Alex's style and change recommendations

taggit/contrib/suggest/README.txt

@@ -11,9 +11,10 @@ For example, if your site is a humor site you might want to collapse all of
 suggest_tags() function in taggit.contrib.suggest.utils will give you a list
 of tags that seem appropriate for the text content given to it.  
 
-It will also do some basic stemming of the keywords for you! Which requires the 
-Python NLTK. 
+TODO
+====
 
-In a later version I hope to a simple way to help determine keywords for you
-automatically, by learning from your past tags and content. 
+* Basic stemming of the keywords for you! Which will require the Python NLTK. 
 
+* In a later version I hope to a simple way to help determine keywords for you
+automatically, by learning from your past tags and content. 

taggit/contrib/suggest/admin.py

@@ -4,6 +4,7 @@ from taggit.models import Tag
 from taggit.admin import TaggedItemInline 
 from taggit.contrib.suggest.models import TagKeyword, TagRegExp
 
+
 class TagKeywordInline(admin.StackedInline):
     model = TagKeyword 
 

taggit/contrib/suggest/models.py

 import re 
+
 from django.db import models 
 from django.core.exceptions import ValidationError 
 from taggit.models import Tag 
 
+
 class TagKeyword(models.Model): 
     """ Model to associate simple keywords to a Tag """ 
     tag = models.ForeignKey(Tag, related_name='keywords')
@@ -25,7 +27,6 @@ class TagRegExp(models.Model):
     regexp = models.CharField(max_length=250,
                              validators=[validate_regexp],
                              )
-    case_insensitive = models.BooleanField(default=False)
 
     def __unicode__(self): 
         return self.name 

taggit/contrib/suggest/tests/__init__.py

-from taggit.contrib.suggest.tests.tests import AddKeywordCase, AddRegexpCase, SuggestCase
+from taggit.contrib.suggest.tests.tests import SuggestCase
 

taggit/contrib/suggest/tests/tests.py

@@ -4,25 +4,6 @@ from taggit.models import Tag
 from taggit.contrib.suggest.models import TagKeyword, TagRegExp
 from taggit.contrib.suggest.utils import suggest_tags 
 
-class AddKeywordCase(TestCase): 
-    def test_adding_keyword(self): 
-        new_tag = Tag.objects.create(name='ku')
-        new_keyword = TagKeyword.objects.create(
-                            tag=new_tag, 
-                            keyword='kansas university')
-        self.assertTrue(new_keyword)
-        self.assertTrue(new_keyword.tag == new_tag)
-        
-class AddRegexpCase(TestCase): 
-    def test_adding_regexp(self): 
-        new_tag = Tag.objects.create(name='ku')
-        new_regexp = TagRegExp.objects.create(
-                            tag=new_tag, 
-                            name='Find University of Kansas',
-                            regexp='University\s+of\s+Kansas')
-        self.assertTrue(new_regexp)
-        self.assertTrue(new_regexp.tag == new_tag) 
-
 class SuggestCase(TestCase): 
     def test_simple_suggest(self): 
         ku_tag = Tag.objects.create(name='ku')

taggit/contrib/suggest/utils.py

@@ -3,6 +3,7 @@ from taggit.models import Tag
 from taggit.contrib.suggest.models import TagKeyword, TagRegExp
 from django.conf import settings 
 
+
 HAS_NLTK = True 
 try: 
     from nltk.stemmer.porter import PorterStemmer
@@ -16,7 +17,7 @@ def _suggest_keywords(content=None):
 
     for k in keywords: 
         if k[0] in content: 
-            suggested_keywords.add(str(k[1]))
+            suggested_keywords.add(k[1])
 
     return suggested_keywords 
 
@@ -28,42 +29,26 @@ def _suggest_regexps(content=None):
     regexp_keywords = TagRegExp.objects.values_list(
                             'regexp', 
                             'tag', 
-                            'case_insensitive')
+                            )
 
     for r in regexp_keywords: 
-        try: 
-            if r[2]: 
-                reg = re.compile(r[0], re.IGNORE_CASE)
-            else:
-                reg = re.compile(r[0])
-        except: 
-            # Skip any badly formed regular expressions silently 
-            continue 
-        regexps.add((reg,r[1]))
+        regexps.add((re.compile(r[0]), r[1]))
 
     # Look for our regular expressions in the content 
     for r in regexps:
         if r[0].search(content):
-            suggested_regexps.add(str(r[1]))
+            suggested_regexps.add(r[1])
 
     return suggested_regexps 
 
 def suggest_tags(content=None):
     """ Suggest tags based on text content """ 
-
-    if not content: 
-        return
-
-    MAX_LENGTH = getattr(settings, 'TAGGIT_SUGGEST_MAX_LENGTH', None)
-    if MAX_LENGTH: 
-        content = content[0:settings.TAGGIT_SUGGEST_MAX_LENGTH]
-
     suggested_keywords = _suggest_keywords(content)
     suggested_regexps  = _suggest_regexps(content) 
     suggested_tag_ids  = suggested_keywords | suggested_regexps
 
     # Turn the found IDs into tags 
-    where_string = 'id IN (%s)' % ','.join(suggested_tag_ids)
+    where_string = 'id IN (%s)' % ','.join([str(x) for x in suggested_tag_ids])
     tags = Tag.objects.extra(where=[where_string])
 
     return tags