目前我已经开始研究我为学习目的而提供的 Django 项目。
我已经在我的 virtualenv 中完成了所有必要的设置,并且在我的项目上运行 migrate 命令时,我遇到了如下依赖问题。
我试图在网上和 django doc 中找到解决方案,但一无所知。
追溯
Traceback (most recent call last):
File "manage.py", line 40, in <module>
execute_from_command_line(sys.argv)
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/core/management/__init__.py", line 353, in execute_from_command_line
utility.execute()
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/core/management/__init__.py", line 345, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/core/management/base.py", line 348, in run_from_argv
self.execute(*args, **cmd_options)
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/core/management/base.py", line 399, in execute
output = self.handle(*args, **options)
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/core/management/commands/migrate.py", line 89, in handle
executor = MigrationExecutor(connection, self.migration_progress_callback)
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/db/migrations/executor.py", line 20, in __init__
self.loader = MigrationLoader(self.connection)
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/db/migrations/loader.py", line 49, in __init__
self.build_graph()
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/db/migrations/loader.py", line 306, in build_graph
_reraise_missing_dependency(migration, parent, e)
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/db/migrations/loader.py", line 276, in _reraise_missing_dependency
raise exc
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/db/migrations/loader.py", line 302, in build_graph
self.graph.add_dependency(migration, key, parent)
File "/home/moon/production/remax/remax_env/lib/python3.6/site-packages/django/db/migrations/graph.py", line 126, in add_dependency
parent
django.db.migrations.exceptions.NodeNotFoundError: Migration core.0002_auto_20200408_0215 dependencies reference nonexistent parent node ('filer', '0008_auto_20200408_0215')
迁移文件的片段如下。 0002_auto_20200408_0215.py
class Migration(migrations.Migration):
dependencies = [
('filer', '0008_auto_20200408_0215'),
('sites', '0003_auto_20200408_0215'),
('core', '0001_initial'),
]
我曾想过从 0002_auto_20200408_0215.py 文件中注释依赖行,但我的朋友告诉我它应该可以在不删除任何行的情况下工作。
有人可以指导我做错了什么以及如何解决这个问题。
谢谢。