Python 导入模块不起作用
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Importing module not working
提问by Peni
I have a django (but i think it's nor revelant here) project where I try to add a script i did before. So I put it in a subdirectory of my project, and i have this structure (I know it's a little bit of a mess at the moment but it won't stay exactly like that)
我有一个 django（但我认为它在这里也不相关）项目，我尝试在其中添加我以前做过的脚本。所以我把它放在我的项目的一个子目录中，我有这个结构（我知道它现在有点乱，但它不会保持原样）
From views.pyi want to import main.py(Especially the function excelToXml) . After searches on internet i found that code that i copied in views.py . If I undestood it right it add to the variable $PATH the directory parent of first_pageand though, every subdirectory
从views.py我想导入main.py（特别是函数excelToXml）。在互联网上搜索后，我发现我在 views.py 中复制的代码。如果我undestood它的权利将其添加到变量$ PATH的目录的父first_page虽然，每一个子目录
CURRENT = os.path.dirname(os.path.abspath(__file__))
PARENT = os.path.dirname(CURRENT)
sys.path.append(PARENT)
from ExcelToXML.main import excelToXml
I also created a file __init.py__ in the directory ExcelToXML, this file is left empty.
我还在ExcelToXML目录中创建了一个文件__init.py__，这个文件是空的。
However even I did all that i still get this error when i run the django server
但是，即使我做了所有这些，当我运行 django 服务器时，我仍然会收到此错误
File "c:\Users\CRA\AppData\Local\Programs\Python\Python36-32\Lib\site-packages\django\bin\DevisVersOpen\DevisVersOpen\urls.py", line 18, in module
from first_page import views
File "c:\Users\CRA\AppData\Local\Programs\Python\Python36-32\Lib\site-packages\django\bin\DevisVersOpen\first_page\views.py", line 13, in module
from ExcelToXML.main import excelToXml
ModuleNotFoundError: No module named 'ExcelToXML'
文件“c:\Users\CRA\AppData\Local\Programs\Python\Python36-32\Lib\site-packages\django\bin\DevisVersOpen\DevisVersOpen\urls.py”，第 18 行，在模块中
从 first_page 导入视图
文件“c:\Users\CRA\AppData\Local\Programs\Python\Python36-32\Lib\site-packages\django\bin\DevisVersOpen\first_page\views.py”，第 13 行，在模块中
从 ExcelToXML.main 导入 excelToXml
ModuleNotFoundError: 没有名为“ExcelToXML”的模块
I didn't find any solution that I could understand on internet so I really don't know how to solve this
我没有在互联网上找到任何我能理解的解决方案，所以我真的不知道如何解决这个问题
采纳答案by Cédric Julien
Your directory structure let me think that you should try to import like this :
您的目录结构让我认为您应该尝试像这样导入：
from first_page.ExcelToXML.main import excelToXml
because the ExcelToXML is under the first_page module, so it is viewed as a submodule of first_page.
因为ExcelToXML 在first_page 模块下，所以被视为first_page 的子模块。
回答by Rohith
Check this for details on what is init.py file What is __init__.py for?
检查此以获取有关什么是init.py 文件的详细信息__init__.py 的用途是什么？
The init.py file should be present in every directory and sub directories whose classes should be made visible for import. In your case, the I am suspecting that the parent directory does not have the init.py file. Add the file in the parent directory and import it as follows
在初始化.py文件应该是存在于每个目录和子目录，其类进口应可见。在您的情况下，我怀疑父目录没有init.py 文件。在父目录中添加文件并导入如下
import first_page.ExcelToXML
导入 first_page.ExcelToXML
回答by Zcode
Okay hello, the solution you found is (I think) a mess, you should read the official documentation about it https://docs.python.org/3.6/tutorial/modules.html#packages.
In short just add from .idea.main import excelToXml.
If it does not work, rename .ideafolder to idea(without the dot) and add in your views.pythis line :from idea.main import excelToXml
好的，您好，您找到的解决方案（我认为）一团糟，您应该阅读有关它的官方文档https://docs.python.org/3.6/tutorial/modules.html#packages。
简而言之，只需添加from .idea.main import excelToXml. 如果它不起作用，请将.idea文件夹重命名为idea（不带点）并添加您的views.py这一行：from idea.main import excelToXml
