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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()
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