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WordCloud.py
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WordCloud.py
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import os
import re
import sys
import time
import jieba
import requests
from random import randint
from MainWindow import Ui_MainWindow
from ConfigWidget import Ui_Config
from wordcloud import WordCloud
from collections import Counter
from PIL import Image
import numpy as np
from threading import Thread
from PyQt5.QtWidgets import QApplication, QWidget, QFileDialog, QMessageBox, QTableWidgetItem, \
QHBoxLayout, QGraphicsProxyWidget, QVBoxLayout, QLabel, QGraphicsLineItem
from PyQt5.QtCore import QThread, pyqtSignal, Qt, QFile, QTextCodec, QTextStream, QIODevice, \
QFile, pyqtSignal, QPointF, QPoint, QRectF
from PyQt5.QtGui import QIcon, QMovie, QPixmap, QPainter, QPen
from PyQt5.QtChart import QChartView, QChart, QBarSeries, QBarSet, QBarCategoryAxis
import source_rc
class MainWindow(QWidget, Ui_MainWindow):
margin = 5
width = 4000
height = 3000
random_state = 60
draw_chart = pyqtSignal(list)
set_item = pyqtSignal(int, tuple)
def __init__(self,parent = None):
super(MainWindow, self).__init__(parent)
self.setupUi(self)
self.resize(1800, 1300)
self.setAcceptDrops(True)
self.setWindowIcon(QIcon(':/source/wordcloud.ico'))
self.pic_show.setStyleSheet("border-image: url(:/source/cloud.png)")
layout = QHBoxLayout()
layout.setContentsMargins(0, 0, 0, 0)
self.chart_view = ChartView()
layout.addWidget(self.chart_view)
self.chart_widget.setLayout(layout)
self.config_widget = ConfigWidget()
self.load_text.clicked.connect(self.load_file)
self.make_cloud.clicked.connect(self.create_pic)
self.make_cloud.clicked.connect(self.analyse_thread)
self.save_pic.clicked.connect(self.save_picture)
self.change_setting.clicked.connect(self.config_widget.show)
self.draw_chart.connect(self.chart_view.initChart)
self.set_item.connect(self.set_table_item)
if os.path.exists('./wordcloud'):
pass
else:
os.mkdir('./wordcloud')
if os.path.exists('./source'):
pass
else:
os.mkdir('./source')
def analyse_thread(self):
self.text_thread = Thread(target=self.analyse_text)
self.text_thread.start()
def analyse_text(self):
result = []
remove_words = [u'的', u',',u'和', u'是', u'随着', u'对于',u'对',u'等',u'能',u'都',u'。',
u' ',u'、',u'中',u'在',u'了',u'通常',u'如果',u'我们',u'需要', u'\n', u'我', u'你', u'她',
u'他', u'也', u'?', u'又', u'人', u'\u3000', u'“', u'”', u'去', u'与', u'不', u':',
u'将', u'!', u'还', u'说', u'着', u'有', u'再', u'来', u'想', u'就', u'上', u'得', u'走',
u'并', u'要', u'会', u'什么', u'知道', u'为', u'自己', u'到', u'给', u'做', u'这',
u'让', u'那']
with open(self.path, 'r') as file:
pattern = re.compile('[’!"#$%&\'()*+,-./:;<=>?@[\\]^_`{|}~+:…]')
text = re.sub(pattern, '', file.read())
words = jieba.cut(text)
for word in words:
if word not in remove_words:
result.append(word)
common = Counter(result).most_common(20)
for i in range(20):
self.set_item.emit(i, common[i])
self.tableWidget.update()
self.draw_chart.emit(common)
def set_table_item(self, index, item):
self.tableWidget.setItem(index, 0, QTableWidgetItem(item[0]))
self.tableWidget.setItem(index, 1, QTableWidgetItem(str(item[1])))
def save_picture(self):
self.is_save = True
QMessageBox.information(self, '提示', '词云保存成功!')
def load_file(self):
self.path, ok = QFileDialog.getOpenFileName(self, 'Load file', ':/source/', 'Text Files (*.txt)')
if ok:
self.text_path.setText(str(self.path))
def create_pic(self):
if not os.path.exists(self.path):
QMessageBox.warning(self, '警告', '请先载入数据!')
