Runner.__algorithmFactory() - Code Metrics - Inspection of "Finishing runner (#101)" - NiaOrg/NiaPy - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( 98a38e...400228 )

by Grega

created 2018-02-27 10:43 UTC

Runner.__algorithmFactory() F

↳ Parent: Runner

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cc	12
dl	0
loc	41
rs	2.7855
c	0
b	0
f	0

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"""Python micro framework for building nature-inspired algorithms."""

from __future__ import print_function  # for backward compatibility purpose

import os
import logging
import json
import datetime
import xlsxwriter
import numpy as np
from NiaPy import algorithms, benchmarks

__all__ = ['algorithms', 'benchmarks']
__project__ = 'NiaPy'
__version__ = '0.1.3a2'

VERSION = "{0} v{1}".format(__project__, __version__)

logging.basicConfig()
logger = logging.getLogger('NiaPy')
logger.setLevel('INFO')


class Runner(object):
    """Runner utility feature.

    Feature which enables running multiple algorithms with multiple benchmarks.
    It also support exporting results in various formats (e.g. LaTeX, Excel, JSON)

    """

    def __init__(self, D, NP, nFES, nRuns, useAlgorithms, useBenchmarks, A=0.5, r=0.5,
                 Qmin=0.0, Qmax=2.0, Pa=0.25, F=0.5, CR=0.9, alpha=0.5, betamin=0.2, gamma=1.0,
                 p=0.5, Ts=4, Mr=0.05, C1=2.0, C2=2.0, w=0.7, vMin=-4, vMax=4, Tao=0.1):
        r"""Initialize Runner.

        **__init__(self, D, NP, nFES, nRuns, useAlgorithms, useBenchmarks, A=0.5, r=0.5,
                   Qmin=0.0, Qmax=2.0, Pa=0.25, F=0.5, CR=0.9, alpha=0.5, betamin=0.2, gamma=1.0,
                   p=0.5, Ts=4, Mr=0.05, C1=2.0, C2=2.0, w=0.7, vMin=-4, vMax=4, Tao=0.1)**

        Arguments:
            D {integer} -- dimension of problem

            NP {integer} -- population size

            nFES {integer} -- number of function evaluations

            nRuns {integer} -- number of repetitions

            useAlgorithms [] -- array of algorithms to run

            useBenchmarks [] -- array of benchmarks to run

            A {decimal} -- laudness

            r {decimal} -- pulse rate

            Qmin {decimal} -- minimum frequency

            Qmax {decimal} -- maximum frequency

            Pa {decimal} -- probability

            F {decimal} -- scalling factor

            CR {decimal} -- crossover rate

            alpha {decimal} -- alpha parameter

            betamin {decimal} -- betamin parameter

            gamma {decimal} -- gamma parameter

            p {decimal} -- probability switch

            Ts {decimal}

            Mr {decimal}

            C1 {decimal} -- cognitive component

            C2 {decimal} -- social component

            w {decimal} -- inertia weight

            vMin {decimal} -- minimal velocity

            vMax {decimal} -- maximal velocity

            Tao {decimal}
        """

        self.D = D
        self.NP = NP
        self.nFES = nFES
        self.nRuns = nRuns
        self.useAlgorithms = useAlgorithms
        self.useBenchmarks = useBenchmarks
        self.A = A
        self.r = r
        self.Qmin = Qmin
        self.Qmax = Qmax
        self.Pa = Pa
        self.F = F
        self.CR = CR
        self.alpha = alpha
        self.betamin = betamin
        self.gamma = gamma
        self.p = p
        self.Ts = Ts
        self.Mr = Mr
        self.C1 = C1
        self.C2 = C2
        self.w = w
        self.vMin = vMin
        self.vMax = vMax
        self.Tao = Tao
        self.results = {}

    def __algorithmFactory(self, name, benchmark):
        bench = benchmarks.utility.Utility().get_benchmark(benchmark)
        algorithm = None

