The rootIndex of the QTreeView is hidden so it is not shown. One possible solution is to pass the parent of the path and use a QSortFilterProxyModel to hide the other directories and files.
import os
from PyQt5.QtCore import pyqtSlot, QDir, QModelIndex, QSize, QSortFilterProxyModel
from PyQt5.QtWidgets import QApplication, QFileSystemModel, QMainWindow, QTreeView
class ProxyModel(QSortFilterProxyModel):
def __init__(self, parent=None):
super().__init__(parent)
self._root_path = ""
def filterAcceptsRow(self, source_row, source_parent):
source_model = self.sourceModel()
if self._root_path and isinstance(source_model, QFileSystemModel):
root_index = source_model.index(self._root_path).parent()
if root_index == source_parent:
index = source_model.index(source_row, 0, source_parent)
return index.data(QFileSystemModel.FilePathRole) == self._root_path
return True
@property
def root_path(self):
return self._root_path
@root_path.setter
def root_path(self, p):
self._root_path = p
self.invalidateFilter()
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__(parent)
self.create_treeview()
self.setCentralWidget(self.treeView)
def create_treeview(self):
path = "/home/data/test"
self.treeView = QTreeView()
self.treeView.setMinimumSize(QSize(250, 0))
self.treeView.setMaximumSize(QSize(250, 16777215))
self.treeView.setObjectName("treeView")
self.dirModel = QFileSystemModel()
self.dirModel.setRootPath(QDir.rootPath())
self.dirModel.setFilter(QDir.NoDotAndDotDot | QDir.AllDirs)
root_index = self.dirModel.index(path).parent()
self.proxy = ProxyModel(self.dirModel)
self.proxy.setSourceModel(self.dirModel)
self.proxy.root_path = path
self.treeView.setModel(self.proxy)
proxy_root_index = self.proxy.mapFromSource(root_index)
self.treeView.setRootIndex(proxy_root_index)
self.treeView.setHeaderHidden(True)
self.treeView.clicked.connect(self.tree_click)
@pyqtSlot(QModelIndex)
def tree_click(self, index):
ix = self.proxy.mapToSource(index)
print(
ix.data(QFileSystemModel.FilePathRole),
ix.data(QFileSystemModel.FileNameRole),
)
if __name__ == "__main__":
import sys
app = QApplication(sys.argv)
w = MainWindow()
w.show()
sys.exit(app.exec_())
