findfiles¶
(You can also check this code in the repository)
"""PySide6 port of the widgets/dialogs/findfiles example from Qt v5.x"""
import sys
from PySide6.QtCore import (QCoreApplication, QDir, QFile, QFileInfo,
QIODevice, QTextStream, QUrl, Qt)
from PySide6.QtGui import QDesktopServices
from PySide6.QtWidgets import (QAbstractItemView, QApplication, QComboBox,
QDialog, QFileDialog, QGridLayout, QHBoxLayout,
QHeaderView, QLabel, QLineEdit, QProgressDialog,
QPushButton, QSizePolicy, QTableWidget,
QTableWidgetItem, QVBoxLayout, QWidget)
class Window(QDialog):
def __init__(self, parent=None):
super().__init__(parent)
self._browse_button = self.create_button("&Browse...", self.browse)
self._find_button = self.create_button("&Find", self.find)
self._file_combo_box = self.create_combo_box("*")
self._text_combo_box = self.create_combo_box()
self._directory_combo_box = self.create_combo_box(QDir.currentPath())
file_label = QLabel("Named:")
text_label = QLabel("Containing text:")
directory_label = QLabel("In directory:")
self._files_found_label = QLabel()
self.create_files_table()
buttons_layout = QHBoxLayout()
buttons_layout.addStretch()
buttons_layout.addWidget(self._find_button)
main_layout = QGridLayout()
main_layout.addWidget(file_label, 0, 0)
main_layout.addWidget(self._file_combo_box, 0, 1, 1, 2)
main_layout.addWidget(text_label, 1, 0)
main_layout.addWidget(self._text_combo_box, 1, 1, 1, 2)
main_layout.addWidget(directory_label, 2, 0)
main_layout.addWidget(self._directory_combo_box, 2, 1)
main_layout.addWidget(self._browse_button, 2, 2)
main_layout.addWidget(self._files_table, 3, 0, 1, 3)
main_layout.addWidget(self._files_found_label, 4, 0)
main_layout.addLayout(buttons_layout, 5, 0, 1, 3)
self.setLayout(main_layout)
self.setWindowTitle("Find Files")
self.resize(500, 300)
def browse(self):
directory = QFileDialog.getExistingDirectory(self, "Find Files",
QDir.currentPath())
if directory:
if self._directory_combo_box.findText(directory) == -1:
self._directory_combo_box.addItem(directory)
self._directory_combo_box.setCurrentIndex(self._directory_combo_box.findText(directory))
@staticmethod
def update_combo_box(comboBox):
if comboBox.findText(comboBox.currentText()) == -1:
comboBox.addItem(comboBox.currentText())
def find(self):
self._files_table.setRowCount(0)
file_name = self._file_combo_box.currentText()
text = self._text_combo_box.currentText()
path = self._directory_combo_box.currentText()
self.update_combo_box(self._file_combo_box)
self.update_combo_box(self._text_combo_box)
self.update_combo_box(self._directory_combo_box)
self._current_dir = QDir(path)
if not file_name:
file_name = "*"
files = self._current_dir.entryList([file_name],
QDir.Files | QDir.NoSymLinks)
if text:
files = self.find_files(files, text)
self.show_files(files)
def find_files(self, files, text):
progress_dialog = QProgressDialog(self)
progress_dialog.setCancelButtonText("&Cancel")
progress_dialog.setRange(0, len(files))
progress_dialog.setWindowTitle("Find Files")
found_files = []
for i in range(len(files)):
progress_dialog.setValue(i)
n = len(files)
progress_dialog.setLabelText(f"Searching file number {i} of {n}...")
QCoreApplication.processEvents()
if progress_dialog.wasCanceled():
break
in_file = QFile(self._current_dir.absoluteFilePath(files[i]))
if in_file.open(QIODevice.ReadOnly):
stream = QTextStream(in_file)
while not stream.atEnd():
if progress_dialog.wasCanceled():
break
line = stream.readLine()
if text in line:
found_files.append(files[i])
break
progress_dialog.close()
return found_files
def show_files(self, files):
for fn in files:
file = QFile(self._current_dir.absoluteFilePath(fn))
size = QFileInfo(file).size()
file_name_item = QTableWidgetItem(fn)
file_name_item.setFlags(file_name_item.flags() ^ Qt.ItemIsEditable)
size_kb = int((size + 1023) / 1024)
size_item = QTableWidgetItem(f"{size_kb} KB")
size_item.setTextAlignment(Qt.AlignVCenter | Qt.AlignRight)
size_item.setFlags(size_item.flags() ^ Qt.ItemIsEditable)
row = self._files_table.rowCount()
self._files_table.insertRow(row)
self._files_table.setItem(row, 0, file_name_item)
self._files_table.setItem(row, 1, size_item)
n = len(files)
self._files_found_label.setText(f"{n} file(s) found (Double click on a file to open it)")
def create_button(self, text, member):
button = QPushButton(text)
button.clicked.connect(member)
return button
def create_combo_box(self, text=""):
combo_box = QComboBox()
combo_box.setEditable(True)
combo_box.addItem(text)
combo_box.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Preferred)
return combo_box
def create_files_table(self):
self._files_table = QTableWidget(0, 2)
self._files_table.setSelectionBehavior(QAbstractItemView.SelectRows)
self._files_table.setHorizontalHeaderLabels(("File Name", "Size"))
self._files_table.horizontalHeader().setSectionResizeMode(0, QHeaderView.Stretch)
self._files_table.verticalHeader().hide()
self._files_table.setShowGrid(False)
self._files_table.cellActivated.connect(self.open_file_of_item)
def open_file_of_item(self, row, column):
item = self._files_table.item(row, 0)
QDesktopServices.openUrl(QUrl(self._current_dir.absoluteFilePath(item.text())))
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
window = Window()
window.show()
sys.exit(app.exec())
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