        if name == 'BatAlgorithm':
            algorithm = algorithms.basic.BatAlgorithm(
                self.D, self.NP, self.nFES, self.A, self.r, self.Qmin, self.Qmax, bench)
        elif name == 'DifferentialEvolutionAlgorithm':
            algorithm = algorithms.basic.DifferentialEvolutionAlgorithm(
                self.D, self.NP, self.nFES, self.F, self.CR, bench)
        elif name == 'FireflyAlgorithm':
            algorithm = algorithms.basic.FireflyAlgorithm(
                self.D, self.NP, self.nFES, self.alpha, self.betamin, self.gamma, bench)
        elif name == 'FlowerPollinationAlgorithm':
            algorithm = algorithms.basic.FlowerPollinationAlgorithm(
                self.D, self.NP, self.nFES, self.p, bench)
        elif name == 'GreyWolfOptimizer':
            algorithm = algorithms.basic.GreyWolfOptimizer(
                self.D, self.NP, self.nFES, bench)
        elif name == 'ArtificialBeeColonyAlgorithm':
            algorithm = algorithms.basic.ArtificialBeeColonyAlgorithm(
                self.D, self.NP, self.nFES, bench)
        elif name == 'CuckooSearchAlgorithm':
            algorithm = algorithms.basic.CuckooSearchAlgorithm(
                self.D, self.NP, self.nFES, self.Pa, self.alpha, bench)
        elif name == 'GeneticAlgorithm':
            algorithm = algorithms.basic.GeneticAlgorithm(
                self.D, self.NP, self.nFES, self.Ts, self.Mr, self.gamma, bench)
        elif name == 'ParticleSwarmAlgorithm':
            algorithm = algorithms.basic.ParticleSwarmAlgorithm(
                self.D, self.NP, self.nFES, self.C1, self.C2, self.w, self.vMin, self.vMax, bench)
        elif name == 'HybridBatAlgorithm':
            algorithm = algorithms.modified.HybridBatAlgorithm(
                self.D, self.NP, self.nFES, self.A, self.r, self.F, self.CR, self.Qmin, self.Qmax, bench)
        elif name == 'SelfAdaptiveDifferentialEvolutionAlgorithm':
            algorithm = algorithms.modified.SelfAdaptiveDifferentialEvolutionAlgorithm(
                self.D, self.NP, self.nFES, self.F, self.CR, self.Tao, bench)
        else:
            raise TypeError('Passed benchmark is not defined!')

        return algorithm

    @classmethod
    def __createExportDir(cls):
        if not os.path.exists('export'):
            os.makedirs('export')

    @classmethod
    def __generateExportName(cls, extension):
        return 'export/' + str(datetime.datetime.now()).replace(':', '.') + '.' + extension

    def __exportToLog(self):
        print(self.results)

    def __exportToJson(self):
        self.__createExportDir()
        with open(self.__generateExportName('json'), 'w') as outFile:
            json.dump(self.results, outFile)
            logger.info('Export to JSON completed!')

    def __exportToXls(self):
        self.__createExportDir()

        workbook = xlsxwriter.Workbook(self.__generateExportName('xlsx'))
        worksheet = workbook.add_worksheet()

        row = 0
        col = 0
        nRuns = 0

        for alg in self.results:
            worksheet.write(row, col, alg)
            col += 1

            for bench in self.results[alg]:
                worksheet.write(row, col, bench)

                nRuns = len(self.results[alg][bench])

                for i in range(len(self.results[alg][bench])):
                    row += 1
                    worksheet.write(row, col, self.results[alg][bench][i])

                row -= len(self.results[alg][bench])  # jump back up
                col += 1

            row += 1 + nRuns  # jump down to row after previous results
            col -= 1 + len(self.results[alg])

        workbook.close()
        logger.info('Export to XLSX completed!')

    def __exportToLatex(self):
        self.__createExportDir()

        metrics = ['Best', 'Median', 'Worst', 'Mean', 'Std.']

