[Zope] PIL+Zope: what's wrong with this code ?

[Peter Bengtsson]

Did you know that there's a Zope Product called Photo that uses PIL?
Download that and look into the source.

Peter

----- Original Message -----
From: "Jerome Alet" <alet@unice.fr>
To: <zope@zope.org>
Sent: Friday, June 01, 2001 11:46 AM
Subject: [Zope] PIL+Zope: what's wrong with this code ?


> Hi,
>
> I plan to use PIL in an external method to retrieve Images from de ZODB
> and transform them to PIL Images.
>
> When I use the following code I've got an error which basically says:
>
> "Not enough image data"
>
> This seems to be a PIL error, not a Zope's one, but I really can't
> understand what the problem is, except that I don't know what mode
> parameter to pass to fromstring(), I've tried "1", "P", "RGB" etc... but
> without luck:
>
> --- CUT ---
> import PIL.Image
>
> # get the logo GIF Image from the ZODB
> # This object exists and is OK when viewed from the ZMI
> logo = getattr(self, "logo")
> imgdata = logo.data
> if type(imgdata) is not type('') :
>         temp = ''
>         while imgdata is not None :
>                 temp = temp + imgdata.data
>                 imgdata = imgdata.next
>         imgdata = temp
> MyPILImage = PIL.Image.fromstring("1", (logo.width, logo.height), imgdata)
> --- CUT ---
>
> I'm really not sure about the two first parameters that the
> PIL.Image.fromstring() function need, the first one is the mode, the
> second is the size.
>
> Could someone with a PIL+Zope experience show me a code snippet to convert
> Zope Image objects (in any format) to PIL Images ?
>
> Thanks in advance.
>
> PS: I use Zope 2.3.2 and PIL 1.1.1
>
> Jerome Alet - alet@unice.fr - http://cortex.unice.fr/~jerome
> Fac de Medecine de Nice        http://wwwmed.unice.fr
> Tel: (+33) 4 93 37 76 30     Fax: (+33) 4 93 53 15 15
> 28 Avenue de Valombrose - 06107 NICE Cedex 2 - FRANCE
>
>
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