# QEventManager
#### 介绍
QEventManager使用多线程的方式对任务进行处理，qasync的另一个替代
#### 软件架构
依赖于Qt的QThread类，使用多线程的方式对任务进行处理。
#### 安装教程
```
pip install qeventmanager
```
#### 使用说明
[examples](examples)
##### 加载Url图片
```python
# coding: utf-8
import sys
from PySide6.QtCore import Qt
from PySide6.QtGui import QImage, QPixmap
from qeventmanager import qevent_manager
from PySide6.QtWidgets import QApplication, QWidget, QVBoxLayout, QLabel, QPushButton
class Demo(QWidget):
def __init__(self):
super().__init__()
self.verticalLayout = QVBoxLayout(self)
self.pushButton = QPushButton(self)
self.pushButton.setText("Click me")
self.label = QLabel(self)
self.label.setText("Hello, world!")
self.label.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.label.setScaledContents(True)
self.verticalLayout.setAlignment(Qt.AlignmentFlag.AlignTop)
self.verticalLayout.addWidget(self.pushButton)
self.verticalLayout.addWidget(self.label, 1)
self.pushButton.clicked.connect(self.handle_click)
def handle_click(self):
url = 'https://i.loli.net/2018/12/06/5c0867986a2a0.jpg'
qevent_manager.addLoadImageFromUrl(url, slot=self.handle_image, use_pil=False)
def handle_image(self, image: QImage):
image = image.scaledToWidth(self.verticalLayout.geometry().width())
self.label.setPixmap(QPixmap.fromImage(image))
if __name__ == '__main__':
app = QApplication(sys.argv)
demo = Demo()
demo.resize(1000, 600)
demo.show()
sys.exit(app.exec())
```
##### 加载本地图片
```python
# coding: utf-8
import sys
from PySide6.QtCore import Qt
from PySide6.QtGui import QImage, QPixmap
from qeventmanager import qevent_manager
from PySide6.QtWidgets import QApplication, QWidget, QVBoxLayout, QLabel, QPushButton
class Demo(QWidget):
def __init__(self):
super().__init__()
self.verticalLayout = QVBoxLayout(self)
self.pushButton = QPushButton(self)
self.pushButton.setText("Click me")
self.label = QLabel(self)
self.label.setText("Hello, world!")
self.label.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.label.setScaledContents(True)
self.verticalLayout.setAlignment(Qt.AlignmentFlag.AlignTop)
self.verticalLayout.addWidget(self.pushButton)
self.verticalLayout.addWidget(self.label, 1)
self.pushButton.clicked.connect(self.handle_click)
def handle_click(self):
url = './img.jpg'
qevent_manager.addLoadImageFromFile(url, slot=self.handle_image, use_pil=False)
def handle_image(self, image: QImage):
image = image.scaledToWidth(self.verticalLayout.geometry().width())
self.label.setPixmap(QPixmap.fromImage(image))
if __name__ == '__main__':
app = QApplication(sys.argv)
demo = Demo()
demo.resize(1000, 600)
demo.show()
sys.exit(app.exec())
```
##### 加载自定义函数
```python
# coding: utf-8
import sys
from PySide6.QtCore import Qt
from PySide6.QtWidgets import QApplication, QWidget, QVBoxLayout, QLabel, QPushButton
from requests import Response, post
from qeventmanager import qevent_manager
def baidu():
url = 'https://wallpaper.soutushenqi.com/timeStamp?product_id=52&version_code=29106&sign=EB9C805D055305DB83FCAFEA541B9714'
response = post(url)
response.raise_for_status()
response.encoding = 'utf-8'
return response
class Demo(QWidget):
def __init__(self):
super().__init__()
self.verticalLayout = QVBoxLayout(self)
self.pushButton = QPushButton(self)
self.pushButton.setText("Click me")
self.label = QLabel(self)
self.label.setText("Hello, world!")
self.label.setAlignment(Qt.AlignmentFlag.AlignCenter)
self.label.setScaledContents(True)
self.verticalLayout.setAlignment(Qt.AlignmentFlag.AlignTop)
self.verticalLayout.addWidget(self.pushButton)
self.verticalLayout.addWidget(self.label, 1)
self.pushButton.clicked.connect(self.handle_click)
def handle_click(self):
qevent_manager.addTask(baidu, slot=self.handle)
# qevent_manager.addTaskToPool(baidu, slot=self.handle)
def handle(self, response: Response):
self.label.setText(response.text)
if __name__ == '__main__':
app = QApplication(sys.argv)
demo = Demo()
demo.resize(1000, 600)
demo.show()
sys.exit(app.exec())
```
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