return
if os.path.exists(self.config_widget.mask_path_line.text()):
image = Image.open(self.config_widget.mask_path_line.text())
self.mask = np.array(image)
self.pic_show.clear()
movie = QMovie(':/source/loading.gif')
movie.setScaledSize(self.pic_show.size())
self.pic_show.setMovie(movie)
movie.start()
font_path = self.config_widget.font_path_line.text()
max_words = self.config_widget.max_word.value()
background_color = self.config_widget.background_color
color_random = self.config_widget.color_random.value()
min_font_size = int(self.config_widget.min_size.text())
max_font_size = int(self.config_widget.max_size.text())
self.pic_thread = CreateThread(self.path, font_path, self.margin, self.width, self.height,
max_words, background_color, self.mask, color_random,
min_font_size, max_font_size)
self.pic_thread.finish_signal.connect(self.set_pixmap)
self.pic_thread.start()
self.make_cloud.setEnabled(False)
self.make_cloud.setText('正在生成')
self.load_text.setEnabled(False)
def set_pixmap(self, pic_name):
self.load_text.setEnabled(True)
self.make_cloud.setEnabled(True)
self.make_cloud.setText('开始生成')
self.pic_show.clear()
print('设置图片')
self.pic_show.setStyleSheet("border-image:url({0})".format(pic_name))
def dragEnterEvent(self, event):
if event.mimeData().hasUrls():
event.acceptProposedAction()
else:
event.ignore()
def dragMoveEvent(self, event):
if event.mimeData().hasUrls():
event.setDropAction(Qt.TargetMoveAction)
event.accept()
else:
event.ignore()
def dropEvent(self, event):
if event.mimeData().hasUrls():
path = str(event.mimeData().urls()[0].toLocalFile())
if path[-3:] == 'txt':
self.text_path.setText(path)
self.path = path
else:
QMessageBox.warning(self, "警告!", '你拖的不是txt格式的文本文件吧?', QMessageBox.Yes)
else:
event.ignore()
class ConfigWidget(QWidget, Ui_Config):
background_color = 'white'
i = 0
def __init__(self, parent = None):
super(ConfigWidget, self).__init__(parent)
self.setupUi(self)
self.setWindowIcon(QIcon(':/source/wordcloud.ico'))
self.set_btn.clicked.connect(self.change_config)
self.mask_btn.clicked.connect(self.set_mask_path)
self.font_btn.clicked.connect(self.set_font_path)
self.color_btn.clicked.connect(self.set_color)
def set_color(self):
self.i += 1
if self.i == 0:
self.color_btn.setStyleSheet("background-color: white")
self.background_color = 'white'
elif self.i == 1:
self.color_btn.setStyleSheet("background-color: black")
self.background_color = 'black'
elif self.i == 2:
self.color_btn.setStyleSheet("background-color: red")
self.background_color = 'red'
elif self.i == 3:
self.color_btn.setStyleSheet("background-color: pink")
self.background_color = 'pink'
elif self.i == 4:
self.color_btn.setStyleSheet("background-color: green")
self.background_color = 'green'
elif self.i == 5:
self.color_btn.setStyleSheet("background-color: magenta")
self.background_color = 'magenta'
elif self.i == 6:
self.color_btn.setStyleSheet("background-color: gray")
self.background_color = 'gray'
self.i = -1
def set_font_path(self):
path, ok = QFileDialog.getOpenFileName(self, '选择Font', './source', 'Files (*.ttf *.TTF *.ttc)')
if ok:
self.font_path_line.setText(str(path))
def set_mask_path(self):
path, ok = QFileDialog.getOpenFileName(self, '选择Mask', './source', 'Files (*.jpg *.png)')
if ok:
self.mask_path_line.setText(str(path))
def change_config(self):
QMessageBox.information(self, 'Success!', '更新配置成功。')
self.hide()
class CreateThread(QThread):
finish_signal = pyqtSignal(str)
def __init__(self, path, font_path, margin, width, height, \
max_words, background_color, mask, random_state,\
min_font_size, max_font_size):
super(CreateThread, self).__init__()
self.path = path
self.wordcloud = WordCloud(font_path=font_path,
margin=margin,
width=width,
height=height,
max_words=max_words,
background_color=background_color,
mask=mask,
random_state=random_state,
min_font_size=min_font_size,
max_font_size=max_font_size)
def run(self):
print('正在生成词云...')
