Perspective CSV File Upload Not Matching CSV File

[PGriffith]

event.file.getBytes() is returning, as the name implies, the byte array (binary) contents of the file.
To decode it as text, you need to assume a character encoding, such as UTF-8. You need to make a string-like, file-like object for Python's csv module, which you can do with the StringIO module:

Perspective onFileReceived - CSV

If you want to use Python’s built-in csv module, you need to construct a file-like object to pass to the reader. Luckily, Python also predicted the idea of interpreting a string in memory as a ‘file-like’ object, so the StringIO module already exists. What you want is probably something like this: from StringIO import StringIO fileContents = event.file.getString("UTF-8") reader = csv.DictReader(StringIO(fileContents)) for row in reader: print row