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Re: parsing tree from excel sheet

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To python-list@python.org
From Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject Re: parsing tree from excel sheet
Date Thu, 29 Jan 2015 21:59:47 +0000
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On 29/01/2015 21:32, alb wrote:
> Hi MRAB,
>
> MRAB <python@mrabarnett.plus.com> wrote:
> []
>>>> SyntaxError: invalid syntax
>>>> debian@debian:example$ python3 export_latex.py doctree.csv
>>>>    File "export_latex.py", line 36
>>>>      yield from child.show2()
>>>>               ^
>>>> SyntaxError: invalid syntax
>>>
>>> and I've tried with both python and python3 (see below versions).
>>>
>>> debian@debian:example$ python
>>> Python 2.6.6 (r266:84292, Dec 27 2010, 00:02:40)
>>> [GCC 4.4.5] on linux2
>>> Type "help", "copyright", "credits" or "license" for more information.
>>>>>>
>>> debian@debian:example$ python3
>>> Python 3.1.3 (r313:86834, Nov 28 2010, 11:28:10)
>>> [GCC 4.4.5] on linux2
>>> Type "help", "copyright", "credits" or "license" for more information.
>>>>>>
>>>
>>> Is it an issue related to my installation? Shall I upgrade and/or
>>> downgrade?
>>>
>> "yield from" was introduced in Python 3.3.
>>
>
> Ok, that either means I need to upgrade to 3.3 or need to modify the
> snippet to a suitable syntax that would work with other versions.
>
> Considering that upgrading is something that I'm not keen to do on my
> production system I believe I've only have one available choice.
>
> It seems I could use the generator and iterate with .next() in python
> 2.6, at least from what I found here:
> http://stackoverflow.com/questions/1756096/understanding-generators-in-python
>
> Al
>

I'd be inclined to upgrade, see here 
https://www.python.org/dev/peps/pep-0380/#formal-semantics for why :)

-- 
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.

Mark Lawrence

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Thread

parsing tree from excel sheet al.basili@gmail.com (alb) - 2015-01-28 10:12 +0000
  Re: parsing tree from excel sheet Peter Otten <__peter__@web.de> - 2015-01-28 15:08 +0100
    Re: parsing tree from excel sheet al.basili@gmail.com (alb) - 2015-01-28 14:27 +0000
    Re: parsing tree from excel sheet al.basili@gmail.com (alb) - 2015-01-29 21:02 +0000
      Re: parsing tree from excel sheet MRAB <python@mrabarnett.plus.com> - 2015-01-29 21:16 +0000
        Re: parsing tree from excel sheet al.basili@gmail.com (alb) - 2015-01-29 21:32 +0000
          Re: parsing tree from excel sheet Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-01-29 21:59 +0000
          Re: parsing tree from excel sheet Chris Kaynor <ckaynor@zindagigames.com> - 2015-01-29 14:30 -0800
          Re: parsing tree from excel sheet Chris Angelico <rosuav@gmail.com> - 2015-01-30 10:46 +1100
    Re: parsing tree from excel sheet al.basili@gmail.com (alb) - 2015-01-30 15:05 +0000
      Re: parsing tree from excel sheet Peter Otten <__peter__@web.de> - 2015-01-30 18:11 +0100
        Re: parsing tree from excel sheet al.basili@gmail.com (alb) - 2015-01-31 22:45 +0000
          Re: parsing tree from excel sheet Peter Otten <__peter__@web.de> - 2015-02-01 11:11 +0100
      Re: parsing tree from excel sheet Peter Otten <__peter__@web.de> - 2015-01-30 18:24 +0100
      Re: parsing tree from excel sheet Peter Otten <__peter__@web.de> - 2015-01-31 10:07 +0100
      Re: parsing tree from excel sheet Peter Otten <__peter__@web.de> - 2015-01-31 10:07 +0100
  Re: parsing tree from excel sheet Tim Chase <python.list@tim.thechases.com> - 2015-01-28 08:13 -0600
    Re: parsing tree from excel sheet al.basili@gmail.com (alb) - 2015-01-29 21:22 +0000

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