fix: Enforce kw args in datasources

sdk/python/feast/data_source.py

@@ -186,6 +186,7 @@ class DataSource(ABC):
 
     def __init__(
         self,
+        *,
         event_timestamp_column: Optional[str] = None,
         created_timestamp_column: Optional[str] = None,
         field_mapping: Optional[Dict[str, str]] = None,
@@ -354,11 +355,12 @@ def get_table_column_names_and_types(
 
     def __init__(
         self,
-        name: str,
-        event_timestamp_column: str,
-        bootstrap_servers: str,
-        message_format: StreamFormat,
-        topic: str,
+        *args,
+        name: Optional[str] = None,
+        event_timestamp_column: Optional[str] = "",
+        bootstrap_servers: Optional[str] = None,
+        message_format: Optional[StreamFormat] = None,
+        topic: Optional[str] = None,
         created_timestamp_column: Optional[str] = "",
         field_mapping: Optional[Dict[str, str]] = None,
         date_partition_column: Optional[str] = "",
@@ -368,22 +370,62 @@ def __init__(
         timestamp_field: Optional[str] = "",
         batch_source: Optional[DataSource] = None,
     ):
+        positional_attributes = [
+            "name",
+            "event_timestamp_column",
+            "bootstrap_servers",
+            "message_format",
+            "topic",
+        ]
+        _name = name
+        _event_timestamp_column = event_timestamp_column
+        _bootstrap_servers = bootstrap_servers or ""
+        _message_format = message_format
+        _topic = topic or ""
+
+        if args:
+            warnings.warn(
+                (
+                    "Kafka parameters should be specified as a keyword argument instead of a positional arg."
+                    "Feast 0.23+ will not support positional arguments to construct Kafka sources"
+                ),
+                DeprecationWarning,
+            )
+            if len(args) > len(positional_attributes):
+                raise ValueError(
+                    f"Only {', '.join(positional_attributes)} are allowed as positional args when defining "
+                    f"Kafka sources, for backwards compatibility."
+                )
+            if len(args) >= 1:
+                _name = args[0]
+            if len(args) >= 2:
+                _event_timestamp_column = args[1]
+            if len(args) >= 3:
+                _bootstrap_servers = args[2]
+            if len(args) >= 4:
+                _message_format = args[3]
+            if len(args) >= 5:
+                _topic = args[4]
+
+        if _message_format is None:
+            raise ValueError("Message format must be specified for Kafka source")
+        print("Asdfasdf")
         super().__init__(
-            event_timestamp_column=event_timestamp_column,
+            event_timestamp_column=_event_timestamp_column,
             created_timestamp_column=created_timestamp_column,
             field_mapping=field_mapping,
             date_partition_column=date_partition_column,
             description=description,
             tags=tags,
             owner=owner,
-            name=name,
+            name=_name,
             timestamp_field=timestamp_field,
         )
         self.batch_source = batch_source
         self.kafka_options = KafkaOptions(
-            bootstrap_servers=bootstrap_servers,
-            message_format=message_format,
-            topic=topic,
+            bootstrap_servers=_bootstrap_servers,
+            message_format=_message_format,
+            topic=_topic,
         )
 
     def __eq__(self, other):
@@ -472,32 +514,56 @@ class RequestSource(DataSource):
 
     def __init__(
         self,
-        name: str,
-        schema: Union[Dict[str, ValueType], List[Field]],
+        *args,
+        name: Optional[str] = None,
+        schema: Optional[Union[Dict[str, ValueType], List[Field]]] = None,
         description: Optional[str] = "",
         tags: Optional[Dict[str, str]] = None,
         owner: Optional[str] = "",
     ):
         """Creates a RequestSource object."""
-        super().__init__(name=name, description=description, tags=tags, owner=owner)
-        if isinstance(schema, Dict):
+        positional_attributes = ["name", "schema"]
+        _name = name
+        _schema = schema
+        if args:
+            warnings.warn(
+                (
+                    "Request source parameters should be specified as a keyword argument instead of a positional arg."
+                    "Feast 0.23+ will not support positional arguments to construct request sources"
+                ),
+                DeprecationWarning,
+            )
+            if len(args) > len(positional_attributes):
+                raise ValueError(
+                    f"Only {', '.join(positional_attributes)} are allowed as positional args when defining "
+                    f"feature views, for backwards compatibility."
+                )
+            if len(args) >= 1:
+                _name = args[0]
+            if len(args) >= 2:
+                _schema = args[1]
+
+        super().__init__(name=_name, description=description, tags=tags, owner=owner)
+        if not _schema:
+            raise ValueError("Schema needs to be provided for Request Source")
+        if isinstance(_schema, Dict):
             warnings.warn(
                 "Schema in RequestSource is changing type. The schema data type Dict[str, ValueType] is being deprecated in Feast 0.23. "
                 "Please use List[Field] instead for the schema",
                 DeprecationWarning,
             )
             schemaList = []
-            for key, valueType in schema.items():
+            for key, valueType in _schema.items():
                 schemaList.append(
                     Field(name=key, dtype=VALUE_TYPES_TO_FEAST_TYPES[valueType])
                 )
             self.schema = schemaList
-        elif isinstance(schema, List):
-            self.schema = schema
+        elif isinstance(_schema, List):
+            self.schema = _schema
         else:
             raise Exception(
                 "Schema type must be either dictionary or list, not "
-                + str(type(schema))
+                + str(type(_schema))
             )
 
