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Title: x86 Tiger buildbot needs __future__ with_statement
Type: compile error Stage: resolved
Components: Build Versions: Python 3.6
Status: closed Resolution: fixed
Dependencies: Superseder:
Assigned To: Nosy List: db3l, gregory.p.smith, martin.panter, ned.deily
Priority: normal Keywords: buildbot

Created on 2016-09-09 07:54 by martin.panter, last changed 2022-04-11 14:58 by admin. This issue is now closed.

Messages (7)
msg275282 - (view) Author: Martin Panter (martin.panter) * (Python committer) Date: 2016-09-09 07:54
Revision 7eaaac5ad4e8 removed a bunch of “with_statement” __future__ imports, including in Tools/hg/ This is causing a buildbot to fail; presumably it has Python < 2.6 for Mercurial:
Tools/hg/ Warning: 'with' will become a reserved keyword in Python 2.6
*** failed to import extension touch from Tools/hg/ invalid syntax (, line 22)
hg: unknown command 'touch'

The compile step subsequently seems to regenerate a file and fails.

What was the reason to remove these __future__ imports? Maybe only remove them from Python 3-only code.
msg275333 - (view) Author: Ned Deily (ned.deily) * (Python committer) Date: 2016-09-09 16:33
We could also ask David, the buildbot owner, if he could update the Python used for hg.  I'm pretty sure it's not the system Python since that's too old.
msg275434 - (view) Author: Gregory P. Smith (gregory.p.smith) * (Python committer) Date: 2016-09-09 20:48
Why do we even have a Tiger buildbot in 2016?  MacOS X Tiger 10.4 was released in 2005.  It is 11 years old.  Support for it from Apple ended 7 years ago in 2009.
msg275471 - (view) Author: David Bolen (db3l) * Date: 2016-09-09 22:19
It's been on the cusp of shutdown a few times now, but tweaks to maintain compatibility for the occasional issue always seem to materialize (thanks to Ned in many cases).

To Ned's question, the slave is currently operating under 2.5.1 which I must have set up since Tiger originally came with 2.3.  I'm sure I could bump that to 2.6+ to avoid the error if there's still value.  It would probably be less work if the installer script could still use 2.5.1 if only because I'm not sure of what other dependencies it uses I might need to fix along with Python.

Gregory, while the slave's value purely as a test platform is probably close to non-existent at this point, another contributor to its longevity is that it still builds daily DMG installers (the bolen-dmg build slave).  So that had remained useful beyond plain testing.  I'm not positive if it's still true, but for OSX it used to be better to use the oldest build platform you could as Apple wasn't very good about backwards compatibility of builds on newer versions.  And originally Tiger was the only free machine I had.

With that said, it's not clear anyone still references the daily DMGs any more, or gets much benefit from them.  So I'm not wedded to keeping this operating, if instead it's finally reached the time for retirement.

-- David
msg275502 - (view) Author: David Bolen (db3l) * Date: 2016-09-09 23:54
I've bumped the tiger default python to 2.7.12 and updated hg to use it (bumping to 3.9.1 in the process).  It appears to have fixed the current touch and compile errors.  I've restarted builds for the most recent commits.

The need for a tiger slave is still up for debate, but can be separate from this issue.

-- David
msg275559 - (view) Author: Martin Panter (martin.panter) * (Python committer) Date: 2016-09-10 03:44
Okay happy to close this then
msg275568 - (view) Author: Ned Deily (ned.deily) * (Python committer) Date: 2016-09-10 05:12
Thanks, David!
Date User Action Args
2022-04-11 14:58:36adminsetgithub: 72226
2016-09-10 05:12:12ned.deilysetmessages: + msg275568
2016-09-10 03:44:59martin.pantersetstatus: open -> closed
resolution: fixed
messages: + msg275559

stage: resolved
2016-09-09 23:54:01db3lsetmessages: + msg275502
2016-09-09 22:19:30db3lsetmessages: + msg275471
2016-09-09 20:48:47gregory.p.smithsetmessages: + msg275434
2016-09-09 16:33:15ned.deilysetnosy: + ned.deily, db3l
messages: + msg275333
2016-09-09 07:54:01martin.pantercreate