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editor.pyw
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from PyQt5 import QtWidgets
from PyQt5 import QtGui
from PyQt5.QtCore import pyqtSignal, Qt, QThread, QObject
import pandas as pd
import random
import sys
import os
class Worker(QObject):
def __init__(self, n, df):
super().__init__()
self.n = n
self.df = df
finished = pyqtSignal()
newDf = pyqtSignal(pd.DataFrame)
oldDf = pyqtSignal(pd.DataFrame)
def main(self):
dropList = list()
self.dfTest = pd.DataFrame(columns=self.df.columns)
for i in range(self.n):
index = random.randint(0, self.df.shape[0] - 1)
self.dfTest.loc[i] = self.df.loc[index]
dropList.append(index)
else:
self.df.drop(dropList, inplace=True)
self.oldDf.emit(self.df)
self.newDf.emit(self.dfTest)
self.finished.emit()
class TestWindow(QtWidgets.QWidget):
numberOfTests = pyqtSignal(int)
def __init__(self, maxValue):
super().__init__()
self.maxValue = maxValue
self.test_ui()
def test_ui(self):
self.valueCount = QtWidgets.QLabel("10")
self.text = QtWidgets.QLabel("Number of Test Rows:")
self.inputArea = QtWidgets.QSlider(Qt.Horizontal)
self.inputArea.setMinimum(10)
self.inputArea.setMaximum(self.maxValue)
self.inputArea.valueChanged.connect(lambda: self.valueCount.setText(str(self.inputArea.value())))
self.button = QtWidgets.QPushButton("Okay")
v_box = QtWidgets.QVBoxLayout()
v_box.addWidget(self.text)
v_box.addWidget(self.inputArea)
v_box.addWidget(self.valueCount)
v_box.addWidget(self.button)
self.button.clicked.connect(self.click)
self.setLayout(v_box)
self.setWindowTitle("Number of Test Rows")
self.setWindowIcon(QtGui.QIcon("icon.png"))
self.setMinimumHeight(120)
self.setMaximumHeight(120)
self.setMinimumWidth(350)
self.setMaximumWidth(350)
def click(self):
self.valueCount.setText("Please Wait...")
self.numberOfTests.emit(self.inputArea.value())
self.close()
class Editor(QtWidgets.QWidget):
def __init__(self):
super().__init__()
self.canSave = False
self.editor_ui()
def editor_ui(self):
self.searchBar = QtWidgets.QLineEdit()
self.searchBar.setReadOnly(True)
self.getDataFrameButton = QtWidgets.QPushButton("Select Dataframe")
self.columnsText = QtWidgets.QLabel("Columns")
self.columns = QtWidgets.QListWidget()
self.generateTestButton = QtWidgets.QPushButton("Generate Test File")
self.deleteColumnButton = QtWidgets.QPushButton("Delete Column")
self.saveButton = QtWidgets.QPushButton("Save")
self.saveAsButton = QtWidgets.QPushButton("Save As...")
hbox = QtWidgets.QHBoxLayout()
hbox.addWidget(self.searchBar)
hbox.addWidget(self.getDataFrameButton)
hbox2 = QtWidgets.QHBoxLayout()
hbox2.addWidget(self.generateTestButton)
hbox2.addWidget(self.deleteColumnButton)
hbox2.addWidget(self.saveButton)
hbox2.addWidget(self.saveAsButton)
vbox = QtWidgets.QVBoxLayout()
vbox.addLayout(hbox)
vbox.addSpacing(20)
vbox.addWidget(self.columnsText)
vbox.addWidget(self.columns)
vbox.addLayout(hbox2)
self.generateTestButton.clicked.connect(self.selectTestNumber)
self.getDataFrameButton.clicked.connect(self.getDataFrame)
self.deleteColumnButton.clicked.connect(self.deleteColumn)
self.saveButton.clicked.connect(lambda: self.save(saveAs=False))
self.saveAsButton.clicked.connect(lambda: self.save(saveAs=True))
self.setLayout(vbox)
self.setWindowTitle("Dataframe Editor")
self.setWindowIcon(QtGui.QIcon("icon.png"))
self.setMinimumHeight(400)
self.setMaximumHeight(400)
self.setMinimumWidth(500)
self.setMaximumWidth(500)
def selectTestNumber(self):
if not self.canSave:
return False
self.secondWindow = TestWindow(maxValue=int(self.df.shape[0] * 1 / 5))
self.secondWindow.show()
self.secondWindow.numberOfTests.connect(lambda x: self.generateTestFile(x))
def generateTestFile(self, n):
def saveInside(df=None, dfTest=None, test=False):
