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#!/usr/bin/env python3
import logging
import os
import sys
import inspect
import zoneinfo
from home.config import config # do not remove this import!
from datetime import datetime, timedelta
from logging import Logger
from home.database import InverterDatabase
from argparse import ArgumentParser, ArgumentError
from typing import Optional
_logger: Optional[Logger] = None
_progname = os.path.basename(__file__)
_is_verbose = False
fmt_time = '%Y-%m-%d %H:%M:%S'
fmt_date = '%Y-%m-%d'
def method_usage() -> str:
# https://stackoverflow.com/questions/2654113/how-to-get-the-callers-method-name-in-the-called-method
curframe = inspect.currentframe()
calframe = inspect.getouterframes(curframe, 2)
return f'{_progname} {calframe[1][3]} [ARGS]'
def fmt_escape(s: str):
return s.replace('%', '%%')
def setup_logging(verbose: bool):
global _is_verbose
logging_level = logging.INFO if not verbose else logging.DEBUG
logging.basicConfig(level=logging_level)
_is_verbose = verbose
class SubParser:
def __init__(self, description: str, usage: str):
self.parser = ArgumentParser(
description=description,
usage=usage
)
def add_argument(self, *args, **kwargs):
self.parser.add_argument(*args, **kwargs)
def parse_args(self):
self.add_argument('--verbose', '-V', action='store_true',
help='enable debug logs')
args = self.parser.parse_args(sys.argv[2:])
setup_logging(args.verbose)
return args
def strptime_auto(s: str) -> datetime:
e = None
for fmt in (fmt_time, fmt_date):
try:
return datetime.strptime(s, fmt)
except ValueError as _e:
e = _e
raise e
def get_dt_from_to_arguments(parser):
parser.add_argument('--from', type=str, dest='date_from', required=True,
help=f'From date, format: {fmt_escape(fmt_time)} or {fmt_escape(fmt_date)}')
parser.add_argument('--to', type=str, dest='date_to', default='now',
help=f'To date, format: {fmt_escape(fmt_time)}, {fmt_escape(fmt_date)}, \'now\' or \'24h\'')
arg = parser.parse_args()
dt_from = strptime_auto(arg.date_from)
if arg.date_to == 'now':
dt_to = datetime.now()
elif arg.date_to == '24h':
dt_to = dt_from + timedelta(days=1)
else:
dt_to = strptime_auto(arg.date_to)
return dt_from, dt_to
def print_intervals(intervals):
for interval in intervals:
start, end = interval
buf = f'{start.strftime(fmt_time)} .. '
if end:
buf += f'{end.strftime(fmt_time)}'
else:
buf += 'now'
print(buf)
class Electricity():
def __init__(self):
global _logger
methods = [func.replace('_', '-')
for func in dir(Electricity)
if callable(getattr(Electricity, func)) and not func.startswith('_') and func != 'query']
parser = ArgumentParser(
usage=f'{_progname} METHOD [ARGS]'
)
parser.add_argument('method', choices=methods,
help='Method to run')
parser.add_argument('--verbose', '-V', action='store_true',
help='enable debug logs')
argv = sys.argv[1:2]
for arg in ('-V', '--verbose'):
if arg in sys.argv:
argv.append(arg)
args = parser.parse_args(argv)
setup_logging(args.verbose)
self.db = InverterDatabase()
method = args.method.replace('-', '_')
getattr(self, method)()
def get_grid_connected_intervals(self):
parser = SubParser('Returns datetime intervals when grid was connected', method_usage())
dt_from, dt_to = get_dt_from_to_arguments(parser)
intervals = self.db.get_grid_connected_intervals(dt_from, dt_to)
print_intervals(intervals)
def get_grid_used_intervals(self):
parser = SubParser('Returns datetime intervals when power grid was actually used', method_usage())
dt_from, dt_to = get_dt_from_to_arguments(parser)
intervals = self.db.get_grid_used_intervals(dt_from, dt_to)
print_intervals(intervals)
def get_grid_consumed_energy(self):
parser = SubParser('Returns sum of energy consumed from util grid', method_usage())
dt_from, dt_to = get_dt_from_to_arguments(parser)
wh = self.db.get_grid_consumed_energy(dt_from, dt_to)
print('%.2f' % wh,)
def get_consumed_energy(self):
parser = SubParser('Returns total consumed energy', method_usage())
dt_from, dt_to = get_dt_from_to_arguments(parser)
wh = self.db.get_consumed_energy(dt_from, dt_to)
print('%.2f' % wh,)
if __name__ == '__main__':
try:
Electricity()
except Exception as e:
_logger.exception(e)
sys.exit(1)
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