本文整理汇总了Python中models.Branch.trunk方法的典型用法代码示例。如果您正苦于以下问题：Python Branch.trunk方法的具体用法？Python Branch.trunk怎么用？Python Branch.trunk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models.Branch的用法示例。
在下文中一共展示了Branch.trunk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: index
# 需要导入模块: from models import Branch [as 别名]
# 或者: from models.Branch import trunk [as 别名]
def index(request):
if request.method != 'POST':
return render(request, 'index.html')
else:
if request.is_ajax():
if request.POST.get('userName'):
user_name=request.POST.get('userName')
user=User.objects.get(user_name=user_name)
else:
user=None
if request.POST.get("mode") == "grow":
parent = request.POST.get('parent')
child = request.POST.get('child')
# case 1: parent already trunk -- create branch from child
try:
trunk = Trunk.objects.get(text=parent)
drawing = trunk.drawing
if trunk:
try:
branch = Branch.objects.get(text=child)
data = {"already" : True,
"parent" : parent,
"child" : child
}
return JsonResponse(data)
except Branch.DoesNotExist:
branch = Branch(text=child, trunk=trunk)
branch.save()
branch.get_tips()
data = drawing.get_data()
if trunk.branch_set.count() > 1:
data["tree?"] = trunk.text
branch.stage = "filled"
branch.save()
return JsonResponse(data)
# display message saying that this combo already exists.
except Trunk.DoesNotExist:
# case 2: parent already branch -- create twig from child
print("trying case 2")
try:
branch = Branch.objects.get(text=parent)
drawing = branch.trunk.drawing
if branch:
try:
twig = Twig.objects.get(text=child)
data = {"already" : True,
"parent" : parent,
"child" : child
}
return JsonResponse(data)
except Twig.DoesNotExist:
twig = Twig(text=child, branch=branch)
twig.save()
twig.get_tips()
data = drawing.get_data()
if branch.trunk.branch_set.count() > 1:
data["tree?"] = branch.trunk.text
twig.stage = "filled"
twig.save()
return JsonResponse(data)
except Branch.DoesNotExist:
# case 3: parent already twig -- create leaf from child
print("trying case 3")
try:
twig = Twig.objects.get(text=parent)
drawing = twig.branch.trunk.drawing
if twig:
try:
leaf = Leaf.objects.get(text=child)
leaf.twigs.add(twig)
leaf.save()
leaf.get_tips(parent)
data = drawing.get_data()
return JsonResponse(data)
except Leaf.DoesNotExist:
leaf = Leaf(text=child)
leaf.save()
leaf.twigs.add(twig)
leaf.save()
leaf.get_tips(parent)
data = drawing.get_data()
if twig.branch.trunk.branch_set.count() > 1:
data["tree?"] = twig.branch.trunk.text
leaf.stage = "filled"
leaf.save()
return JsonResponse(data)
except Twig.DoesNotExist:
# case 4: neither child nor parent saved to tree --
# create branch from child and trunk from parent
print("trying case 4")
trunk = Trunk.objects.create(text=parent)
branch = Branch.objects.create(text=child)
branch.get_tips()
branch.trunk = trunk
#.........这里部分代码省略.........