Differential.per_second() - Code Metrics - Inspection of "added gauges, rates configuration values to proc r..." - s4z/plumd - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Branch — master (7e8cc2)

by Kenny

created 2016-08-18 13:55 UTC

Differential.per_second() A

↳ Parent: Differential

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	1	Features	0

Metric	Value
cc	3
c	1
b	1
f	0
dl	0
loc	21
rs	9.3142

# -*- coding: utf-8 -*-
"""
.. moduleauthor:: Kenny Freeman <[email protected]>

"""

__author__ = 'Kenny Freeman'
__email__ = '[email protected]'
__version__ = '0.3.3'
__license__     = "ISCL"
__docformat__   = 'reStructuredText'


class Differential(object):
    """Computes the rate of change of a set of metrics."""

    def __init__(self):
        self.metrics = {}

    def per_second(self, name, val, ts):
        """Records and returns the rate of change of a metric in units/second.

        :param name: The name of a metric
        :type name: str
        :param val: The value of a metric
        :type val: int or float
        :rtype: int or float
        """
        ret = type(val)(0)
        if name not in self.metrics:
            self.metrics[name] = (val, ts)
        else:
            pval, ptime = self.metrics[name]
            dval = val - pval
            dtime = ts - ptime
            if dtime > 0:
                ret = dval / dtime
            else:
                ret = 0
        return ret


1			# -- coding: utf-8 --
2			"""
3			.. moduleauthor:: Kenny Freeman <[email protected]>
4
5			"""
6
7			__author__ = 'Kenny Freeman'
8			__email__ = '[email protected]'
9			__version__ = '0.3.3'
10			__license__ = "ISCL"
11			__docformat__ = 'reStructuredText'
12
13
14			class Differential(object):
15			"""Computes the rate of change of a set of metrics."""
16
17			def __init__(self):
18			self.metrics = {}
19
20			def per_second(self, name, val, ts):
21			"""Records and returns the rate of change of a metric in units/second.
22
23			:param name: The name of a metric
24			:type name: str
25			:param val: The value of a metric
26			:type val: int or float
27			:rtype: int or float
28			"""
29			ret = type(val)(0)
30			if name not in self.metrics:
31			self.metrics[name] = (val, ts)
32			else:
33			pval, ptime = self.metrics[name]
34			dval = val - pval
35			dtime = ts - ptime
36			if dtime > 0:
37			ret = dval / dtime
38			else:
39			ret = 0
40			return ret
41

s4z / plumd

Branch — master (7e8cc2)

Differential.per_second() A

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