Ticket #11486: remove_doctests.diff

File remove_doctests.diff, 24.2 KB (added by niall, 14 years ago)

Replaces the existing doctests with unittests.

  • tests/modeltests/serializers/models.py

     
    106106    team = TeamField()
    107107
    108108    def __unicode__(self):
    109         return u'%s (%d) playing for %s' % (self.name, self.rank, self.team.to_string())
    110 
    111 __test__ = {'API_TESTS':"""
    112 # Create some data:
    113 >>> from datetime import datetime
    114 >>> sports = Category(name="Sports")
    115 >>> music = Category(name="Music")
    116 >>> op_ed = Category(name="Op-Ed")
    117 >>> sports.save(); music.save(); op_ed.save()
    118 
    119 >>> joe = Author(name="Joe")
    120 >>> jane = Author(name="Jane")
    121 >>> joe.save(); jane.save()
    122 
    123 >>> a1 = Article(
    124 ...     author = jane,
    125 ...     headline = "Poker has no place on ESPN",
    126 ...     pub_date = datetime(2006, 6, 16, 11, 00))
    127 >>> a2 = Article(
    128 ...     author = joe,
    129 ...     headline = "Time to reform copyright",
    130 ...     pub_date = datetime(2006, 6, 16, 13, 00, 11, 345))
    131 >>> a1.save(); a2.save()
    132 >>> a1.categories = [sports, op_ed]
    133 >>> a2.categories = [music, op_ed]
    134 
    135 # Serialize a queryset to XML
    136 >>> from django.core import serializers
    137 >>> xml = serializers.serialize("xml", Article.objects.all())
    138 
    139 # The output is valid XML
    140 >>> from xml.dom import minidom
    141 >>> dom = minidom.parseString(xml)
    142 
    143 # Deserializing has a similar interface, except that special DeserializedObject
    144 # instances are returned.  This is because data might have changed in the
    145 # database since the data was serialized (we'll simulate that below).
    146 >>> for obj in serializers.deserialize("xml", xml):
    147 ...     print obj
    148 <DeserializedObject: serializers.Article(pk=1)>
    149 <DeserializedObject: serializers.Article(pk=2)>
    150 
    151 # Deserializing data with different field values doesn't change anything in the
    152 # database until we call save():
    153 >>> xml = xml.replace("Poker has no place on ESPN", "Poker has no place on television")
    154 >>> objs = list(serializers.deserialize("xml", xml))
    155 
    156 # Even those I deserialized, the database hasn't been touched
    157 >>> Article.objects.all()
    158 [<Article: Poker has no place on ESPN>, <Article: Time to reform copyright>]
    159 
    160 # But when I save, the data changes as you might except.
    161 >>> objs[0].save()
    162 >>> Article.objects.all()
    163 [<Article: Poker has no place on television>, <Article: Time to reform copyright>]
    164 
    165 # Django also ships with a built-in JSON serializers
    166 >>> json = serializers.serialize("json", Category.objects.filter(pk=2))
    167 >>> json
    168 '[{"pk": 2, "model": "serializers.category", "fields": {"name": "Music"}}]'
    169 
    170 # You can easily create new objects by deserializing data with an empty PK
    171 # (It's easier to demo this with JSON...)
    172 >>> new_author_json = '[{"pk": null, "model": "serializers.author", "fields": {"name": "Bill"}}]'
    173 >>> for obj in serializers.deserialize("json", new_author_json):
    174 ...     obj.save()
    175 >>> Author.objects.all()
    176 [<Author: Bill>, <Author: Jane>, <Author: Joe>]
    177 
    178 # All the serializers work the same
    179 >>> json = serializers.serialize("json", Article.objects.all())
    180 >>> for obj in serializers.deserialize("json", json):
    181 ...     print obj
    182 <DeserializedObject: serializers.Article(pk=1)>
    183 <DeserializedObject: serializers.Article(pk=2)>
    184 
    185 >>> json = json.replace("Poker has no place on television", "Just kidding; I love TV poker")
    186 >>> for obj in serializers.deserialize("json", json):
    187 ...     obj.save()
    188 
    189 >>> Article.objects.all()
    190 [<Article: Just kidding; I love TV poker>, <Article: Time to reform copyright>]
    191 
    192 # If you use your own primary key field (such as a OneToOneField),
    193 # it doesn't appear in the serialized field list - it replaces the
    194 # pk identifier.
