'platform.python_compiler', platform.python_compiler()))
print('Search path for modules:')
pprint.pprint(sys.path, indent = 4)
EOF
)
    run_and_output_with_command 'python3 -c "$pycode"' "Python3"
    run_and_output_with_command 'python2 -c "$pycode"' "Python2"
}

main "$@"