cannot import a python module from a python package

Question

I have this repository structure:

py_files_and_packages/ # normal folder 
    package/  
        module1.py # contains a class  
        module2.py

the __init__.py file of this package contains only __author__='my name'

The Problem:
I am trying to import the class from module1.py into model2.py. When I use
from package.model1 import model1
and rung the script(model2.py) within PyCharm it works. However, when I run it from the command line it doesn't find the package. The error message: ImportError: No module named 'my package's name'.

I tried many tricks I found on the web such as (https://stackoverflow.com/a/22777011/2804070)but it didn't work.
I am using python-3.5.1 (installed locally), PyCharm 5.0.4 community edition, OS debian wheezy

from .module1 import Module1Class1

user3159253
– user3159253

2016-05-09 14:16:52 +00:00
Commented May 9, 2016 at 14:16 — user3159253
– user3159253, Commented May 9, 2016 at 14:16
from within module2.py

user3159253
– user3159253

2016-05-09 14:18:57 +00:00
Commented May 9, 2016 at 14:18 — user3159253
– user3159253, Commented May 9, 2016 at 14:18

Fujiao Liu · Accepted Answer · 2016-05-09 14:43:58Z

1

the problom is that python can't find your package, because it is not in search path.

in model2.py, try to add the following before from package.model1 import model1

import sys
sys.path.append('/path/to/py_files_and_packages')

so it looks like this:

import sys
sys.path.append('/path/to/py_files_and_packages')

from package.model1 import model1

# your code here

answered May 9, 2016 at 14:43

Fujiao Liu

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1 Comment

Taktech Over a year ago

thanks.. this works in all my test cases, however, after import i had to write the class name :)

SparkAndShine · Accepted Answer · 2016-05-09 14:46:56Z

0

Try this in model2.py:

from module1 import your_class_name

edited May 9, 2016 at 14:46

answered May 9, 2016 at 14:24

SparkAndShine

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2 Comments

Taktech Over a year ago

my __init__.py is under the directory package/. however, it worked, thanks. But PyCharm inspector in this case tells that it cannot neither reference the module nor the class inside that module.. But it interestingly works :)

SparkAndShine Over a year ago

@user2804070, that's great.

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