[PySide] How to Resize Columns in QTableView

Lipson, Ed ed.lipson at bnymellon.com
Wed Dec 18 15:51:27 CET 2019

I am building a simple data display application, to show several columns from a table. They appear fine, but I can't get the columns to fit the data correctly. All the columns appear the same width.
I did not see much by searching for this. I've tried several different options. None seem to make any difference. How should one do this? PyQt and PySide2 have the same results
Using QtDesigner
QtDesigner 5.13.0
Python 3.7.4
PyQt5              5.13.0
PyQt5-sip          4.19.18
PyQt5Designer      5.10.1
PySide2            5.13.1

I'm restricted in what I can post without obfuscating information, I hope the snippets will help.

Snippet from uic converted .ui

        self.tableViewArch = QtWidgets.QTableView(self.centralwidget)
        self.tableViewArch.setGeometry(QtCore.QRect(20, 70, 771, 471))
        self.tableViewArch.setProperty("showDropIndicator", False)

Class method loading the QTableView

    def loadTableViewArch(self):
        archlist,archcol = self.dbh.get_arch_for_mnm(self.comboBoxAppMnm.currentText())
        cols = [col[0] for col in archcol]
        curmodel = self.tableViewArch.model()
        model = QStandardItemModel()
        collen = [0] * len(cols)
        for row in archlist:
            items = []
            for cix, col in enumerate(row):
                if collen[cix] < len(col.strip()):
                    collen[cix] = len(col.strip())
                citem = QStandardItem(col) #.setText(col)
                Qs = QtCore.QSize()
        for cix,clen in enumerate(collen):
        del curmodel

Ed Lipson
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Information Lifecycle Management
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