Number Base Converter App in Python with Source Code.zip

correspondenceString = r"""0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz/-""" def convert(number = '10', baseFrom = 10, baseTo = 10): check = checks(number, baseFrom, baseTo) if not check.accepted:return check.message convertedToBase10 = convertToBase10(number, baseFrom) return convertToBase(convertedToBase10, baseTo) def convertToBase10(number = "10", baseFrom = 10, correspondenceString = correspondenceString): baseFrom = int(baseFrom) charToNumCorrespondence = {j:i for i, j in enumerate(correspondenceString)} convertedBase10 = 0 for num, char in enumerate(reversed(str(number))): convertedBase10 += int(charToNumCorrespondence[char]) * (baseFrom ** num) return convertedBase10 def convertToBase(number = "10", baseTo = 10, correspondenceString = correspondenceString): baseTo = int(baseTo) numToCharCorrespondence = {i:j for i, j in enumerate(correspondenceString)} convertedNum = "" while number != 0: remainder = number % baseTo corresponding = numToCharCorrespondence[remainder] convertedNum += str(corresponding) number //= baseTo return convertedNum[::-1] def checks(number, baseFrom, baseTo, correspondenceString = correspondenceString): try: baseTo = int(baseTo);baseFrom = int(baseFrom) except Exception:return checkMessage(False, "invalid base, must be a numerical value") if baseTo < 1 or baseFrom < 1:return checkMessage(False, "base must be greator then 0") if baseTo > len(correspondenceString):return checkMessage(False, "this base is not supported") for i in str(number): if i not in correspondenceString:return checkMessage(False, "invalid charater") return checkMessage(True, "All parameters accepted") class checkMessage: def __init__(self, accepted, message): self.accepted, self.message = accepted, message