urls.py

import re

from django.conf import settings
from django.conf.urls import url
from django.conf.urls.static import static
from django.urls import include
from rest_framework.routers import DefaultRouter

from django_base.base_config import views as v_config
from . import views

app_name = 'core'

# 注册所有 DRF 路由

router = DefaultRouter()

routers = []

# 类__dict__：获取类的静态函数，类函数，普通函数，全局变量等一些内置的属性
# items()：返回可遍历的(键，值)元组数组
for v in (views, v_config):
    for key, item in v.__dict__.items():
        # 找到数组里的key是以ViewSet结尾
        if key.endswith('ViewSet'):
            # 将ViewSet替换成''
            name = key.replace('ViewSet', '')
            # 首字符替换成小写
            name = re.sub(r'([A-Z])', '_\\1', name)[1:].lower()

            if name:
                # 如果name设置成功，则添加到routers数组中
                routers.append((name, item))

for name, item in routers:
    # print(name, item)
    # 进行视图集路由注册 register(prefix(视图集的路由前缀),viewset(视图集),base_name(路由名称的前缀))
    router.register(name, item)

# [print(u) for u in router.urls]

# 添加路由数据
urlpatterns = [
    # url(r'^api-auth/', include(rest_framework.urls, namespace='rest_framework')),
    # path(r'admin/', admin.site.urls),
    # path(r'api/', include('urls', namespace='api_admin')),
    url(r'api/', include(router.urls)),
]

if settings.DEBUG:
    urlpatterns += static(settings.STATIC_URL, document_root=settings.STATIC_ROOT)
    urlpatterns += static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)