[reportlab-users] Return a file object rather than save afile...

[Roberto Alsina]

On Friday 02 October 2009 08:43:37 Andy Robinson wrote:

> 2009/10/2 Brower Jason <Jason.Brower at kone.com>:

> > Somehow I need to make the save work with the output and I am am just to

> > know with this file object stuff to know what to do.

> 

> Here's how to save your PDF as a string in memory.

> 

>  buf = StringIO.StringIO()

> 

>   c = Canvas(buf)

> 

> 

>   #do your drawing here

> 

> 

>   c.save()    #PDF file is written into the buffer at this point

> 

> 

>   #extract contents as a byte string

>   buf.reset()

>   rawPdfFileContent = buf.read()

> 

> You then pass this to the response.   If it was Django, I could write

> to the response object (which is file-like), so I could do this and

> cut out the StringIO...

> 

>   response.setContentType('application/pdf')

>   c = Canvas(response)

>   ....

>   c.save()


Isn't this faster?

buf = cStringIO.StringIO()
c=Canvas(buf)
#do your drawing
c.save()
rawPdfFileContent = buf.getvalue()

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