[issue16136] Removal of VMS support

[Jesús Cea Avión]

Jesús Cea Avión added the comment:

I think this is a good plan. Legacy platforms can me maintained by interested 
parties as a friendly fork.

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[issue16136] Removal of VMS support

[John Malmberg]

John Malmberg added the comment:

Most of the issues needed to build python3 properly on VMS involve either bugs 
in the VMS C API that need to be worked around or missing libraries that 
Python3 expects to have.

As none of the Python developers should need to care about this, and these 
issues are common to ports of other VMS projects, I plan to do the following 
unless someone objects:

1. Create a new issue tracker here to document what it takes to attempt build 
the in development branch of Python on VMS, and try keep it up to date with 
significant issues found.

2. Create a mercurial repository on the vms-ports sourceforge site that 
contains the additional VMS specific files that are needed to build the in 
development branch.  I will also create a VMS specific discussion there about 
the more detailed status of the port progress.

3. Where cases are actually found where the issue is in python, such as 
posixmodule.c overriding the configure files to assume fork is present when 
configure detected it was not, a ticket here will be filed.

If someone then shows up inquiring at the status of VMS, then they can be 
pointed at that new ticket.

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[issue16136] Removal of VMS support

[Sandeep Mathew]

Sandeep Mathew added the comment:

It does build with some tweaking here and there. But I ran into runtime
issues. I am sorry, I cannot dedicate time on it further.  IMHO anything
built for VMS should use VMS specific API's in the way they are designed
for stability and performance reasons, some more code needs to be written.

Regards
Sandeep Mathew
On Tue, Jun 17, 2014 at 12:31 AM, John Malmberg 
wrote:

>
> John Malmberg added the comment:
>
> Does not look like anything vital to VMS got removed.
>
> Configure basically worked under current GNV.
>
> And a few tweaks later with out changing any files checked out of the
> Mercurial repository, make is producing a functional python binary before
> it quits.
>
> bash-4.2$ ./python notdeadyet.py
> I'm not Dead Yet, I think I'll go for a Walk
> bash-4.2$ ./python
> Python 3.5.0a0 (default, Jun 17 2014, 00:03:16) [C] on openvms0
> Type "help", "copyright", "credits" or "license" for more information.
> >>>  Exit
> bash-4.2$ uname -a
> OpenVMS EAGLE 0 V8.4 AlphaServer_DS10_617_MHz Alpha Alpha HP/OpenVMS
>
> More work is needed of course, mostly adding some more libraries that
> Python is expecting and showing GNV how to have configure and make find
> them.  A lot of compile warnings need to be resolved.
>
> --
>
> ___
> Python tracker 
> 
> ___
>

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[issue16136] Removal of VMS support

[John Malmberg]

John Malmberg added the comment:

Does not look like anything vital to VMS got removed.

Configure basically worked under current GNV.

And a few tweaks later with out changing any files checked out of the Mercurial 
repository, make is producing a functional python binary before it quits.

bash-4.2$ ./python notdeadyet.py
I'm not Dead Yet, I think I'll go for a Walk
bash-4.2$ ./python
Python 3.5.0a0 (default, Jun 17 2014, 00:03:16) [C] on openvms0
Type "help", "copyright", "credits" or "license" for more information.
>>>  Exit
bash-4.2$ uname -a
OpenVMS EAGLE 0 V8.4 AlphaServer_DS10_617_MHz Alpha Alpha HP/OpenVMS

More work is needed of course, mostly adding some more libraries that Python is 
expecting and showing GNV how to have configure and make find them.  A lot of 
compile warnings need to be resolved.

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[issue16136] Removal of VMS support

[STINNER Victor]

Changes by STINNER Victor :


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[issue16136] Removal of VMS support

[Roundup Robot]

Roundup Robot added the comment:

New changeset 48126f225f10 by Victor Stinner in branch '3.4':
Issue #16136: VMSError is done, bye bye VMS
http://hg.python.org/cpython/rev/48126f225f10

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[issue16136] Removal of VMS support

[Roundup Robot]

Roundup Robot added the comment:

New changeset 75b18ff66e41 by Victor Stinner in branch 'default':
Issue #16136: VMSError is done, bye bye VMS
http://hg.python.org/cpython/rev/75b18ff66e41

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[issue16136] Removal of VMS support

[John Malmberg]

John Malmberg added the comment:

Encompasserve.org is now back up.  It took a little longer than expected.

Should be no issues now in getting free hobby license keys for VMS on VAX, 
Alpha, and Itanium by using the web forms.

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[issue16136] Removal of VMS support

[Marc-Andre Lemburg]

Changes by Marc-Andre Lemburg :


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assignee: lemburg -> christian.heimes

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[issue16136] Removal of VMS support

[Marc-Andre Lemburg]

Marc-Andre Lemburg added the comment:

On 21.12.2013 16:31, Christian Heimes wrote:
> 
> All VMS code has been removed except for some code in Lib/platform.py.
> 
> MAL:
> Do you want to keep the code in the platform module?

The platform.py module is intended to be usable by several Python versions,
so I think it's better to keep the code around for a little longer.

