introspect.sh

verbose=0

if [ "$1" = "-v" ]
then
    verbose=1
    shift
fi

HA_HOST="$1"
token="$2"

if [ "$3" = "" ]
then
    echo "usage: introspect.sh <HA-HOST> <HA-TOKEN> 'python expression'"
    exit
fi

# introspect.sh
# simple example of using the ha_introspection custom_component

# define your own library functions on the fly:
lib="
import inspect
import sys
import os
import importlib
global get
get = lambda  d, e : d[e] if str(type(d)) in (\"<class 'dict'>\") else d.as_dict()[e] if 'as_dict' in dir(d) else getattr(d,e)
def no_(a): 
    return [ e for e in a if not e.startswith('_') ]

def head(a,cnt=20): 
    return a[:cnt]

def fmt(a):
    result=''
    for n in a:
        result += str(n) + '\n'
    return result
"

expr=$( sed -e 's/\\/\\\\/g' -e "s/'/\\\'/g" -e 's/"/\\\"/g' -e "s/,/\\\,/g" <<<"$3" )
lib=$( sed -e 's/\\/\\\\/g' -e "s/'/\\\'/g" -e 's/"/\\\"/g' -e "s/,/\\\,/g" <<<"$lib" )

fetch="{% for i in range(1+states.introspection.len.state|int) %}{{ states.introspection['result_' ~ i]['state'] }}{% endfor %}"
details="fetched {{ states.introspection.len.state }}x255 buffers, total_len={{states.introspection.total_len.state }}, truncated={{states.introspection.truncated.state }}"

hass-cli -o json -x -s http://$HA_HOST:8123 --token $token service call ha_introspection.do_introspection --arguments statement="$lib",expression="$expr" >/dev/null
[ "$?" = "0" ] || exit

hass-cli -o json -x -s http://$HA_HOST:8123 --token $token template <(echo "$fetch")

if [ "$verbose" = "1" ]
then
    hass-cli -o json -x -s http://$HA_HOST:8123 --token $token template <(echo "$details")
fi

###########################################################
# example uses:

# introspect.sh $HOST $TOKEN  "dir()"
# ['call', 'expression', 'hass']

# introspect.sh $HOST $TOKEN "[e for e in dir(hass)[12:] if not e.startswith('_')]"
# ['add_job', 'async_add_executor_job', 'async_add_hass_job', 'async_add_job',...

# introspect.sh $HOST $TOKEN "[e for e in dir(hass.components) if not e.startswith('_')]"
# ['frontend', 'group', 'hassio', 'webhook', 'websocket_api']
###########################################################