Django admin obj.file.path is incorrect?

Hi there,

 

I have to upload a file via django admin and process it in external script right after upload.

When I'm trying to check if file exists in django save_model:

class MyAdmin(admin.ModelAdmin):      def save_model(self, request, obj, form, change):          try:             with open(obj.file_field.path): pass          except IOError:             print 'File doesnt exist.'
        obj.save()

I get an error "File doesnt exist". 


ps. file_field described in models.as:
file_to    = lambda inst, fn: 'files/%s/original%s' % ( inst.url, path.splitext(fn)[1])
file_filed = models.FileField(blank=True, upload_to=file_to)

How do I process a file right after upload before save_model (as I need to save a process_file function return to a model field)?

 

--

wbr,

rush.

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