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Newsgroups: comp.lang.python
Date: Tue, 16 Oct 2012 22:35:29 -0700 (PDT)
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Subject: Re: Tkinter how to access the widget by name
From: =?UTF-8?B?0JLQu9Cw0LTQuNC80LjRgCDQn9GL0LvQtdCy?= <clinicalfilm@gmail.com>
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Xref: csiph.com comp.lang.python:31468

=D0=B2=D1=82=D0=BE=D1=80=D0=BD=D0=B8=D0=BA, 16 =D0=BE=D0=BA=D1=82=D1=8F=D0=
=B1=D1=80=D1=8F 2012=C2=A0=D0=B3., 2:26:22 UTC+4 =D0=BF=D0=BE=D0=BB=D1=8C=
=D0=B7=D0=BE=D0=B2=D0=B0=D1=82=D0=B5=D0=BB=D1=8C Prasad, Ramit =D0=BD=D0=B0=
=D0=BF=D0=B8=D1=81=D0=B0=D0=BB:
> ???????? ????? wrote:
>=20
> > I'm a little teapot ... himself the question: if I want to appeal to th=
e widget, knowing his name... ?
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> >=20
>=20
> > # appropriated the name of the widget
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> > label =3D Label(frame, width =3D 40, text=3D'text', name =3D 'name')
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> > ...
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> > name_=3D'name'
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> > configure(name_)
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> > ...
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> > def configure(name_)
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> >         #And how can that be?
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> >         # At least let the text you want to change ....
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> >=20
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> > I beg you ..!!!!
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> > --
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>=20
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> I am unfamiliar with Tkinter, so this might not be very helpful.
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>=20
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> Usually with the GUI I have created before I uses classes and store=20
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> the widgets inside the classes. That makes it easier to use
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> `self.widgetname` or `getattr(self, widgetname)`. If that is not
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> something you can instead store the attributes in a list/dictionary.
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> In both cases make sure not to have multiple widgets created with
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> the same name.
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>=20
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> Note the following is all untested and should be considered pseudo-code.
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>=20
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> widgets =3D {}
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> label =3D Label(frame, width =3D 40, text=3D'text', name =3D 'name')
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> widgets['name'] =3D label
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>=20
>=20
> def configure(name_):
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>     widget =3D widgets[name_]=20
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>=20
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> OR
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>=20
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> widgets =3D []
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> label =3D Label(frame, width =3D 40, text=3D'text', name =3D 'name')
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> widgets.append( label )
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>=20
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> def configure(name_):
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>     found =3D False
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>     for w in widgets:
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>          if w.name =3D=3D name_: # No idea how to get name from Tk widget
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>                found =3D True
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>                break
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>      if found:
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>         # configure here
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>=20
>=20
>=20
>=20
> Ramit Prasad
>=20
>=20
>=20
>=20
>=20
> This email is confidential and subject to important disclaimers and
>=20
> conditions including on offers for the purchase or sale of
>=20
> securities, accuracy and completeness of information, viruses,
>=20
> confidentiality, legal privilege, and legal entity disclaimers,
>=20
> available at http://www.jpmorgan.com/pages/disclosures/email.


ok thanks, that this method is suitable in full: "widgets.append( label )" =
, =D0=B0lthough at the beginning wanted to access the widget by its interna=
l name, but I left this venture )).