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Issue importing modules with Django, but runs fine when I run it independently using '-m' flag

Currently I have a python project with the following directory structure.
I can run the demo.py file directly fine (without importing it in my Django project) from the outermost directory shown above using the following command:
python -m ObjectSegmentation.segmentation_api.apps.tools.demo
However, in my Django project, I need to import the demo.py file in my django views.py file, but when I do so, I get the following error:
from ObjectSegmentation.segmentation_api.apps.tools.test import *
ModuleNotFoundError: No module named 'ObjectSegmentation'
These are the first few lines from demo.py (including line 4) where the error occurs.
My installed apps in settings.py for the whole project look like this:
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'apps.tools.demo',
'rest_framework'
]
How can I make it so that the imports work with both the project run independently and imported in my django project?

ModuleNotFoundError: No module named 'project.user'

If anyone knows how to solve this, please don't hesitate to help. I've tried many hints, but so far this problem still remains. Too frustrating!
I just started a little project on Django because I want to test Django Rest Framework. I created a project called project and inside it an app called user.
After that, I created a directory called api inside user and then I created the files viewsets.py and serializers.py in order to test Django Rest Framework.
In urls.py I imported "UsuarioViewSet" class from viewsets.
from project.user.api.viewsets import UsuarioViewSet
When I run python manage.py runserver the problem bellow ocurrs
(I also tried only user.api.viewsets... but it says "unresolved reference")
In my settings.py I registered 'user' and 'rest_framework':
INSTALLED_APPS = [
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'rest_framework',
'user',
]
OS: Linux Mint |
IDE: PyCharm (community) |
Virtualenv: venv |
Python: 3.6.6

As far as I know, this kind of thing happens because of migration file __init__.py.
The main reason for this is when you write code and make changes in the migration file and then you remove some part from code for which a migrate file has been already created.
So a solution is just delete __init__.py from migration
and make sure that there is no other import which is removed or changed.

integrate an external app in django taking the code from any folder

I want to install the external app django-disqus in my blog. However, instead of install the module in the system via pip install or python setup.py install, I would like to download the code to a specific folder called libs and then link it to my project.
My folder structure is like this:
-root_folder
-- project (here I have settings.py, urls.py and wsgi.py)
-- blog (here I have models.py, admin.py, urls.py, templatetags/, template/)
-- libs (here I want to add the code of disqus)
If I downloaded the code in libs, how can I link it to INSTALLED_APPS in setting.py?
Note: I run django 1.8

You should be able to register it the same way you'd register any django app.
Make libs a package by adding __init__.py file
Then add it to your settings.INSTALLED_APPS
INSTALLED_APPS = (
...
'libs.disqus',
)

how to import django project from github to local system?

I am new to Django.
I am trying to run a project, that downloaded from github .
I run the setup.py file . that downloaded all requirements .
after that i am stuck because there is no any manage.py file as i read in tutorial ( http://www.tangowithdjango.com/book17/chapters/setup.html) .

That is not a project. It's an app that you need to install in your own project.

you have to install it
pip install django-mongo-auth
docs are here
You should then add mongo_auth and dependency django_browserid to INSTALLED_APPS. Add django_browserid.context_processors.browserid_form to TEMPLATE_CONTEXT_PROCESSORS to conclude django_browserid installation. Add mongo_auth.middleware.LazyUserMiddleware just after django.contrib.auth.middleware.AuthenticationMiddleware in MIDDLEWARE_CLASSES.
Optionally, to use provided templates, you can add mongo_auth.contrib and sekizai to INSTALLED_APPS, and mongo_auth.contrib.context_processors.mongo_auth and sekizai.context_processors.sekizai to TEMPLATE_CONTEXT_PROCESSORS, too.
Afterwards, you configure authentication providers you want to offer:
AUTHENTICATION_BACKENDS = (
'mongo_auth.backends.MongoEngineBackend',
'mongo_auth.backends.FacebookBackend',
'mongo_auth.backends.TwitterBackend',
'mongo_auth.backends.FoursquareBackend',
'mongo_auth.backends.GoogleBackend',
'mongo_auth.backends.BrowserIDBackend',
'mongo_auth.backends.LazyUserBackend',
)
Hope it helps.

Django application database error: No module named

I was trying to connect my database application to project in django. Succeded on connecting psycopg and database. Then I started to build application for it by
python manage.py startapp books
and wrote some code in models.py.
But when I tried to put application in INSTALLED_APPS, it caused on error.
INSTALLED_APPS = (
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.sites',
'django.contrib.messages',
'django.contrib.staticfiles',
'tut1.books',
# Uncomment the next line to enable the admin:
'django.contrib.admin',
# Uncomment the next line to enable admin documentation:
# 'django.contrib.admindocs',
So, I'm in project's folder and type in Command Line:
%>python manage.py syncdb
ImportError: No module named 'tut1.books'
If I remove my app from INSTALLED_APPS, everything goes fine.
I suspect, there gotta be different syntax for linking application.
Tried to change 'tut1.books' to just 'books'. Causes another error.
%>python manage.py syncdb
AttributeError:'module' object has no attribute 'URLFIELD'
Files and folders in project /tut1/
manage.py
views.py
/tut1/
/templates/
/books/
Files in /books/
__init__.py
modules.py
views.py
tests.py
Files in /tut1/tut1/
__init__.py
settings.py
urls.py
views.py
wsgi.py
init.py is empty by default.
Checked PYTHONPATH for this project. Nothing odd...
>>> import sys
>>> for i in sys.path:
print(i)
C:\study\django\tut1
C:\Python33\Lib\idlelib
C:\Python33\lib\site-packages\setuptools-1.1.6-py3.3.egg
C:\Python33\python33.zip
C:\Python33\DLLs
C:\Python33\lib
C:\Python33
C:\Python33\lib\site-packages

It can be a problem with models.py.
You seem to write code as follows.
foo = models.URLFIELD()
"models" module has no URLFIELD().
You should change it to URLField().

You'll need to add an __init__.py file (it can be empty) to the folder tut1.books before python can import it. See this answer: What is __init__.py for?