.travis/online_sessions.sh


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#!/usr/bin/env bash

set -o errexit -o nounset -o pipefail

readonly db_path='.travis/test_db.csv'

_online_sessions() {
    local output_path
    output_path="$( mktemp --dry-run )"

    local rm_aux_files
    rm_aux_files="$( printf -- 'rm -f -- %q' "$output_path" )"

    trap "$rm_aux_files" RETURN

    echo "Running online_sessions.py..."
    python3 -m bin.online_sessions "$@" "$db_path" "$output_path"

    if file --brief --dereference --mime -- "$output_path" | grep --quiet -- '^binary'; then
        return 0
    fi

    echo "Output:"
    cat "$output_path"
}

online_sessions() {
    # Get rid of:
    # tkinter.TclError: no display name and no $DISPLAY environment variable
    mkdir -p -- ~/.config/matplotlib
    echo 'backend: Agg' > ~/.config/matplotlib/matplotlibrc

    _online_sessions --group-by user --output-format csv
    _online_sessions --group-by user --output-format json

    _online_sessions --group-by user --output-format plot
    _online_sessions --group-by hour --output-format plot
    _online_sessions --group-by date --output-format plot
    _online_sessions --group-by weekday --output-format plot
}

main() {
    online_sessions
}

main "$@"