Python - Module Not Found

Question

I am a beginner with Python. Before I start, here's my Python folder structure

-project
----src
------model
--------order.py
------hello-world.py

Under src I have a folder named model which has a Python file called order.py which contents follow:

class SellOrder(object):
    def __init__(self,genericName,brandName):
        self.genericName = genericName
        self.brandName = brandName

Next my hello-world.py is inside the src folder, one level above order.py:

import model.order.SellOrder

order = SellOrder("Test","Test")

print order.brandName

Whenever I run python hello-world.py it results in the error

Traceback (most recent call last):
  File "hello-world.py", line 1, in <module>
    import model.order.SellOrder
ImportError: No module named model.order.SellOrder

Is there anything I missed?

__init__.py can be empty or can contain code. it is common for projects to expose their primary / public classes at the package level. In your case you could add from model.order import SellOrder so that other code can do from project import Sellorder instead of from project.model.order import SellOrder. — miraculixx

RafazZ RafazZ · Accepted Answer · 2016-05-15T00:28:11

All modules in Python have to have a certain directory structure. You can find details here.

Create an empty file called __init__.py under the model directory, such that your directory structure would look something like that:

.
└── project
    └── src
        ├── hello-world.py
        └── model
            ├── __init__.py
            └── order.py

Also in your hello-world.py file change the import statement to the following:

from model.order import SellOrder

That should fix it

P.S.: If you are placing your model directory in some other location (not in the same directory branch), you will have to modify the python path using sys.path.

Python - Module Not Found

8 Answers

You need to make sure the module is installed for all versions of python