[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Steve Dower]

Steve Dower  added the comment:

Distutils is now deprecated (see PEP 632) and all tagged issues are being 
closed. From now until removal, only release blocking issues will be considered 
for distutils.

If this issue does not relate to distutils, please remove the component and 
reopen it. If you believe it still requires a fix, most likely the issue should 
be re-reported at https://github.com/pypa/setuptools

--
nosy: +steve.dower
resolution:  -> out of date
stage: needs patch -> resolved
status: open -> closed

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[sorin]

Changes by sorin :


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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Brian Curtin]

Changes by Brian Curtin :


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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Serhiy Storchaka]

Changes by Serhiy Storchaka :


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Removed message: http://bugs.python.org/msg263973

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[SilentGhost]

Changes by SilentGhost :


--
versions:  -Python 3.1, Python 3.3

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[lissacoffey]

lissacoffey added the comment:

This bug is a really annoying one, any chance it will be fixed in 2.7? It's 
really a matter when you want to deploy a program using distutils (my case), 
because you cannot really require your clients to edit the registry themselves 
:/
Thanks
http://www.fixithere.net/sky-contact-number/

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Piotr Dobrogost]

Changes by Piotr Dobrogost :


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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Christopher Benson]

Changes by Christopher Benson :


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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Martin v . Löwis]

Martin v. Löwis added the comment:

Erik: the issue is about bdist_wininst, not bdist_msi (bdist_msi has a similar 
issue, but it is entirely different in its causes and potential resolution, and 
shall not be discussed here).

The code to find the installations is in 
PC/bdist_wininst/install.c:GetPythonVersions. The code to run the installscript 
is in run_installscript.

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Erik Purins]

Erik Purins added the comment:

I would like to investigate this issue, but I need more information regarding 
the bug and the expected behavior. Is this specifically that an x64 windows 
python that generates a bdist (msi output) runs and can't find the x64 
interpreter because of syswow registry redirection? That is, packaging should 
be able to find the interpreter bitness that generated the msi in the first 
place (and no-other bitness)?

There are python sprints this week at PyCon, but I cannot attend them. 
Clarifying the expected behavior this week will help me write tests and 
investigate/fix (if it is in my ability).

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Erik Purins]

Changes by Erik Purins :


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nosy: +epu

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Roy Jacobson]

Roy Jacobson added the comment:

This bug is a really annoying one, any chance it will be fixed in 2.7? It's 
really a matter when you want to deploy a program using distutils (my case), 
because you cannot really require your clients to edit the registry themselves 
:/

Is there any problem with just adding the x32 compatibility path entry to the 
python x64 .msi? It's a very easy fix that shouldn't cause any harm.

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Martin v . Löwis]

Martin v. Löwis  added the comment:

> If priority escalation is out of the question

It's not out of the question - it's just that setting the priority on
the issue is not a proper way to escalate.

Instead, there are two forms of escalation available:
1. submit a patch that fixes the issue
2. pay somebody to fix the issue if you can't fix it yourself

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Brian Curtin]

Brian Curtin  added the comment:

Without a patch or a solution, the priority doesn't really matter (like Tarek 
said in msg127630). If anyone is actively working on this feel free to say 
otherwise, but I see no status to update.

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[vr gamer]

vr gamer  added the comment:

I'm not certain that I agree with the argument used to justify keeping this as 
a 'normal' priority issue. Apparently, since it doesn't effect the entire 
python community and being as there is no readily available solution, the 
decision is to treat it as a minor problem. Were one to apply the same logic 
to, what say, epidemiology, then I suppose the lack of a vaccine for HIV would 
not be a particularly pressing issue either. 

If priority escalation is out of the question, can we at least have an update? 
After three years of workarounds, I'm beginning to suspect that the idea is to 
wait until the effected packages become deprecated and then declare 'solved!'.

--
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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Eli_B]

Changes by Eli_B :


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nosy: +Eli_B

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Jason R. Coombs]

Changes by Jason R. Coombs :


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nosy: +jaraco

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Tarek Ziadé]

Tarek Ziadé  added the comment:

Yeah I agree. Until we get a solution + patch the priority here does not really 
matter.

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[R. David Murray]

R. David Murray  added the comment:

I'll leave priority setting to tarek, but it doesn't look to me like raising 
the priority is going to make any difference, since it doesn't sound from 
reading the ticket like anyone has found a solution yet (other than offering 
64bit installers).

--
nosy: +r.david.murray
stage:  -> needs patch
versions: +Python 3.3 -Python 3.2

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Jérôme Radix]

Jérôme Radix  added the comment:

Could you please change the priority of this Issue to 'High' as this problem is 
a big annoyance for all Windows 64bits users which is a rather large niche of 
users (a niche getting larger and larger everyday), don't you think ?

