[ovs-dev] [PATCH v1 10/18] python: add a json encoder to flow fields

Adrian Moreno amorenoz at redhat.com
Mon Nov 22 11:22:48 UTC 2021


The json encoder can be used to convert Flows to json

Signed-off-by: Adrian Moreno <amorenoz at redhat.com>
---
 python/ovs/flows/decoders.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/python/ovs/flows/decoders.py b/python/ovs/flows/decoders.py
index 3def9f279..96bb56c06 100644
--- a/python/ovs/flows/decoders.py
+++ b/python/ovs/flows/decoders.py
@@ -5,6 +5,7 @@ A decoder is generally a callable that accepts a string and returns the value
 object.
 """
 
+import json
 import netaddr
 import re
 
@@ -451,3 +452,17 @@ def decode_nat(value):
             result[flag] = True
 
     return result
+
+
+class FlowEncoder(json.JSONEncoder):
+    """FlowEncoder is a json.JSONEncoder instance that can be used to
+    serialize flow fields
+    """
+
+    def default(self, obj):
+        if isinstance(obj, Decoder):
+            return obj.to_json()
+        elif isinstance(obj, netaddr.IPAddress):
+            return str(obj)
+
+        return json.JSONEncoder.default(self, obj)
-- 
2.31.1



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