Add a method to download blob locally

azure_blob_client/__init__.py

@@ -149,6 +149,21 @@ class AzureBlobClient:
         """
         self.blob_container_client(container_name=container_name).delete_blob(blob=blob_name)
 
+    def download_blob(self, container_name: str, blob_name: str, local_filename: str):
+        """Function to download a blob within a container
+
+        :param container_name: Name of the container
+        :type container_name: str
+        :param blob_name: Name of the blob to download
+        :type blob_name: str
+        :param local_filename: Name of the local downloaded file
+        :type local_filename: str
+        """
+        with open(local_filename, "wb") as my_blob:
+            download_stream = self.blob_container_client(container_name=container_name).download_blob(blob=blob_name)
+            my_blob.write(download_stream.readall())
+        
+
     def get_blob_sas_url(self, container_name, blob_name, time_to_expiry=1):
         """
         Get the URL of a blob, with the necessary read access