- import turtle
-
- count = 10
- data = []
- words = []
- yScale = 6
- xScale = 30
-
- def drawLine(t, x1, y1, x2, y2):
- t.penup()
- t.goto (x1, y1)
- t.pendown()
- t.goto (x2, y2)
-
- def drawText(t, x, y, text):
- t.penup()
- t.goto (x, y)
- t.pendown()
- t.write(text)
-
- def drawGraph(t):
-
- drawLine (t, 0, 0, 360, 0)
- drawLine (t, 0, 300, 0, 0)
-
-
- for x in range(count):
- x=x+1
- drawText(t, x*xScale-4, -20, (words[x-1]))
- drawText(t, x*xScale-4, data[x-1]*yScale+10, data[x-1])
- drawBar(t)
-
- def drawRectangle(t, x, y):
- x = x*xScale
- y = y*yScale
- drawLine(t, x-5, 0, x-5, y)
- drawLine(t, x-5, y, x+5, y)
- drawLine(t, x+5, y, x+5, 0)
- drawLine(t, x+5, 0, x-5, 0)
-
- def drawBar(t):
- for i in range(count):
- drawRectangle(t, i+1, data[i])
-
-
- def processLine(line, wordCounts):
-
- line = replacePunctuations(line)
-
- words = line.split()
- for word in words:
- if word in wordCounts:
- wordCounts[word] += 1
- else:
- wordCounts[word] = 1
-
- def replacePunctuations(line):
- for ch in line:
- if ch in "~@#$%^&*()_-+=<>?/,.:;{}[]|\‘""":
- line = line.replace(ch, " ")
- return line
-
- def main():
-
- filename = input("enter a filename:").strip()
- infile = open(filename, "r")
-
-
- wordCounts = {}
- for line in infile:
- processLine(line.lower(), wordCounts)
-
-
- pairs = list(wordCounts.items())
-
-
- items = [[x,y]for (y,x)in pairs]
- items.sort()
-
-
- for i in range(len(items)-1, len(items)-count-1, -1):
- print(items[i][1]+"\t"+str(items[i][0]))
- data.append(items[i][0])
- words.append(items[i][1])
-
- infile.close()
-
-
- turtle.title(‘词频结果柱状图‘)
- turtle.setup(900, 750, 0, 0)
- t = turtle.Turtle()
- t.hideturtle()
- t.width(3)
- drawGraph(t)
-
- if __name__ == ‘__main__‘:
- main()
词频统计
原文：http://www.cnblogs.com/sbbg/p/5024466.html
