本文整理汇总了Python中wagtail.core.models.Page.fix_tree方法的典型用法代码示例。如果您正苦于以下问题：Python Page.fix_tree方法的具体用法？Python Page.fix_tree怎么用？Python Page.fix_tree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wagtail.core.models.Page的用法示例。
在下文中一共展示了Page.fix_tree方法的1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 wagtail.core.models import Page [as 别名]
# 或者: from wagtail.core.models.Page import fix_tree [as 别名]
def handle(self, **options):
any_problems_fixed = False
for page in Page.objects.all():
try:
page.specific
except page.specific_class.DoesNotExist:
self.stdout.write("Page %d (%s) is missing a subclass record; deleting." % (page.id, page.title))
any_problems_fixed = True
page.delete()
(bad_alpha, bad_path, orphans, bad_depth, bad_numchild) = Page.find_problems()
if bad_depth:
self.stdout.write("Incorrect depth value found for pages: %s" % self.numberlist_to_string(bad_depth))
if bad_numchild:
self.stdout.write("Incorrect numchild value found for pages: %s" % self.numberlist_to_string(bad_numchild))
if bad_depth or bad_numchild:
Page.fix_tree(destructive=False)
any_problems_fixed = True
if orphans:
# The 'orphans' list as returned by treebeard only includes pages that are
# missing an immediate parent; descendants of orphans are not included.
# Deleting only the *actual* orphans is a bit silly (since it'll just create
# more orphans), so generate a queryset that contains descendants as well.
orphan_paths = Page.objects.filter(id__in=orphans).values_list('path', flat=True)
filter_conditions = []
for path in orphan_paths:
filter_conditions.append(Q(path__startswith=path))
# combine filter_conditions into a single ORed condition
final_filter = functools.reduce(operator.or_, filter_conditions)
# build a queryset of all pages to be removed; this must be a vanilla Django
# queryset rather than a treebeard MP_NodeQuerySet, so that we bypass treebeard's
# custom delete() logic that would trip up on the very same corruption that we're
# trying to fix here.
pages_to_delete = models.query.QuerySet(Page).filter(final_filter)
self.stdout.write("Orphaned pages found:")
for page in pages_to_delete:
self.stdout.write("ID %d: %s" % (page.id, page.title))
self.stdout.write('')
if options.get('interactive', True):
yes_or_no = input("Delete these pages? [y/N] ")
delete_orphans = yes_or_no.lower().startswith('y')
self.stdout.write('')
else:
# Running tests, check for the "delete_orphans" option
delete_orphans = options.get('delete_orphans', False)
if delete_orphans:
deletion_count = len(pages_to_delete)
pages_to_delete.delete()
self.stdout.write(
"%d orphaned page%s deleted." % (deletion_count, "s" if deletion_count != 1 else "")
)
any_problems_fixed = True
if any_problems_fixed:
# re-run find_problems to see if any new ones have surfaced
(bad_alpha, bad_path, orphans, bad_depth, bad_numchild) = Page.find_problems()
if any((bad_alpha, bad_path, orphans, bad_depth, bad_numchild)):
self.stdout.write("Remaining problems (cannot fix automatically):")
if bad_alpha:
self.stdout.write(
"Invalid characters found in path for pages: %s" % self.numberlist_to_string(bad_alpha)
)
if bad_path:
self.stdout.write("Invalid path length found for pages: %s" % self.numberlist_to_string(bad_path))
if orphans:
self.stdout.write("Orphaned pages found: %s" % self.numberlist_to_string(orphans))
if bad_depth:
self.stdout.write("Incorrect depth value found for pages: %s" % self.numberlist_to_string(bad_depth))
if bad_numchild:
self.stdout.write(
"Incorrect numchild value found for pages: %s" % self.numberlist_to_string(bad_numchild)
)
elif any_problems_fixed:
self.stdout.write("All problems fixed.")
else:
self.stdout.write("No problems found.")