Hello,
since ConfigParser does not seem to support multiple times the same option
name, like:
dir="/home/florian"
dir="/home/john"
dir="/home/whoever"
(only the last one is read in)
I wonder what the best way to work around this.
I think the best solution would be to use a seperation character:
dir="/home/florian, /home/john, home/whoever"
What character would be best to work on various operating systems? (of what
names may a path consist is the question)
What do you think? Any better ideas?
Thanks,
Florian 12 5363
Florian Lindner escribió: I think the best solution would be to use a seperation character:
dir="/home/florian, /home/john, home/whoever"
RCS uses , in filenames
What do you think? Any better ideas?
A bit ugly, but probably safer and simpler than adding arbitrary separators:
[section]
dir_1=/home/florian
dir_2=/home/john
dir_3=/home/whoever
a s(a|i)mple implementation to give you the idea, it has some bugs:
import ConfigParser
import re
class ConfigParserWit hLists(ConfigPa rser.ConfigPars er):
def setlist(self, section, option, value) :
for i, v in enumerate(value ) :
self.set(sectio n, '%s_%i' % (option, i + 1), v)
def getlist(self, section, option) :
res = []
m = re.compile('^' + option + '_\d+$').match
for oo in self.options(se ction) :
if m(oo) :
res.append(self .get(section, oo))
return res
HTH
Alexis Roda wrote: Florian Lindner escribió: I think the best solution would be to use a seperation character:
dir="/home/florian, /home/john, home/whoever" RCS uses , in filenames
A kommata (,) is a valid character in path names. Ok, you can use quotes. What do you think? Any better ideas?
A bit ugly, but probably safer and simpler than adding arbitrary separators:
[section] dir_1=/home/florian dir_2=/home/john dir_3=/home/whoever
I tend to use seperators, because I think it's more common to users. (the
PATH environment variable e.g.)
a s(a|i)mple implementation to give you the idea, it has some bugs:
[...]
Thanks for your input!
Florian
Florian Lindner wrote: Hello, since ConfigParser does not seem to support multiple times the same option name, like:
dir="/home/florian" dir="/home/john" dir="/home/whoever"
(only the last one is read in)
I wonder what the best way to work around this.
I think the best solution would be to use a seperation character:
dir="/home/florian, /home/john, home/whoever"
What character would be best to work on various operating systems? (of what names may a path consist is the question)
What do you think? Any better ideas?
Thanks,
Florian
I would either use (not tested):
[directories]
dir_01="/home/florian"
dir_02="/home/john"
dir_03="/home/whoever"
and in my program do:
INI=ConfigParse r.ConfigParser( )
INI.read(inifil epath)
section="direct ories"
dirs=[x for x in INI.options(sec tion) if x.startswith('d ir_')]
or more easily:
[init]
dirs=/home/florian,/home/john,home/whoever
and in program do:
section="init"
dirs=INI.get(se ction, 'dirs',).split( ',')
Which one to use depends on how many dirs you would be supporting.
If it is a lot, I like the first version. If a few, the second
seems better.
-Larry Bates
Florian Lindner wrote: I think the best solution would be to use a seperation character:
dir="/home/florian, /home/john, home/whoever"
What character would be best to work on various operating systems? (of what names may a path consist is the question)
I don't think there are any universally-disallowed chars for path names.
But I also haven't seen anyone mention os.pathsep yet. Seems like the best
choice for a separator char. If you need to run on multiple platforms,
your choices seem to be:
1. pick a legal-on-some-systems-but-uncommon-on-all char for dir names as a
separator (iirc osx uses : in paths so ; might have to do)
2. use os.pathsep to write platform-specific config files
3. do it another way
Florian Lindner wrote: Hello, since ConfigParser does not seem to support multiple times the same option name, like:
dir="/home/florian" dir="/home/john" dir="/home/whoever"
<snip>
Another option would be to switch to the XMLParser library and use an
XML file for the configuration.
That way, you can build using the same name:
#==== config_file.xml ====
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE options>
<options>
<directories>
<path>"/home/florian"</path>
<path>"/home/john"</path>
<path>"/home/whoever"</path>
</directories>
{other options}
</options>
#==== config_file.xml ====
There are also several tutorials
<a
href="http://uche.ogbuji.net/tech/akara/nodes/2003-01-01/pyxml-akara">
Uche Ogbuji's Akara site
</a>
has some excellent XML tutorials which include python XML processing.
Florian Lindner wrote: since ConfigParser does not seem to support multiple times the same option name, like:
dir="/home/florian" dir="/home/john" dir="/home/whoever"
I generally do this:
dirs =
/home/florian
/home/john
/home/whoever
....and then use str.split() in my program.
--
Benji York
Benji York wrote:
<SNIP> I generally do this:
dirs = /home/florian /home/john /home/whoever
...and then use str.split() in my program. -- Benji York
The only problem with this would be if you plan on updating the config
file later in the program - I don't think ConfigParser would write the
new config file with these options setup this way.
I have had this same problem before, and what I ended up doing was
writing my own far more limited config parser that would create lists
for repeated named assignments.
Who is the maintainer of ConfigParser? Perhaps a keyword option can
be added so that this kind of behaviour can be added at creation.
Caleb This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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