| import os | |
| from cmd import Cmd | |
| from visma.gui.cli import commandExec | |
| from visma.gui.window import initGUI | |
| from visma.gui import logger | |
| def init(): | |
| open(os.path.abspath("log.txt"), "w").close() | |
| logger.setLevel(10) | |
| logger.setLogName('main') | |
| logger.info('Initialising VisMa...(currently in CLI mode)') | |
| class VisMa_Prompt(Cmd): | |
| '''This inititates the main VisMa Prompt from where user may move to CLI/GUI''' | |
| userManual = "|_________________________________________________________________________________________________|\n"\ | |
| "| gui ->> opens Visma in GUI mode. |\n"\ | |
| "| Ctrl + D ->> Closes the prompt. |\n"\ | |
| "| exit ->> Closes the prompt. |\n"\ | |
| "|-------------------------------------------------------------------------------------------------|\n"\ | |
| "| simplify( equation or expression ) ->> Simplifies the given equation. |\n"\ | |
| "| addition( equation or expression ) ->> Adds the elements used. |\n"\ | |
| "| subtraction( equation or expression ) ->> Subtracts the elements used. |\n"\ | |
| "| multiplication( equation or expression ) ->> Multiplies the elements used. |\n"\ | |
| "| division( equation or expression ) ->> Divides the elements used. |\n"\ | |
| "|-------------------------------------------------------------------------------------------------|\n"\ | |
| "| factorize( expression ) ->> Factorizes the expression. |\n"\ | |
| "| find-roots( equation ) ->> Solves the quadratic equation for the variable in the equation. |\n"\ | |
| "| solve( equation , variable ) ->> Solves the equation for the given variable. |\n"\ | |
| "|-------------------------------------------------------------------------------------------------|\n"\ | |
| "| integrate( expression , variable ) ->> Integrates the expression by the given variable. |\n"\ | |
| "| differentiate( expression , variable ) ->> Differentiates the expression by the given variable. |\n"\ | |
| "|_________________________________________________________________________________________________|\n"\ | |
| prompt = '>>> ' | |
| intro = "Welcome! This is Visual Maths Interactive Shell...\n" + "type 'help' for a User Manual and Ctrl + D to Exit prompt\n" | |
| def do_exit(self, inp): | |
| '''Exits VisMa Prompt''' | |
| print("Exiting VisMa...") | |
| logger.info('Exiting VisMa...') | |
| return True | |
| def emptyline(self): | |
| logger.error('Empty line received as input') | |
| print('Empty line received as input\n') | |
| def do_manual(self, inp): | |
| '''Displays a list of commands that can be used''' | |
| print(self.userManual) | |
| def do_gui(self, inp): | |
| '''Starts GUI of VisMa''' | |
| initGUI() | |
| print("Initiating GUI...") | |
| logger.info("Initiating GUI...") | |
| def default(self, inp): | |
| '''Directs to CommandExec and performs operations thereafter''' | |
| try: | |
| commandExec(inp) | |
| except Exception: | |
| logger.error('Invalid Expression: ' + inp) | |
| print('Invalid Expression: ' + inp + '\n') | |
| do_EOF = do_exit | |
| VisMa_Prompt().cmdloop() | |
| if __name__ == '__main__': | |
| init() | |