if test:
self.savePath = QtWidgets.QFileDialog.getSaveFileName(self, "Select Save Path", os.getenv("HOMEPATH") + "\Desktop"
, "CSV File (*.csv);; JSON File (*.json);; Excel File (*.xlsx)")
self.savefileType = self.savePath[1]
self.savePath = self.savePath[0]
if self.savefileType == "CSV File (*.csv)":
dfTest.to_csv(self.savePath, index = False)
elif self.savefileType == "JSON File (*.json)":
dfTest.to_json(self.savePath)
elif self.savefileType == "Excel File (*.xlsx)":
# openpyxl Module is neccessary
dfTest.to_excel(self.savePath, index = False)
else:
return False
if not test:
if self.fileType == "CSV File (*.csv)":
df.to_csv(self.dfPath, index = False)
elif self.fileType == "JSON File (*.json)":
df.to_json(self.dfPath)
elif self.fileType == "Excel File (*.xlsx)":
# openpyxl Module is neccessary
df.to_excel(self.dfPath, index = False)
else:
return False
self.thread = QThread()
self.worker = Worker(n, self.df)
self.worker.moveToThread(self.thread)
self.thread.started.connect(self.worker.main)
self.thread.started.connect(lambda: self.searchBar.setText("Please Wait"))
self.worker.finished.connect(self.thread.quit)
self.worker.finished.connect(self.worker.deleteLater)
self.thread.start()
self.thread.finished.connect(self.thread.deleteLater)
self.worker.newDf.connect(lambda x: saveInside(dfTest=x, test=True))
self.worker.oldDf.connect(lambda x: saveInside(df=x, test=False))
self.thread.finished.connect(lambda: self.searchBar.setText("Saved successfully"))
def getDataFrame(self):
self.dfPath = QtWidgets.QFileDialog.getOpenFileName(self, "Select a File", os.getenv("HOMEPATH") + "\Desktop",
"CSV File (*.csv);; JSON File (*.json);; Excel File (*.xlsx)")
self.fileType = self.dfPath[1]
self.dfPath = self.dfPath[0]
self.searchBar.setText(self.dfPath)
if self.fileType == "CSV File (*.csv)":
self.df = pd.read_csv(self.dfPath)
self.canSave = True
elif self.fileType == "JSON File (*.json)":
self.df = pd.read_json(self.dfPath)
self.canSave = True
elif self.fileType == "Excel File (*.xlsx)":
self.df = pd.read_excel(self.dfPath)
self.canSave = True
else:
return False
self.columns.clear()
for i in range(len(self.df.columns)):
self.columns.insertItem(i, self.df.columns[i])
self.columns.repaint()
def deleteColumn(self):
if self.columns.currentItem() != None:
column = self.columns.currentItem().text()
self.df.drop(column, axis = 1, inplace = True)
self.columns.clear()
for i in range(len(self.df.columns)):
self.columns.insertItem(i, self.df.columns[i])
self.columns.repaint()
else:
return False
def save(self, saveAs = False):
if not self.canSave:
return False
self.new_file_name = self.dfPath.split("/")[-1]
if saveAs:
self.savePath = QtWidgets.QFileDialog.getSaveFileName(self, "Select Save Path", os.getenv("HOMEPATH") + "\Desktop" + f"/NEW_{self.new_file_name}"
, "CSV File (*.csv);; JSON File (*.json);; Excel File (*.xlsx)")
self.savefileType = self.savePath[1]
self.savePath = self.savePath[0]
if self.savefileType == "CSV File (*.csv)":
self.df.to_csv(self.savePath, index = False)
elif self.savefileType == "JSON File (*.json)":
self.df.to_json(self.savePath)
elif self.savefileType == "Excel File (*.xlsx)":
# openpyxl Module is neccessary
self.df.to_excel(self.savePath, index = False)
else:
return False
self.searchBar.setText("Saved successfully")
else:
if self.fileType == "CSV File (*.csv)":
self.df.to_csv(self.dfPath, index = False)
elif self.fileType == "JSON File (*.json)":
self.df.to_json(self.dfPath)
elif self.fileType == "Excel File (*.xlsx)":
# openpyxl Module is neccessary
self.df.to_excel(self.dfPath, index = False)
else:
return False
self.searchBar.setText("Saved successfully")
app = QtWidgets.QApplication(sys.argv)
window = Editor()
window.show()
sys.exit(app.exec_())