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[issue16136] Removal of VMS support

[John Malmberg]

John Malmberg added the comment:

Access to VMS licenses and media:

1. Hobby - non-commercial applications - Free with 1 year time-bombed license 
keys with free media download.  A self-service mostly web based system.

http://www.openvms.org/pages.php?page=Hobbyist

Easiest way to get a membership ID is to join Encompasserve.org which is free.

Unfortunately right now, HP is in their holiday shutdown and Encompasserve.org 
is being relocated from Wisconsin to Massachusetts.

Both should be back available sometime in the beginning of January 2014.

2. Commercial - Company Alliance One Membership.  It is my understanding that 
upon acceptance to the program, 1 year time-bombed license keys are available 
with free.  Search for "Alliance One" on the HP site.

This has been the case for well over 10 years, so VMS programmers for open 
source projects should normally have no problem getting current media or 
license keys.

There are several free Alpha emulators now available for download.  These are 
less functional versions of the commercial versions of the emulator.

While there are also commercial VAX emulators that may be available, SimH VAX 
is free and open source.

Resources: comp.os.vms newsgroup, www.openvmshobbyist.com, sourceforge GNV and 
vms-ports projects, encompasserve.org, and www.openvms.org


GNV:

GNV as packaged by HP has multiple problems.  To use it at a minimum you need 
to install the newer Bash and Coreutils kits from the GNV sourceforge project.  
Read http://sourceforge.net/p/gnv/wiki/InstallingGNVPackages/ before installing 
the updates.

Running configure scripts on GNV typically requires some hacks because most 
configure scripts test with out the header files, and on VMS, the header files 
are needed to get ANSI/ISO or X/Open behavior or bug-fixes.  Otherwise the 
tests fail.

Instructions: http://sourceforge.net/p/vms-ports/wiki/GeneratingConfigh/


As far as removing the VMS specific code, it is very likely that much of the 
VMS specific code is not needed for the current 8.3/8.4 versions of VMS, so it 
is probably better for a someone porting Python 3.x to VMS to start with clean 
code.

If a VMS library routine is missing or does not behave properly, it is better 
handled with a replacement routine than by putting #ifdef in the code.

--
nosy: +John.Malmberg
status: pending -> open

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[issue16136] Removal of VMS support

[Christian Heimes]

Christian Heimes added the comment:

All VMS code has been removed except for some code in Lib/platform.py.

MAL:
Do you want to keep the code in the platform module?

--
assignee:  -> lemburg
nosy: +lemburg
resolution:  -> fixed
stage:  -> committed/rejected
status: open -> pending

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[issue16136] Removal of VMS support

[Roundup Robot]

Roundup Robot added the comment:

New changeset 568391b3eda9 by Christian Heimes in branch 'default':
Issue #16136: Remove VMS support and VMS-related code
http://hg.python.org/cpython/rev/568391b3eda9

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[issue16136] Removal of VMS support

[Christian Heimes]

Christian Heimes added the comment:

Unless somebody says otherwise I'm going to remove VMS-related code over the 
course of the next couple of days.

PEP 11 says:
Name: VMS (issue 16136)
Unsupported in: Python 3.3
Code removed in: Python 3.4

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[issue16136] Removal of VMS support

[Jesús Cea Avión]

Jesús Cea Avión added the comment:

Possibly relevant:

http://www.theregister.co.uk/2013/06/10/openvms_death_notice/

http://www.openvms.org/stories.php?story=13/06/06/2422149

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[issue16136] Removal of VMS support

[Sandeep Mathew]

Sandeep Mathew added the comment:

Sorry for late response. I got delayed , I am working on it .

Regards
Sandeep Mathew

2013/3/9 Jesús Cea Avión :
>
> Jesús Cea Avión added the comment:
>
> Ping...
>
> --
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[issue16136] Removal of VMS support

[Jesús Cea Avión]

Jesús Cea Avión added the comment:

Ping...

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[issue16136] Removal of VMS support

[Sandeep Mathew]

Sandeep Mathew added the comment:

Hey,
I was given access to HP's open source VMS cluster, Many thanks to HP. I should 
be able to continue python development for VMS. I shall ping you guys in case I 
get stuck. I should be good to go 

--Thomas

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[issue16136] Removal of VMS support

[Trent Nelson]

Trent Nelson added the comment:

Ah, I forgot about the VOE stuff.  That will work a lot better.  I'll still 
need to acquire VMS media though.

You're not a committer are you?  I can sort you out with access to Snakebite 
anyway -- email me your ssh key if you're interested (trent at snakebite.org).

I'd recommend dropping by #python-dev on irc.freenode.net too.

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[issue16136] Removal of VMS support

[Sandeep Mathew]

Sandeep Mathew added the comment:

I have asked HP for access to a VMS box so that I restart my work. I initially 
checked with the university to see if I can get hold of an Itanium box. 

@Trent : If you have HP - UX already running, you may make use of Hyper-V to 
get vms running without changing the existing the HP-UX installation.

