[GRASSGUI] Re: [grass-addons] r343 - trunk/grassaddons/gui

[Michael Barton]

Aha! A further clarification. Is octal base 8? (Pardon my novicity, but I
don't use this much).

Michael


On 3/27/07 1:34 PM, "Glynn Clements" <glynn at gclements.plus.com> wrote:

> 
> Michael Barton wrote:
> 
>>>> Modified:
>>>>    trunk/grassaddons/gui/gis_set.py
>>>> Log:
>>>> Fixed bug with new mapset not copying WIND file from PERMANENT.
>>>> 
>>>> ****Please check to see if permissions need to be set (I just copied
>>>> the WIND file permissions). Line 674 has a chmod statement, but I don't
>>>> know what to set it to (needs set of numbers for u+rw,go+r I think).
>>> 
>>> 644  should mean: "u+rw, go+r"
>>> 
>>> hope, it helps
>> 
>> I just tried this. Seemed like a good idea but didn't work. I got an error
>> saying that I didn't have the right permissions to use the mapset.
>> 
>> Maybe Daniel understands how os.chmod works
> 
> The documentation at:
> 
> http://docs.python.org/lib/os-file-dir.html
> 
> says:
> 
> chmod(path, mode)
> 
>    Change the mode of path to the numeric mode. mode may take one of
>    the following values (as defined in the stat module) or bitwise
>    or-ed combinations of them:
> 
>        * S_ISUID
>        * S_ISGID
>        * S_ENFMT
>        * S_ISVTX
>        * S_IREAD
>        * S_IWRITE
>        * S_IEXEC
>        * S_IRWXU
>        * S_IRUSR
>        * S_IWUSR
>        * S_IXUSR
>        * S_IRWXG
>        * S_IRGRP
>        * S_IWGRP
>        * S_IXGRP
>        * S_IRWXO
>        * S_IROTH
>        * S_IWOTH
>        * S_IXOTH
> 
> The stat.py file gives these constants their usual numeric values. If
> you want to use a numeric value in the os.chmod() call, you will need
> to specify it in octal (with a leading zero), e.g.:
> 
>             os.chmod(os.path.join(database,location,mapset,'WIND'), 0644)
> 
> Note: 644 (decimal) = 01204 (octal) = t-w----r-- (u=w,g=,o=r,t), which
> isn't much use (the owner can't read it).

__________________________________________
Michael Barton, Professor of Anthropology
School of Human Evolution & Social Change
Center for Social Dynamics and Complexity
Arizona State University

phone: 480-965-6213
fax: 480-965-7671
www: http://www.public.asu.edu/~cmbarton