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Groups > comp.lang.python > #86738

Re: rst and pypandoc

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On 2015-03-02 13:51, alb wrote:
> Hi Steven,
>
> Steven D'Aprano <steve+comp.lang.python@pearwood.info> wrote:
> []
>> Since \r is an escape character, that will give you carriage return followed
>> by "ef{fig:abc".
>>
>> The solution to that is to either escape the backslash:
>>
>> i = '\\ref{fig:abc}'
>>
>>
>> or use a raw string:
>>
>> i = r'\\ref{fig:abc}'
>
> ok, maybe I wasn't clear from the very beginning, but searching for a
> solution is a journey that takes time and patience.
>
> The worngly named variable i (as noted below), contains the *i*nput of
> my text which is supposed to be restructured text. The output is what
> pypandoc spits out after conversion:
>
> i = "\\begin{tag}{%s}{%s}\n %s\n \\end{tag}" % (some, restructured, text)
> o = pypandoc.convert(i, 'latex', format='rst')
>
> Now if i contains some inline text, i.e. text I do not want to convert
> in any other format, I need my text to be formatted accordingly in order
> to inject some escape symbols in i.
>
> Rst escapes with "\", but unfortunately python also uses "\" for escaping!
>
>>
>> Oh, by the way, "i" is normally a terrible variable name for a string. Not
>> only doesn't it explain what the variable is for, but there is a very
>> strong convention in programming circles (not just Python, but hundreds of
>> languages) that "i" is a generic variable name for an integer. Not a
>> string.
>
> I'm not in the position to argue about good practices, I simply found
> more appropriate to have i for input and o for output, considering they
> are used like this:
>
> i = "some string"
> o = pypandoc.convert(i, ...)
> f.write(o)
>
> with very little risk to cause misunderstanding.
>
>> Can you show what you are doing? Escaping the backslash with another
>> backslash does work:
>>
>> py> for c in '\\ref':
>> ...     print(c, ord(c))
>> ...
>> \ 92
>> r 114
>> e 101
>> f 102
>>
>> so either you are doing something wrong, or the error lies elsewhere.
>
> As said above, the string is converted by pandoc first and then printed.
> At this point the escaping becomes tricky (at least to me).
>
> In [17]: inp = '\\ref{fig:abc}'
>
> In [18]: print pypandoc.convert(inp, 'latex', format='rst')
> ref\{fig:abc\}
>
Have you tried escaping the escape character by doubling the backslash?

inp = '\\\\ref{fig:abc}'

or:

inp = r'\\ref{fig:abc}'

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rst and pypandoc al.basili@gmail.com (alb) - 2015-03-02 07:59 +0000
  Re: rst and pypandoc Wolfgang Maier <wolfgang.maier@biologie.uni-freiburg.de> - 2015-03-02 12:03 +0100
  Re: rst and pypandoc Dave Angel <davea@davea.name> - 2015-03-02 07:03 -0500
    Re: rst and pypandoc al.basili@gmail.com (alb) - 2015-03-02 12:36 +0000
  Re: rst and pypandoc Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-03-02 23:33 +1100
    Re: rst and pypandoc al.basili@gmail.com (alb) - 2015-03-02 13:51 +0000
      Re: rst and pypandoc Dave Angel <davea@davea.name> - 2015-03-02 09:08 -0500
        Re: rst and pypandoc Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-03-03 01:43 +1100
          Re: rst and pypandoc Dave Angel <davea@davea.name> - 2015-03-02 13:55 -0500
          Re: rst and pypandoc Ben Finney <ben+python@benfinney.id.au> - 2015-03-03 06:09 +1100
          Re: rst and pypandoc Dave Angel <davea@davea.name> - 2015-03-02 14:16 -0500
        Re: rst and pypandoc al.basili@gmail.com (alb) - 2015-03-02 22:30 +0000
          Re: rst and pypandoc Chris Angelico <rosuav@gmail.com> - 2015-03-03 09:51 +1100
          Re: rst and pypandoc Ben Finney <ben+python@benfinney.id.au> - 2015-03-03 10:18 +1100
          Re: rst and pypandoc Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-03-03 10:32 +1100
            Re: rst and pypandoc al.basili@gmail.com (alb) - 2015-03-03 20:35 +0000
        Re: rst and pypandoc al.basili@gmail.com (alb) - 2015-03-02 22:40 +0000
          Re: rst and pypandoc Mark Lawrence <breamoreboy@yahoo.co.uk> - 2015-03-02 23:08 +0000
            Re: rst and pypandoc al.basili@gmail.com (alb) - 2015-03-03 20:37 +0000
          Re: rst and pypandoc Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-03-03 10:22 +1100
            Re: rst and pypandoc al.basili@gmail.com (alb) - 2015-03-03 20:46 +0000
          Re: rst and pypandoc Dave Angel <davea@davea.name> - 2015-03-02 18:23 -0500
      Re: rst and pypandoc MRAB <python@mrabarnett.plus.com> - 2015-03-02 14:37 +0000
        Re: rst and pypandoc al.basili@gmail.com (alb) - 2015-03-02 22:37 +0000
          Re: rst and pypandoc Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-03-03 19:40 +1300
            Re: rst and pypandoc al.basili@gmail.com (alb) - 2015-03-03 20:50 +0000
              Re: rst and pypandoc Gregory Ewing <greg.ewing@canterbury.ac.nz> - 2015-03-04 11:27 +1300
      Re: rst and pypandoc MRAB <python@mrabarnett.plus.com> - 2015-03-02 14:40 +0000
      Re: rst and pypandoc Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2015-03-03 02:09 +1100

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