add UUID support (#1241)

sanic/router.py

@@ -1,4 +1,5 @@
 import re
+import uuid
 from collections import defaultdict, namedtuple
 from collections.abc import Iterable
 from functools import lru_cache
@@ -18,6 +19,8 @@ REGEX_TYPES = {
     'number': (float, r'[0-9\\.]+'),
     'alpha': (str, r'[A-Za-z]+'),
     'path': (str, r'[^/].*?'),
+    'uuid': (uuid.UUID, r'[A-Fa-f0-9]{8}-[A-Fa-f0-9]{4}-'
+             r'[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{12}')
 }
 
 ROUTER_CACHE_SIZE = 1024

tests/test_routes.py

@@ -422,6 +422,28 @@ def test_dynamic_route_regex():
     assert response.status == 200
 
 
+def test_dynamic_route_uuid():
+    import uuid
+    app = Sanic('test_dynamic_route_uuid')
+
+    results = []
+
+    @app.route('/quirky/<unique_id:uuid>')
+    async def handler(request, unique_id):
+        results.append(unique_id)
+        return text('OK')
+
+    request, response = app.test_client.get('/quirky/123e4567-e89b-12d3-a456-426655440000')
+    assert response.text == 'OK'
+    assert type(results[0]) is uuid.UUID
+
+    request, response = app.test_client.get('/quirky/{}'.format(uuid.uuid4()))
+    assert response.status == 200
+
+    request, response = app.test_client.get('/quirky/non-existing')
+    assert response.status == 404
+
+
 def test_dynamic_route_path():
     app = Sanic('test_dynamic_route_path')