Thanks a lot for replying... I still a newbie at this ... in order for shapelib to read shapefile, you need a set of three files(.shp, .shx, .dbf). so, if I have to download this to a temp location into my computer filesystem, could you show me how this is done? ----- Original Message ---- From: Andreas Jung <lists@zopyx.com> To: Allen Huang <swapp0@yahoo.com>; Zope <zope@zope.org> Sent: Sunday, December 24, 2006 2:47:52 PM Subject: Re: Fw: [Zope] problem with the shapelib module.. help -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - --On 23. Dezember 2006 22:27:29 -0800 Allen Huang <swapp0@yahoo.com> wrote:

2. but when I save the shapefiles (taiwan1.shp, taiwan1.shx, taiwan1.dbf) into zope and call it using dtml it return the same error message. import shapelib, dbflib def readshp(filename): shp = shapelib.ShapeFile(filename) return shp.info()

and in zope <dtml-var expr="readshp(taiwan1.shp)"> or <dtml-var expr="readshp('http://localhost/pytest/taiwan1.shp')";>

No idea what shapelib is doing but reading a file from the locale filesystem as it seems to work from an external method is *different* from a accessing content that is stored within the ZODB. I really wonder why you think it would work the same way? The hierarchical object storage of Zope looks similar to a filesystem but it is not a filesystem and the Python APIs for accessing filesystems don't apply. We have no idea what the ShapeFile constructors expects as data. If it expects a filename of a file within the filesystem then you must obtain the content of your data stored within the ZODB, create a temporary file and call the constructor as you did within your external method. Possibly the constructor accepts the data directly as *string*..in this case this would make things a bit easier. But it is up to *you* to check the Shapelib API and take appropriate action. - -aj -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (Darwin) iD8DBQFFjiKYCJIWIbr9KYwRAk0oAKCSyEo5ykswElgi9jFGWf89NthzmwCfRvEM nSMyeIu/cK7NpecUlof2BR8= =B0Mw -----END PGP SIGNATURE----- __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com