        def only_upper(s):
            return "".join(c for c in s if c.isupper())

        with open(self.__generateExportName('tex'), 'a') as outFile:
            outFile.write('\\documentclass{article}\n')
            outFile.write('\\usepackage[utf8]{inputenc}\n')
            outFile.write('\\usepackage{siunitx}\n')
            outFile.write('\\sisetup{\n')
            outFile.write('round-mode=places,round-precision=3}\n')
            outFile.write('\\begin{document}\n')
            outFile.write('\\begin{table}[h]\n')
            outFile.write('\\centering\n')

            begin_tabular = '\\begin{tabular}{cc'

            for alg in self.results:
                for _i in range(len(self.results[alg])):
                    begin_tabular += 'S'

                firstLine = '   &'

                for benchmark in self.results[alg].keys():
                    firstLine += '  &   \\multicolumn{1}{c}{\\textbf{' + \
                        benchmark + '}}'

                firstLine += ' \\\\'

                break

            begin_tabular += '}\n'
            outFile.write(begin_tabular)
            outFile.write('\\hline\n')
            outFile.write(firstLine + '\n')
            outFile.write('\\hline\n')

            for alg in self.results:
                for metric in metrics:
                    line = ''

                    if metric != 'Worst':
                        line += '   &   ' + metric
                    else:
                        shortAlg = ''
                        if alg.endswith('Algorithm'):
                            shortAlg = only_upper(alg[:-9])
                        else:
                            shortAlg = only_upper(alg)
                        line += '\\textbf{' + shortAlg + '} &   ' + metric

                    for benchmark in self.results[alg]:
                        if metric == 'Best':
                            line += '   &   ' + \
                                str(np.amin(self.results[alg][benchmark]))
                        elif metric == 'Median':
                            line += '   &   ' + \
                                str(np.median(self.results[alg][benchmark]))
                        elif metric == 'Worst':
                            line += '   &   ' + \
                                str(np.amax(self.results[alg][benchmark]))
                        elif metric == 'Mean':
                            line += '   &   ' + \
                                str(np.mean(self.results[alg][benchmark]))
                        else:
                            line += '   &   ' + \
                                str(np.std(self.results[alg][benchmark]))

                    line += '   \\\\'
                    outFile.write(line + '\n')

                outFile.write('\\hline\n')
            outFile.write('\\end{tabular}\n')
            outFile.write('\\end{table}\n')
            outFile.write('\\end{document}')

        logger.info('Export to Latex completed!')

    def run(self, export='log', verbose=False):
        """Execute runner.

        Keyword Arguments:
            export  {string}  -- takes export type (e.g. log, json, xlsx, latex) (default: 'log')
            verbose {boolean} -- switch for verbose logging (default: {False})

        Raises:
            TypeError -- Raises TypeError if export type is not supported

        Returns:
            Dictionary -- Returns dictionary of results

        """

        for alg in self.useAlgorithms:
            self.results[alg] = {}
            if verbose:
                logger.info('Running %s...', alg)
            for bench in self.useBenchmarks:
                benchName = ''
                # check if passed benchmark is class
                if not isinstance(bench, ''.__class__):
                    # set class name as benchmark name
                    benchName = str(type(bench).__name__)
                else:
                    benchName = bench

                if verbose:
                    logger.info(
                        'Running %s algorithm on %s benchmark...', alg, benchName)

                self.results[alg][benchName] = []

                for _i in range(self.nRuns):
                    algorithm = self.__algorithmFactory(alg, bench)
                    self.results[alg][benchName].append(algorithm.run())

            if verbose:
                logger.info(
                    '---------------------------------------------------')

        if export == 'log':
            self.__exportToLog()
        elif export == 'json':
            self.__exportToJson()
        elif export == 'xlsx':
            self.__exportToXls()
        elif export == 'latex':
            self.__exportToLatex()
        else:
            raise TypeError('Passed export type is not supported!')

