replace file

replace_csv_file.py

import csv
import os


def replace_csv_file(file_path, old_str, new_str):
    count = 0
    temp_path = '_' + file_path
    with open(file_path, 'r') as read_file:
        with open(temp_path, 'w') as write_file:
            reader = csv.reader(read_file)
            writer = csv.writer(write_file, lineterminator='\n')

            for row in reader:
                count += 1
                try:
                    writer.writerow(
                        [col.replace(old_str, new_str) for col in row])
                except:
                    print 'Error Line: {}'.format(count)
                    raise

    os.remove(file_path)
    os.rename(temp_path, file_path)

replace_file.py

def replace_file(file_path, old_str, new_str):
    with open(file_path) as io:
        io.seek(0)
        rep = io.getvalue().replace(old_str, new_str)
        io.truncate()
        io.write(rep)

replace_text_file.py

import os


def replace_text_file(file_path, old_str, new_str):
    count = 0
    temp_path = '_' + file_path
    with open(file_path, 'r') as read_file:
        with open(temp_path, 'w') as write_file:

            for read_line in read_file:
                count += 1
                try:
                    write_file.write(read_line.replace(old_str, new_str))
                except:
                    print 'Error Line: {}'.format(count)
                    raise

    os.remove(file_path)
    os.rename(temp_path, file_path)