Re: [Python-ideas] Add more information in the header of pyc files

On 11 April 2018 at 02:54, Antoine Pitrou wrote: > On Tue, 10 Apr 2018 19:29:18 +0300 > Serhiy Storchaka > wrote: >> >> A bugfix release can fix bugs in bytecode generation. See for example >> issue27286. [1] The part of issue33041 backported to 3.7 and

Re: [Python-ideas] Add more information in the header of pyc files

On Tue, 10 Apr 2018 19:29:18 +0300 Serhiy Storchaka wrote: > > A bugfix release can fix bugs in bytecode generation. See for example > issue27286. [1] The part of issue33041 backported to 3.7 and 3.6 is an > other example. [2] There were other examples of compatible

Re: [Python-ideas] Add more information in the header of pyc files

10.04.18 18:58, Antoine Pitrou пише: On Tue, 10 Apr 2018 18:49:36 +0300 Serhiy Storchaka wrote: 3. The number of compatible subversion. Currently the interpreter supports only a single magic number. If the updated version of the compiler produces more optimal or more

Re: [Python-ideas] Add more information in the header of pyc files

On Tue, 10 Apr 2018 18:49:36 +0300 Serhiy Storchaka wrote: > > 1. More stable file signature. Currently the magic number is changed in > every feature release. Only the third and the forth bytes are stable > (b'\r\n'), the first bytes are changed non-predicable. The 'py'

[Python-ideas] Add more information in the header of pyc files

The format of the header of pyc files was stable for long time and changed only few times. First time it was changed in 3.3: added the size of the corresponding source mod 2**32. [1] Second time it was changed in 3.7: added the 32-bit flags field and support of hash-based pyc files (PEP 552).