我正在做一个项目,当我尝试在 django 中迁移时,错误显示为:
Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 354, in execute_from_command_line
utility.execute()
File "/usr/local/lib/python2.7/dist-packages/django/core/management/__init__.py", line 346, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 394, in run_from_argv
self.execute(*args, **cmd_options)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/base.py", line 445, in execute
output = self.handle(*args, **options)
File "/usr/local/lib/python2.7/dist-packages/django/core/management/commands/makemigrations.py", line 63, in handle
loader = MigrationLoader(None, ignore_no_migrations=True)
File "/usr/local/lib/python2.7/dist-packages/django/db/migrations/loader.py", line 47, in __init__
self.build_graph()
File "/usr/local/lib/python2.7/dist-packages/django/db/migrations/loader.py", line 321, in build_graph
_reraise_missing_dependency(migration, parent, e)
File "/usr/local/lib/python2.7/dist-packages/django/db/migrations/loader.py", line 291, in _reraise_missing_dependency
raise exc
django.db.migrations.graph.NodeNotFoundError: Migration reviews.0001_initial dependencies reference nonexistent parent node (u'catalogue', u'0001_initial')
我明白这个问题,但我无法解决它。
我删除了所有 .pyc
文件和迁移文件夹。
我也删除了数据库,但这个问题仍然存在。 我怎样才能摆脱这个错误。 提前致谢。
最佳答案
从应用程序中删除迁移文件夹,同时删除数据库并重新创建数据库。然后尝试:
- 1) python manage.py makemigrations
- 2) python manage.py 迁移
关于python - 在 Django 中迁移时依赖项引用不存在的父节点错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/40992969/