    195 >>> profile = AuthorProfile(author=joe, date_of_birth=datetime(1970,1,1))
    196 >>> profile.save()
    197 
    198 >>> json = serializers.serialize("json", AuthorProfile.objects.all())
    199 >>> json
    200 '[{"pk": 1, "model": "serializers.authorprofile", "fields": {"date_of_birth": "1970-01-01"}}]'
    201 
    202 >>> for obj in serializers.deserialize("json", json):
    203 ...     print obj
    204 <DeserializedObject: serializers.AuthorProfile(pk=1)>
    205 
    206 # Objects ids can be referenced before they are defined in the serialization data
    207 # However, the deserialization process will need to be contained within a transaction
    208 >>> json = '[{"pk": 3, "model": "serializers.article", "fields": {"headline": "Forward references pose no problem", "pub_date": "2006-06-16 15:00:00", "categories": [4, 1], "author": 4}}, {"pk": 4, "model": "serializers.category", "fields": {"name": "Reference"}}, {"pk": 4, "model": "serializers.author", "fields": {"name": "Agnes"}}]'
    209 >>> from django.db import transaction
    210 >>> transaction.enter_transaction_management()
    211 >>> transaction.managed(True)
    212 >>> for obj in serializers.deserialize("json", json):
    213 ...     obj.save()
    214 
    215 >>> transaction.commit()
    216 >>> transaction.leave_transaction_management()
    217 
    218 >>> article = Article.objects.get(pk=3)
    219 >>> article
    220 <Article: Forward references pose no problem>
    221 >>> article.categories.all()
    222 [<Category: Reference>, <Category: Sports>]
    223 >>> article.author
    224 <Author: Agnes>
    225 
    226 # Serializer output can be restricted to a subset of fields
    227 >>> print serializers.serialize("json", Article.objects.all(), fields=('headline','pub_date'))
    228 [{"pk": 1, "model": "serializers.article", "fields": {"headline": "Just kidding; I love TV poker", "pub_date": "2006-06-16 11:00:00"}}, {"pk": 2, "model": "serializers.article", "fields": {"headline": "Time to reform copyright", "pub_date": "2006-06-16 13:00:11"}}, {"pk": 3, "model": "serializers.article", "fields": {"headline": "Forward references pose no problem", "pub_date": "2006-06-16 15:00:00"}}]
    229 
    230 # Every string is serialized as a unicode object, also primary key
    231 # which is 'varchar'
    232 >>> ac = Actor(name="Zażółć")
    233 >>> mv = Movie(title="Gęślą jaźń", actor=ac)
    234 >>> ac.save(); mv.save()
    235 
    236 # Let's serialize our movie
    237 >>> print serializers.serialize("json", [mv])
    238 [{"pk": 1, "model": "serializers.movie", "fields": {"price": "0.00", "actor": "Za\u017c\u00f3\u0142\u0107", "title": "G\u0119\u015bl\u0105 ja\u017a\u0144"}}]
    239 
    240 # Deserialization of movie
    241 >>> list(serializers.deserialize('json', serializers.serialize('json', [mv])))[0].object.title
    242 u'G\u0119\u015bl\u0105 ja\u017a\u0144'
    243 
    244 # None is null after serialization to json
    245 # Primary key is None in case of not saved model
    246 >>> mv2 = Movie(title="Movie 2", actor=ac)
    247 >>> print serializers.serialize("json", [mv2])
    248 [{"pk": null, "model": "serializers.movie", "fields": {"price": "0.00", "actor": "Za\u017c\u00f3\u0142\u0107", "title": "Movie 2"}}]
    249 
    250 # Deserialization of null returns None for pk
    251 >>> print list(serializers.deserialize('json', serializers.serialize('json', [mv2])))[0].object.id
    252 None
    253 
    254 # Serialization and deserialization of floats:
    255 >>> sc = Score(score=3.4)
    256 >>> print serializers.serialize("json", [sc])
    257 [{"pk": null, "model": "serializers.score", "fields": {"score": 3.4}}]
    258 >>> print list(serializers.deserialize('json', serializers.serialize('json', [sc])))[0].object.score
    259 3.4
    260 
    261 # Custom field with non trivial to string convertion value
    262 >>> player = Player()
    263 >>> player.name = "Soslan Djanaev"
    264 >>> player.rank = 1
    265 >>> player.team = Team("Spartak Moskva")
    266 >>> player.save()
    267 
    268 >>> serialized = serializers.serialize("json", Player.objects.all())
    269 >>> print serialized
    270 [{"pk": 1, "model": "serializers.player", "fields": {"name": "Soslan Djanaev", "rank": 1, "team": "Spartak Moskva"}}]
    271 
    272 >>> obj = list(serializers.deserialize("json", serialized))[0]
    273 >>> print obj
    274 <DeserializedObject: serializers.Player(pk=1)>
    275 
