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newbie installing trac on windows 2012 server error in setup.py

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russh at doublejoy

Aug 8, 2013, 5:48 PM

Post #1 of 5 (28 views)
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newbie installing trac on windows 2012 server error in setup.py

I'm really excited to get trac up and running - have bumbled through to the
point that I'm actually installing trac using easy_install Trac==1.0, but
this dies after a while complaining about a syntax error in setup.py.
The exact error is:
File "c:... \setuptools-0.9.8-py3.3.egg\setuptools\sandbox.py", line 71 in
<lambda>
File "c:... \setuptools-0.9.8-py3.3.egg\setuptoools\compat.p", line 92 in
execfile
File "setup.py", line 21 print "Trac requires Python %d.%d or later" %
min_python
SyntaxError: invalid syntax

How can I get past this?
thanx
r

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petsuter at gmail

Aug 9, 2013, 3:28 AM

Post #2 of 5 (28 views)
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Re: newbie installing trac on windows 2012 server error in setup.py [In reply to]

You seem to be using Python 3.3, but Trac 1.0 requires Python 2.5, 2.6 or
2.7.

See http://trac.edgewall.org/wiki/TracInstall#MandatoryDependencies

--
Peter

On Fri, Aug 9, 2013 at 2:48 AM, <russh [at] doublejoy> wrote:

> I'm really excited to get trac up and running - have bumbled through to
> the point that I'm actually installing trac using easy_install Trac==1.0,
> but this dies after a while complaining about a syntax error in setup.py.
> The exact error is:
> File "c:... \setuptools-0.9.8-py3.3.egg\setuptools\sandbox.py", line 71 in
> <lambda>
> File "c:... \setuptools-0.9.8-py3.3.egg\setuptoools\compat.p", line 92 in
> execfile
> File "setup.py", line 21 print "Trac requires Python %d.%d or later" %
> min_python
> SyntaxError: invalid syntax
>
> How can I get past this?
> thanx
> r
>
> --
> You received this message because you are subscribed to the Google Groups
> "Trac Users" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to trac-users+unsubscribe [at] googlegroups
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>

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russh at doublejoy

Aug 9, 2013, 9:03 AM

Post #3 of 5 (25 views)
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Re: newbie installing trac on windows 2012 server error in setup.py [In reply to]

Thx Peter. The devil really *is* in the details eh?
r

On Friday, August 9, 2013 3:28:22 AM UTC-7, Peter Suter wrote:
>
> You seem to be using Python 3.3, but Trac 1.0 requires Python 2.5, 2.6 or
> 2.7.
>
> See http://trac.edgewall.org/wiki/TracInstall#MandatoryDependencies
>
> --
> Peter
>
>
> On Fri, Aug 9, 2013 at 2:48 AM, <ru...@doublejoy.com <javascript:>> wrote:
>
>> I'm really excited to get trac up and running - have bumbled through to
>> the point that I'm actually installing trac using easy_install Trac==1.0,
>> but this dies after a while complaining about a syntax error in setup.py.
>> The exact error is:
>> File "c:... \setuptools-0.9.8-py3.3.egg\setuptools\sandbox.py", line 71
>> in <lambda>
>> File "c:... \setuptools-0.9.8-py3.3.egg\setuptoools\compat.p", line 92 in
>> execfile
>> File "setup.py", line 21 print "Trac requires Python %d.%d or later" %
>> min_python
>> SyntaxError: invalid syntax
>>
>> How can I get past this?
>> thanx
>> r
>>
>> --
>> You received this message because you are subscribed to the Google Groups
>> "Trac Users" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to trac-users+...@googlegroups.com <javascript:>.
>> To post to this group, send email to trac-...@googlegroups.com<javascript:>
>> .
>> Visit this group at http://groups.google.com/group/trac-users.
>> For more options, visit https://groups.google.com/groups/opt_out.
>>
>
>

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rjollos at gmail

Aug 9, 2013, 9:15 AM

Post #4 of 5 (25 views)
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Re: newbie installing trac on windows 2012 server error in setup.py [In reply to]

On Friday, August 9, 2013 3:28:22 AM UTC-7, Peter Suter wrote:

> You seem to be using Python 3.3, but Trac 1.0 requires Python 2.5, 2.6 or
> 2.7.
>
> See http://trac.edgewall.org/wiki/TracInstall#MandatoryDependencies
>
> --
> Peter
>

Do you know of a good way that we can fix that print statement to also
print correctly in Python 3.x?

from __future__ import print_function is not available until Python 2.6.

How about?:

try:
print "Trac requires Python %d.%d or later" % min_python
except SyntaxError:
print("Trac requires Python %d.%d or later" % min_python)

Not yet tested, so Python 3.x syntax might not be exactly correct.

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petsuter at gmail

Aug 9, 2013, 3:06 PM

Post #5 of 5 (25 views)
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Re: newbie installing trac on windows 2012 server error in setup.py [In reply to]

On 09.08.2013 18:15, RjOllos wrote:
> Do you know of a good way that we can fix that print statement to also
> print correctly in Python 3.x?
>
> from __future__ import print_function is not available until Python 2.6.
>
> How about?:
>
> try:
> print "Trac requires Python %d.%d or later" % min_python
> except SyntaxError:
> print("Trac requires Python %d.%d or later" % min_python)
>
> Not yet tested, so Python 3.x syntax might not be exactly correct.

As long as no "advanced" features (like arguments) are used, I assume we
could simply use
print("Trac requires Python %d.%d or later" % min_python)
directly anyway, even without `from __future__ import print_function`.

All Python 2.x versions should still accept this as the old print
statement with (superfluous but harmless) parentheses around an expression.

http://python3porting.com/noconv.html#supporting-the-print-function
> The simple cases are not problematic, you can simply put parentheses
> around the text that should be printed. The following will print
> exactly the same in all versions of Python:
>
> >>> print("This works in all versions of Python!")
> This works in all versions of Python!

(For reference, I linked this thread in
http://trac.edgewall.org/ticket/9595#comment:8 by the way.)

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