        return self.results


1			"""Python micro framework for building nature-inspired algorithms."""
2
3			from __future__ import print_function # for backward compatibility purpose
4
5			import os
6			import logging
7			import json
8			import datetime
9			import xlsxwriter
10			import numpy as np
11			from NiaPy import algorithms, benchmarks
12
13			__all__ = ['algorithms', 'benchmarks']
14			__project__ = 'NiaPy'
15			__version__ = '0.1.3a2'
16
17			VERSION = "{0} v{1}".format(__project__, __version__)
18
19			logging.basicConfig()
20			logger = logging.getLogger('NiaPy')
21			logger.setLevel('INFO')
22
23
24			class Runner(object):
25			"""Runner utility feature.
26
27			Feature which enables running multiple algorithms with multiple benchmarks.
28			It also support exporting results in various formats (e.g. LaTeX, Excel, JSON)
29
30			"""
31
32			def __init__(self, D, NP, nFES, nRuns, useAlgorithms, useBenchmarks, A=0.5, r=0.5,
33			Qmin=0.0, Qmax=2.0, Pa=0.25, F=0.5, CR=0.9, alpha=0.5, betamin=0.2, gamma=1.0,
34			p=0.5, Ts=4, Mr=0.05, C1=2.0, C2=2.0, w=0.7, vMin=-4, vMax=4, Tao=0.1):
35			r"""Initialize Runner.
36
37			**__init__(self, D, NP, nFES, nRuns, useAlgorithms, useBenchmarks, A=0.5, r=0.5,
38			Qmin=0.0, Qmax=2.0, Pa=0.25, F=0.5, CR=0.9, alpha=0.5, betamin=0.2, gamma=1.0,
39			p=0.5, Ts=4, Mr=0.05, C1=2.0, C2=2.0, w=0.7, vMin=-4, vMax=4, Tao=0.1)**
40
41			Arguments:
42			D {integer} -- dimension of problem
43
44			NP {integer} -- population size
45
46			nFES {integer} -- number of function evaluations
47
48			nRuns {integer} -- number of repetitions
49
50			useAlgorithms [] -- array of algorithms to run
51
52			useBenchmarks [] -- array of benchmarks to run
53
54			A {decimal} -- laudness
55
56			r {decimal} -- pulse rate
57
58			Qmin {decimal} -- minimum frequency
59
60			Qmax {decimal} -- maximum frequency
61
62			Pa {decimal} -- probability
63
64			F {decimal} -- scalling factor
65
66			CR {decimal} -- crossover rate
67
68			alpha {decimal} -- alpha parameter
69
70			betamin {decimal} -- betamin parameter
71
72			gamma {decimal} -- gamma parameter
73
74			p {decimal} -- probability switch
75
76			Ts {decimal}
77
78			Mr {decimal}
79
80			C1 {decimal} -- cognitive component
81
82			C2 {decimal} -- social component
83
84			w {decimal} -- inertia weight
85
86			vMin {decimal} -- minimal velocity
87
88			vMax {decimal} -- maximal velocity
89
90			Tao {decimal}
91			"""
92
93			self.D = D
94			self.NP = NP
95			self.nFES = nFES
96			self.nRuns = nRuns
97			self.useAlgorithms = useAlgorithms
98			self.useBenchmarks = useBenchmarks
99			self.A = A
100			self.r = r
101			self.Qmin = Qmin
102			self.Qmax = Qmax
103			self.Pa = Pa
104			self.F = F
105			self.CR = CR
106			self.alpha = alpha
107			self.betamin = betamin
108			self.gamma = gamma
109			self.p = p
110			self.Ts = Ts
111			self.Mr = Mr
112			self.C1 = C1
113			self.C2 = C2
114			self.w = w
115			self.vMin = vMin
116			self.vMax = vMax
117			self.Tao = Tao
118			self.results = {}
119
120			def __algorithmFactory(self, name, benchmark):
121			bench = benchmarks.utility.Utility().get_benchmark(benchmark)
122			algorithm = None
123
124			if name == 'BatAlgorithm':
125			algorithm = algorithms.basic.BatAlgorithm(
126			self.D, self.NP, self.nFES, self.A, self.r, self.Qmin, self.Qmax, bench)
127			elif name == 'DifferentialEvolutionAlgorithm':
128			algorithm = algorithms.basic.DifferentialEvolutionAlgorithm(
129			self.D, self.NP, self.nFES, self.F, self.CR, bench)
130			elif name == 'FireflyAlgorithm':
