ImportError: No module named 'main'

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ImportError: No module named 'main'

Артём Орлов

Hello!


Django does not see application created with django-admin startapp main

./DjangoRestfulServer/
├── __init__.py
├── main
│   ├── admin.py
│   ├── apps.py
│   ├── __init__.py
│   ├── models.py
│   ├── __pycache__
│   │   ├── admin.cpython-35.pyc
│   │   ├── __init__.cpython-35.pyc
│   │   ├── models.cpython-35.pyc
│   │   └── views.cpython-35.pyc
│   ├── tests.py
│   ├── urls.py
│   └── views.py
├── __pycache__
│   ├── __init__.cpython-35.pyc
│   ├── models.cpython-35.pyc
│   ├── settings.cpython-35.pyc
│   ├── urls.cpython-35.pyc
│   └── wsgi.cpython-35.pyc
├── settings.py
├── urls.py
└── wsgi.py



settings.py

...
INSTALLED_APPS = [
    ...
    'DjangoRestfulServer',
    'DjangoRestfulServer.main',
]
...

main/urls.py

from django.conf.urls import url, include
from django.urls import include, path, re_path
from . import views

urlpatterns = [
    re_path(r'^facebook/$', views.FacebookLogin.as_view(), name='fb_login'),
]

urls.py

from django.contrib import admin
from django.urls import include, path, re_path

urlpatterns = [
    path('api/v1/admin/', admin.site.urls),
    path('api/v1/accounts/', include('allauth.urls')),
    path('api/v1/', include('main.urls')),  # <- path('api/v1/', include('DjangoRestfulServer.main.urls')) acts the same!!!
]

Traceback is the following:

(env3) artem@artem-inspirion:~/Projects/GoTogether/Server$ python3 manage.py check
Traceback (most recent call last):
  File "manage.py", line 15, in <module>
    execute_from_command_line(sys.argv)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/__init__.py", line 371, in execute_from_command_line
    utility.execute()
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/__init__.py", line 365, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/base.py", line 288, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/base.py", line 335, in execute
    output = self.handle(*args, **options)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/commands/check.py", line 65, in handle
    fail_level=getattr(checks, options['fail_level']),
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/base.py", line 364, in check
    include_deployment_checks=include_deployment_checks,
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/base.py", line 351, in _run_checks
    return checks.run_checks(**kwargs)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/checks/registry.py", line 73, in run_checks
    new_errors = check(app_configs=app_configs)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/checks/urls.py", line 40, in check_url_namespaces_unique
    all_namespaces = _load_all_namespaces(resolver)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/checks/urls.py", line 57, in _load_all_namespaces
    url_patterns = getattr(resolver, 'url_patterns', [])
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/utils/functional.py", line 36, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/urls/resolvers.py", line 536, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/utils/functional.py", line 36, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/urls/resolvers.py", line 529, in urlconf_module
    return import_module(self.urlconf_name)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 673, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "/home/artem/Projects/GoTogether/Server/DjangoRestfulServer/urls.py", line 22, in <module>
    path('api/v1/', include('main.urls')),
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/urls/conf.py", line 34, in include
    urlconf_module = import_module(urlconf_module)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 944, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 956, in _find_and_load_unlocked
ImportError: No module named 'main'

Could you tell why Django does not see 'main' application?

$ uname -a
Linux artem-inspirion 4.9.0-6-amd64 #1 SMP Debian 4.9.82-1+deb9u3 (2018-03-02) x86_64 GNU/Linux

$ python3 --version
Python 3.5.3

$ python3 ./manage.py --version
2.0.4

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Re: ImportError: No module named 'main'

samuel muiruri
try this

INSTALLED_APPS = [
    ...
    #'DjangoRestfulServer', #remove you don't import the main project
    'main', #no need for substanciating an app
]

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Re: ImportError: No module named 'main'

shubham jhandei
In reply to this post by Артём Орлов
Hi,

I agree with Samuel Muiruri, your app definition in settings.py is incorrect.

try this:

INSTALLED_APPS = [ ... #'DjangoRestfulServer', #remove there is no need toimport the main project 'main', #no need for substantiating an app ]

On Friday, April 13, 2018 at 8:04:51 PM UTC+5:30, Артём Орлов wrote:

Hello!