    276 # Regression for #12524 -- dates before 1000AD get prefixed 0's on the year
    277 >>> a = Article.objects.create(
    278 ...     pk=4,
    279 ...     author = jane,
    280 ...     headline = "Nobody remembers the early years",
    281 ...     pub_date = datetime(1, 2, 3, 4, 5, 6))
    282 
    283 >>> serialized = serializers.serialize("json", [a])
    284 >>> print serialized
    285 [{"pk": 4, "model": "serializers.article", "fields": {"headline": "Nobody remembers the early years", "pub_date": "0001-02-03 04:05:06", "categories": [], "author": 2}}]
    286 
    287 >>> obj = list(serializers.deserialize("json", serialized))[0]
    288 >>> print obj.object.pub_date
    289 0001-02-03 04:05:06
    290 
    291 """}
    292 
    293 try:
    294     import yaml
    295     __test__['YAML'] = """
    296 # Create some data:
    297 
    298 >>> articles = Article.objects.all().order_by("id")[:2]
    299 >>> from django.core import serializers
    300 
    301 # test if serial
    302 
    303 >>> serialized = serializers.serialize("yaml", articles)
    304 >>> print serialized
    305 - fields:
    306     author: 2
    307     categories: [3, 1]
    308     headline: Just kidding; I love TV poker
    309     pub_date: 2006-06-16 11:00:00
    310   model: serializers.article
    311   pk: 1
    312 - fields:
    313     author: 1
    314     categories: [2, 3]
    315     headline: Time to reform copyright
    316     pub_date: 2006-06-16 13:00:11
    317   model: serializers.article
    318   pk: 2
    319 <BLANKLINE>
    320 
    321 >>> obs = list(serializers.deserialize("yaml", serialized))
    322 >>> for i in obs:
    323 ...     print i
    324 <DeserializedObject: serializers.Article(pk=1)>
    325 <DeserializedObject: serializers.Article(pk=2)>
    326 
    327 # Custom field with non trivial to string convertion value with YAML serializer
    328 
    329 >>> print serializers.serialize("yaml", Player.objects.all())
    330 - fields: {name: Soslan Djanaev, rank: 1, team: Spartak Moskva}
    331   model: serializers.player
    332   pk: 1
    333 <BLANKLINE>
    334 
    335 >>> serialized = serializers.serialize("yaml", Player.objects.all())
    336 >>> obj = list(serializers.deserialize("yaml", serialized))[0]
    337 >>> print obj
    338 <DeserializedObject: serializers.Player(pk=1)>
    339 
    340 
    341 """
    342 except ImportError:
    343     pass
    344 
     109        return u'%s (%d) playing for %s' % (self.name, self.rank, self.team.to_string())
     110 No newline at end of file

  • tests/modeltests/serializers/tests.py

     
     1# -*- coding: utf-8 -*-
     2from datetime import datetime
     3from StringIO import StringIO
     4from xml.dom import minidom
     5
     6from django.core import serializers
     7from django.db import transaction
     8from django.test import TestCase
     9from django.utils import simplejson
     10
     11from models import Category, Author, Article, AuthorProfile, Actor, \
     12                                    Movie, Score, Player, Team
     13
     14class SerializersTestBase(object):
     15
     16    def setUp(self):
     17        self.categories = {"sports": Category(name="Sports"),
     18                "music": Category(name="Music"),
     19                "op_ed": Category(name="Op-Ed"),}
     20        for category in self.categories:
     21            self.categories[category].save()
     22
     23        self.authors ={"joe": Author(name="Joe"),
     24                "jane": Author(name="Jane")}
     25        for author in self.authors:
     26            self.authors[author].save()
     27
     28        self.a1 = Article(
     29            author = self.authors["jane"],
     30            headline = "Poker has no place on ESPN",
     31            pub_date = datetime(2006, 6, 16, 11, 00))
     32        self.a2 = Article(
     33            author = self.authors["joe"],
     34            headline = "Time to reform copyright",
     35            pub_date = datetime(2006, 6, 16, 13, 00, 11, 345))
     36        self.a1.save()
     37        self.a2.save()
     38        self.a1.categories = [self.categories["sports"],
     39                              self.categories["op_ed"]]
     40        self.a2.categories = [self.categories["music"],
     41                              self.categories["op_ed"]]
     42
     43    def test_serialize(self):
     44        """Tests that basic serialization works."""
