Re: [Mailman-Users] Downgrade options/alternatives

[Mark Sapiro]

On 11/12/15 1:28 PM, Montanez, Victor wrote:
> 
> I have checked the update script but I get some errors when trying to run the 
> bin/update --force . I think this has to do with the import statements 
> specified on the script. But I can say I do see the version I rolled back to 
> through the web interface (which does appear to have rolled back 
> successfully).
> 
> Thank you
> 
> $ bin/update --help
> Traceback (most recent call last):
>   File "bin/update", line 46, in 
> import paths
> ImportError: No module named paths


This is very strange. There must be a paths.py module in Mailman's bin/
directory or pretty much non of Mailman's bin/ commands will run.
Possibly the user you ran it as does not have permission to read
bin/paths.py.

-- 
Mark Sapiro The highway is for gamblers,
San Francisco Bay Area, Californiabetter use your sense - B. Dylan
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Re: [Mailman-Users] Downgrade options/alternatives

[Montanez, Victor]

Ah got it. Thank you. I was looking on the wrong location, using the wrong 
"update" script. I ran it and it updated properly.

Thank you



-Original Message-
From: Mark Sapiro [mailto:m...@msapiro.net] 
Sent: Friday, November 13, 2015 9:02 AM
To: Montanez, Victor; mailman-users@python.org
Subject: Re: [Mailman-Users] Downgrade options/alternatives


On 11/12/15 1:28 PM, Montanez, Victor wrote:
>
> I have checked the update script but I get some errors when trying to run the 
> bin/update --force . I think this has to do with the import statements 
> specified on the script. But I can say I do see the version I rolled back to 
> through the web interface (which does appear to have rolled back 
> successfully).
>
> Thank you
>
> $ bin/update --help
> Traceback (most recent call last):
>   File "bin/update", line 46, in 
> import paths
> ImportError: No module named paths


This is very strange. There must be a 
https://urldefense.proofpoint.com/v2/url?u=http-3A__paths.py=BQIC-g=hLS_V_MyRCwXDjNCFvC1XhVzdhW2dOtrP9xQj43rEYI=CNBJ5WQxVRyGeDTLL7hLtA=wvZdR3Nfu5vXQHaIJcr6TuCU3HyNyUUPmHSryKuhFXQ=AscK60oiU0TF9Sl8VpEEnuzis07VcF3zmfm6YFLM26U=
  module in Mailman's bin/
directory or pretty much non of Mailman's bin/ commands will run.
Possibly the user you ran it as does not have permission to read
bin/paths.py.

--
Mark Sapiro <m...@msapiro.net>The highway is for gamblers,
San Francisco Bay Area, Californiabetter use your sense - B. Dylan
--
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Re: [Mailman-Users] Downgrade options/alternatives

[Montanez, Victor]

Hello Mark,

Thank you for the information/confirmation.  Knowing that the only thing left 
to do is to update the file on the last mailman version makes me feel more 
confident that all functional pieces were successfully rolled back. And that 
will make me feel better about upgrading soon. 

I have checked the update script but I get some errors when trying to run the 
bin/update --force . I think this has to do with the import statements 
specified on the script. But I can say I do see the version I rolled back to 
through the web interface (which does appear to have rolled back successfully).

Thank you

$ bin/update --help
Traceback (most recent call last):
  File "bin/update", line 46, in 
import paths
ImportError: No module named paths


>Actually, you did do the downgrade. Only the final running of Mailman's
>bin/upgrade did not succeed. You can run it with the -f or --force
>option to make it succeed, but it won't do anything anyway except maybe
>update Mailman's data/last_mailman_version. See 'bin/upgrade --help'.




-Original Message-
From: Mailman-Users [mailto:mailman-users-bounces+vxmr=pge@python.org] On 
Behalf Of Mark Sapiro
Sent: Thursday, November 12, 2015 12:01 PM
To: mailman-users@python.org
Subject: Re: [Mailman-Users] Downgrade options/alternatives

On 11/12/15 10:14 AM, Montanez, Victor wrote:
>
> Hello,
>
> I have done a successful upgrade from Mailman version 2.1.16 to 2.1.20 
> successfully. I am now testing the downgrade (In case some issue comes up and 
> I have to rollback) and it seemed to have gone okay for the most part.
>
> At the of the end of the downgrade I get the following message(which I have 
> googled around but no real alternative given).
>
>
> Downgrade detected, from version 0x20114f0 to version 0x20110f0
>
> This is probably not safe.
>
> Exiting.
>
> make: *** [update] Error 1
>
>
>
> I understand is a downgrade, that is what I want to do. But it looks like 
> "downgrading" isn't really supported in Mailman. What is a recommended 
> alternative for having a way to go back to previous Mailman version?


Actually, you did do the downgrade. Only the final running of Mailman's
bin/upgrade did not succeed. You can run it with the -f or --force
option to make it succeed, but it won't do anything anyway except maybe
update Mailman's data/last_mailman_version. See 'bin/upgrade --help'.

--
Mark Sapiro <m...@msapiro.net>The highway is for gamblers,
San Francisco Bay Area, Californiabetter use your sense - B. Dylan
--
Mailman-Users mailing list Mailman-Users@python.org

--
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Re: [Mailman-Users] Downgrade options/alternatives

[Mark Sapiro]

On 11/12/15 10:14 AM, Montanez, Victor wrote:
> 
> Hello,
> 
> I have done a successful upgrade from Mailman version 2.1.16 to 2.1.20 
> successfully. I am now testing the downgrade (In case some issue comes up and 
> I have to rollback) and it seemed to have gone okay for the most part.
> 
> At the of the end of the downgrade I get the following message(which I have 
> googled around but no real alternative given).
> 
> 
> Error:
> Compiling  i18n.py ...
> 
> Compiling versions.py ...
> 
> Downgrade detected, from version 0x20114f0 to version 0x20110f0
> 
> This is probably not safe.
> 
> Exiting.
> 
> make: *** [update] Error 1
> 
> 
> 
> I understand is a downgrade, that is what I want to do. But it looks like 
> "downgrading" isn't really supported in Mailman. What is a recommended 
> alternative for having a way to go back to previous Mailman version?


Actually, you did do the downgrade. Only the final running of Mailman's
bin/upgrade did not succeed. You can run it with the -f or --force
option to make it succeed, but it won't do anything anyway except maybe
update Mailman's data/last_mailman_version. See 'bin/upgrade --help'.

-- 
Mark Sapiro The highway is for gamblers,
San Francisco Bay Area, Californiabetter use your sense - B. Dylan
--
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[Mailman-Users] Downgrade options/alternatives

[Montanez, Victor]

Hello,

I have done a successful upgrade from Mailman version 2.1.16 to 2.1.20 
successfully. I am now testing the downgrade (In case some issue comes up and I 
have to rollback) and it seemed to have gone okay for the most part.

At the of the end of the downgrade I get the following message(which I have 
googled around but no real alternative given).


Error:
Compiling  i18n.py ...

Compiling versions.py ...

Downgrade detected, from version 0x20114f0 to version 0x20110f0

This is probably not safe.

Exiting.

make: *** [update] Error 1



I understand is a downgrade, that is what I want to do. But it looks like 
"downgrading" isn't really supported in Mailman. What is a recommended 
alternative for having a way to go back to previous Mailman version?

Thank you
--
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https://mail.python.org/mailman/listinfo/mailman-users
Mailman FAQ: http://wiki.list.org/x/AgA3
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