[Zope] How to Update files that are already uploaded

[Jonathan]

File objects have a method called 'update_data' which may be of use.  Look in the ZopeBook for details.

Jonathan
  ----- Original Message ----- 
  From: Mike Jakowlew 
  To: zope at zope.org 
  Sent: Thursday, December 01, 2005 12:12 PM
  Subject: [Zope] How to Update files that are already uploaded


  Hi all,

  I'm trying to update a file thats already been uploaded. I can't figure out what command to use, "update_data"/"manage_upload"/"manage_edit". I've settled (so far) on manage_upload but it doesn't work. I get the error: 

  Error Type: AttributeError 
  Error Value:  manage_upload

  my code:
  _________________________________________
  # Takes the filename from a form searches my ZSQL method for the existence of the file, and then should update the file. 

  REQUEST=context.REQUEST
  filename = REQUEST.form.get('file')
  filename=filename.split('\\')[-1]

  result=container.Show_filename_selected(filename=filename)
  if result:
      fname= container.Show_filename_selected (filename=filename).tuples()[0][3]
      context.manage_upload([filename,REQUEST])
      return "File Exists... UPDATE: " + filename
  else:
      return "File Does NOT Exist: " + filename
  _________________________________________ 

  What am I doing wrong? Am I using the wrong command?

  Thanks in advance,
  mjakowlew



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