     45        serial_str = serializers.serialize(self.serializer_name,
     46                                           Article.objects.all())
     47        self.assertTrue(self._validate_output(serial_str))
     48
     49    def test_serializer_roundtrip(self):
     50        """Tests that serialized content can be deserialized."""
     51        serial_str = serializers.serialize(self.serializer_name,
     52                                           Article.objects.all())
     53        models = list(serializers.deserialize(self.serializer_name, serial_str))
     54        self.assertEqual(len(models), 2)
     55
     56    def test_altering_serialized_output(self):
     57        """
     58        Tests the ability to create new objects by
     59        modifying serialized content.
     60        """
     61        old_headline = "Poker has no place on ESPN"
     62        new_headline = "Poker has no place on television"
     63        serial_str = serializers.serialize(self.serializer_name,
     64                                           Article.objects.all())
     65        serial_str = serial_str.replace("Poker has no place on ESPN",
     66                                        "Poker has no place on television")
     67        models = list(serializers.deserialize(self.serializer_name, serial_str))
     68
     69        self.assertTrue(Article.objects.filter(headline=old_headline))
     70        self.assertFalse(Article.objects.filter(headline=new_headline))
     71
     72        for model in models:
     73            model.save()
     74        self.assertTrue(Article.objects.filter(headline=new_headline))
     75        self.assertFalse(Article.objects.filter(headline=old_headline))
     76
     77    def test_one_to_one_as_pk(self):
     78        """
     79        Tests that if you use your own primary key field
     80        (such as a OneToOneField), it doesn't appear in the
     81        serialized field list - it replaces the pk identifier.
     82        """
     83        profile = AuthorProfile(author=self.authors["joe"],
     84                                date_of_birth=datetime(1970,1,1))
     85        profile.save()
     86        serial_str = serializers.serialize(self.serializer_name,
     87                                           AuthorProfile.objects.all())
     88        for obj in serializers.deserialize(self.serializer_name, serial_str):
     89            obj_pk = obj.object.pk
     90            # If we are serializing using XML we need to convert the primary
     91            # key to an int before comparing
     92            if self.serializer_name == "xml":
     93                obj_pk = int(obj_pk)
     94            self.assertEqual(obj_pk, self.authors["joe"].pk)
     95
     96    def test_forward_refs(self):
     97        """
     98        Tests that objects ids can be referenced before they are
     99        defined in the serialization data.
     100        """
     101        # Clear out the existing models so that our primary keys won't
     102        # already be taken
     103        Category.objects.all().delete()
     104        Author.objects.all().delete()
     105        Article.objects.all().delete()
     106
     107        # The deserialization process will need to be contained
     108        # within a transaction.