     def validate(self, config: RepoConfig):
@@ -643,12 +709,13 @@ def get_table_query_string(self) -> str:
 
     def __init__(
         self,
-        name: str,
-        event_timestamp_column: str,
-        created_timestamp_column: str,
-        record_format: StreamFormat,
-        region: str,
-        stream_name: str,
+        *args,
+        name: Optional[str] = None,
+        event_timestamp_column: Optional[str] = "",
+        created_timestamp_column: Optional[str] = "",
+        record_format: Optional[StreamFormat] = None,
+        region: Optional[str] = "",
+        stream_name: Optional[str] = "",
         field_mapping: Optional[Dict[str, str]] = None,
         date_partition_column: Optional[str] = "",
         description: Optional[str] = "",
@@ -657,10 +724,53 @@ def __init__(
         timestamp_field: Optional[str] = "",
         batch_source: Optional[DataSource] = None,
     ):
+        positional_attributes = [
+            "name",
+            "event_timestamp_column",
+            "created_timestamp_column",
+            "record_format",
+            "region",
+            "stream_name",
+        ]
+        _name = name
+        _event_timestamp_column = event_timestamp_column
+        _created_timestamp_column = created_timestamp_column
+        _record_format = record_format
+        _region = region or ""
+        _stream_name = stream_name or ""
+        if args:
+            warnings.warn(
+                (
+                    "Kinesis parameters should be specified as a keyword argument instead of a positional arg."
+                    "Feast 0.23+ will not support positional arguments to construct kinesis sources"
+                ),
+                DeprecationWarning,
+            )
+            if len(args) > len(positional_attributes):
+                raise ValueError(
+                    f"Only {', '.join(positional_attributes)} are allowed as positional args when defining "
+                    f"kinesis sources, for backwards compatibility."
+                )
+            if len(args) >= 1:
+                _name = args[0]
+            if len(args) >= 2:
+                _event_timestamp_column = args[1]
+            if len(args) >= 3:
+                _created_timestamp_column = args[2]
+            if len(args) >= 4:
+                _record_format = args[3]
+            if len(args) >= 5:
+                _region = args[4]
+            if len(args) >= 6:
+                _stream_name = args[5]
+
+        if _record_format is None:
+            raise ValueError("Record format must be specified for kinesis source")
+
         super().__init__(
-            name=name,
-            event_timestamp_column=event_timestamp_column,
-            created_timestamp_column=created_timestamp_column,
+            name=_name,
+            event_timestamp_column=_event_timestamp_column,
+            created_timestamp_column=_created_timestamp_column,
             field_mapping=field_mapping,
             date_partition_column=date_partition_column,
             description=description,
@@ -670,7 +780,7 @@ def __init__(
         )
         self.batch_source = batch_source
         self.kinesis_options = KinesisOptions(
-            record_format=record_format, region=region, stream_name=stream_name
+            record_format=_record_format, region=_region, stream_name=_stream_name
         )
 
     def __eq__(self, other):
@@ -725,9 +835,9 @@ class PushSource(DataSource):
 
     def __init__(
         self,
-        *,
-        name: str,
-        batch_source: DataSource,
+        *args,
+        name: Optional[str] = None,
+        batch_source: Optional[DataSource] = None,
         description: Optional[str] = "",
         tags: Optional[Dict[str, str]] = None,
         owner: Optional[str] = "",
@@ -744,10 +854,33 @@ def __init__(
                 maintainer.
 
