1 files changed, 59 insertions, 0 deletions
diff --git a/src/tablib/formats/_json.py b/src/tablib/formats/_json.py
new file mode 100644
index 0000000..009fb3c
--- /dev/null
+++ b/src/tablib/formats/_json.py
@@ -0,0 +1,59 @@
+# -*- coding: utf-8 -*-
+
+""" Tablib - JSON Support
+"""
+import decimal
+import json
+from uuid import UUID
+
+import tablib
+
+
+title = 'json'
+extensions = ('json', 'jsn')
+
+
+def serialize_objects_handler(obj):
+    if isinstance(obj, (decimal.Decimal, UUID)):
+        return str(obj)
+    elif hasattr(obj, 'isoformat'):
+        return obj.isoformat()
+    else:
+        return obj
+
+
+def export_set(dataset):
+    """Returns JSON representation of Dataset."""
+    return json.dumps(dataset.dict, default=serialize_objects_handler)
+
+
+def export_book(databook):
+    """Returns JSON representation of Databook."""
+    return json.dumps(databook._package(), default=serialize_objects_handler)
+
+
+def import_set(dset, in_stream):
+    """Returns dataset from JSON stream."""
+
+    dset.wipe()
+    dset.dict = json.loads(in_stream)
+
+
+def import_book(dbook, in_stream):
+    """Returns databook from JSON stream."""
+
+    dbook.wipe()
+    for sheet in json.loads(in_stream):
+        data = tablib.Dataset()
+        data.title = sheet['title']
+        data.dict = sheet['data']
+        dbook.add_sheet(data)
+
+
+def detect(stream):
+    """Returns True if given stream is valid JSON."""
+    try:
+        json.loads(stream)
+        return True
+    except (TypeError, ValueError):
+        return False