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119 lines
3.7 KiB
Python
119 lines
3.7 KiB
Python
"""Implementation of the usage interface."""
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from __future__ import annotations
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from datetime import datetime
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from ..iotmodule import IotModule, merge
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class Usage(IotModule):
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"""Baseclass for emeter/usage interfaces."""
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def query(self):
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"""Return the base query."""
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now = datetime.now()
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year = now.year
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month = now.month
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req = self.query_for_command("get_realtime")
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req = merge(
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req, self.query_for_command("get_daystat", {"year": year, "month": month})
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)
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req = merge(req, self.query_for_command("get_monthstat", {"year": year}))
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return req
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@property
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def estimated_query_response_size(self):
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"""Estimated maximum query response size."""
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return 2048
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@property
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def daily_data(self):
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"""Return statistics on daily basis."""
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return self.data["get_daystat"]["day_list"]
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@property
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def monthly_data(self):
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"""Return statistics on monthly basis."""
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return self.data["get_monthstat"]["month_list"]
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@property
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def usage_today(self):
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"""Return today's usage in minutes."""
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today = datetime.now().day
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# Traverse the list in reverse order to find the latest entry.
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for entry in reversed(self.daily_data):
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if entry["day"] == today:
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return entry["time"]
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return None
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@property
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def usage_this_month(self):
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"""Return usage in this month in minutes."""
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this_month = datetime.now().month
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# Traverse the list in reverse order to find the latest entry.
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for entry in reversed(self.monthly_data):
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if entry["month"] == this_month:
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return entry["time"]
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return None
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async def get_raw_daystat(self, *, year=None, month=None) -> dict:
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"""Return raw daily stats for the given year & month."""
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if year is None:
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year = datetime.now().year
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if month is None:
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month = datetime.now().month
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return await self.call("get_daystat", {"year": year, "month": month})
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async def get_raw_monthstat(self, *, year=None) -> dict:
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"""Return raw monthly stats for the given year."""
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if year is None:
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year = datetime.now().year
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return await self.call("get_monthstat", {"year": year})
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async def get_daystat(self, *, year=None, month=None) -> dict:
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"""Return daily stats for the given year & month.
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The return value is a dictionary of {day: time, ...}.
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"""
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data = await self.get_raw_daystat(year=year, month=month)
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data = self._convert_stat_data(data["day_list"], entry_key="day")
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return data
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async def get_monthstat(self, *, year=None) -> dict:
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"""Return monthly stats for the given year.
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The return value is a dictionary of {month: time, ...}.
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"""
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data = await self.get_raw_monthstat(year=year)
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data = self._convert_stat_data(data["month_list"], entry_key="month")
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return data
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async def erase_stats(self):
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"""Erase all stats."""
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return await self.call("erase_runtime_stat")
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def _convert_stat_data(self, data, entry_key) -> dict:
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"""Return usage information keyed with the day/month.
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The incoming data is a list of dictionaries::
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[{'year': int,
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'month': int,
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'day': int, <-- for get_daystat not get_monthstat
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'time': int, <-- for usage (mins)
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}, ...]
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:return: return a dictionary keyed by day or month with time as the value.
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"""
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if not data:
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return {}
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data = {entry[entry_key]: entry["time"] for entry in data}
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return data
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