python打印支票_从数字转换为单词以打印支票的Python脚本
分析信息:此腳本的性能較差,執(zhí)行時間為0.458秒,而上述腳本的執(zhí)行時間為0.237秒,僅運行10000次。在class Number2Words(object):
def __init__(self):
'''Initialise the class with useful data'''
self.wordsDict = {1: 'one', 2: 'two', 3: 'three', 4: 'four', 5: 'five', 6: 'six', 7: 'seven',
8: 'eight', 9: 'nine', 10: 'ten', 11: 'eleven', 12: 'twelve', 13: 'thirteen',
14: 'fourteen', 15: 'fifteen', 16: 'sixteen', 17: 'seventeen',
18: 'eighteen', 19: 'nineteen', 20: 'twenty', 30: 'thirty', 40: 'forty',
50: 'fifty', 60: 'sixty', 70: 'seventy', 80: 'eighty', 90: 'ninty' }
self.powerNameList = ['thousand', 'lac', 'crore']
def convertNumberToWords(self, number):
# Check if there is decimal in the number. If Yes process them as paisa part.
formString = str(number)
if formString.find('.') != -1:
withoutDecimal, decimalPart = formString.split('.')
paisaPart = str(round(float(formString), 2)).split('.')[1]
inPaisa = self._formulateDoubleDigitWords(paisaPart)
formString, formNumber = str(withoutDecimal), int(withoutDecimal)
else:
# Process the number part without decimal separately
formNumber = int(number)
inPaisa = None
if not formNumber:
return 'zero'
self._validateNumber(formString, formNumber)
inRupees = self._convertNumberToWords(formString)
if inPaisa:
return 'Rs. %s and %s paisa' % (inRupees.title(), inPaisa.title())
else:
return 'Rs. %s' % inRupees.title()
def _validateNumber(self, formString, formNumber):
assert formString.isdigit()
# Developed to provide words upto 999999999
if formNumber > 999999999 or formNumber < 0:
raise AssertionError('Out Of range')
def _convertNumberToWords(self, formString):
MSBs, hundredthPlace, teens = self._getGroupOfNumbers(formString)
wordsList = self._convertGroupsToWords(MSBs, hundredthPlace, teens)
return ' '.join(wordsList)
def _getGroupOfNumbers(self, formString):
hundredthPlace, teens = formString[-3:-2], formString[-2:]
msbUnformattedList = list(formString[:-3])
# -#
MSBs = []
tempstr = ''
for num in msbUnformattedList[::-1]:
tempstr = '%s%s' % (num, tempstr)
if len(tempstr) == 2:
MSBs.insert(0, tempstr)
tempstr = ''
if tempstr:
MSBs.insert(0, tempstr)
# -#
return MSBs, hundredthPlace, teens
def _convertGroupsToWords(self, MSBs, hundredthPlace, teens):
wordList = []
# -#
if teens:
teens = int(teens)
tensUnitsInWords = self._formulateDoubleDigitWords(teens)
if tensUnitsInWords:
wordList.insert(0, tensUnitsInWords)
# -#
if hundredthPlace:
hundredthPlace = int(hundredthPlace)
if not hundredthPlace:
# Might be zero. Ignore.
pass
else:
hundredsInWords = '%s hundred' % self.wordsDict[hundredthPlace]
wordList.insert(0, hundredsInWords)
# -#
if MSBs:
MSBs.reverse()
for idx, item in enumerate(MSBs):
inWords = self._formulateDoubleDigitWords(int(item))
if inWords:
inWordsWithDenomination = '%s %s' % (inWords, self.powerNameList[idx])
wordList.insert(0, inWordsWithDenomination)
# -#
return wordList
def _formulateDoubleDigitWords(self, doubleDigit):
if not int(doubleDigit):
# Might be zero. Ignore.
return None
elif self.wordsDict.has_key(int(doubleDigit)):
# Global dict has the key for this number
tensInWords = self.wordsDict[int(doubleDigit)]
return tensInWords
else:
doubleDigitStr = str(doubleDigit)
tens, units = int(doubleDigitStr[0])*10, int(doubleDigitStr[1])
tensUnitsInWords = '%s %s' % (self.wordsDict[tens], self.wordsDict[units])
return tensUnitsInWords
if __name__ == '__main__':
wGenerator = Number2Words()
print wGenerator.convertNumberToWords(100000)
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