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Jérôme Radix]

Changes by Jérôme Radix :


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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Christoph Gohlke]

Changes by Christoph Gohlke :


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nosy: +cgohlke

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Francis Cullen]

Francis Cullen  added the comment:

There are many updated installers, for many libs for those of us using 64bit 
windows 7.

http://www.lfd.uci.edu/~gohlke/pythonlibs/

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Jeremy Kloth]

Changes by Jeremy Kloth :


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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Martin v . Löwis]

Changes by Martin v. Löwis :


--
versions:  -Python 2.6

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[dontbugme]

dontbugme  added the comment:

you can add  InstallPath key with the corresponding value at 
[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Python\PythonCore\2.6\]
if you want disutils installer to detect your python
That makes him detect and install the librarys or scripts to the right 
directory, but doens't make your library 64bit compatible if it isn't
(means if the library doesn't work on 64 bit i neither will whith this work 
around) Only possibility of fixing that problem is installing 32bit python

--
nosy: +dontbugme
versions: +Python 2.6

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Éric Araujo]

Éric Araujo  added the comment:

Removing 2.6 which only gets security fixes now.

--
nosy: +eric.araujo
versions: +Python 3.1 -Python 2.6

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Santoso Wijaya]

Santoso Wijaya  added the comment:

Does anyone know of any workaround, for now?

--
nosy: +santa4nt

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Greg Hazel]

Changes by Greg Hazel :


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nosy: +ghazel

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Martin v . Löwis]

Martin v. Löwis  added the comment:

One issue to consider is pre/post-install actions. bdist_wininst loads 
pythonxy.dll from the target system, which would fail if it is a 32-bit 
installer process that tries to load a 64-bit python DLL.

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Stephen White]

Stephen White  added the comment:

32bit apps can query the 64bit registry, using the appropriate security and 
access rights options such as KEY_WOW64_64KEY (0x0100).

Similarly KEY_WOW64_32KEY can be used for 64bit apps to read/write the 32bit 
registry without having to have knowledge of how the Wow6432Nodes are arranged .

These mean that a 64bit aware app, whether compiled as 64 or 32 bits, can 
access the alternative view of the registry.

http://msdn.microsoft.com/en-us/library/ms724897(VS.85).aspx
http://msdn.microsoft.com/en-us/library/ms724878(VS.85).aspx

For example if you have both 64 and 32 bit copies of Python installed then a 
Python app running under the 32bit copy of Python can query the location of the 
64bit copy of Python using code like:
key64 = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, 
"Software\\Python\\PythonCore\\2.6\\PythonPath", 0, _winreg.KEY_READ + 0x0100)
_winreg.QueryValue(key, "")

C code can do similarly.

--
nosy: +Stephen.White

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Phillip J. Eby]

Phillip J. Eby  added the comment:

ISTM there may be two ways to fix this problem; one was to change the
.exe header produced by bdist_wininst, but in retrospect, it can't fix
this because it's likely Windows' 64-to-32 bit conversion (Wow6432Node)
that's changing the registry path used, rather than anything that Python
or distutils is doing.

The other way, which has more probability of working, is for the 64-bit
Python installer to include an extra registry entry that would allow the
32 bit versions to find the 64-bit version.

(This might also require an install-time 64/32 compatibility check being
added to the .exe header for bdist_wininst to prevent installing
binary-incompatible extensions.)

--
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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Tarek Ziadé]

Changes by Tarek Ziadé :


--
versions: +Python 2.7, Python 3.2 -Python 2.5

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Martin v . Löwis]

Martin v. Löwis  added the comment:

sorin: can you provide a patch?

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[sorin]

sorin  added the comment:

It is possible to create combined x86 and x64 msi files and in fact it
would be a good idea to have only one instead of two.

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Martin v . Löwis]

Martin v. Löwis  added the comment:

Carwyn: those packages just need to create two versions of their
installers - one for 32-bit Python, and one for 64-bit Python. Please
report that to the respective packages.

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Sridhar Ratnakumar]

Changes by Sridhar Ratnakumar :


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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Carwyn Edwards]

Carwyn Edwards  added the comment:

This prevents numerous packages from installing correctly including the
current 0.6c11 version of setuptools. When the installer runs it reports
that it can't find the version of python installed from
python-2.6.4.amd64.msi.

It seems to be looking for it in:

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Python\PythonCore\2.6\InstallPath]
@="C:\\Python26\\"

.. rather than the:
[HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\InstallPath]
@="C:\\Python26\\"

.. that the python installer puts in the registry.

This is related to the conversation in this thread:

http://www.mail-archive.com/distutils-...@python.org/msg10512.html

And to quote from http://bugs.python.org/setuptools/issue2 :

"The issue is with the .exe header used by the bdist_wininst command;
setuptools doesn't generate this wrapper itself; it uses the one
supplied by the distutils, so non-setuptools packages will have the same
problem.  Without a fixed .exe header in the Python installation, *all*
bdist_wininst-generated .exe installers (setuptools or distutils) will
have the same problem."

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[Martin v . Löwis]

Martin v. Löwis  added the comment:

Unfortunately, I don't think this is possible. When creating the
installer, you have to make a choice whether to make it a 32-bit or a
64-bit MSI file - whether or not you have any architecture dependency.

At least, can't think of an easy way to solve it.

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[issue6792] Distutils-based installer does not detect 64bit versions of Python

[erluk]

New submission from erluk :

An installer for source-only modules created using distutils
(bdist_wininst) will only detect 32bit installations of Python on 64bit
Windows machines.

Expected behaviour:
The installer lists 32bit and 64bit installations of Python on the machine.

--
assignee: tarek
components: Distutils
messages: 92028
nosy: erluk, tarek
severity: normal
status: open
title: Distutils-based installer does not detect 64bit versions of Python
type: behavior
versions: Python 2.5, Python 2.6

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