main.py代码如下: importsys sys.path.append('/path/to/project/another_directory')frommoduleimportmy_function my_function() 1. 2. 3. 4. 5. 6. module.py代码如下: defmy_function():print("Hello from another directory!") 1. 2. 执行main.py,将会输出: Hello from another directory! 1. 结语...
from file import function os.chdir("**Put here the directory where you were working**") 1. 2. 3. 4. 替代方案2将函数所在的目录添加到sys.path import sys sys.path.append("**Put here the directory where you have the file with your function**") from file import function 1. 2. 3. ...
Python code in one module gains access to the code in another module by the process of importing it. 简单来说,我们日常看到的.py文件,都称作是一个module。 当你的 python 代码需要获取外部的一些功能(一些已经造好的轮子),你就需要使用到 import 这个声明关键字。import可以协助导入其他 module 。(类似...
If that is the case, put myfile.py somewhere else – not inside the package directory – and run it. If inside myfile.py you do things like from package.moduleA import spam, it will work fine.NotesFor either of these solutions, the package directory (package in your example) must be...
from multiprocessing.pool import Pool 使用绝对导入方式也会导致一些问题,当我们导入本地目录的模块时,Python经常会找不到相应的库文件而抛出ImportError异常。解决这样的问题最为简单的是将本地目录添加到sys.path列表中去,在pycharm中可以对文件夹右键选择Mark Directory as->Sources Root。
Python语言中import的使用很简单,直接使用import module_name语句导入即可。这里我主要写一下"import"的本质。 Python官方定义:Python code in one module gains access to the code in another module by the process of importing it. 1.定义: 模块(module):用来从逻辑(实现一个功能)上组织Python代码(变量、函数...
from pathlibimportPathimportos.path # 老方式 two_dirs_up=os.path.dirname(os.path.dirname(os.path.abspath(__file__)))# 新方式,可读性强 two_dirs_up=Path(__file__).resolve().parent.parent 路径被视为对象而不是字符串这一事实也使得可以创建一次对象,然后查找其属性或对其进行操作: ...
VSCode debugger looks for python in a directory that does not exist even though python is being run from another environment that is active#926Description rbavery opened on Apr 5, 2022· edited by rbavery Edits Issue Type: Bug Behaviour I run the debugger and it doesn't look for python ...
Absolute imports are recommended, as they are usually more readable and tend to be better behaved (or at least give better error messages) if the import system is incorrectly configured (such as when a directory inside a package ends up on sys.path)(推荐绝对导入,涉及到项目结构,后面会提到) ...
# this is anotherline 在文件中写入行 若要将文本写入特殊的文件类型(例如JSON或csv),则应在文件对象顶部使用Python内置模块json或csv。import csv import json withopen("cities.csv", "w+") as file:writer = csv.DictWriter(file, fieldnames=["city", "country"])writer.writeheader()writer.writerow(...