[reportlab-users] reportlab-users Digest, Vol 39, Issue 4

[kevin]

Way to go!  I can't thank you enough!  I feel numb from gazing through 
all the adobe pdf / javscript / .... world....mind numbing.

Thanks for the help!

Kevin @ booksys.com

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> Today's Topics:

>

>    1. Re: Automatically set Page Scaling and Print? (Andy Robinson)

>    2. Re: Problem on Mac OSX (Andy Robinson)

>    3. Re: Automatically set Page Scaling and Print? (Paul McNett)

>    4. Re: Problem on Mac OSX (Reed O'Brien)

>    5. Validating PDF (and more) with JHOVE (Dinu Gherman)

>    6. Re: Validating PDF (and more) with JHOVE (Andy Robinson)

>    7. Re: Problem on Mac OSX (Y Tu)

>

>

> ----------------------------------------------------------------------

>

> Message: 1

> Date: Mon, 1 Oct 2007 20:40:07 +0100

> From: "Andy Robinson" <andy at reportlab.com>

> Subject: Re: [reportlab-users] Automatically set Page Scaling and

> 	Print?

> To: "Support list for users of Reportlab software"

> 	<reportlab-users at reportlab.com>

> Message-ID:

> 	<956003ae0710011240m9fe9c5ek80d71ada88f42bff at mail.gmail.com>

> Content-Type: text/plain; charset=UTF-8

>

> On 01/10/2007, Robin Becker <robin at reportlab.com> wrote:

>   

>> .......

>> well it didn't turn out too hard. I added this at the end of canvas

>>

>>

>> canvas.setViewerPreference('PrintScaling',PDFName('None'))

>>     

>

> Well done, Robin.

>   

>> It seems all the entries in ViewerPreferences are names so perhaps we can agree

>> to eliminate the callers use of PDFName.

>>     

>

> I agree, simple strings (or None, or whatever it needs) are the best.

> Is it possible to list the common preferences available in the

> docstring?

>

> We had a glitch this week on an (internal) project using PDFNames - we

> accidentally used pathnames with forward slashes in some Form XObject

> names, which caused Acrobat Reader to open without errors but display

> blank pages.  To guard against this I think we should check internally

> that the string passed in is a valid PDF Name, and raise a helpful

> ValueError if they pass in something which isn't.

>

> - Andy

>

>

> ------------------------------

>

> Message: 2

> Date: Mon, 1 Oct 2007 20:44:13 +0100

> From: "Andy Robinson" <andy at reportlab.com>

> Subject: Re: [reportlab-users] Problem on Mac OSX

> To: "Support list for users of Reportlab software"

> 	<reportlab-users at reportlab.com>

> Message-ID:

> 	<956003ae0710011244x66b46dc2w41522de1535f5250 at mail.gmail.com>

> Content-Type: text/plain; charset=UTF-8

>

> I think this is a problem with the specific copy of the Python Imaging

> Library you have installed on your Mac OS.  On many platforms, PIL is

> compiled with jpeg support.  It seems your PIL isn't.  We also had

> this from a customer on Mac OS last week.

>

> Can anyone who knows Mac OS well recommend what versions of PIL to

> install, or what options are needed to recompile it with JPEG support?

>

> On your second question, we don't normally run scripts from within an

> interactive prompt.

> If you want to, you need to run the same code which is at the bottom

> of that script e.g.

>

>   

>>>> import os

>>>> os.chdir('c:\\code\\reportlab\\test')

>>>> import unittest

>>>> import test_pdfgen_general

>>>> unittest.TextTestRunner().run(test_pdfgen_general.makeSuite())

>>>>         

> .

> ----------------------------------------------------------------------

> Ran 1 test in 1.011s

>

>

> - Andy

>

>

>

> On 01/10/2007, Y Tu <ytu888 at hotmail.com> wrote:

>   

>>  I installed PIL and ReportLab on Mac OS X. The test-run with command "from

>> PIL import Image" followed by "import _imaging", and  "from

>> reportlab.graphics import renderPDF" succeeded. However, when I run the test

>> script (eportlab/test/test_pdfgen_general.py) coming with

>> the package, I got the following error. How to fix the problem. Another

>> question is how to run the script under the python prompt (>>>) after

>> importing the scirpt by "import test_pdfgen_general.py". Thank yuo very

>> much.

>>

>>

>> nypivs-lee:/Applications/MacPython 2.5/reportlab/test lee$

>> python test_pdfgen_general.py

>> E

>> ======================================================================

>> ERROR: Make a PDFgen document with most graphics features

>> ----------------------------------------------------------------------

>> Traceback (most recent call last):

>>   File "test_pdfgen_general.py", line 833, in test0

>>     run(outputfile('test_pdfgen_general.pdf'))

>>   File "test_pdfgen_general.py", line 796, in run

>>     c = makeDocument(filename)

>>   File "test_pdfgen_general.py", line 725, in makeDocument

>>     c.drawImage(tgif, 4*inch, 9.25*inch, w, h, mask='auto')

>>   File

>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/reportlab/pdfgen/canvas.py",

>> line 629, in drawImage

>>     imgObj = pdfdoc.PDFImageXObject(name, image, mask=mask)

>>   File

>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/reportlab/pdfbase/pdfdoc.py",

>> line 1840, in __init__

>>     self.loadImageFromA85(src)

>>   File

>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/reportlab/pdfbase/pdfdoc.py",

>> line 1846, in loadImageFromA85

>>     imagedata = map(string.strip,pdfutils.makeA85Image(source,IMG=IMG))

>>   File

>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/reportlab/pdfbase/pdfutils.py",

>> line 35, in makeA85Image

>>     raw = img.getRGBData()

>>   File

>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/reportlab/lib/utils.py",

>> line 612, in getRGBData

>>     self._data = im.tostring()

>>   File

>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/PIL/Image.py",

>> line 513, in tostring

>>     self.load()

>>   File

>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/PIL/ImageFile.py",

>> line 180, in load

>>     d = Image._getdecoder(self.mode, d, a, self.decoderconfig)

>>   File

>> "/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/PIL/Image.py",

>> line 375, in _getdecoder

>>     raise IOError("decoder %s not available" % decoder_name)

>> IOError: decoder jpeg not available

>>

>> ----------------------------------------------------------------------

>> Ran 1 test in 0.321s

>>

>> FAILED (errors=1)

>>

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