Django 2.x中urls.py导入views报错：ImportError: cannot import name 'views'

It sounds like you're hitting an import issue that's more strictly enforced in Django 2.x compared to older versions, even though your code looks like a standard implementation. Let's break down the possible causes and fixes:

1. Verify Basic File Structure & Syntax #

First, double-check the fundamentals:

• Make sure there's a views.py file in your scheduler app directory (no typos like view.py).
• Open views.py and confirm there are no syntax errors (missing colons, indentation issues, etc.)—a broken views.py will fail to import entirely.
• Ensure the SchedulerView class is correctly defined in views.py, inheriting from TemplateView:

  from django.views.generic.base import TemplateView
  
  class SchedulerView(TemplateView):
      template_name = "scheduler/your_template.html"  # Update to your actual template path
      # Add your custom logic here
  

2. Check for Circular Imports #

Django 2.x is stricter about circular dependencies than older versions. If your views.py imports anything from the urls.py of the same app (e.g., from . import urls or from scheduler import urls), this creates a circular loop that triggers the ImportError.

Fix:

• Extract shared logic into a separate module (like utils.py) and import from there instead of directly between urls.py and views.py.

3. Adjust Your Import Statement #

Instead of importing the entire views module, try importing the specific view class directly with an absolute import:

from django.urls import path, re_path
from scheduler.views import SchedulerView  # Absolute import of the view class

app_name = 'scheduler'
urlpatterns = [
    re_path(r'^service/(?P<status>\w+)', SchedulerView.as_view(), name='schedule-service')
]

This avoids any ambiguity with relative imports and can bypass issues related to module-level circular dependencies.

4. Use Django 2.x's Preferred Routing Syntax #

While not directly related to the import error, Django 2.x introduced path() with path converters as a cleaner alternative to re_path(). You can rewrite your route like this:

path('service/<str:status>/', SchedulerView.as_view(), name='schedule-service')

Adding the trailing / aligns with Django's URL best practices and prevents unexpected routing behavior.

内容的提问来源于stack exchange，提问作者mkjwa