Accentuated are not well displayed in my Toolbox made with ArcPy.

For instance :

def __init__(self):
    """Define the tool (tool name is the name of the class)."""
    self.label = "Sample éééé"

Produce the following output while executing from ArcMap :

Sample éééé

é become é

1 Answer 1


ArcMap uses the following encoding cp1252

In order to make accentuated characters well displayed in ArcMap UI.

First add the following import and set encoding to utf-8 at the beginning of your .pyt file.

import sys 

reload is needed because : https://stackoverflow.com/questions/21393758/unicodedecodeerror-ascii-codec-cant-decode-byte-0xe5-in-position-0-ordinal

Then every string you display in the UI must be formated like this :

sampleString = "éééé"    
sampleString.encode('cp1252') #output : éééé
  • 1
    +1 I have just tested and found this to work. I used sampleString = "éééé".encode('cp1252') rather than on two lines.
    – Midavalo
    Feb 22, 2017 at 21:27
  • I am confused though @Marc_Alx, your link doesn't explain why reload() is needed that I can see?
    – Midavalo
    Feb 22, 2017 at 21:30
  • Maybe this question could help on understanding the use of reload though it seems that it's more a 'hack' than a solution due to potential side-effects.
    – Marc_Alx
    Feb 23, 2017 at 9:12

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