Repository navigation
KV Value Update handles Data wrongly #2519
Description
Confirm this is a Python library issue and not an underlying Cloudflare API issue.
- This is an issue with the Python library
Describe the bug
When trying to set a value in the KV Store metadata needs to be provided, but gets merged into the value and no meta data gets set.
In [29]: response = client.kv.namespaces.values.update(key_name="test", value="MY VALUE", metadata="{}", **kv.params)
In [30]: print(client.kv.namespaces.values.get(key_name="test", **kv.params).text())
{"metadata":"{}","value":"MY VALUE"}
In [31]: print(client.kv.namespaces.metadata.get(key_name="test", **kv.params) is None)
True
The problem seems to be caused from the whole body of the request being used as the actual value. The behaviour seems to be correct when manually specifying the request's content tye as multipart/form-data:
In [38]: response = client.kv.namespaces.values.update(key_name="test", value="MY VALUE", metadata="{}", **kv.params, extra_headers={"Content-Type": "multipart/form-data"})
In [39]: print(client.kv.namespaces.values.get(key_name="test", **kv.params).text())
MY VALUE
In [40]: print(client.kv.namespaces.metadata.get(key_name="test", **kv.params))
{}
This should probably be the default behaviour as it shouldn't be necessary to explicitly override the content type. On the other hand metadata should not be required in which case the whole body could be set as value
To Reproduce
- Call
values.update()with avalueandmetadata. Both are set as the actual value. metadata.get()doesn't return any metadata.- Metadata is returned with the value upon calling
values.get().
Code snippets
OS
Every OS
Python version
3.12
Library version
v4.0.0
Activity
Levana13 commentedon Mar 13, 2025
In [29]: response = client.kv.namespaces.values.update(key_name="test", value="MY VALUE", metadata="{}", **kv.params)
In [30]: print(client.kv.namespaces.values.get(key_name="test", **kv.params).text())
{"metadata":"{}","value":"MY VALUE"}
In [31]: print(client.kv.namespaces.metadata.get(key_name="test", **kv.params) is None)
True
product_template.csv
Levana13 commentedon Mar 13, 2025
In [38]: response = client.kv.namespaces.values.update(key_name="test", value="MY VALUE", metadata="{}", **kv.params, extra_headers={"Content-Type": "multipart/form-data"})
In [39]: print(client.kv.namespaces.values.get(key_name="test", **kv.params).text())
MY VALUE
In [40]: print(client.kv.namespaces.metadata.get(key_name="test", **kv.params))
{}
jhutchings1 commentedon Jun 30, 2025
I've opened an issue for the team to take a look.
adowski commentedon Aug 14, 2025
The same issue exists with the cloudflare-typescript library