with open(self.path, 'rb') as file:
data = file.read().decode('gbk', 'ignore')
self.wordcloud.generate(data)
pic_name = './wordcloud/' + str(time.time()) + '.png'
self.wordcloud.to_file(pic_name)
print('词云生成完毕...')
self.finish_signal.emit(pic_name)
class ToolTipItem(QWidget):
def __init__(self, color, text, parent=None):
super(ToolTipItem, self).__init__(parent)
layout = QHBoxLayout(self)
layout.setContentsMargins(0, 0, 0, 0)
clabel = QLabel(self)
clabel.setMinimumSize(12, 12)
clabel.setMaximumSize(12, 12)
clabel.setStyleSheet("border-radius:6px;background: rgba(%s,%s,%s,%s);" % (
color.red(), color.green(), color.blue(), color.alpha()))
layout.addWidget(clabel)
self.textLabel = QLabel(text, self, styleSheet="color:white;")
layout.addWidget(self.textLabel)
def setText(self, text):
self.textLabel.setText(text)
class ToolTipWidget(QWidget):
Cache = {}
def __init__(self, *args, **kwargs):
super(ToolTipWidget, self).__init__(*args, **kwargs)
self.setAttribute(Qt.WA_StyledBackground, True)
self.setStyleSheet(
"ToolTipWidget{background: rgba(50, 50, 50, 100);}")
layout = QVBoxLayout(self)
self.titleLabel = QLabel(self, styleSheet="color:white;")
layout.addWidget(self.titleLabel)
def updateUi(self, title, bars):
self.titleLabel.setText(title)
for bar, value in bars:
if bar not in self.Cache:
item = ToolTipItem(
bar.color(),
(bar.label() or "-") + ":" + str(value), self)
self.layout().addWidget(item)
self.Cache[bar] = item
else:
self.Cache[bar].setText(
(bar.label() or "-") + ":" + str(value))
brush = bar.brush()
color = brush.color()
self.Cache[bar].setVisible(color.alphaF() == 1.0) # 隐藏那些不可用的项
self.adjustSize() # 调整大小
class GraphicsProxyWidget(QGraphicsProxyWidget):
def __init__(self, *args, **kwargs):
super(GraphicsProxyWidget, self).__init__(*args, **kwargs)
self.setZValue(999)
self.tipWidget = ToolTipWidget()
self.setWidget(self.tipWidget)
self.hide()
def width(self):
return self.size().width()
def height(self):
return self.size().height()
def show(self, title, bars, pos):
self.setGeometry(QRectF(pos, self.size()))
self.tipWidget.updateUi(title, bars)
super(GraphicsProxyWidget, self).show()
class ChartView(QChartView):
def __init__(self, *args, **kwargs):
super(ChartView, self).__init__(*args, **kwargs)
self.setRenderHint(QPainter.Antialiasing) # 抗锯齿
self._chart = QChart(title="词频图")
# 提示widget
self.toolTipWidget = GraphicsProxyWidget(self._chart)
# line 宽度需要调整
self.lineItem = QGraphicsLineItem(self._chart)
pen = QPen(Qt.gray)
self.lineItem.setPen(pen)
self.lineItem.setZValue(998)
self.lineItem.hide()
self._chart.setAcceptHoverEvents(True)
# Series动画
self._chart.setAnimationOptions(QChart.SeriesAnimations)
def mouseMoveEvent(self, event):
super(ChartView, self).mouseMoveEvent(event)
pos = event.pos()
# 把鼠标位置所在点转换为对应的xy值
x = self._chart.mapToValue(pos).x()
y = self._chart.mapToValue(pos).y()
index = round(x)
# 得到在坐标系中的所有bar的类型和点
try:
serie = self._chart.series()[0]
except:
return
bars = [(bar, bar.at(index))
for bar in serie.barSets() if self.min_x <= x <= self.max_x and self.min_y <= y <= self.max_y]
