summarize.py

import json
import os
import re
import sys
from datetime import datetime

def try_json(filename):
    try:
        return json.loads(open(filename).read())
    except IOError:
        return None

temp_basal = try_json('monitor/temp_basal.json')
suggested = try_json('enact/suggested.json')
enacted = try_json('enact/enacted.json')

last_output = open(sys.argv[1]).read().strip()
openaps_success, cgm_success, preflight_success, suggest_success, enact_success = [a == '1' for a in sys.argv[2:]]

if suggest_success:
    time = datetime.fromtimestamp(os.stat('enact/suggested.json').st_mtime).strftime("%I:%M%P")[:-1]
else:
    time = datetime.now().strftime("%I:%M%P")[:-1]
if time.startswith('0'):
    time = time[1:]
out = time

if suggest_success:
    iob_json = try_json('monitor/iob.json')
    if iob_json:
        iob = round(json.loads(open('monitor/iob.json').read())['iob'], 1)
        out += ' %su' % iob

if enact_success:
    out += ' %sx%s' % (round(enacted['rate'], 1), enacted['duration'])
elif suggest_success:
    if temp_basal and temp_basal.get('duration', 0) > 0:
        out += ' %sx%s' % (round(temp_basal['rate'], 1), temp_basal['duration'])
    else:
        out += ''
else:
    if not openaps_success:
        out += ' oa'
    elif not cgm_success:
        out += ' cgm'
    elif not preflight_success:
        out += ' pf'
    elif not suggest_success:
        out += ' pump'
    else:
        out += ' ?'


    last_successful_time = '?'
    persisted_time = re.search('\[(.+)\]$', last_output)
    recent_time = re.search('^(\d+:\d\d(a|p))', last_output)
    if persisted_time:
        last_successful_time = persisted_time.group(1)
    elif recent_time:
        last_successful_time = recent_time.group(1)
    out += ' [%s]' % last_successful_time

print out