python file

import os

path = "a.txt"

f = open(path, 'w', encoding = 'utf-8')
if os.path.exists(path):
    f.close()

def touch_tmp_file(request):
    id = request.GET['id']
    tmp_file = tempfile.NamedTemporaryFile(prefix=id)
    return HttpResponse(f"tmp file: {tmp_file} created!", content_type='text/plain')

import os

path = 'a.txt'
with open(path, 'w', encoding = 'utf-8') as f:
    f.write("11111111111\n")

with open(path, 'a', encoding = 'utf-8') as f:
    f.write("22222222222\n")

os.rename(old_path, new_path)

import os
import shutil

def move_file(source_path: str, target_path: str):
    # 待移动文件不存在
    if not os.path.isfile(source_path):
        return
    path, name = os.path.split(target_path)
    if not os.path.exists(path):
        os.makedirs(path)
    # 复制文件 shutil.copyfile() 
    shutil.move(source_path,  target_path)

def del_file(path: str):
    if not os.path.exists(path):
        return
    os.remove(path)

import os

path = 'a.txt'

with open(path, 'r', encoding = 'utf-8') as f:
    # 整体读取
    data = f.read()
    print("data = ", data)
    
with open(path, 'r', encoding = 'utf-8') as f:
    # 逐行读取
    for i in f.readlines():
        print('line = ', i)

import os

path = './'

def display_all_files(folder_path: str):
    for i in os.listdir(folder_path):
        path = os.path.join(folder_path, i)
        # 若是文件则显示
        if os.path.isfile(path):
            print(path)

display_all_files(path)

def display_all_folders(folder_path: str):
    for i in os.listdir(folder_path):
        path = os.path.join(folder_path, i)
        # 若该对象是文件夹
        if os.path.isdir(path):
            display_all_files(path)