if bars:
right_top = self._chart.mapToPosition(
QPointF(self.max_x, self.max_y))
# 等分距离比例
step_x = round(
(right_top.x() - self.point_top.x()) / self.category_len)
posx = self._chart.mapToPosition(QPointF(x, self.min_y))
self.lineItem.setLine(posx.x(), self.point_top.y(),
posx.x(), posx.y())
self.lineItem.show()
try:
title = self.categories[index]
except:
title = ""
t_width = self.toolTipWidget.width()
t_height = self.toolTipWidget.height()
# 如果鼠标位置离右侧的距离小于tip宽度
x = pos.x() - t_width if self.width() - \
pos.x() - 20 < t_width else pos.x()
# 如果鼠标位置离底部的高度小于tip高度
y = pos.y() - t_height if self.height() - \
pos.y() - 20 < t_height else pos.y()
self.toolTipWidget.show(
title, bars, QPoint(x, y))
else:
self.toolTipWidget.hide()
self.lineItem.hide()
def handleMarkerClicked(self):
marker = self.sender() # 信号发送者
if not marker:
return
bar = marker.barset()
if not bar:
return
# bar透明度
brush = bar.brush()
color = brush.color()
alpha = 0.0 if color.alphaF() == 1.0 else 1.0
color.setAlphaF(alpha)
brush.setColor(color)
bar.setBrush(brush)
# marker
brush = marker.labelBrush()
color = brush.color()
alpha = 0.4 if color.alphaF() == 1.0 else 1.0
# 设置label的透明度
color.setAlphaF(alpha)
brush.setColor(color)
marker.setLabelBrush(brush)
# 设置marker的透明度
brush = marker.brush()
color = brush.color()
color.setAlphaF(alpha)
brush.setColor(color)
marker.setBrush(brush)
def handleMarkerHovered(self, status):
# 设置bar的画笔宽度
marker = self.sender() # 信号发送者
if not marker:
return
bar = marker.barset()
if not bar:
return
pen = bar.pen()
if not pen:
return
pen.setWidth(pen.width() + (1 if status else -1))
bar.setPen(pen)
def handleBarHoverd(self, status, index):
# 设置bar的画笔宽度
bar = self.sender() # 信号发送者
pen = bar.pen()
if not pen:
return
pen.setWidth(pen.width() + (1 if status else -1))
bar.setPen(pen)
def initChart(self, common):
self.categories = [item[0] for item in common]
series = QBarSeries(self._chart)
bar = QBarSet("")
# 随机数据
for item in common:
bar.append(item[1])
series.append(bar)
bar.hovered.connect(self.handleBarHoverd) # 鼠标悬停
self._chart.addSeries(series)
self._chart.createDefaultAxes() # 创建默认的轴
# x轴
axis_x = QBarCategoryAxis(self._chart)
axis_x.append(self.categories)
self._chart.setAxisX(axis_x, series)
# chart的图例
legend = self._chart.legend()
legend.setVisible(True)
# 遍历图例上的标记并绑定信号
for marker in legend.markers():
# 点击事件
marker.clicked.connect(self.handleMarkerClicked)
# 鼠标悬停事件
marker.hovered.connect(self.handleMarkerHovered)
# 一些固定计算,减少mouseMoveEvent中的计算量
# 获取x和y轴的最小最大值
axisX, axisY = self._chart.axisX(), self._chart.axisY()
self.category_len = len(axisX.categories())
self.min_x, self.max_x = -0.5, self.category_len - 0.5
self.min_y, self.max_y = axisY.min(), axisY.max()
# 坐标系中左上角顶点
self.point_top = self._chart.mapToPosition(
QPointF(self.min_x, self.max_y))
self.setChart(self._chart)
if __name__ == '__main__':
app = QApplication(sys.argv)
win = MainWindow()
# import qdarkstyle
# win.setStyleSheet(qdarkstyle.load_stylesheet_pyqt5())
win.show()
sys.exit(app.exec_())