ShrinkUrl plugin, add BitLy support.

Login+ApiKey required for it to function.

plugins/ShrinkUrl/config.py

@@ -42,11 +42,11 @@ def configure(advanced):
         conf.supybot.plugins.ShrinkUrl.shrinkSnarfer.setValue(True)
 
 class ShrinkService(registry.OnlySomeStrings):
-    """Valid values include 'tiny', 'ur1', and 'x0'."""
+    """Valid values include 'tiny', 'ur1', 'x0', and 'bitly'."""
-    validStrings = ('tiny', 'ur1', 'x0')
+    validStrings = ('tiny', 'ur1', 'x0', 'bitly')
 
 class ShrinkCycle(registry.SpaceSeparatedListOfStrings):
-    """Valid values include 'ln', 'tiny', 'ur1', and 'x0'."""
+    """Valid values include 'ln', 'tiny', 'ur1', 'x0', and 'bitly'."""
     Value = ShrinkService
 
     def __init__(self, *args, **kwargs):
@@ -97,4 +97,13 @@ conf.registerChannelValue(ShrinkUrl, 'serviceRotation',
     ShrinkCycle([], _("""If set to a non-empty value, specifies the list of
     services to rotate through for the shrinkSnarfer and outFilter.""")))
 
+conf.registerGroup(ShrinkUrl, 'bitly')
+conf.registerGlobalValue(ShrinkUrl.bitly, 'login',
+    registry.String('', _("""Determines the API Login string used for
+    shortening using the Bit.ly service."""), private=True))
+conf.registerGlobalValue(ShrinkUrl.bitly, 'apiKey',
+    registry.String('', _("""Determines the API Key string used for
+    shortening using the Bit.ly service."""), private=True))
+
+
 # vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:

plugins/ShrinkUrl/plugin.py

@@ -255,6 +255,39 @@ class ShrinkUrl(callbacks.PluginRegexp):
             irc.error(str(e))
     x0 = thread(wrap(x0, ['httpUrl']))
 
+    _bitlyApi = 'http://api.bit.ly/shorten?format=txt&login=%s&apiKey=%s&longUrl=%s'
+    @retry
+    def _getbitlyUrl(self, url):
+        try:
+            return self.db.get('bitly', url)
+        except KeyError:
+            text = utils.web.getUrl(self._bitlyApi %
+                                    (self.registryValue('bitly.login'),
+                                    self.registryValue('bitly.apiKey'),
+                                    url)).decode()
+            if not text.startswith('http'):
+                raise ShrinkError(text)
+            self.db.set('bitly', url, text)
+            return text
+
+    @internationalizeDocstring
+    def bitly(self, irc, msg, args, url):
+        """<url>
+
+        Returns an bitly version of <url>.
+        """
+        if not (self.registryValue('bitly.login') or
+                self.registryValue('bitly.apiKey')):
+            irc.error(_("""Bit.ly Requested but login and apiKey are empty."""))
+        try:
+            bitlyurl = self._getbitlyUrl(url)
+            m = irc.reply(bitlyurl)
+            if m is not None:
+                m.tag('shrunken')
+        except ShrinkError as e:
+            irc.error(str(e))
+    bitly = thread(wrap(bitly, ['httpUrl']))
+
     @retry
     def _getExpandUrl(self, url):
         url = utils.web.urlquote(url)