[英]Why does this character ▯ appear?
因此,当我运行代码时会出现这个字符this,我认为这意味着缺少一个字符,因此无法显示。 (如果我错了,请不要纠正我)基本上,我希望能够摆脱这个角色。 这是我运行代码时的样子:
但是,在空闲的后端中,当我单击其中一个框以使其在顶部显示时,它没有注册,并且在空闲中看起来像这样:
如果它不会闲置显示,为什么会出现在屏幕上? 另外,如何摆脱主屏幕上的▯字符?
我认为这是问题所在。 (但是我无法解决问题)
我的树比较类可查找句子及其频繁使用:
class Branch():
def __init__(self, value):
self.left = None
self.right = None
self.value = value
self.frequency = 1
def incFreq(self):
self.frequency = self.frequency + 1
def freq(self):
return self.frequency
class Tree():
highest = []
def __init__(self):
self.root = None
self.found = False
def findHighest(self):
from operator import itemgetter, attrgetter
self.highest = []
self.inorder(self.root)
self.highest = sorted(self.highest, key=itemgetter(1), reverse=True)
return self.highest
#lessThan function needed to compare strings
def lessThan(self, a, b):
if len(a) < len(b):
loopCount = len(a)
else:
loopCount = len(b)
for pos in range(0, loopCount):
if a[pos] > b[pos]:
return False
return True
def outputTree(self):
self.inorder(self.root)
def insert(self, value):
#increment freq if already exists, else insert
if not self.exists(value):
self.root = self.insertAtBranch(self.root, value)
def exists(self, value):
#set the class variable found to False to assume it is not there
self.found = False
self.findAtBranch(self.root, value)
return self.found
#Used to fine a value in a tree
def findAtBranch(self, branch, value):
if branch == None:
pass
else:
#print ("[" + branch.value + "][" + value + "]") # Error checking
if branch.value == value:
self.found = True
#print("found " + value)
branch.incFreq()
#print(branch.freq())
else:
self.findAtBranch(branch.left, value)
self.findAtBranch(branch.right, value)
def insertAtBranch(self, branch, value):
if branch == None:
return Branch(value)
else:
if self.lessThan(branch.value, value):
branch.right = self.insertAtBranch(branch.right, value)
else:
branch.left = self.insertAtBranch(branch.left, value)
return branch
def inorder(self, branch):
if branch == None: return
self.highest.append((branch.value, branch.freq()))
#print (branch.value)
#print (branch.freq())
#print(self.highest[0])
self.inorder(branch.left)
self.inorder(branch.right)
这是我使用树并传递要在其他函数上使用的句子的地方:
def getPhrases(self, numToReturn):
topPhrases = []
phrasesTree = Tree()
#load tree with phrases from phrase text file
file = open('setPhrases.txt', 'r')
for line in file:
phrasesTree.insert(line)
#create a list of the top n of phrases to return
val = 0
for phrase in phrasesTree.findHighest():
if val < numToReturn:
topPhrases.append(phrase)
val = val + 1
return topPhrases
我在这里使用这些句子在屏幕上显示它们:
def createPhrases(self):
print("createPhrases")
self.deletePanes()
self.show_keyboard = False
self.show_words = False
self.show_phrases = True
self.show_terminal = True
words = self.getPhrases(10)
for word, count in words:
self.addPane("{}".format(word, count), WORDS)
self.addPane("Boxes", PHRASE)
self.addPane("Keyboard", PHRASE)
self.addPane("OK", PHRASE)
self.drawPanes()
从文件中读取行时,换行符在末尾。 pygame的文档指出:
文本只能是一行:不显示换行符。
因此,您应该更改此片段:
file = open('setPhrases.txt', 'r')
for line in file:
phrasesTree.insert(line)
对此:
file = open('setPhrases.txt', 'r')
for line in file:
phrasesTree.insert(line.strip())
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