Add endpoints to glue for deleting partitions

Specifically add glue.delete_partition and glue.batch_delete_partition.

moto/glue/models.py

@@ -138,6 +138,12 @@ class FakeTable(BaseModel):
                 raise PartitionAlreadyExistsException()
         self.partitions[key] = partition
 
+    def delete_partition(self, values):
+        try:
+            del self.partitions[str(values)]
+        except KeyError:
+            raise PartitionNotFoundException()
+
 
 class FakePartition(BaseModel):
     def __init__(self, database_name, table_name, partiton_input):

moto/glue/responses.py

@@ -6,6 +6,7 @@ from moto.core.responses import BaseResponse
 from .models import glue_backend
 from .exceptions import (
     PartitionAlreadyExistsException,
+    PartitionNotFoundException,
     TableNotFoundException
 )
 
@@ -184,3 +185,38 @@ class GlueResponse(BaseResponse):
         table.update_partition(part_to_update, part_input)
 
         return ""
+
+    def delete_partition(self):
+        database_name = self.parameters.get('DatabaseName')
+        table_name = self.parameters.get('TableName')
+        part_to_delete = self.parameters.get('PartitionValues')
+
+        table = self.glue_backend.get_table(database_name, table_name)
+        table.delete_partition(part_to_delete)
+
+        return ""
+
+    def batch_delete_partition(self):
+        database_name = self.parameters.get('DatabaseName')
+        table_name = self.parameters.get('TableName')
+        table = self.glue_backend.get_table(database_name, table_name)
+
+        errors_output = []
+        for part_input in self.parameters.get('PartitionsToDelete'):
+            values = part_input.get('Values')
+            try:
+                table.delete_partition(values)
+            except PartitionNotFoundException:
+                errors_output.append({
+                    'PartitionValues': values,
+                    'ErrorDetail': {
+                        'ErrorCode': 'EntityNotFoundException',
+                        'ErrorMessage': 'Partition not found',
+                    }
+                })
+
+        out = {}
+        if errors_output:
+            out['Errors'] = errors_output
+
+        return json.dumps(out)