         """
-        super().__init__(name=name, description=description, tags=tags, owner=owner)
-        self.batch_source = batch_source
-        if not self.batch_source:
-            raise ValueError(f"batch_source is needed for push source {self.name}")
+        positional_attributes = ["name", "batch_source"]
+        _name = name
+        _batch_source = batch_source
+        if args:
+            warnings.warn(
+                (
+                    "Push source parameters should be specified as a keyword argument instead of a positional arg."
+                    "Feast 0.23+ will not support positional arguments to construct push sources"
+                ),
+                DeprecationWarning,
+            )
+            if len(args) > len(positional_attributes):
+                raise ValueError(
+                    f"Only {', '.join(positional_attributes)} are allowed as positional args when defining "
+                    f"push sources, for backwards compatibility."
+                )
+            if len(args) >= 1:
+                _name = args[0]
+            if len(args) >= 2:
+                _batch_source = args[1]
+
+        super().__init__(name=_name, description=description, tags=tags, owner=owner)
+        if not _batch_source:
+            raise ValueError(
+                f"batch_source parameter is needed for push source {self.name}"
+            )
+        self.batch_source = _batch_source
 
     def __eq__(self, other):
         if not isinstance(other, PushSource):

sdk/python/feast/feature_view.py

@@ -137,7 +137,7 @@ def __init__(
             ValueError: A field mapping conflicts with an Entity or a Feature.
         """
 
-        positional_attributes = ["name, entities, ttl"]
+        positional_attributes = ["name", "entities", "ttl"]
 
         _name = name
         _entities = entities

sdk/python/feast/infra/offline_stores/bigquery_source.py

@@ -16,6 +16,7 @@
 class BigQuerySource(DataSource):
     def __init__(
         self,
+        *,
         event_timestamp_column: Optional[str] = "",
         table: Optional[str] = None,
         created_timestamp_column: Optional[str] = "",

sdk/python/feast/infra/offline_stores/contrib/spark_offline_store/spark_source.py

@@ -30,6 +30,7 @@ class SparkSourceFormat(Enum):
 class SparkSource(DataSource):
     def __init__(
         self,
+        *,
         name: Optional[str] = None,
         table: Optional[str] = None,
         query: Optional[str] = None,

sdk/python/feast/infra/offline_stores/contrib/trino_offline_store/trino_source.py

@@ -88,7 +88,6 @@ def __init__(
         table: Optional[str] = None,
         created_timestamp_column: Optional[str] = "",
         field_mapping: Optional[Dict[str, str]] = None,
-        date_partition_column: Optional[str] = None,
         query: Optional[str] = None,
         name: Optional[str] = None,
         description: Optional[str] = "",

sdk/python/feast/infra/offline_stores/file_source.py

@@ -20,7 +20,8 @@
 class FileSource(DataSource):
     def __init__(
         self,
-        path: str,
+        *args,
+        path: Optional[str] = None,
         event_timestamp_column: Optional[str] = "",
         file_format: Optional[FileFormat] = None,
         created_timestamp_column: Optional[str] = "",
@@ -58,13 +59,31 @@ def __init__(
             >>> from feast import FileSource
             >>> file_source = FileSource(path="my_features.parquet", timestamp_field="event_timestamp")
         """
-        if path is None:
+        positional_attributes = ["path"]
+        _path = path
+        if args:
+            if args:
+                warnings.warn(
+                    (
+                        "File Source parameters should be specified as a keyword argument instead of a positional arg."
+                        "Feast 0.23+ will not support positional arguments to construct File sources"
+                    ),
+                    DeprecationWarning,
+                )
+                if len(args) > len(positional_attributes):
+                    raise ValueError(
+                        f"Only {', '.join(positional_attributes)} are allowed as positional args when defining "
+                        f"File sources, for backwards compatibility."
+                    )
+                if len(args) >= 1:
+                    _path = args[0]
+        if _path is None:
             raise ValueError(
                 'No "path" argument provided. Please set "path" to the location of your file source.'
             )
         self.file_options = FileOptions(
             file_format=file_format,
-            uri=path,
+            uri=_path,
             s3_endpoint_override=s3_endpoint_override,
         )
 

sdk/python/feast/infra/offline_stores/redshift_source.py

@@ -16,6 +16,7 @@
 class RedshiftSource(DataSource):
     def __init__(
         self,
+        *,
         event_timestamp_column: Optional[str] = "",
         table: Optional[str] = None,
         schema: Optional[str] = None,

sdk/python/feast/infra/offline_stores/snowflake_source.py

@@ -15,6 +15,7 @@
 class SnowflakeSource(DataSource):
     def __init__(
         self,
+        *,
         database: Optional[str] = None,
         warehouse: Optional[str] = None,
         schema: Optional[str] = None,