get_server_environment unstable

the function get_server_environment is unstable

First when it launches bzr it does not ensure that we are in a valide path.
Then the getdefaultlocale() can return none or crash so the join will not work in any case.

Here is a very little patch.

Greetings

Nicolas

castor:service nbessi$ bzr diff -r1773 web_services.py
=== modified file 'bin/service/web_services.py'
--- bin/service/web_services.py 2009-07-14 12:41:32 +0000
+++ bin/service/web_services.py 2009-08-06 10:21:35 +0000
@@ -531,8 +531,10 @@
             rev_id = os.popen('bzr revision-info').read()
         except Exception,e:
              rev_id = 'Exception: %s\n' % (str(e))
-
- os_lang = '.'.join(locale.getdefaultlocale())
+ try:
+ os_lang = '.'.join(locale.getdefaultlocale())
+ except Exception,e:
+ os_lang = 'Exception: %s\n' % (str(e))
         environment = '\nEnvironment Information : \n' \
                       'PlatForm : %s\n' \
                       'Operating System : %s\n' \