Remove YAML support from core

1 files changed, 1 insertions, 64 deletions

diff --git a/rest_framework/utils/encoders.py b/rest_framework/utils/encoders.py
index 4d6bb3a3..2c97f1d7 100644
--- a/rest_framework/utils/encoders.py
+++ b/rest_framework/utils/encoders.py
@@ -5,10 +5,9 @@ from __future__ import unicode_literals
 from django.db.models.query import QuerySet
 from django.utils import six, timezone
 from django.utils.functional import Promise
-from rest_framework.compat import force_text, OrderedDict
+from rest_framework.compat import force_text
 import datetime
 import decimal
-import types
 import json
 
 
@@ -56,65 +55,3 @@ class JSONEncoder(json.JSONEncoder):
         elif hasattr(obj, '__iter__'):
             return tuple(item for item in obj)
         return super(JSONEncoder, self).default(obj)
-
-
-try:
-    import yaml
-except ImportError:
-    SafeDumper = None
-else:
-    # Adapted from http://pyyaml.org/attachment/ticket/161/use_ordered_dict.py
-    class SafeDumper(yaml.SafeDumper):
-        """
-        Handles decimals as strings.
-        Handles OrderedDicts as usual dicts, but preserves field order, rather
-        than the usual behaviour of sorting the keys.
-        """
-        def represent_decimal(self, data):
-            return self.represent_scalar('tag:yaml.org,2002:str', six.text_type(data))
-
-        def represent_mapping(self, tag, mapping, flow_style=None):
-            value = []
-            node = yaml.MappingNode(tag, value, flow_style=flow_style)
-            if self.alias_key is not None:
-                self.represented_objects[self.alias_key] = node
-            best_style = True
-            if hasattr(mapping, 'items'):
-                mapping = list(mapping.items())
-                if not isinstance(mapping, OrderedDict):
-                    mapping.sort()
-            for item_key, item_value in mapping:
-                node_key = self.represent_data(item_key)
-                node_value = self.represent_data(item_value)
-                if not (isinstance(node_key, yaml.ScalarNode) and not node_key.style):
-                    best_style = False
-                if not (isinstance(node_value, yaml.ScalarNode) and not node_value.style):
-                    best_style = False
-                value.append((node_key, node_value))
-            if flow_style is None:
-                if self.default_flow_style is not None:
-                    node.flow_style = self.default_flow_style
-                else:
-                    node.flow_style = best_style
-            return node
-
-    SafeDumper.add_representer(
-        decimal.Decimal,
-        SafeDumper.represent_decimal
-    )
-    SafeDumper.add_representer(
-        OrderedDict,
-        yaml.representer.SafeRepresenter.represent_dict
-    )
-    # SafeDumper.add_representer(
-    #     DictWithMetadata,
-    #     yaml.representer.SafeRepresenter.represent_dict
-    # )
-    # SafeDumper.add_representer(
-    #     OrderedDictWithMetadata,
-    #     yaml.representer.SafeRepresenter.represent_dict
-    # )
-    SafeDumper.add_representer(
-        types.GeneratorType,
-        yaml.representer.SafeRepresenter.represent_list
-    )