本文整理匯總了Python中graphviz.Graph.pipe方法的典型用法代碼示例。如果您正苦於以下問題：Python Graph.pipe方法的具體用法？Python Graph.pipe怎麽用？Python Graph.pipe使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類graphviz.Graph的用法示例。
在下文中一共展示了Graph.pipe方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: Draw
# 需要導入模塊: from graphviz import Graph [as 別名]
# 或者: from graphviz.Graph import pipe [as 別名]
class Draw(Toplevel):
"draw the tree to picture"
def __init__(self, parent):
"""
@ brief
initializa the Draw class
@ params
self -- new instance
"""
super(Draw, self).__init__(parent)
self.transient(parent)
self.title("current view")
self.grab_set()
def initDot(self):
"init the pane"
self.__dot = Graph()
self.__dot.format = "gif"
self.__dot.filename = "instance"
self.__dot.attr('node', shape="circle")
def setSource(self, source, with_label):
"set the source text"
self.node_suffix = 0
self.__tree = ast.literal_eval(source)
if with_label:
self.draw = self.__drawHasLabel
else:
self.draw = self.__drawNoLabel
def getTree(self):
"return the tree"
return self.__tree
def __drawNoLabel(self, tree, root="tree"):
"draw the tree without label on edge"
self.__dot.body.extend(["rank=same", "rankdir=TD"])
for key in tree.keys():
self.__dot.edge(root, key)
if type(tree[key]) is dict:
self.__drawNoLabel(tree[key], str(key))
else:
node_name = str(key) + str(self.node_suffix)
self.__dot.node(node_name, str(tree[key]))
self.__dot.edge(str(key), node_name)
self.node_suffix += 1
return self.__dot.pipe(format="gif")
def __drawHasLabel(self, tree):
"draw the tree with label on edge"
self.__dot.body.extend(["rank=same", "rankdir=TD"])
for key in tree.keys():
if type(tree[key]) is dict:
for key_ in tree[key]:
if type(tree[key][key_]) is dict:
child = next(iter(tree[key][key_].keys()))
self.__dot.edge(key, child, str(key_))
self.__drawHasLabel(tree[key][key_])
else:
node_name = str(key) + str(self.node_suffix)
self.__dot.node(node_name, tree[key][key_])
self.__dot.edge(key, node_name, str(key_))
self.node_suffix += 1
return self.__dot.pipe(format="gif")
def show(self):
"show the image"
tree = self.getTree()
image = self.draw(tree)
if image is not None:
label_image = PhotoImage(data=base64.b64encode(image))
image_label = Label(self, image=label_image)
image_label.photo = label_image
else:
image_label = Label(self, text="no image view")
image_label.pack()
self.wait_window(self)