     109        transaction.enter_transaction_management()
     110        transaction.managed(True)
     111        objs = serializers.deserialize(self.serializer_name, self.fwd_ref_str)
     112        for obj in objs:
     113            obj.save()
     114        transaction.commit()
     115        transaction.leave_transaction_management()
     116
     117        for model_cls in (Category, Author, Article):
     118            self.assertEqual(model_cls.objects.all().count(), 1)
     119        art_obj = Article.objects.all()[0]
     120        self.assertEqual(art_obj.categories.all().count(), 1)
     121        self.assertEqual(art_obj.author.name, "Agnes")
     122
     123    def test_serialize_field_subset(self):
     124        """Tests that output can be restricted to a subset of fields"""
     125        valid_fields = ('headline','pub_date')
     126        invalid_fields = ("author", "categories")
     127        serial_str = serializers.serialize(self.serializer_name,
     128                                    Article.objects.all(),
     129                                    fields=valid_fields)
     130        for field_name in invalid_fields:
     131            self.assertFalse(self._get_field_values(serial_str, field_name))
     132
     133        for field_name in valid_fields:
     134            self.assertTrue(self._get_field_values(serial_str, field_name))
     135
     136    def test_serialize_unicode(self):
     137        """Tests that unicode makes the roundtrip intact"""
     138        actor_name = u"Za\u017c\u00f3\u0142\u0107"
     139        json_name = r"Za\u017c\u00f3\u0142\u0107"
     140        movie_title = u'G\u0119\u015bl\u0105 ja\u017a\u0144'
     141        json_title = r'G\u0119\u015bl\u0105 ja\u017a\u0144'
     142        ac = Actor(name=actor_name)
     143        mv = Movie(title=movie_title, actor=ac)
     144        ac.save()
     145        mv.save()
     146
     147        serial_str = serializers.serialize(self.serializer_name, [mv])
     148        if self.serializer_name == "xml":
     149            self.assertTrue(serial_str.find(movie_title.encode("utf8")) > -1)
     150            self.assertTrue(serial_str.find(actor_name.encode("utf8")) > -1)
     151        elif self.serializer_name == "json":
     152            self.assertTrue(serial_str.find(json_title) > -1)
     153            self.assertTrue(serial_str.find(json_name) > -1)
     154        elif self.serializer_name == "yaml":
     155            # Because YAML can split strings across multiple lines
     156            # we need to use  _get_field_values to get values to compare to
     157            cmp_title = self._get_field_values(serial_str, "title")[0]
     158            cmp_name = self._get_field_values(serial_str, "actor")[0]
     159            self.assertEqual(cmp_title, movie_title)
     160            self.assertEqual(cmp_name, actor_name)
     161        else:
     162            self.assertTrue(False)
     163
     164        obj_list = list(serializers.deserialize(self.serializer_name,
     165                                                serial_str))
     166        mv_obj = obj_list[0].object
     167        self.assertEqual(mv_obj.title, movie_title)
     168
     169    def test_serialize_with_null_pk(self):
     170        """
     171        Tests that serialized data with no primary key results
     172        in a model instance with no id
     173        """
     174        category = Category(name="Reference")
     175        serial_str = serializers.serialize(self.serializer_name, [category])
     176        cat_obj = list(serializers.deserialize(self.serializer_name,
     177                                               serial_str))[0].object
     178        self.assertEqual(cat_obj.id, None)
     179
     180    def test_float_serialization(self):
     181        """Tests that float values serialize and deserialize intact"""
     182        sc = Score(score=3.4)
     183        sc.save()
     184        serial_str = serializers.serialize(self.serializer_name, [sc])
     185        deserial_objs = list(serializers.deserialize(self.serializer_name,
     186                                                serial_str))
     187        self.assertEqual(deserial_objs[0].object.score, 3.4)
     188
     189    def test_custom_field_serialization(self):
     190        """Tests that custom fields serialize and deserialize intact"""
     191        team_str = "Spartak Moskva"
     192        player = Player()
     193        player.name = "Soslan Djanaev"
     194        player.rank = 1
     195        player.team = Team(team_str)
     196        player.save()
     197        serial_str = serializers.serialize(self.serializer_name,
     198                                           Player.objects.all())
     199        team = self._get_field_values(serial_str, "team")
     200        self.assertTrue(team)
     201        self.assertEqual(team[0], team_str)
     202
     203        deserial_objs = list(serializers.deserialize(self.serializer_name,
     204                                                serial_str))
     205        self.assertEqual(deserial_objs[0].object.team.to_string(),
     206                                    player.team.to_string())
     207
     208    def test_pre_1000ad_date(self):
     209        """Tests that year values before 1000AD are properly formatted"""
     210        # Regression for #12524 -- dates before 1000AD get prefixed
     211        # 0's on the year
     212        a = Article.objects.create(
     213        author = self.authors["jane"],
     214        headline = "Nobody remembers the early years",
     215        pub_date = datetime(1, 2, 3, 4, 5, 6))
     216
     217        serial_str = serializers.serialize(self.serializer_name, [a])
     218        date_values = self._get_field_values(serial_str, "pub_date")
     219        self.assertTrue(date_values)
     220        assert date_values[0].startswith("0001")
