[Pyobjc-dev] NSImage, initWithContentsOfFile_, and Bus error

[<ytrewq1@em...>]

I get a Bus error for the following:

from AppKit import *
import sys

icon = NSImage.alloc().init()
if icon is None:
    sys.stderr.write('failed in create NSImage')
    sys.exit(1)

try:
    icon = icon.initWithContentsOfFile_(u'/hello.png')
except:
    pass

I think it's my fault for specifying the path of a file
that doesn't exist and initWithContentsOfFile_ is
dying.  Is it possible to handle this failure though?

In general, even if I check whether a file exists before
making the call, there's no guarantee that the file will
exist by the time the call is made, right?
-- 
  
  ytrewq1@...

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[Pyobjc-dev] NSImage, initWithContentsOfFile_, and Bus error

[<ytrewq1@em...>]

I get a Bus error for the following:

from AppKit import *
import sys

icon = NSImage.alloc().init()
if icon is None:
    sys.stderr.write('failed in create NSImage')
    sys.exit(1)

try:
    icon = icon.initWithContentsOfFile_(u'/hello.png')
except:
    pass

I think it's my fault for specifying the path of a file
that doesn't exist and initWithContentsOfFile_ is
dying.  Is it possible to handle this failure though?

In general, even if I check whether a file exists before
making the call, there's no guarantee that the file will
exist by the time the call is made, right?
-- 
  
  ytrewq1@...

-- 
http://www.fastmail.fm - Email service worth paying for. Try it for free

Re: [Pyobjc-dev] NSImage, initWithContentsOfFile_, and Bus error

[Bob Ippolito <bob@re...>]

On Jun 27, 2005, at 2:06 AM, ytrewq1@... wrote:

> I get a Bus error for the following:
>
> from AppKit import *
> import sys
>
> icon = NSImage.alloc().init()
> if icon is None:
>     sys.stderr.write('failed in create NSImage')
>     sys.exit(1)
>
> try:
>     icon = icon.initWithContentsOfFile_(u'/hello.png')
> except:
>     pass
>
> I think it's my fault for specifying the path of a file
> that doesn't exist and initWithContentsOfFile_ is
> dying.  Is it possible to handle this failure though?
>
> In general, even if I check whether a file exists before
> making the call, there's no guarantee that the file will
> exist by the time the call is made, right?

You're calling initialization methods twice, don't do that.

you're doing:

icon = NSImage.alloc().init().initWIthContentsOfFile_(CRASH)

the correct code is:

icon = NSImage.alloc().initWIthContentsOfFile_(NOCRASH)

-bob

Re: [Pyobjc-dev] NSImage, initWithContentsOfFile_, and Bus error

[<ytrewq1@em...>]

On Mon, 27 Jun 2005 02:43:20 -0400, "Bob Ippolito" <bob@...>
said:
>=20
>=20
> You're calling initialization methods twice, don't do that.

Doh!

Thanks for straightening me out :-)
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=20=20
  ytrewq1@...

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