[SPARK-48205][PYTHON] Remove the private[sql] modifier for Python data sources
### What changes were proposed in this pull request?
This PR removes the `private[sql]` modifier for Python data sources to make it consistent with UDFs and UDTFs.
### Why are the changes needed?
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Existing tests
### Was this patch authored or co-authored using generative AI tooling?
No
Closes #46487 from allisonwang-db/spark-48205-pyds-modifier.
Authored-by: allisonwang-db <allison.wang@databricks.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/DataSourceRegistration.scala b/sql/core/src/main/scala/org/apache/spark/sql/DataSourceRegistration.scala
index 63cee88..8ffdbb9 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/DataSourceRegistration.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/DataSourceRegistration.scala
@@ -30,7 +30,7 @@
* Use `SparkSession.dataSource` to access this.
*/
@Evolving
-private[sql] class DataSourceRegistration private[sql] (dataSourceManager: DataSourceManager)
+class DataSourceRegistration private[sql] (dataSourceManager: DataSourceManager)
extends Logging {
protected[sql] def registerPython(
diff --git a/sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala b/sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
index 5d85f07..d5de744 100644
--- a/sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
+++ b/sql/core/src/main/scala/org/apache/spark/sql/SparkSession.scala
@@ -234,7 +234,7 @@
/**
* A collection of methods for registering user-defined data sources.
*/
- private[sql] def dataSource: DataSourceRegistration = sessionState.dataSourceRegistration
+ def dataSource: DataSourceRegistration = sessionState.dataSourceRegistration
/**
* Returns a `StreamingQueryManager` that allows managing all the