     221
     222
     223class XmlSerializerTestCase(SerializersTestBase, TestCase):
     224    serializer_name = "xml"
     225    fwd_ref_str = ('<?xml version="1.0" encoding="utf-8"?>'
     226                           '<django-objects version="1.0">'
     227                           '<object pk="1" model="serializers.article">'
     228                           '<field to="serializers.author" name="author" '
     229                           'rel="ManyToOneRel">1</field>'
     230                           '<field type="CharField" name="headline">'
     231                           'Forward references pose no problem</field>'
     232                           '<field type="DateTimeField" name="pub_date">'
     233                           '2006-06-16 15:00:00</field>'
     234                           '<field to="serializers.category" name="categories"'
     235                           ' rel="ManyToManyRel">'
     236                           '<object pk="1"></object></field></object>'
     237                           '<object pk="1" model="serializers.author">'
     238                           '<field type="CharField" name="name">'
     239                           'Agnes</field></object>'
     240                            '<object pk="1" model="serializers.category">'
     241                            '<field type="CharField" name="name">'
     242                            'Reference</field></object>'
     243                            '</django-objects>')
     244
     245    @staticmethod
     246    def _validate_output(serial_str):
     247        try:
     248            minidom.parseString(serial_str)
     249        except Exception:
     250            return False
     251        else:
     252            return True
     253
     254    @staticmethod
     255    def _get_field_values(serial_str, field_name):
     256        ret_list = []
     257        dom = minidom.parseString(serial_str)
     258        fields = dom.getElementsByTagName("field")
     259        for field in fields:
     260            if field.getAttribute("name") == field_name:
     261                temp = []
     262                for child in field.childNodes:
     263                    temp.append(child.nodeValue)
     264                ret_list.append("".join(temp))
     265        return ret_list
     266
     267
     268class JsonSerializerTestCase(SerializersTestBase, TestCase):
     269    serializer_name = "json"
     270    fwd_ref_str = ('[{"pk": 1, "model": "serializers.article", "fields":'
     271                    '{"headline": "Forward references pose no problem",'
     272                    '"pub_date": "2006-06-16 15:00:00",'
     273                    '"categories": [1], "author": 1}},'
     274                    '{"pk": 1, "model": "serializers.category",'
     275                    '"fields": {"name": "Reference"}},'
     276                    '{"pk": 1, "model": "serializers.author",'
     277                    '"fields": {"name": "Agnes"}}]')
     278
     279    @staticmethod
     280    def _validate_output(serial_str):
     281        try:
     282            simplejson.loads(serial_str)
     283        except Exception:
     284            return False
     285        else:
     286            return True
     287
     288    @staticmethod
     289    def _get_field_values(serial_str, field_name):
     290        ret_list = []
     291        serial_list = simplejson.loads(serial_str)
     292        for obj_dict in serial_list:
     293            if field_name in obj_dict["fields"]:
     294                ret_list.append(obj_dict["fields"][field_name])
     295        return ret_list
     296
     297try:
     298    import yaml
     299except ImportError:
     300    pass
     301else:
     302    class YamlSerializerTestCase(SerializersTestBase, TestCase):
     303        serializer_name = "yaml"
     304        fwd_ref_str = "\n".join(["- fields:",
     305                        "    headline: Forward references pose no problem",
     306                        '    pub_date: 2006-06-16 15:00:00',
     307                        '    categories: [1]',
     308                        '    author: 1',
     309                        '  pk: 1',
     310                        '  model: serializers.article',
     311                        '- fields:',
     312                        '    name: Reference',
     313                        '  pk: 1',
     314                        '  model: serializers.category',
     315                        '- fields:',
     316                        '    name: Agnes',
     317                        '  pk: 1',
     318                        '  model: serializers.author',])
     319
     320        @staticmethod
     321        def _validate_output(serial_str):
     322            try:
     323                yaml.load(StringIO(serial_str))
     324            except Exception:
     325                return False
     326            else:
     327                return True
     328
     329        @staticmethod
     330        def _get_field_values(serial_str, field_name):
     331            ret_list = []
     332            stream = StringIO(serial_str)
     333            for obj_dict in yaml.load(stream):
     334                if "fields" in obj_dict and field_name in obj_dict["fields"]:
     335                    field_value = obj_dict["fields"][field_name]
     336                    # yaml.load will return non-string objects for some
     337                    # of the fields we are interested in, this ensures that
     338                    # everything comes back as a string
     339                    if isinstance(field_value, basestring):
     340                        ret_list.append(field_value)
     341                    else:
     342                        ret_list.append(str(field_value))
     343            return ret_list
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