[Distutils] Why does setuptools sometimes delete and then re-install the exact same egg?

Fadhley Salim Fadhley.Salim at uk.calyon.com
Thu Mar 26 13:47:49 CET 2009

Searching for calyon==1.0-r2009-03-12
Best match: calyon 1.0-r2009-03-12
Processing calyon-1.0_r2009_03_12-py2.4-win32.egg
Copying calyon-1.0_r2009_03_12-py2.4-win32.egg to

What causes this?

I've seen it happen a few times but I'm not sure how to re-produce the

I'm trying to install an egg on a computer where an identical egg
already exists. Why does it remove the egg and then re-install it? I'm
calling easy_install from a script with the options:

['-vv', '-m', '-f', 'R:/OPTIONS/Stephen/python_eggs',

I'm using setuptools 0.6c9
-------------- next part --------------
This email does not create a legal relationship between any member of the 
Cr=E9dit Agricole group and the recipient or constitute investment advice. 
The content of this email should not be copied or disclosed (in whole or 
part) to any other person. It may contain information which is 
confidential, privileged or otherwise protected from disclosure. If you 
are not the intended recipient, you should notify us and delete it from 
your system. Emails may be monitored, are not secure and may be amended, 
destroyed or contain viruses and in communicating with us such conditions 
are accepted. Any content which does not relate to business matters is not 
endorsed by us.

Calyon is authorised by the Comit=e9 des Etablissements de Cr=e9dit et des
Entreprises d'Investissement (CECEI) and supervised by the Commission Bancaire
in France and subject to limited regulation by the Financial Services Authority.
Details about the extent of our regulation by the Financial Services Authority
are available from us on request. Calyon is incorporated in France with limited
liability and registered in England & Wales. Registration number: FC008194.
Registered office: Broadwalk House, 5 Appold Street, London, EC2A 2DA.
This message and/or any  attachments is intended for the sole use of its addressee.
If you are not the addressee, please immediately notify the sender and then destroy the message.
As this message and/or any attachments may have been altered without our knowledge, its content is not legally binding on CALYON Cr?dit Agricole CIB.
All rights reserved.

Ce message et ses pi?ces jointes est destin? ? l'usage exclusif de son destinataire.
Si vous recevez ce message par erreur, merci d'en aviser imm?diatement l'exp?diteur et de le d?truire ensuite.
Le pr?sent message pouvant ?tre alt?r? ? notre insu, CALYON Cr?dit Agricole CIB ne peut pas ?tre engag? par son contenu.
Tous droits r?serv?s.

More information about the Distutils-SIG mailing list