python中txt转成csv_使用python将txt文件转成csv格式

import csv

import os

import shutil

from chardet.universaldetector import UniversalDetector

def get_encode_info(file):

with open(file, 'rb') as f:

detector = UniversalDetector()

for line in f.readlines():

detector.feed(line)

if detector.done:

break

detector.close()

return detector.result['encoding']

def read_file(file):

with open(file, 'rb') as f:

return f.read()

def write_file(content, file):

with open(file, 'wb') as f:

f.write(content)

def convert_encode2utf8(file, original_encode, des_encode):

file_content = read_file(file)

file_decode = file_content.decode(original_encode, 'ignore')

file_encode = file_decode.encode(des_encode)

write_file(file_encode, file)

## Move *.txt to a folder

def move2txtfolder(path, txt_file_list):

txt_folder_path = path

if not os.path.exists(txt_folder_path):

os.makedirs(txt_folder_path)

for file in txt_file_list:

des_path = os.path.join(txt_folder_path, os.path.basename(file))

shutil.move(file, des_path)

##在路径中找出所有的*.txt文件

def findtxt(path, txt_file_list):

file_name_list = os.listdir(path)

for filename in file_name_list:

de_path = os.path.join(path, filename)

if os.path.isfile(de_path):

if de_path.endswith(".txt"): # Specify to find the txt file.

txt_file_list.append(de_path)

else:

findtxt(de_path, txt_file_list)

def txt2csv(txt_file):

##先把所有文件的encoding都转换成utf-8

encode_info = get_encode_info(txt_file)

if encode_info != 'utf-8':

convert_encode2utf8(txt_file, encode_info, 'utf-8')

csv_file = os.path.splitext(txt_file)[0] + '.csv'

with open(csv_file, 'w+', newline='', encoding='utf-8') as csvfile:

writer = csv.writer(csvfile, dialect='excel')

with open(txt_file, 'r', encoding='utf-8') as txtfile:

for line in txtfile.readlines():

line_list = line.strip('\n').split(',')

writer.writerow(line_list)

if __name__ == '__main__':

folder_path = r'C:\flower\split_data'

txt_file_list = [os.path.join(folder_path, file) for file in os.listdir(folder_path) if

os.path.join(folder_path, file).endswith('.txt')]

for txt_file in txt_file_list:

txt2csv(txt_file)

move2txtfolder(folder_path, txt_file_list)