Manvendra Singh created AVRO-2046:
-------------------------------------
Summary: avro-python3: Very restricted set of data types which are
allowed in AvroSchemaFromJSONData
Key: AVRO-2046
URL: https://issues.apache.org/jira/browse/AVRO-2046
Project: Avro
Issue Type: Bug
Components: python
Affects Versions: 1.8.2
Environment: avro-python3 (1.8.2)
Reporter: Manvendra Singh
Minimal reproducable example:
{code:python}
```
from collections import OrderedDict
import avro.schema
AvroSchemaFromJSONData = avro.schema.SchemaFromJSONData
a = {
"fields": [
{
"name": "name",
"type": "string"
},
{
"name": "favorite_number",
"type": [
"int",
"null"
]
},
{
"name": "favorite_color",
"type": [
"string",
"null"
]
}
],
"name": "User",
"namespace": "example.avro",
"type": "record"
}
b = OrderedDict(a)
AvroSchemaFromJSONData(a)
AvroSchemaFromJSONData(b)
```
{code}
Ouput:
{code}
```
~/Desktop/test/venv3/lib/python3.5/site-packages/avro/schema.py in
SchemaFromJSONData(json_data, names)
1252 if parser is None:
1253 raise SchemaParseException(
-> 1254 'Invalid JSON descriptor for an Avro schema: %r.' % json_data)
1255 return parser(json_data, names=names)
1256
SchemaParseException: Invalid JSON descriptor for an Avro schema:
OrderedDict([('namespace', 'example.avro'), ('type', 'record'), ('name',
'User'), ('fields', [{'type': 'string', 'name': 'name'}, {'type': ['int',
'null'], 'name': 'favorite_number'}, {'type': ['string', 'null'], 'name':
'favorite_color'}])]).
```
{code}
Current implementation of this function does not allow for any dict like data
type. It however works in avro-python2.
Relevant line of code:
https://github.com/apache/avro/blob/master/lang/py3/avro/schema.py#L1250
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