Das deutsche Python-Forum

Code: Alles auswählen

numchar=[]
numchartotal=0
for char in char2count:
    tmp = text.count(char)
    numchar.append(tmp)
    numchartotal += tmp

Code: Alles auswählen

numchar = [text.count(char) for char in char2count]
numchar = map(text.count, char2count)
numchartotal = sum(numchar)

Code: Alles auswählen

#!/usr/bin/python
# -*- coding: utf-8 -*-
import optparse

parser = optparse.OptionParser()
parser.set_usage("%prog [options] File")
parser._add_version_option()
parser.version="%prog 0.1"
parser.add_option("-c","--case-sensitive",action="store_false", dest="lower",default=True,help="don't convert Letters to lowercase")
parser.add_option("-p","--percentage",action="store_true", dest="percentage",default=False,help="Show Percentage of default Characters")
parser.add_option("-P","--Percentage",action="store", type="string", dest="charcount",help="Show Percentage of charactres spezified in File",metavar="charfile")

(options, args) = parser.parse_args()

lower = options.lower
percentage = options.percentage

if len(args)>0:
    try:
        daten = file (args[0],'r')
        text = daten.read()
        daten.close()
    except IOError, err:
        print 'Error when reading File "%s":\n\t%s' % (err.filename, err)
        parser.exit()
else:
    parser.print_help() 
    parser.exit()

if options.charcount is not None:
    try:
        chardaten = file (options.charcount,'r')
        chartext = chardaten.read()
        chardaten.close()
        char2count=list(chartext)
    except IOError, err:
        print 'Error when reading File "%s":\n\t%s' % (err.filename, err)
        parser.exit()

elif lower:
    char2count=list("abcdefghijklmnopqrstuvwxyz")
else:
    char2count=list("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz")

if lower:
    text = text.lower()

numworte=len(text.split())
numchar = [text.count(char) for char in char2count]
numchar = map(text.count, char2count)
numchartotal = sum(numchar)

if len(numchar)!=len(char2count):
    print "Error in CharCount"
else:
    print "Anzahl der Worte:",numworte
    print "Anzahl der Buchstaben:",numchartotal
    print "Durchschnittliche Anzahl der Buchstaben pro Wort:",numchartotal/numworte
    if percentage:
        print "Anteile der Zeichen"
        for i in range(len(char2count)):
            char_tmp=char2count[i]
            num_tmp=float(numchar[i])
            numchartotal=float(numchartotal)
            proz=(num_tmp/numchartotal)*100
            print "Der Anteil von",char_tmp,"ist","%5.2f" % proz,"%"

Code: Alles auswählen

>>> f = {'a': 6.51}
>>> f
{'a': 6.5099999999999998}

Code: Alles auswählen

#!/usr/bin/python
# -*- coding: utf-8 -*-
import optparse
import time

def main():
    start=time.time()
    options,args,parser=parsing()
    text,char2count=fileopen(options,args,parser)
    if options.lower:
        text = text.lower()
    numworte,numchar,numchartotal=count(text,char2count)
    output(numworte,numchar,numchartotal,char2count,options)
    if options.test:
        test(start)

def parsing():

    parser = optparse.OptionParser()
    parser.set_usage("%prog [options] File")
    parser._add_version_option()
    parser.version="%prog 0.1"
    parser.add_option("-c","--case-sensitive",action="store_false", dest="lower",default=True,help="don't convert Letters to lowercase")
    parser.add_option("-p","--percentage",action="store_true", dest="percentage",default=False,help="Show Percentage of default Characters")
    parser.add_option("-P","--Percentage",action="store", type="string", dest="charcount",help="Show Percentage of charactres spezified in File",metavar="charfile")
    parser.add_option("-s","--special",action="store_true", dest="special",default=False,help="Analyse special charactres")
    parser.add_option("-t","--test",action="store_true", dest="test",default=False,help="Make a Speedtest")
    
    (options, args) = parser.parse_args()
    return options,args,parser

def fileopen(options,args,parser):    
    if len(args)>0:
        try:
            daten = file (args[0],'r')
            text = daten.read()
            daten.close()
        except IOError, err:
            print 'Error when reading File "%s":\n\t%s' % (err.filename, err)
            parser.exit()
    else:
        parser.print_help() 
        parser.exit()
    
    if options.charcount is not None:
        try:
            chardaten = file (options.charcount,'r')
            chartext = chardaten.read()
            chardaten.close()
            char2count=list(chartext)
        except IOError, err:
            print 'Error when reading File "%s":\n\t%s' % (err.filename, err)
            parser.exit()
    else:
        char2count=set(options)
    return text,char2count

def set(options):
    if options.lower:
        char2count=list("abcdefghijklmnopqrstuvwxyz")
    else:
        char2count=list("AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz")
    if options.special:
        char2count.append("--")
        char2count.extend(" ")
        spezial_char=".,;.´:-_#'+*~!?§$€%&()[]{}=\/|<>"
        char2count.extend(spezial_char)
    return char2count

def count (text,char2count):
    numworte=len(text.split())
    numchar = [text.count(char) for char in char2count]
    numchar = map(text.count, char2count)
    numchartotal = sum(numchar)
    return numworte,numchar,numchartotal

def output(numworte,numchar,numchartotal,char2count,options):
    percentage = options.percentage
    print "Anzahl der Worte:",numworte
    print "Anzahl der Buchstaben:",numchartotal
    print "Durchschnittliche Anzahl der Buchstaben pro Wort:",numchartotal/numworte
    if percentage:
        print "Anteile der Zeichen"
        for i in range(len(char2count)):
            char_tmp=char2count[i]
            if char_tmp != "--":
                num_tmp=float(numchar[i])
                numchartotal=float(numchartotal)
                proz=(num_tmp/numchartotal)*100
                print "Der Anteil von",char_tmp,"ist","%5.2f" % proz,"% Absolut:",numchar[i]
            else:
                print "------------------------------------------------------"
def test(start):
    print "Runtime: %.4f"%(time.time()-start),"Sekunden"
    print "Cputime: %.4f"%(time.clock()),"Sekunden"
    
if __name__ == '__main__':
    main()

Code: Alles auswählen

In [42]: 6.51
Out[42]: 6.5099999999999998

In [43]: '%s' % 6.51
Out[43]: '6.51'

In [44]: '%f' % 6.51
Out[44]: '6.510000'

In [45]: '%5.2f' % 6.51
Out[45]: ' 6.51'

Code: Alles auswählen

>>> f = {'a': '%s' % 6.51}
>>> f
{'a': '6.51'}
>>> f['a']
'6.51'

Code: Alles auswählen

f = {"a":6.51}

Code: Alles auswählen

in_string = "Hier noch ein wenig Text: %5.2f. Und hier auch noch ein wenig" % f["a"]