django.db.migrations.graph.DummyNode

class documentation

class DummyNode(Node): (source)

A node that doesn't correspond to a migration file on disk. (A squashed migration that was removed, for example.) After the migration graph is processed, all dummy nodes should be removed. If there are any left, a nonexistent dependency error is raised.

Method	`__init__`	Undocumented
Method	`raise_error`	Undocumented
Instance Variable	`error_message`	Undocumented
Instance Variable	`origin`	Undocumented

Inherited from Node:

Method	`__eq__`	Undocumented
Method	`__getitem__`	Undocumented
Method	`__hash__`	Undocumented
Method	`__lt__`	Undocumented
Method	`__repr__`	Undocumented
Method	`__str__`	Undocumented
Method	`add_child`	Undocumented
Method	`add_parent`	Undocumented
Instance Variable	`children`	Undocumented
Instance Variable	`key`	Undocumented
Instance Variable	`parents`	Undocumented

def __init__(self, key, origin, error_message): (source) ¶

overrides django.db.migrations.graph.Node.__init__

Undocumented

def raise_error(self): (source) ¶

Undocumented

error_message = (source) ¶

Undocumented

origin = (source) ¶

Undocumented