我正在尝试将节点标签的方向更改为节点左侧和空白区域中,以获得更好的可读性,类似于“C”标签的对齐方式。
import plotly.graph_objects as go
fig = go.Figure(data=[go.Sankey(
node = dict(
pad = 15,
thickness = 20,
line = dict(color = "black", width = 0.5),
label = ["A1", "A2", "B1", "B2", "C1", "C2"],
color = "blue"
),
link = dict(
source = [0, 1, 0, 2, 3, 3], # indices correspond to labels, eg A1, A2, A2, B1, ...
target = [2, 3, 3, 4, 4, 5],
value = [8, 4, 2, 8, 4, 2]
))])
fig.update_layout(title_text="Basic Sankey Diagram", font_size=10) …Run Code Online (Sandbox Code Playgroud) 我正在使用Python 2.7.11并且我正在尝试使用安装模块,但是其中一些模块失败了.我收到的消息是"无法为'X'构建轮"和"错误:INCLUDE环境变量为空".
我试图安装Scrapy,LXML和Twisted,但那些都失败了.我试过的其他一些随机模块安装得很好.
我已经安装了pyOpenSSL,将python27和python27/scripts添加到环境中.
谢谢,
我想弄清楚如何通过按下另一个 QPushbutton 来创建 QPushButton,以便我最终可以动态创建按钮。似乎创建按钮的初始方法在函数中不起作用。
import sys
from PyQt5 import QtCore, QtWidgets
from PyQt5.QtWidgets import QMainWindow, QLabel, QGridLayout, QWidget
from PyQt5.QtWidgets import QPushButton
from PyQt5.QtCore import QSize
class MainWindow(QMainWindow):
def __init__(self):
QMainWindow.__init__(self)
self.setMinimumSize(QSize(300, 200))
pybutton = QPushButton('Create a button', self)
pybutton.clicked.connect(self.clickMethod)
pybutton.resize(100,100)
pybutton.move(100, 100)
def clickMethod(self):
print('Clicked')
newBtn = QPushButton('New Button', self)
newBtn.move(0, 0)
if __name__ == "__main__":
app = QtWidgets.QApplication(sys.argv)
mainWin = MainWindow()
mainWin.show()
sys.exit( app.exec_() )
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