tree-wide: Remove redundant setlocale's

This commit also fixes the confirm method to repeat asking until
a valid input is given.

pisi-cli

@@ -12,7 +12,6 @@
 
 import sys
 import errno
-import locale
 import traceback
 import exceptions
 import signal
@@ -79,6 +78,5 @@ if __name__ == "__main__":
 
     signal.signal(signal.SIGTERM, sig_handler)
 
-    locale.setlocale(locale.LC_ALL, '')
     cli = pisicli.PisiCLI()
     cli.run_command()

pisi/cli/__init__.py

@@ -137,7 +137,6 @@ class CLI(pisi.ui.UI):
 
     def choose(self, msg, opts):
         msg = unicode(msg)
-        import re
         prompt = msg + pisi.util.colorize(' (%s)' % "/".join(opts), 'red')
         while True:
             s = raw_input(prompt.encode('utf-8'))
@@ -149,17 +148,25 @@ class CLI(pisi.ui.UI):
         msg = unicode(msg)
         if ctx.config.options and ctx.config.options.yes_all:
             return True
-        while True:
-            import re, tty
-            yesexpr = re.compile(locale.nl_langinfo(locale.YESEXPR))
 
+        import re, tty
+
+        locale.setlocale(locale.LC_ALL, "")
+        yes_expr = re.compile(locale.nl_langinfo(locale.YESEXPR))
+        no_expr = re.compile(locale.nl_langinfo(locale.NOEXPR))
+        locale.setlocale(locale.LC_ALL, "C")
+
+        while True:
             tty.tcflush(sys.stdin.fileno(), 0)
             prompt = msg + pisi.util.colorize(_(' (yes/no)'), 'red')
             s = raw_input(prompt.encode('utf-8'))
-            if yesexpr.search(s):
+
+            if yes_expr.search(s):
                 return True
 
-            return False
+            if no_expr.search(s):
+                return False
+
 
     def display_progress(self, **ka):
         """ display progress of any operation """

pisi/operations/build.py

@@ -18,7 +18,6 @@ import glob
 import stat
 import pwd
 import grp
-import locale
 import fnmatch
 
 import gettext
@@ -910,7 +909,6 @@ class Builder:
     def file_actions(self):
         install_dir = self.pkg_install_dir()
 
-        locale.setlocale(locale.LC_ALL, 'C')
         import magic
         ms = magic.open(magic.MAGIC_NONE)
         ms.load()
@@ -923,7 +921,6 @@ class Builder:
                 exclude_special_files(filepath, fileinfo, self.actionGlobals)
 
         ms.close()
-        locale.setlocale(locale.LC_ALL, '')
 
     def build_packages(self):
         """Build each package defined in PSPEC file. After this process there