Mercurial > templog
view py/params.py @ 227:efb5cad2e98b
Only print interesting legend labels
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sat, 28 Feb 2015 00:14:21 +0800 |
parents | 16a83e2c97a0 |
children | d9e81a563923 |
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# -*- coding: utf-8 -*- import collections import json import signal import StringIO import gevent import config from utils import W,L,E,EX _FIELD_DEFAULTS = { 'fridge_setpoint': 16, 'fridge_difference': 0.2, 'overshoot_delay': 720, # 12 minutes 'overshoot_factor': 1, # ÂșC 'disabled': False, 'nowort': False, 'fridge_range_lower': 3, 'fridge_range_upper': 3, } class Params(dict): class Error(Exception): pass def __init__(self): self.update(_FIELD_DEFAULTS) def __getattr__(self, k): return self[k] def __setattr__(self, k, v): # fail if we set a bad value self[k] self[k] = v def load(self, f = None): if not f: try: f = file(config.PARAMS_FILE, 'r') except IOError, e: W("Missing parameter file, using defaults. %s", e) return try: u = json.load(f) except Exception, e: raise self.Error(e) for k in u: if k.startswith('_'): continue if k not in self: raise self.Error("Unknown parameter %s=%s in file '%s'" % (str(k), str(u[k]), getattr(f, 'name', '???'))) self.update(u) L("Loaded parameters") L(self.save_string()) def save(self, f = None): if not f: f = file(config.PARAMS_FILE, 'w') json.dump(self, f, sort_keys=True, indent=4) f.write('\n') f.flush() def save_string(self): s = StringIO.StringIO() self.save(s) return s.getvalue()