我怎么能看到当前的urlpatterns“反向”正在寻找?
我在一个视图中调用了逆向,我认为这个论证应该成立,但实际上并不成立。有什么办法能让我知道为什么我的图案没有?
我怎么能看到当前的urlpatterns“反向”正在寻找?
我在一个视图中调用了逆向,我认为这个论证应该成立,但实际上并不成立。有什么办法能让我知道为什么我的图案没有?
当前回答
from django.urls.resolvers import RegexPattern,RoutePattern
from your_main_app import urls
def get_urls():
url_list = []
for url in urls.urlpatterns:
url_list.append(url.pattern._regex) if isinstance(url.pattern, RegexPattern) else url_list.append(url.pattern._route)
return url_list
这里your_main_app是放置settings.py文件的应用程序名称
其他回答
如果你正在使用DRF,你可以通过从router.get_urls()(在你的Django应用的urls.py文件中)打印特定路由器的urlpatterns来打印所有的URL模式。
打开你的apps urls.py,并在文件底部添加打印语句,这样整个文件看起来就像这样:
import pprint
from django.urls import include, path
from rest_framework import routers
from . import views
router = routers.DefaultRouter()
router.register(r"users", views.UserViewSet, basename="User")
router.register(r"auth", views.AuthenticationView, basename="Auth")
router.register(r"dummy", views.DummyViewSet, basename="Dummy")
router.register("surveys", views.SurveyViewSet, basename="survey")
urlpatterns = [
path("", include(router.urls)),
]
pprint.pprint(router.get_urls())
然后,这些图案会像这样打印出来:
[<URLPattern '^users/$' [name='User-list']>,
<URLPattern '^users\.(?P<format>[a-z0-9]+)/?$' [name='User-list']>,
<URLPattern '^users/admins/$' [name='User-admins']>,
<URLPattern '^users/admins\.(?P<format>[a-z0-9]+)/?$' [name='User-admins']>,
<URLPattern '^users/current/$' [name='User-current']>,
<URLPattern '^users/current\.(?P<format>[a-z0-9]+)/?$' [name='User-current']>,
<URLPattern '^users/(?P<pk>[^/.]+)/$' [name='User-detail']>,
<URLPattern '^users/(?P<pk>[^/.]+)\.(?P<format>[a-z0-9]+)/?$' [name='User-detail']>,
<URLPattern '^auth/login/$' [name='Auth-login']>,
...
]
有一个我使用的插件:https://github.com/django-extensions/django-extensions,它有一个show_urls命令可以帮助。
我正在使用下面的命令:
(Python3 + Django 1.10)
from django.core.management import BaseCommand
from django.conf.urls import RegexURLPattern, RegexURLResolver
from django.core import urlresolvers
class Command(BaseCommand):
def add_arguments(self, parser):
pass
def handle(self, *args, **kwargs):
urls = urlresolvers.get_resolver()
all_urls = list()
def func_for_sorting(i):
if i.name is None:
i.name = ''
return i.name
def show_urls(urls):
for url in urls.url_patterns:
if isinstance(url, RegexURLResolver):
show_urls(url)
elif isinstance(url, RegexURLPattern):
all_urls.append(url)
show_urls(urls)
all_urls.sort(key=func_for_sorting, reverse=False)
print('-' * 100)
for url in all_urls:
print('| {0.regex.pattern:20} | {0.name:20} | {0.lookup_str:20} | {0.default_args} |'.format(url))
print('-' * 100)
用法:
./manage.py showurls
样例输出:
----------------------------------------------------------------------------------------------------
| ^(.+)/$ | | django.views.generic.base.RedirectView | {} |
| ^(.+)/$ | | django.views.generic.base.RedirectView | {} |
| ^(.+)/$ | | django.views.generic.base.RedirectView | {} |
| ^(.+)/$ | | django.views.generic.base.RedirectView | {} |
| ^(.+)/$ | | django.views.generic.base.RedirectView | {} |
| ^(.+)/$ | | django.views.generic.base.RedirectView | {} |
| ^static\/(?P<path>.*)$ | | django.contrib.staticfiles.views.serve | {} |
| ^media\/(?P<path>.*)$ | | django.views.static.serve | {'document_root': '/home/wlysenko/.virtualenvs/programmerHelper/project/media'} |
| ^(?P<app_label>polls|snippets|questions)/$ | app_list | apps.core.admin.AdminSite.app_index | {} |
| ^(?P<app_label>activity|articles|badges|books|comments|flavours|forum|marks|newsletters|notifications|opinions|polls|questions|replies|snippets|solutions|tags|testing|users|utilities|visits)/reports/$ | app_reports | apps.core.admin.AdminSite.reports_view | {} |
