#23322: CircularDependencyError in migrations
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Reporter: gabejackson | Owner: nobody
Type: Bug | Status: new
Component: Migrations | Version: 1.7-rc-2
Severity: Release | Keywords: migrations, circular dependency
blocker | Has patch: 0
Triage Stage: Unreviewed | UI/UX: 0
Easy pickings: 0 |
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django.db.migrations.graph.CircularDependencyError
Test Project is located here: https://github.com/gabejackson/django-
migration-test/tree/circ_dep_1
Steps to reproduce:
Install stable/1.7.x branch in venv
./manage.py makemigrations
... [OK]
./manage.py migrate
{{{
Traceback (most recent call last):
File "./manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File
"/Users/gabejackson/venv/django-1.7/src/django/django/core/management/__init__.py",
line 385, in execute_from_command_line
utility.execute()
File
"/Users/gabejackson/venv/django-1.7/src/django/django/core/management/__init__.py",
line 377, in execute
self.fetch_command(subcommand).run_from_argv(self.argv)
File
"/Users/gabejackson/venv/django-1.7/src/django/django/core/management/base.py",
line 288, in run_from_argv
self.execute(*args, **options.__dict__)
File
"/Users/gabejackson/venv/django-1.7/src/django/django/core/management/base.py",
line 338, in execute
output = self.handle(*args, **options)
File
"/Users/gabejackson/venv/django-1.7/src/django/django/core/management/commands/migrate.py",
line 106, in handle
plan = executor.migration_plan(targets)
File
"/Users/gabejackson/venv/django-1.7/src/django/django/db/migrations/executor.py",
line 49, in migration_plan
for migration in self.loader.graph.forwards_plan(target):
File
"/Users/gabejackson/venv/django-1.7/src/django/django/db/migrations/graph.py",
line 55, in forwards_plan
return self.dfs(node, lambda x: self.dependencies.get(x, set()))
File
"/Users/gabejackson/venv/django-1.7/src/django/django/db/migrations/graph.py",
line 121, in dfs
return _dfs(start, get_children, [])
File
"/Users/gabejackson/venv/django-1.7/src/django/django/db/migrations/graph.py",
line 113, in _dfs
results = _dfs(n, get_children, path) + results
File
"/Users/gabejackson/venv/django-1.7/src/django/django/db/migrations/graph.py",
line 113, in _dfs
results = _dfs(n, get_children, path) + results
File
"/Users/gabejackson/venv/django-1.7/src/django/django/db/migrations/graph.py",
line 113, in _dfs
results = _dfs(n, get_children, path) + results
File
"/Users/gabejackson/venv/django-1.7/src/django/django/db/migrations/graph.py",
line 113, in _dfs
results = _dfs(n, get_children, path) + results
File
"/Users/gabejackson/venv/django-1.7/src/django/django/db/migrations/graph.py",
line 105, in _dfs
raise CircularDependencyError(path[path.index(start):] + [start])
django.db.migrations.graph.CircularDependencyError: [(u'a',
u'0001_initial'), ('c', u'0001_initial'), (u'b', u'0001_initial'), (u'a',
u'0001_initial')]
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/23322>
Django <https://code.djangoproject.com/>
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