Cleaning strings with Regular Expressions

[sheffdog]

Hello,

I often find myself cleaning up strings like the following:

setAttr ".ftn" -type "string" /assets/chars/
/boya/geo/textures/lod1/ppbhat.tga";

Using regular expressions, the best I can do so far is using the re.sub
command but it still takes two lines. Can I do this in one line? Or
should I be approaching this differently? All I want to end up with is
the file name "ppbhat.tga ".

Python Code:
lines[indexC]=re.sub("[\s,\S,]*/", "", lines[indexC])
lines[indexC]=re.sub(".tga[\s,\S,]*", ".tga", lines[indexC])

Thanks for your time,

/\/\ason S

[Fredrik Lundh]

Re: Cleaning strings with Regular Expressions

"sheffdog" <masonsheffield @gmail.com> wrote:
[color=blue]
> setAttr ".ftn" -type "string" /assets/chars/
> /boya/geo/textures/lod1/ppbhat.tga";[/color]
[color=blue]
> Can I do this in one line?[/color]
[color=blue][color=green][color=darkred]
>>> os.path.basenam e("/assets/chars/.../lod1/ppbhat.tga")[/color][/color][/color]
'ppbhat.tga'

</F>

[Larry Bates]

Re: Cleaning strings with Regular Expressions

May not be what you are looking for, but this works:

import os
s='setAttr ".ftn" -type "string" ' \
'/assets/chars/boya/geo/textures/lod1/ppbhat.tga";'
fname=os.path.b asename(s.split ()[-1])


BTW-It does depend on the file/path being the last item
on the line.

Larry Bates


sheffdog wrote:[color=blue]
> Hello,
>
> I often find myself cleaning up strings like the following:
>
> setAttr ".ftn" -type "string" /assets/chars/
> /boya/geo/textures/lod1/ppbhat.tga";
>
> Using regular expressions, the best I can do so far is using the re.sub
> command but it still takes two lines. Can I do this in one line? Or
> should I be approaching this differently? All I want to end up with is
> the file name "ppbhat.tga ".
>
> Python Code:
> lines[indexC]=re.sub("[\s,\S,]*/", "", lines[indexC])
> lines[indexC]=re.sub(".tga[\s,\S,]*", ".tga", lines[indexC])
>
> Thanks for your time,
>
> /\/\ason S
>[/color]

[sheffdog]

Re: Cleaning strings with Regular Expressions

Using basename works, but leaves the extra stuff at the end.
Which would have to be removed with another line of code

I get this--> ppbhat.tga";

Thanks, for the idea though.
/\/\ason

[Fredrik Lundh]

Re: Cleaning strings with Regular Expressions

"sheffdog" <masonsheffield @gmail.com> wrote:[color=blue]
> Using basename works, but leaves the extra stuff at the end.
> Which would have to be removed with another line of code
>
> I get this--> ppbhat.tga";[/color]

if you're trying to parse Maya files, maybe you should start
by writing a simple Maya parser, and use that to extract the
relevant strings, *before* passing them to os.path.baselin e?

</F>

[sheffdog]

Re: Cleaning strings with Regular Expressions

Good Idea I'll try that!

Thanks for your assistance.
/\/\

[Gary Wilson Jr]

Re: Cleaning strings with Regular Expressions

sheffdog wrote:[color=blue]
> Using regular expressions, the best I can do so far is using the re.sub
> command but it still takes two lines. Can I do this in one line? Or
> should I be approaching this differently? All I want to end up with is
> the file name "ppbhat.tga ".[/color]

A regular expression to do what you want:[color=blue][color=green][color=darkred]
>>> s = 'setAttr ".ftn" -type "string" /assets/chars/boya/geo/textures/lod1/ppbhat.tga";'
>>> s = re.sub(r".*/(.*\.tga).*", r"\1", s)
>>> s[/color][/color][/color]
'ppbhat.tga'

Is a regular expression the best solution?
That depends on what else you need to do with your data file.