| ^(?P<app_label>activity|articles|badges|books|comments|flavours|forum|marks|newsletters|notifications|opinions|polls|questions|replies|snippets|solutions|tags|testing|users|utilities|visits)/statistics/$ | app_statistics | apps.core.admin.AdminSite.statistics_view | {} |
| articles/(?P<slug>[-\w]+)/$ | article | apps.articles.views.ArticleDetailView | {} |
| book/(?P<slug>[-_\w]+)/$ | book | apps.books.views.BookDetailView | {} |
| category/(?P<slug>[-_\w]+)/$ | category | apps.utilities.views.CategoryDetailView | {} |
| create/$ | create | apps.users.views.UserDetailView | {} |
| delete/$ | delete | apps.users.views.UserDetailView | {} |
| detail/(?P<email>\w+@[-_\w]+.\w+)/$ | detail | apps.users.views.UserDetailView | {} |
| snippet/(?P<slug>[-_\w]+)/$ | detail | apps.snippets.views.SnippetDetailView | {} |
| (?P<contenttype_model_pk>\d+)/(?P<pks_separated_commas>[-,\w]*)/$ | export | apps.export_import_models.views.ExportTemplateView | {} |
| download_preview/$ | export_preview_download | apps.export_import_models.views.ExportPreviewDownloadView | {} |
| ^$ | import | apps.export_import_models.views.ImportTemplateView | {} |
| result/$ | import_result | apps.export_import_models.views.ImportResultTemplateView | {} |
| ^$ | index | django.contrib.admin.sites.AdminSite.index | {} |
| ^$ | index | apps.core.views.IndexView | {} |
| ^jsi18n/$ | javascript-catalog | django.views.i18n.javascript_catalog | {'packages': ('your.app.package',)} |
| ^jsi18n/$ | jsi18n | django.contrib.admin.sites.AdminSite.i18n_javascript | {} |
| level/(?P<slug>[-_\w]+)/$ | level | apps.users.views.UserDetailView | {} |
| ^login/$ | login | django.contrib.admin.sites.AdminSite.login | {} |
| ^logout/$ | logout | django.contrib.admin.sites.AdminSite.logout | {} |
| newsletter/(?P<slug>[_\w]+)/$ | newsletter | apps.newsletters.views.NewsletterDetailView | {} |
| newsletters/$ | newsletters | apps.newsletters.views.NewslettersListView | {} |
| notification/(?P<account_email>[-\w]+@[-\w]+.\w+)/$ | notification | apps.notifications.views.NotificationDetailView | {} |
| ^password_change/$ | password_change | django.contrib.admin.sites.AdminSite.password_change | {} |
| ^password_change/done/$ | password_change_done | django.contrib.admin.sites.AdminSite.password_change_done | {} |
| ^image/(?P<height>\d+)x(?P<width>\d+)/$ | placeholder | apps.core.views.PlaceholderView | {} |
| poll/(?P<pk>\w{8}-\w{4}-\w{4}-\w{4}-\w{12})/(?P<slug>[-\w]+)/$ | poll | apps.polls.views.PollDetailView | {} |
| ^add/$ | polls_choice_add | django.contrib.admin.options.ModelAdmin.add_view | {} |
| ^(.+)/change/$ | polls_choice_change | django.contrib.admin.options.ModelAdmin.change_view | {} |
| ^$ | polls_choice_changelist | django.contrib.admin.options.ModelAdmin.changelist_view | {} |
| ^(.+)/delete/$ | polls_choice_delete | django.contrib.admin.options.ModelAdmin.delete_view | {} |
| ^(.+)/history/$ | polls_choice_history | django.contrib.admin.options.ModelAdmin.history_view | {} |
| ^add/$ | polls_poll_add | django.contrib.admin.options.ModelAdmin.add_view | {} |
| ^(.+)/change/$ | polls_poll_change | django.contrib.admin.options.ModelAdmin.change_view | {} |
| ^$ | polls_poll_changelist | django.contrib.admin.options.ModelAdmin.changelist_view | {} |
| ^(.+)/delete/$ | polls_poll_delete | django.contrib.admin.options.ModelAdmin.delete_view | {} |
| ^(.+)/history/$ | polls_poll_history | django.contrib.admin.options.ModelAdmin.history_view | {} |
| ^$ | polls_vote_changelist | django.contrib.admin.options.ModelAdmin.changelist_view | {} |
| publisher/(?P<slug>[-_\w]+)/$ | publisher | apps.books.views.PublisherDetailView | {} |