131			algorithm = algorithms.basic.FireflyAlgorithm(
132			self.D, self.NP, self.nFES, self.alpha, self.betamin, self.gamma, bench)
133			elif name == 'FlowerPollinationAlgorithm':
134			algorithm = algorithms.basic.FlowerPollinationAlgorithm(
135			self.D, self.NP, self.nFES, self.p, bench)
136			elif name == 'GreyWolfOptimizer':
137			algorithm = algorithms.basic.GreyWolfOptimizer(
138			self.D, self.NP, self.nFES, bench)
139			elif name == 'ArtificialBeeColonyAlgorithm':
140			algorithm = algorithms.basic.ArtificialBeeColonyAlgorithm(
141			self.D, self.NP, self.nFES, bench)
142			elif name == 'CuckooSearchAlgorithm':
143			algorithm = algorithms.basic.CuckooSearchAlgorithm(
144			self.D, self.NP, self.nFES, self.Pa, self.alpha, bench)
145			elif name == 'GeneticAlgorithm':
146			algorithm = algorithms.basic.GeneticAlgorithm(
147			self.D, self.NP, self.nFES, self.Ts, self.Mr, self.gamma, bench)
148			elif name == 'ParticleSwarmAlgorithm':
149			algorithm = algorithms.basic.ParticleSwarmAlgorithm(
150			self.D, self.NP, self.nFES, self.C1, self.C2, self.w, self.vMin, self.vMax, bench)
151			elif name == 'HybridBatAlgorithm':
152			algorithm = algorithms.modified.HybridBatAlgorithm(
153			self.D, self.NP, self.nFES, self.A, self.r, self.F, self.CR, self.Qmin, self.Qmax, bench)
154			elif name == 'SelfAdaptiveDifferentialEvolutionAlgorithm':
155			algorithm = algorithms.modified.SelfAdaptiveDifferentialEvolutionAlgorithm(
156			self.D, self.NP, self.nFES, self.F, self.CR, self.Tao, bench)
157			else:
158			raise TypeError('Passed benchmark is not defined!')
159
160			return algorithm
161
162			@classmethod
163			def __createExportDir(cls):
164			if not os.path.exists('export'):
165			os.makedirs('export')
166
167			@classmethod
168			def __generateExportName(cls, extension):
169			return 'export/' + str(datetime.datetime.now()).replace(':', '.') + '.' + extension
170
171			def __exportToLog(self):
172			print(self.results)
173
174			def __exportToJson(self):
175			self.__createExportDir()
176			with open(self.__generateExportName('json'), 'w') as outFile:
177			json.dump(self.results, outFile)
178			logger.info('Export to JSON completed!')
179
180			def __exportToXls(self):
181			self.__createExportDir()
182
183			workbook = xlsxwriter.Workbook(self.__generateExportName('xlsx'))
184			worksheet = workbook.add_worksheet()
185
186			row = 0
187			col = 0
188			nRuns = 0
189
190			for alg in self.results:
191			worksheet.write(row, col, alg)
192			col += 1
193
194			for bench in self.results[alg]:
195			worksheet.write(row, col, bench)
196
197			nRuns = len(self.results[alg][bench])
198
199			for i in range(len(self.results[alg][bench])):
200			row += 1
201			worksheet.write(row, col, self.results[alg][bench][i])
202
203			row -= len(self.results[alg][bench]) # jump back up
204			col += 1
205
206			row += 1 + nRuns # jump down to row after previous results
207			col -= 1 + len(self.results[alg])
208
209			workbook.close()
210			logger.info('Export to XLSX completed!')
211
212			def __exportToLatex(self):
213			self.__createExportDir()
214
215			metrics = ['Best', 'Median', 'Worst', 'Mean', 'Std.']
216
217			def only_upper(s):
218			return "".join(c for c in s if c.isupper())
219
220			with open(self.__generateExportName('tex'), 'a') as outFile:
221			outFile.write('\\documentclass{article}\n')
222			outFile.write('\\usepackage[utf8]{inputenc}\n')
223			outFile.write('\\usepackage{siunitx}\n')
224			outFile.write('\\sisetup{\n')
225			outFile.write('round-mode=places,round-precision=3}\n')
