本文整理汇总了Python中south.migration.Migrations.calculate_dependencies方法的典型用法代码示例。如果您正苦于以下问题：Python Migrations.calculate_dependencies方法的具体用法？Python Migrations.calculate_dependencies怎么用？Python Migrations.calculate_dependencies使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类south.migration.Migrations的用法示例。
在下文中一共展示了Migrations.calculate_dependencies方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: handle
# 需要导入模块: from south.migration import Migrations [as 别名]
# 或者: from south.migration.Migrations import calculate_dependencies [as 别名]
def handle(self, **options):
# Resolve dependencies
Migrations.calculate_dependencies()
colors = [ 'crimson', 'darkgreen', 'darkgoldenrod', 'navy',
'brown', 'darkorange', 'aquamarine' , 'blueviolet' ]
color_index = 0
wrapper = textwrap.TextWrapper(width=40)
print("digraph G {")
# Group each app in a subgraph
for migrations in all_migrations():
print(" subgraph %s {" % migrations.app_label())
print(" node [color=%s];" % colors[color_index])
for migration in migrations:
# Munge the label - text wrap and change _ to spaces
label = "%s - %s" % (
migration.app_label(), migration.name())
label = re.sub(r"_+", " ", label)
label= "\\n".join(wrapper.wrap(label))
print(' "%s.%s" [label="%s"];' % (
migration.app_label(), migration.name(), label))
print(" }")
color_index = (color_index + 1) % len(colors)
# For every migration, print its links.
for migrations in all_migrations():
for migration in migrations:
for other in migration.dependencies:
# Added weight tends to keep migrations from the same app
# in vertical alignment
attrs = "[weight=2.0]"
# But the more interesting edges are those between apps
if other.app_label() != migration.app_label():
attrs = "[style=bold]"
print(' "%s.%s" -> "%s.%s" %s;' % (
other.app_label(), other.name(),
migration.app_label(), migration.name(),
attrs
))
print("}");示例2: handle
# 需要导入模块: from south.migration import Migrations [as 别名]
# 或者: from south.migration.Migrations import calculate_dependencies [as 别名]
def handle(self, **options):
# Resolve dependencies
Migrations.calculate_dependencies()
print "digraph G {"
# Print each app in a cluster
#for migrations in all_migrations():
# print " subgraph %s {" % migrations.app_label()
# # Nodes inside here are linked
# print (" -> ".join(['"%s.%s"' % (migration.app_label(), migration.name()) for migration in migrations])) + ";"
# print " }"
# For every migration, print its links.
for migrations in all_migrations():
for migration in migrations:
for other in migration.dependencies:
print '"%s.%s" -> "%s.%s"' % (
other.app_label(), other.name(),
migration.app_label(), migration.name(),
)
print "}";