| question/(?P<slug>[-_\w]+)/$ | question | apps.questions.views.QuestionDetailView | {} |
| ^add/$ | questions_answer_add | django.contrib.admin.options.ModelAdmin.add_view | {} |
| ^(.+)/change/$ | questions_answer_change | django.contrib.admin.options.ModelAdmin.change_view | {} |
| ^$ | questions_answer_changelist | django.contrib.admin.options.ModelAdmin.changelist_view | {} |
| ^(.+)/delete/$ | questions_answer_delete | django.contrib.admin.options.ModelAdmin.delete_view | {} |
| ^(.+)/history/$ | questions_answer_history | django.contrib.admin.options.ModelAdmin.history_view | {} |
| ^add/$ | questions_question_add | django.contrib.admin.options.ModelAdmin.add_view | {} |
| ^(.+)/change/$ | questions_question_change | django.contrib.admin.options.ModelAdmin.change_view | {} |
| ^$ | questions_question_changelist | django.contrib.admin.options.ModelAdmin.changelist_view | {} |
| ^(.+)/delete/$ | questions_question_delete | django.contrib.admin.options.ModelAdmin.delete_view | {} |
| ^(.+)/history/$ | questions_question_history | django.contrib.admin.options.ModelAdmin.history_view | {} |
| ^setlang/$ | set_language | django.views.i18n.set_language | {} |
| ^add/$ | snippets_snippet_add | django.contrib.admin.options.ModelAdmin.add_view | {} |
| ^(.+)/change/$ | snippets_snippet_change | django.contrib.admin.options.ModelAdmin.change_view | {} |
| ^$ | snippets_snippet_changelist | django.contrib.admin.options.ModelAdmin.changelist_view | {} |
| ^(.+)/delete/$ | snippets_snippet_delete | django.contrib.admin.options.ModelAdmin.delete_view | {} |
| ^(.+)/history/$ | snippets_snippet_history | django.contrib.admin.options.ModelAdmin.history_view | {} |
| solution/(?P<pk>\w{8}-\w{4}-\w{4}-\w{4}-\w{12})/(?P<slug>[-_\w]+)/$ | solution | apps.solutions.views.SolutionDetailView | {} |
| suit/(?P<slug>[-\w]+)/$ | suit | apps.testing.views.SuitDetailView | {} |
| tag/(?P<name>[-_\w]+)/$ | tag | apps.tags.views.TagDetailView | {} |
| theme/(?P<slug>[-_\w]+)/$ | theme | apps.forum.views.SectionDetailView | {} |
| topic/(?P<slug>[-_\w]+)/$ | topic | apps.forum.views.TopicDetailView | {} |
| update/$ | update | apps.users.views.UserDetailView | {} |
| ^r/(?P<content_type_id>\d+)/(?P<object_id>.+)/$ | view_on_site | django.contrib.contenttypes.views.shortcut | {} |
| writer/(?P<slug>[-_\w]+)/$ | writer | apps.books.views.WriterDetailView | {} |
----------------------------------------------------------------------------------------------------
你可以创建一个动态导入来收集项目中每个应用程序的所有URL模式,简单的方法如下:
def get_url_patterns():
import importlib
from django.apps import apps
list_of_all_url_patterns = list()
for name, app in apps.app_configs.items():
# you have a directory structure where you should be able to build the correct path
# my example shows that apps.[app_name].urls is where to look
mod_to_import = f'apps.{name}.urls'
try:
urls = getattr(importlib.import_module(mod_to_import), "urlpatterns")
list_of_all_url_patterns.extend(urls)
except ImportError as ex:
# is an app without urls
pass
return list_of_all_url_patterns
List_of_all_url_patterns = get_url_patterns()
我最近使用类似的方法创建了一个模板标记来显示活动导航链接。
Django 1.8, Python 2.7+ 只需在Shell中运行这些命令。Python manage.py shell并执行以下代码。
from django.conf.urls import RegexURLPattern, RegexURLResolver
from django.core import urlresolvers
urls = urlresolvers.get_resolver(None)
def if_none(value):
if value:
return value
return ''
def print_urls(urls, parent_pattern=None):
for url in urls.url_patterns:
if isinstance(url, RegexURLResolver):
print_urls(url, if_none(parent_pattern) + url.regex.pattern)
elif isinstance(url, RegexURLPattern):
print(if_none(parent_pattern) + url.regex.pattern)
print_urls(urls)