babel plugin

bot.py

@@ -123,7 +123,11 @@ while True:
         for csig, func, args in (bot.plugs['command'] + bot.plugs['event']):
             input = Input(*out)
             for fsig, sieve in bot.plugs['sieve']:
-                input = sieve(bot, input, func, args)
+                try:
+                    input = sieve(bot, input, func, args)
+                except Exception, e:
+                    print 'filter error:', e
+                    input = None
                 if input == None:
                     break
             if input == None:

plugins/babel.py

@@ -0,0 +1,46 @@
+import yaml
+import urllib
+
+import hook
+
+languages = 'en ja de he es ko ru en zh en'.split();
+language_pairs = zip(languages[:-1], languages[1:])
+
+def babel_gen(inp):
+    req_url = 'http://ajax.googleapis.com/ajax/services/language/translate' \
+            '?v=1.0&q=%s&langpair=%s'
+
+    yield 'en', inp
+    for slang, tlang in language_pairs:
+        inp = inp.encode('utf8')
+        print slang, tlang, inp
+        json = urllib.urlopen(req_url % (urllib.quote(inp, safe=''), 
+                              slang + '%7C' + tlang)).read()
+        parsed = yaml.load(json)
+        if not 200 <= parsed['responseStatus'] < 300:
+            raise IOError, 'error with the translation server'
+        inp = parsed['responseData']['translatedText']
+        yield tlang, inp
+
+@hook.command
+def babel(inp):
+    try:
+        return list(babel_gen(inp))[-1][1]
+    except IOError:
+        return 'error with the translation server'
+
+@hook.command
+def babelexp(inp):
+    try:
+        babels = list(babel_gen(inp))
+    except IOError:
+        return 'error with the translation server'
+
+    out = u''
+    for lang, text in babels:
+        out += '%s:"%s", ' % (lang, text.decode('utf8'))
+
+    if len(out) > 300:
+        out = out[:150] + ' ... ' + out[-150:]
+
+    return out[:-2]

plugins/hook.py

@@ -25,7 +25,7 @@ def command(func=None, hook=None, **kwargs):
             raise ValueError, \
                 'commands must take 1 or 2 arguments: (inp) or (bot, input)'
         args.setdefault('name', func.func_name)
-        args.setdefault('hook', args['name'] + r'\s*(.*)')
+        args.setdefault('hook', args['name'] + r'(?:\s+|$)(.*)')
         _hook_add(func, ['command', (_make_sig(func), func, args)])
         return func