[PyQt] Storing QString/Unicode in Sqlite Database

Andrei Kopats hlamer at tut.by
Wed Nov 9 04:38:33 GMT 2011


At first, you should probably use something like
  unicode(some_lineEdit.text(), 'utf8'), if you want to convert string to
At second, for me all unicode conversion problems disappeared after I
started using QString API v2. In this case, PyQt methods always return you
unicode instead of QStrings


On Wed, Nov 9, 2011 at 1:20 AM, Tayfun Kayhan <tayfun92_kayhan at yahoo.com>wrote:

> Hi all, I wanna get texts from some QLineEdits' and QComboBoxes and store
> them in Sqlite DB. But I keep gettin the following error, i also tried
> using following commands that did not worked :
> self.info = some_lineEdit.text()
> self.info = str(u"%s" % some_lineEdit.text())
> self.info = some_lineEdit.text().toUtf8()
> self.info = _fromUtf8(some_lineEdit.text())
> sqlite3.ProgrammingError: You must not use 8-bit bytestrings unless you
> use a text_factory that can interpret 8-bit bytestrings (like text_factory
> = str). It is highly recommended that you instead just switch your
> application to Unicode strings.
> Everything works fine when i don't enter unicode strings,  so problem is
> exactly the unicode. Any help is appreciated. Thanks.
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