[Scons-users] Maximum Path Length Limitation of Windows in scons

Fri Feb 5 14:24:37 EST 2016

Hi Bill,

This part is done in git. We are using clearcase for most of the part and
git for some part, It's currently a mixture.

Thanks!

On Fri, Feb 5, 2016 at 11:18 AM, Bill Deegan <bill at baddogconsulting.com>
wrote:

> Sally,
>
> If you're on clearcase can you create a symlink to skip much of the path?
>
> -Bill
>
> On Fri, Feb 5, 2016 at 11:16 AM, Sally Arias <troy57 at gmail.com> wrote:
>
>> Hi,
>>
>> Thank you for looking into this. I'll file a bug. We use a drive for
>> clearcase view and would like to avoid using it by "subst"  if possible.
>> Meanwhile we can shorten root folder name.
>>
>> Thanks!
>>
>> On Fri, Feb 5, 2016 at 10:25 AM, Bill Deegan <bill at baddogconsulting.com>
>> wrote:
>>
>>> Sally,
>>>
>>> Looks like a real bug. Could I ask you to file a bug with a small
>>> testcase to reproduce the problem?
>>> In the meantime, you may be able to work around your issue using windows
>>> "subst" command:
>>> See here:
>>>
>>> http://superuser.com/questions/109407/how-do-you-mount-a-directory-as-a-drive-in-windows-7
>>>
>>> -Bill
>>>
>>> On Fri, Feb 5, 2016 at 9:17 AM, Plunket, Tom <
>>> tom.plunket at aristocrat-inc.com> wrote:
>>>
>>>> The fact that many of the internal SCons functions use 'str()' to
>>>> convert filenames will also trip up anyone who needs to use characters
>>>> outside of the latin-1 character set.
>>>>
>>>> I'd love to work on this but SCons is huge and I don't have a good
>>>> handle on where to start. I have got the file-names.py test working, for
>>>> all legal ASCII Windows filename characters except $ and #. (Escaping the
>>>> characters does not help but I don't remember the specifics of the errors.)
>>>>
>>>> For more information on my struggles see my post to this group on 26
>>>> Jan at 19:33 UTC+8 with the subject "Filename characters outside of
>>>> latin-1".
>>>>
>>>> -----Original Message-----
>>>> From: Scons-users [mailto:scons-users-bounces at scons.org] On Behalf Of
>>>> Michael Schlenker
>>>> Sent: Friday, February 05, 2016 2:11 AM
>>>> To: SCons users mailing list <scons-users at scons.org>
>>>> Subject: Re: [Scons-users] Maximum Path Length Limitation of Windows in
>>>> scons
>>>>
>>>> The issue you might see is that the '\\?\' Prefix ONLY works for the
>>>> unicode version of the Windows APIs. Python 2.x uses a mix of Unicode and
>>>> ANSI APIs internally, depending on what you pass to the functions.
>>>>
>>>> The listdir() call uses a str() as can be seen from the TypeError.
>>>>
>>>> So for Python 2 one would need to make sure all names are unicode when
>>>> entering the OS layer. Not sure if SCons does that somewhere, probably not.
>>>>
>>>> Michael
>>>>
>>>> Am 05.02.2016 um 03:08 schrieb Sally Arias:
>>>> > Hi,
>>>> >
>>>> > I have a very long path name that exceeds windows maximum path length
>>>> > limitation that is 260. It does not work as it is.
>>>> >
>>>> > Workaround for Maximum Path Length Limitation:
>>>> >
>>>> https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs
>>>> > .85).aspx
>>>> >
>>>> > Adding "\\?\" prefix fixes this issue on python but not on scons.
>>>> >
>>>> > For example,
>>>> >
>>>> > os.path.exists(u"\\\\?\\C:\\longpath.....")  and
>>>> > os.path.listdir(u"\\\\?\\C:\\longdir.....") work.
>>>> > env.Install(u"\\\\?\\C:\\longpath.....", u"\\\\?\\C:\\longpath.....")
>>>> > does not work. It does not do anything.
>>>> >
>>>> > Withou this prefix, scons generates Type Error.
>>>> > env.Install("C:\\long_path.....", "C:\\long_path.....") TypeError :
>>>> > listdir() argument 1 must be (buffer overflow), not str
>>>> >
>>>> > Are there any workarounds for this? Does scons support long path that
>>>> > exceeds windows maximum path length limitation? I'm using scons 2.2.0.
>>>> > Should I upgrade scons version?
>>>> >
>>>> >
>>>> >
>>>> >
>>>> > _______________________________________________
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>>>> > Scons-users at scons.org
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>>>>
>>>> --
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>>>>
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