Message 307884 - Python tracker

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Author	serhiy.storchaka
Recipients	barry, benjamin.peterson, serhiy.storchaka
Date	2017-12-09.09:06:59
SpamBayes Score	-1.0
Marked as misclassified	Yes
Message-id	<1512810419.66.0.213398074469.issue31650@psf.upfronthosting.co.za>
In-reply-to

Content
While we are here, can other changes be made? 1. Increase the size of the constant part of the signature. Currently it is only 2 bytes (3rd and 4th bytes are b'\r\n') and it is hard to use them in tools like `file`. 2. Split the magic number on two parts. The first part encodes backward-incompatible changes and can be updated only in new feature releases. The second part encodes backward compatible changes and can be changed in bugfix releases. 3. Maybe even include the minimal Python version? This would simplify the launcher which needs to map a magic number to Python version.

While we are here, can other changes be made?

1. Increase the size of the constant part of the signature. Currently it is only 2 bytes (3rd and 4th bytes are b'\r\n') and it is hard to use them in tools like `file`.

2. Split the magic number on two parts. The first part encodes backward-incompatible changes and can be updated only in new feature releases. The second part encodes backward compatible changes and can be changed in bugfix releases.

3. Maybe even include the minimal Python version? This would simplify the launcher which needs to map a magic number to Python version.

History
Date	User	Action	Args
2017-12-09 09:06:59	serhiy.storchaka	set	recipients: + serhiy.storchaka, barry, benjamin.peterson
2017-12-09 09:06:59	serhiy.storchaka	set	messageid: <1512810419.66.0.213398074469.issue31650@psf.upfronthosting.co.za>
2017-12-09 09:06:59	serhiy.storchaka	link	issue31650 messages
2017-12-09 09:06:59	serhiy.storchaka	create