jq_with_python.sh

#!/usr/bin/env bash

jq() {
    python3 -c "$(
        cat <<EOF
import sys, json

json.dump($1$2, sys.stdout, separators=(',', ':'), ensure_ascii=False)
EOF
    )"

    echo
}

es() {
    jq "'$1'"
}

username="logi"
password='abc"def'
app_id=111
client_secret="2fd.s3420"
reply_uri="app://e5"

app="$(
    cat <<EOF
{
    "username": "$username",
    "password": $(es "$password"),
    "client_id": $app_id,
    "client_secret": "$client_secret",
    "redirect_uri": "$reply_uri"
}
EOF
)"

echo "$app"
jq "$app" '["password"]'

# output
# {
#     "username": "logi",
#     "password": "abc\"def",
#     "client_id": 111,
#     "client_secret": "2fd.s3420",
#     "redirect_uri": "app://e5"
# }
# "abc\"def"