#!/bin/python # Cowsay message in Python # you can run this script: python3 cowsayMessageInPython.py "< message >" import colorama, os, shlex, subprocess, sys, traceback from colorama import Fore, Style from datetime import datetime colorama.init() def checkOs(): print("Started checking operating system at", datetime.now().strftime("%m-%d-%Y %I:%M %p")) if sys.platform == "win32": print(Fore.GREEN + "Operating System:", end=""); sys.stdout.flush() os.system('ver') print(Style.RESET_ALL, end="") operatingSystem = "Windows" elif sys.platform == "darwin": print(Fore.GREEN + "Operating System: ") os.system('sw_vers') print(Style.RESET_ALL, end="") operatingSystem = "macOS" elif sys.platfrom == "linux": print(Fore.GREEN + "Operating System: ") os.system(uname -r) print(Style.RESET_ALL, end="") operatingSystem = "Linux" print("Finished checking operating system at", datetime.now().strftime("%m-%d-%Y %I:%M %p")) print("") return operatingSystem def checkCowsay(operatingSystem): print("Started checking Cowsay at", datetime.now().strftime("%m-%d-%Y %I:%M %p")) FNULL = open(os.devnull, 'w') if operatingSystem == "Windows": checkCowsayOnWindows = subprocess.call(['where', 'cowsay'], stdout=FNULL) if checkCowsayOnWindows == 0: print(Fore.GREEN + "Cowsay is installed." + Style.RESET_ALL) print("Finished checking Cowsay at", datetime.now().strftime("%m-%d-%Y %I:%M %p")) print("") else: raise Exception("Cowsay is not installed.") else: checkCowsayOnMacOrLinux = subprocess.call(['which', 'cowsay'], stdout=FNULL) if checkCowsayOnMacOrLinux == 0: print(Fore.GREEN + "Cowsay is installed." + Style.RESET_ALL) print("Finished checking Cowsay at", datetime.now().strftime("%m-%d-%Y %I:%M %p")) print("") else: raise Exception("Cowsay is not installed.") def getCowMessage(operatingSystem): if operatingSystem == "Windows": cowMessage = str(input("Please type what you like the cow to say and press \"Enter\" key (Example: Moo!): ")) else: cowMessage = str(input("Please type what you like the cow to say and press \"return\" key (Example: Moo!): ")) print("") return cowMessage def checkParameters(cowMessage): print("Started checking parameter(s) at", datetime.now().strftime("%m-%d-%Y %I:%M %p")) valid = True print("Parameter(s): ") print("----------------------------------") print("cowMessage: {0}".format(cowMessage)) print("----------------------------------") if cowMessage == None or cowMessage == "": print(Fore.RED + "cowMessage is not set.") valid = False if valid == True: print(Fore.GREEN + "All parameter check(s) passed." + Style.RESET_ALL) print("Finished checking parameter(s) at", datetime.now().strftime("%m-%d-%Y %I:%M %p")) print("") else: raise Exception("One or more parameters are incorrect.") def cowsayMessage(): print("\nCowsay message in Python.\n") operatingSystem = checkOs() checkCowsay(operatingSystem) if len(sys.argv) >= 2: cowMessage = str(sys.argv[1]) else: cowMessage = getCowMessage(operatingSystem) try: checkParameters(cowMessage) startDateTime = datetime.now() print("Cow started message at", startDateTime.strftime("%m-%d-%Y %I:%M %p")) cmd = "cowsay {}".format(shlex.quote(cowMessage)) os.system(cmd) print(Fore.GREEN + "Cow successfully said message." + Style.RESET_ALL) finishedDateTime = datetime.now() print("Cow finished message at", finishedDateTime.strftime("%m-%d-%Y %I:%M %p")) duration = finishedDateTime - startDateTime print("Total execution time: {0} second(s)".format(duration.seconds)) print("") except Exception: print(Fore.RED + "Cow failed to say message.") traceback.print_exc() exit("" + Style.RESET_ALL) cowsayMessage()