def main():
print('-'*10+'Welcome to ML Preprocessor CLI'+'-'*10+'\n\n')
try:
file_path=sys.argv[1]
if file_path.endswith('.csv')==False:
raise IncorrectFileFormatError("file is not in CSV format")
revised_df=readCSV(file_path)
print('\nScreenshot of independent dataframe:\n')
print(revised_df.head())
print('\n'+'-'*30+'\n')
while True:
print('\nTasks(Preprocessing)')
print('1.Data Description')
print('2.Handling NULL values')
print('3.Encoding Categorical Data')
print('4.Feature Scaling of the Dataset')
print('5.Download the modified Dataset\n')
option=int(input('What do you want to do?(Press -1 to exit):'))
if option==-1:
raise ExitError
elif option==1:
data_desc=DataDescription(revised_df)
while True:
option=data_desc.getOption()
if option==-1:
break
elif option==1:
data_desc.showProperty()
elif option==2:
data_desc.showStats()
elif option==3:
data_desc.showDF()
else:
print('Incorrect option!Try again.')
elif option==2:
impute=Imputation(revised_df)
while True:
option=impute.getOption()
if option==-1:
break
elif option==1:
impute.countNULL()
elif option==2:
revised_df=impute.dropColumn()
elif option==3:
revised_df=impute.fillUtil()
elif option==4:
impute.showDF()
else:
print('Incorrect option!Try again.')
elif option==3:
encode=EncodeCategorical(revised_df)
while True:
option=encode.getOption()
if option==-1:
break
elif option==1:
encode.showCategorical()
elif option==2:
revised_df=encode.performOneHotEncodingUtil()
elif option==3:
encode.showDF()
else:
print('Incorrect option!Try again.')
elif option==4:
while True:
scale=FeatureScaling(revised_df)
option=scale.getOption()
if option==-1:
break
elif option==1:
scale.normalizeUtil()
elif option==2:
scale.standardizeUtil()
elif option==3:
scale.showDF()
else:
print('Incorrect option!Try again.')
elif option==5:
download=Download(revised_df)
download.downloadDataframe()
else:
print('Incorrect option!Try again.')
except IndexError as e:
print('File path missing.',e)
except IncorrectFileFormatError as e:
print('Incorrect file format.',e)
except FileNotFoundError as e:
print('File Not Found!',e)
except ExitError as e:
print(e)
except Exception as e:
print('Incorrect option chosen.',e)
