[websocketproxy] Set 'C' locale early during startup. In this way we

don't rely on user locale and don't need to distribute zillion locales
when building a frozen distribution.

websockify/websocketproxy.py

@@ -12,6 +12,7 @@
 '''
 
 import signal, socket, optparse, time, os, sys, subprocess, logging, errno, ssl
+import locale
 try:
     from socketserver import ForkingMixIn
 except ImportError:
@@ -46,15 +47,15 @@ class ProxyRequestHandler(websockifyserver.WebSockifyRequestHandler):
     <  - Client send
     <. - Client send partial
 """
-    
+
     def send_auth_error(self, ex):
         self.send_response(ex.code, ex.msg)
         self.send_header('Content-Type', 'text/html')
         for name, val in ex.headers.items():
             self.send_header(name, val)
-        
+
         self.end_headers()
-    
+
     def validate_connection(self):
         if not self.server.token_plugin:
             return
@@ -83,7 +84,7 @@ def auth_connection(self):
         except (TypeError, AttributeError, KeyError):
             # not a SSL connection or client presented no certificate with valid data
             pass
-            
+
         try:
             self.server.auth_plugin.authenticate(
                 headers=self.headers, target_host=self.server.target_host,
@@ -433,7 +434,7 @@ def select_ssl_version(version):
         # It so happens that version names sorted lexicographically form a list
         # from the least to the most secure
         keys = list(SSL_OPTIONS.keys())
-        keys.sort() 
+        keys.sort()
         fallback = keys[-1]
         logger = logging.getLogger(WebSocketProxy.log_prefix)
         logger.warn("TLS version %s unsupported. Falling back to %s",
@@ -442,6 +443,9 @@ def select_ssl_version(version):
         return SSL_OPTIONS[fallback]
 
 def websockify_init():
+    # Get an unified locale so that we can avoid shipping tons of locales
+    # if we build a frozen distribution
+    locale.setlocale(locale.LC_ALL, 'C')
     # Setup basic logging to stderr.
     logger = logging.getLogger(WebSocketProxy.log_prefix)
     logger.propagate = False