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[issue16136] Removal of VMS support

[Trent Nelson]

Trent Nelson added the comment:

On Mon, Oct 22, 2012 at 11:18:03AM -0700, Christian Heimes wrote:
> 
> Christian Heimes added the comment:
> 
> We don't have any box that is capable of running VMS. Even Trent's
> Snakebit setup doesn't have VMS although he has lots of exotic
> hardware and OS, even HP-UX on a PA-RISC machine.

I actually do have a box set aside for VMS.  It's a quad Itanium2
with ~24-32GB of RAM (same hardware as the 'titanium' HP-UX box).

I just haven't set it up yet due to lack of interest.  First thing
I'll need is OpenVMS media/licenses.  I'll ping HP and see if they
can assist.

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[issue16136] Removal of VMS support

[Christian Heimes]

Christian Heimes added the comment:

We don't have any box that is capable of running VMS. Even Trent's Snakebit 
setup doesn't have VMS although he has lots of exotic hardware and OS, even 
HP-UX on a PA-RISC machine.

It seems to be possible to run VMS on a cluster of RaspberryPi machines [1]. 
The PSF might help out if you need some official contacts to acquire licenses.

[1] 
http://www.electronicsweekly.com/blogs/gadget-master/2012/07/raspberry-pi-emulates-vax-comp.html

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[issue16136] Removal of VMS support

[Christian Heimes]

Changes by Christian Heimes :


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[issue16136] Removal of VMS support

[Sandeep Mathew]

Sandeep Mathew added the comment:

Hi ,

I love VMS very much, I could not concentrate actively on python
because other work commitments ate up most of my time. I have
left my job at HP and am now a PhD student and university of Nevada ,
Reno .  Now that I do not have any professional commitments , I should
be able to work on it in a more timely manner. I had used python for
an internal project in HP.


The problem now I have is that I need access to a VMS  machine. I was
not able to setup a build bot because buildbot needed some ports to be
open , the machine provided HP did not give privilleges to do that.
Another thing was that they wanted me to use gnv to compile python in
VMS . I however did not really agree with it , gnv is buggy and you
need to enable millions to of hacks to gets programs to compile.
Programs written for VMS should be written the VMS way not the unix
way. I was able to get Python 3.x to compile using gnv finally but it would not 
run properly. Is it possible for anyone to provide a VMS box with C Compiler 
and tools ( MMS) so that I can start working on it again. I will try asking HP 
, whether they would allow me to start working on it on the old VMS cluster 
they provided.


--Thomas

--
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[issue16136] Removal of VMS support

[Andrew Svetlov]

Changes by Andrew Svetlov :


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[issue16136] Removal of VMS support

[Antoine Pitrou]

Antoine Pitrou added the comment:

(correction: Python 2 is already supposed to work on VMS)

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[issue16136] Removal of VMS support

[Antoine Pitrou]

Antoine Pitrou added the comment:

If they ported Python 2 on VMS, even though Python 2 is already supposed to 
work on Python 2, it means our compatibility code is broken.

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[issue16136] Removal of VMS support

[STINNER Victor]

STINNER Victor added the comment:

I'm in contact with Sysgroup, a french company which ported Python 2 on VMS.

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[issue16136] Removal of VMS support

[Jesús Cea Avión]

Jesús Cea Avión added the comment:

: host smtp.hp.com[15.193.32.72] said: 550 5.1.1
: Recipient address rejected: User unknown in
virtual alias table (in reply to RCPT TO command)

Looks like he is not in HP anymore. Searching in linkedin I think I have found 
him. Lets try that route.

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[issue16136] Removal of VMS support

[Jesús Cea Avión]

Jesús Cea Avión added the comment:

I am sending an email to Mathew Sandeep. Lets see...

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[issue16136] Removal of VMS support

[Charles-François Natali]

Charles-François Natali added the comment:

> After the blog post, Mathew, Sandeep from HP asked how to help:

It was more than a year ago.
Has something actually be done?

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[issue16136] Removal of VMS support

[Trent Nelson]

Trent Nelson added the comment:

FWIW, I have another Itanium box that I've earmarked for OpenVMS.  I don't 
believe the installation media is readily available for free, though, so I'd 
need to ping HP to try arrange a copy.

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[issue16136] Removal of VMS support

[STINNER Victor]

STINNER Victor added the comment:

Another email from Mathew, Sandeep:
http://mail.python.org/pipermail/python-dev/2011-May/111382.html

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[issue16136] Removal of VMS support

[STINNER Victor]

STINNER Victor added the comment:

After the blog post, Mathew, Sandeep from HP asked how to help:
http://mail.python.org/pipermail/python-dev/2011-May/111367.html

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[issue16136] Removal of VMS support

[STINNER Victor]

STINNER Victor added the comment:

See also:
http://blog.python.org/2011/05/python-33-to-drop-support-for-os2.html

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[issue16136] Removal of VMS support

[STINNER Victor]

STINNER Victor added the comment:

Python on VMS is maybe not completly dead:
http://www.vmspython.org/History

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[issue16136] Removal of VMS support

[Jesús Cea Avión]

New submission from Jesús Cea Avión:

According to PEP-11, we have to remove VMS support.

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messages: 172001
nosy: jcea
priority: normal
severity: normal
status: open
title: Removal of VMS support
versions: Python 3.4

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