I'm working on a script to generate UPS shipping labels and save them on
our server. The shipping labels are passed as binary data in an XML file
from UPS. I am using the ClassicUPS library to parse the XML file and save
the data.
I wrote a simple script to test the library, and it works OK when I run it
on the command line. However, when I include the function to save the file
in a controller, the saved files are corrupted. If I use Imagemagick to
read the file, it returns the error 'improper image header'. The function
in the library that saves the data is:
def save_label(self, fd):
raw_epl =
self.accept_result.dict_response['ShipmentAcceptResponse']['ShipmentResults']['PackageResults']['LabelImage']['GraphicImage']
binary = a2b_base64(raw_epl)
fd.write(binary)
I call the function using:
shipment.save_label(open('label.gif','wb'))
where shipment is a shipping label object produced by the library.
Does web2py do something that would corrupt the header?
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