mirror of https://github.com/nicolargo/glances
Change the way to store the value in the history
parent
ad0a6ee34e
commit
fd23868c4b
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@ -2,7 +2,7 @@
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#
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#
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# This file is part of Glances.
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# This file is part of Glances.
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#
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#
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# Copyright (C) 2015 Nicolargo <nicolas@nicolargo.com>
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# Copyright (C) 2016 Nicolargo <nicolas@nicolargo.com>
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#
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#
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# Glances is free software; you can redistribute it and/or modify
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# Glances is free software; you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# it under the terms of the GNU Lesser General Public License as published by
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@ -19,24 +19,24 @@
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"""Attribute class."""
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"""Attribute class."""
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from time import time
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from datetime import datetime
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class GlancesAttribute(object):
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class GlancesAttribute(object):
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def __init__(self, name, description='', history_max_size=None, is_rate=False):
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def __init__(self, name, description='', history_max_size=None):
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"""Init the attribute
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"""Init the attribute
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name: Attribute name (string)
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name: Attribute name (string)
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description: Attribute human reading description (string)
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description: Attribute human reading description (string)
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history_max_size: Maximum size of the history list (default is no limit)
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history_max_size: Maximum size of the history list (default is no limit)
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is_rate: If True then the value is manage like a rate (store timestamp in the history)
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History is stored as a list for tuple: [(date, value), ...]
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"""
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"""
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self._name = name
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self._name = name
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self._description = description
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self._description = description
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self._value = None
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self._value = None
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self._history_max_size = history_max_size
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self._history_max_size = history_max_size
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self._history = []
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self._history = []
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self.is_rate = is_rate
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def __repr__(self):
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def __repr__(self):
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return self.value
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return self.value
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@ -71,25 +71,18 @@ class GlancesAttribute(object):
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"""
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"""
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@property
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@property
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def value(self):
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def value(self):
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if self.is_rate:
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if self.history_len() > 0:
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if self.history_len() > 0:
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return (self._value[1] - self.history_value()[1]) / (self._value[0] - self.history_value()[0])
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return (self._value[1] - self.history_value()[1]) / (self._value[0] - self.history_value()[0])
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else:
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return None
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else:
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else:
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return self._value
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return None
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@value.setter
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@value.setter
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def value(self, new_value):
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def value(self, new_value):
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"""Set a value.
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"""Set a value.
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If self.is_rate is True, store a tuple with (<timestamp>, value)
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Value is a tuple: (<timestamp>, <new_value>)
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else, store directly the value (wathever type is it)
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"""
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"""
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if self.is_rate:
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self._value = (datetime.now(), new_value)
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new_value = (time(), new_value)
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self.history_add(self._value)
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if self._value is not None:
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self.history_add(self._value)
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self._value = new_value
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"""
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"""
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Properties for the attribute history
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Properties for the attribute history
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@ -136,8 +129,5 @@ class GlancesAttribute(object):
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def history_mean(self, nb=5):
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def history_mean(self, nb=5):
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"""Return the mean on the <nb> values in the history.
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"""Return the mean on the <nb> values in the history.
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"""
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"""
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if self.is_rate:
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h_sum = map(sum, zip(*self._history[-nb:]))
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h_sum = map(sum, zip(*self._history[-nb:]))
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return h_sum[1] / float(self._history[-1][0] - self._history[-nb][0])
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return h_sum[1] / float(self._history[-1][0] - self._history[-nb][0])
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else:
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return sum(self._history[-nb:]) / float(nb)
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@ -121,7 +121,9 @@ class GlancesGraph(object):
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plt.ylabel(self.get_graph_yunit(i, pre_label=''))
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plt.ylabel(self.get_graph_yunit(i, pre_label=''))
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# Curves
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# Curves
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plt.grid(True)
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plt.grid(True)
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plt.plot_date(h['date'], h[i['name']],
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# Points are stored as tuple (date, value)
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x, y = zip(*h[i['name']])
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plt.plot_date(x, y,
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fmt='', drawstyle='default', linestyle='-',
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fmt='', drawstyle='default', linestyle='-',
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color=self.get_graph_color(i),
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color=self.get_graph_color(i),
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xdate=True, ydate=False)
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xdate=True, ydate=False)
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@ -145,9 +147,13 @@ class GlancesGraph(object):
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index_item += 1
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index_item += 1
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plt.subplot(
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plt.subplot(
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len(stats_history_filtered), 1, index_item)
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len(stats_history_filtered), 1, index_item)
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# Legend
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plt.ylabel(self.get_graph_yunit(i, pre_label=k))
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plt.ylabel(self.get_graph_yunit(i, pre_label=k))
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# Curves
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plt.grid(True)
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plt.grid(True)
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plt.plot_date(h['date'], h[k],
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# Points are stored as tuple (date, value)
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x, y = zip(*h[k])
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plt.plot_date(x, y,
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fmt='', drawstyle='default', linestyle='-',
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fmt='', drawstyle='default', linestyle='-',
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color=self.get_graph_color(i),
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color=self.get_graph_color(i),
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xdate=True, ydate=False)
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xdate=True, ydate=False)
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@ -26,7 +26,7 @@ class GlancesHistory(object):
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"""This class manage a dict of GlancesAttribute
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"""This class manage a dict of GlancesAttribute
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- key: stats name
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- key: stats name
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- GlancesAttribute: history value"""
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- value: GlancesAttribute"""
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def __init__(self):
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def __init__(self):
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"""
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"""
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@ -36,14 +36,12 @@ class GlancesHistory(object):
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def add(self, key, value,
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def add(self, key, value,
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description='',
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description='',
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history_max_size=None,
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history_max_size=None):
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is_rate=False):
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"""Add an new item (key, value) to the current history."""
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"""Add an new item (key, value) to the current history."""
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if key not in self.stats_history:
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if key not in self.stats_history:
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self.stats_history[key] = GlancesAttribute(key,
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self.stats_history[key] = GlancesAttribute(key,
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description=description,
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description=description,
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history_max_size=history_max_size,
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history_max_size=history_max_size)
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is_rate=is_rate)
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self.stats_history[key].value = value
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self.stats_history[key].value = value
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def reset(self):
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def reset(self):
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@ -106,7 +106,7 @@ class GlancesPlugin(object):
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if (self.stats and self.args is not None and
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if (self.stats and self.args is not None and
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self.args.export_graph and
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self.args.export_graph and
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self.get_items_history_list() is not None):
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self.get_items_history_list() is not None):
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self.stats_history.add('date', datetime.now())
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# self.stats_history.add('date', datetime.now())
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for i in self.get_items_history_list():
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for i in self.get_items_history_list():
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if isinstance(self.stats, list):
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if isinstance(self.stats, list):
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# Stats is a list of data
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# Stats is a list of data
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