User actions dialog now works, the spell checker module ignores twitter usernames, hashtags, URL and email addresses

src/extra/SpellChecker/spellchecker.py

@@ -8,6 +8,8 @@ import config
 import languageHandler
 from enchant.checker import SpellChecker
 from enchant.errors import DictNotFoundError
+from enchant import tokenize
+import twitterFilter
 
 class spellChecker(object):
  def __init__(self, text, dictionary):
@@ -17,10 +19,10 @@ class spellChecker(object):
   try:
    if config.app["app-settings"]["language"] == "system":
     log.debug("Using the system language")
-    self.checker = SpellChecker()
+    self.checker = SpellChecker(filters=[twitterFilter.TwitterFilter, tokenize.EmailFilter, tokenize.URLFilter])
    else:
     log.debug("Using language: %s" % (languageHandler.getLanguage(),))
-    self.checker = SpellChecker(languageHandler.getLanguage())
+    self.checker = SpellChecker(languageHandler.getLanguage(), filters=[twitterFilter.TwitterFilter, tokenize.EmailFilter, tokenize.URLFilter])
    self.checker.set_text(text)
   except DictNotFoundError:
    log.exception("Dictionary for language %s not found." % (dictionary,))

src/extra/SpellChecker/twitterFilter.py

@@ -0,0 +1,15 @@
+# -*- coding: utf-8 -*-
+import re
+from enchant.tokenize import Filter
+
+class TwitterFilter(Filter):
+    """Filter skipping over twitter usernames and hashtags.
+    This filter skips any words matching the following regular expression:
+    ^[#@](\S){1, }$
+    That is, any words that resemble users and hashtags.
+    """
+    _pattern = re.compile(r"^[#@](\S){1,}$")
+    def _skip(self,word):
+        if self._pattern.match(word):
+            return True
+        return False