Django does not see application created with django-admin startapp main

./DjangoRestfulServer/
├── __init__.py
├── main
│   ├── admin.py
│   ├── apps.py
│   ├── __init__.py
│   ├── models.py
│   ├── __pycache__
│   │   ├── admin.cpython-35.pyc
│   │   ├── __init__.cpython-35.pyc
│   │   ├── models.cpython-35.pyc
│   │   └── views.cpython-35.pyc
│   ├── tests.py
│   ├── urls.py
│   └── views.py
├── __pycache__
│   ├── __init__.cpython-35.pyc
│   ├── models.cpython-35.pyc
│   ├── settings.cpython-35.pyc
│   ├── urls.cpython-35.pyc
│   └── wsgi.cpython-35.pyc
├── settings.py
├── urls.py
└── wsgi.py



settings.py

...
INSTALLED_APPS = [
    ...
    'DjangoRestfulServer',
    'DjangoRestfulServer.main',
]
...

main/urls.py

from django.conf.urls import url, include
from django.urls import include, path, re_path
from . import views

urlpatterns = [
    re_path(r'^facebook/$', views.FacebookLogin.as_view(), name='fb_login'),
]

urls.py

from django.contrib import admin
from django.urls import include, path, re_path

urlpatterns = [
    path('api/v1/admin/', admin.site.urls),
    path('api/v1/accounts/', include('allauth.urls')),
    path('api/v1/', include('main.urls')),  # <- path('api/v1/', include('DjangoRestfulServer.main.urls')) acts the same!!!
]

Traceback is the following:

(env3) artem@artem-inspirion:~/Projects/GoTogether/Server$ python3 manage.py check
Traceback (most recent call last):
  File "manage.py", line 15, in <module>
    execute_from_command_line(sys.argv)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/__init__.py", line 371, in execute_from_command_line
    utility.execute()
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/__init__.py", line 365, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/base.py", line 288, in run_from_argv
    self.execute(*args, **cmd_options)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/base.py", line 335, in execute
    output = self.handle(*args, **options)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/commands/check.py", line 65, in handle
    fail_level=getattr(checks, options['fail_level']),
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/base.py", line 364, in check
    include_deployment_checks=include_deployment_checks,
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/management/base.py", line 351, in _run_checks
    return checks.run_checks(**kwargs)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/checks/registry.py", line 73, in run_checks
    new_errors = check(app_configs=app_configs)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/checks/urls.py", line 40, in check_url_namespaces_unique
    all_namespaces = _load_all_namespaces(resolver)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/core/checks/urls.py", line 57, in _load_all_namespaces
    url_patterns = getattr(resolver, 'url_patterns', [])
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/utils/functional.py", line 36, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/urls/resolvers.py", line 536, in url_patterns
    patterns = getattr(self.urlconf_module, "urlpatterns", self.urlconf_module)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/utils/functional.py", line 36, in __get__
    res = instance.__dict__[self.name] = self.func(instance)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/urls/resolvers.py", line 529, in urlconf_module
    return import_module(self.urlconf_name)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 673, in exec_module
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "/home/artem/Projects/GoTogether/Server/DjangoRestfulServer/urls.py", line 22, in <module>
    path('api/v1/', include('main.urls')),
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/site-packages/django/urls/conf.py", line 34, in include
    urlconf_module = import_module(urlconf_module)
  File "/home/artem/Projects/GoTogether/Server/env3/lib/python3.5/importlib/__init__.py", line 126, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 944, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 986, in _gcd_import
  File "<frozen importlib._bootstrap>", line 969, in _find_and_load
  File "<frozen importlib._bootstrap>", line 956, in _find_and_load_unlocked
ImportError: No module named 'main'

Could you tell why Django does not see 'main' application?

$ uname -a
Linux artem-inspirion 4.9.0-6-amd64 #1 SMP Debian 4.9.82-1+deb9u3 (2018-03-02) x86_64 GNU/Linux

$ python3 --version
Python 3.5.3

$ python3 ./manage.py --version
2.0.4

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To unsubscribe from this group and stop receiving emails from it, send an email to [hidden email].
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