A simple shell script to get OAuth tokens from https://launchpad.net/ .

launchpad-oauth-token.sh

#!/bin/sh

oauth_consumer_key='just+testing'

for x in $(wget -q --post-data "oauth_consumer_key=$oauth_consumer_key&oauth_signature_method=PLAINTEXT&oauth_signature=%26" https://launchpad.net/+request-token -O - | sed 's/&/ /g'); do
    case "$x" in
        (oauth_token=*)
            oauth_token="${x#*=}"
            ;;
        (oauth_token_secret=*)
            oauth_token_secret="${x#*=}"
            ;;
    esac
done

xdg-open "https://launchpad.net/+authorize-token?oauth_token=$oauth_token"

read -p 'Press Enter after authorized... ' blah

for x in $(wget -q --post-data "oauth_consumer_key=$oauth_consumer_key&oauth_token=$oauth_token&oauth_signature_method=PLAINTEXT&oauth_signature=%26$oauth_token_secret" https://launchpad.net/+access-token -O - | sed 's/&/ /g'); do
    case "$x" in
        (oauth_token=*)
            oauth_token="${x#*=}"
            ;;
        (oauth_token_secret=*)
            oauth_token_secret="${x#*=}"
            ;;
        (lp.context=*)
            if [ "${x#*=}" = 'None' ]; then
                echo "oauth_token $oauth_token"
                echo "oauth_token_secret $oauth_token_secret"
            fi
            ;;
    esac
done