[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

Changes by Steve Dower :


--
resolution:  -> fixed
stage: test needed -> resolved
status: open -> closed

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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Łukasz Langa]

Łukasz Langa added the comment:

This is marked as "critical". Looks like it's fixed. Can we close it?

--
nosy: +lukasz.langa

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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

Steve Dower added the comment:


New changeset 1aceb024172ea3d6f9dd6e90f4fbe63ea1fb054e by Steve Dower in branch 
'master':
bpo-29624: Adds purge step and layout test after uploading files. (#258)
https://github.com/python/cpython/commit/1aceb024172ea3d6f9dd6e90f4fbe63ea1fb054e


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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

Steve Dower added the comment:


New changeset e29741466df0cd01a49bf5ec3b1df3e2bad119a7 by Steve Dower in branch 
'3.5':
bpo-29624: Adds purge step and layout test after uploading files. (#258) (#263)
https://github.com/python/cpython/commit/e29741466df0cd01a49bf5ec3b1df3e2bad119a7


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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

Steve Dower added the comment:


New changeset f2beceb7e54fadc507137f86cbe9d74f7e5b8f7c by Steve Dower in branch 
'3.6':
bpo-29624: Adds purge step and layout test after uploading files. (#258) (#264)
https://github.com/python/cpython/commit/f2beceb7e54fadc507137f86cbe9d74f7e5b8f7c


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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

Changes by Steve Dower :


--
pull_requests: +235

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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

Changes by Steve Dower :


--
pull_requests: +236

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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

Steve Dower added the comment:

I have built an updated web installer which should allow us to replace just the 
one file on the server to fix the issue. The only downside is that it is not 
compatible with existing installs of 3.5.3 (that is, you can't run the 
executable to Modify/Repair/Remove an existing install, but unless you've 
corrupted your machine you can do those through Programs and Features).

If anyone would like to test it, I've attached the file here. I've done one 
test on my own machine (separate from the build machine) including installing 
the launcher and all optional components and it was fine, but some more 
validation before I replace the existing executable would be nice.

(Added RM Larry as FYI. This doesn't affect anything else.)

AFAICT so far, it appears to have been a build glitch where the launcher MSI 
was rebuilt in between 32-bit and 64-bit builds (the weird part here is that 
the rebuild was correct and the initial build was wrong, which is backwards 
from what I'd expect...). The upload included the rebuilt MSI but the 
bootstrapper was expecting the initial build.

I'm still trying to track down why that happened, but in the meantime I've 
added a test (PR 258) to my upload script that will detect problems like this 
before we announce the release.

--
nosy: +larry
Added file: http://bugs.python.org/file46665/python-3.5.3-webinstall.exe

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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

Changes by Steve Dower :


--
pull_requests: +228

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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

Steve Dower added the comment:

Creating a repaired installer is possible, though risky (it's easy when I still 
have the original build handy, but at this stage a rebuild will produce 
different hashes and make things worse). But I intend to look into that as soon 
as I can.

If the launcher is not already installed, or if an older version is installed, 
it will be selected by default. So it's a little harder to avoid, and more 
likely to cause problems for people who don't have 3.6.

There's a command line option to just install the launcher (LauncherOnly=1), 
but nothing in the UI. However, if you install and then uninstall Python, the 
launcher is left behind (must be uninstalled separately), so that's one way to 
get it. I'd suggest add/remove Python 3.6, as that will get the latest version 
of the launcher.

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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Tim Golden]

Tim Golden added the comment:

Since the webmaster@ address tends to bear the brunt of these, can I 
make sure I understand the situation?

* The only installers affected are those for x86/32-bit Windows 3.5.3

* By default [I just checked] the launcher checkbox is not checked

* If it *is* checked by the user, the entire install will abort

* If it is left unchecked, the install will succeed and it is then 
possible to run the x64 installer and select only the installer option.

Is there a possibility of producing a repaired installer? And/or should 
we hide that specific set of installers for the moment?

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[issue29624] Python 3.5.3 x86 web installer cannot install launcher

[Steve Dower]

New submission from Steve Dower:

For some reason, the install bootstrapper for 3.5.3 x86 embedded the wrong hash 
value for launcher.msi. As a result, it will fail to download the file and 
install will be aborted.

The workaround is to deselect the launcher from being installed, and use the 
64-bit installer to install the launcher. Or alternatively, install Python 3.6 
to get the later version of the installer, which will then automatically skip 
it for the 3.5 installer.

Python 3.6 is unaffected, so this may just have been a build glitch, but it 
needs investigation and testing so it doesn't happen again. (Adding a /layout 
test after uploading is an easy way to test this.)

--
assignee: steve.dower
components: Windows
messages: 288379
nosy: paul.moore, steve.dower, tim.golden, zach.ware
priority: critical
severity: normal
stage: test needed
status: open
title: Python 3.5.3 x86 web installer cannot install launcher
type: crash
versions: Python 3.5

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