226			outFile.write('\\begin{document}\n')
227			outFile.write('\\begin{table}[h]\n')
228			outFile.write('\\centering\n')
229
230			begin_tabular = '\\begin{tabular}{cc'
231
232			for alg in self.results:
233			for _i in range(len(self.results[alg])):
234			begin_tabular += 'S'
235
236			firstLine = ' &'
237
238			for benchmark in self.results[alg].keys():
239			firstLine += ' & \\multicolumn{1}{c}{\\textbf{' + \
240			benchmark + '}}'
241
242			firstLine += ' \\\\'
243
244			break
245
246			begin_tabular += '}\n'
247			outFile.write(begin_tabular)
248			outFile.write('\\hline\n')
249			outFile.write(firstLine + '\n')
250			outFile.write('\\hline\n')
251
252			for alg in self.results:
253			for metric in metrics:
254			line = ''
255
256			if metric != 'Worst':
257			line += ' & ' + metric
258			else:
259			shortAlg = ''
260			if alg.endswith('Algorithm'):
261			shortAlg = only_upper(alg[:-9])
262			else:
263			shortAlg = only_upper(alg)
264			line += '\\textbf{' + shortAlg + '} & ' + metric
265
266			for benchmark in self.results[alg]:
267			if metric == 'Best':
268			line += ' & ' + \
269			str(np.amin(self.results[alg][benchmark]))
270			elif metric == 'Median':
271			line += ' & ' + \
272			str(np.median(self.results[alg][benchmark]))
273			elif metric == 'Worst':
274			line += ' & ' + \
275			str(np.amax(self.results[alg][benchmark]))
276			elif metric == 'Mean':
277			line += ' & ' + \
278			str(np.mean(self.results[alg][benchmark]))
279			else:
280			line += ' & ' + \
281			str(np.std(self.results[alg][benchmark]))
282
283			line += ' \\\\'
284			outFile.write(line + '\n')
285
286			outFile.write('\\hline\n')
287			outFile.write('\\end{tabular}\n')
288			outFile.write('\\end{table}\n')
289			outFile.write('\\end{document}')
290
291			logger.info('Export to Latex completed!')
292
293			def run(self, export='log', verbose=False):
294			"""Execute runner.
295
296			Keyword Arguments:
297			export {string} -- takes export type (e.g. log, json, xlsx, latex) (default: 'log')
298			verbose {boolean} -- switch for verbose logging (default: {False})
299
300			Raises:
301			TypeError -- Raises TypeError if export type is not supported
302
303			Returns:
304			Dictionary -- Returns dictionary of results
305
306			"""
307
308			for alg in self.useAlgorithms:
309			self.results[alg] = {}
310			if verbose:
311			logger.info('Running %s...', alg)
312			for bench in self.useBenchmarks:
313			benchName = ''
314			# check if passed benchmark is class
315			if not isinstance(bench, ''.__class__):
316			# set class name as benchmark name
317			benchName = str(type(bench).__name__)
318			else:
319			benchName = bench
320
321			if verbose:
322			logger.info(
323			'Running %s algorithm on %s benchmark...', alg, benchName)
324
325			self.results[alg][benchName] = []
326
327			for _i in range(self.nRuns):
328			algorithm = self.__algorithmFactory(alg, bench)
329			self.results[alg][benchName].append(algorithm.run())
330
331			if verbose:
332			logger.info(
333			'---------------------------------------------------')
334
335			if export == 'log':
336			self.__exportToLog()
337			elif export == 'json':
338			self.__exportToJson()
339			elif export == 'xlsx':
340			self.__exportToXls()
341			elif export == 'latex':
342			self.__exportToLatex()
343			else:
344			raise TypeError('Passed export type is not supported!')
345
346			return self.results
347

NiaOrg / NiaPy

Push — master ( 98a38e...400228 )

Runner.__algorithmFactory() F

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