Fix Azure storage upload (#598)

clearml/storage/helper.py

@@ -565,6 +565,7 @@ class StorageHelper(object):
             dest_path = os.path.basename(src_path)
 
         dest_path = self._canonize_url(dest_path)
+        dest_path = dest_path.replace('\\', '/')
 
         if cb and self.scheme in _HttpDriver.schemes:
             # store original callback
@@ -687,7 +688,7 @@ class StorageHelper(object):
             # try to get file size
             try:
                 if isinstance(self._driver, _HttpDriver) and obj:
-                    obj = self._driver._get_download_object(obj)
+                    obj = self._driver._get_download_object(obj)  # noqa
                     total_size_mb = float(obj.headers.get('Content-Length', 0)) / (1024 * 1024)
                 elif hasattr(obj, 'size'):
                     size = obj.size
@@ -722,9 +723,10 @@ class StorageHelper(object):
             if not skip_zero_size_check and Path(temp_local_path).stat().st_size <= 0:
                 raise Exception('downloaded a 0-sized file')
 
-            # if we are on windows, we need to remove the target file before renaming
+            # if we are on Windows, we need to remove the target file before renaming
             # otherwise posix rename will overwrite the target
             if os.name != 'posix':
+                # noinspection PyBroadException
                 try:
                     os.remove(local_path)
                 except Exception:
@@ -757,8 +759,7 @@ class StorageHelper(object):
             if delete_on_failure:
                 # noinspection PyBroadException
                 try:
-                    if temp_local_path:
-                        os.remove(temp_local_path)
+                    os.remove(temp_local_path)
                 except Exception:
                     pass
             return None
@@ -1710,7 +1711,7 @@ class _AzureBlobServiceStorageDriver(_Driver):
 
     class _Container(object):
         def __init__(self, name, config, account_url):
-            self.MAX_SINGLE_PUT_SIZE = 16 * 1024 * 1024
+            self.MAX_SINGLE_PUT_SIZE = 4 * 1024 * 1024
             self.SOCKET_TIMEOUT = (300, 2000)
             self.name = name
             self.config = config
@@ -1775,17 +1776,9 @@ class _AzureBlobServiceStorageDriver(_Driver):
                     progress_callback=progress_callback,
                 )
             else:
-                client = self.__blob_service.get_blob_client(container_name, blob_name)
-                with open(path, "rb") as file:
-                    first_chunk = True
-                    for chunk in iter((lambda: file.read(self.MAX_SINGLE_PUT_SIZE)), b""):
-                        if first_chunk:
-                            client.upload_blob(chunk, overwrite=True, max_concurrency=max_connections)
-                            first_chunk = False
-                        else:
-                            from azure.storage.blob import BlockType  # noqa
-
-                            client.upload_blob(chunk, BlockType.AppendBlob)
+                self.create_blob_from_data(
+                    container_name, None, blob_name, open(path, "rb"), max_connections=max_connections
+                )
 
         def delete_blob(self, container_name, blob_name):
             if self.__legacy:
@@ -1839,13 +1832,17 @@ class _AzureBlobServiceStorageDriver(_Driver):
                     progress_callback=progress_callback,
                 )
             else:
-                client = self.__blob_service.get_blob_client(container_name, blob_name, max_concurrency=max_connections)
+                client = self.__blob_service.get_blob_client(container_name, blob_name)
                 with open(path, "wb") as file:
-                    return client.download_blob().download_to_stream(file)
+                    return client.download_blob(max_concurrency=max_connections).download_to_stream(file)
 
         def is_legacy(self):
             return self.__legacy
 
+        @property
+        def blob_service(self):
+            return self.__blob_service
+
     @attrs
     class _Object(object):
         container = attrib()
@@ -1953,7 +1950,10 @@ class _AzureBlobServiceStorageDriver(_Driver):
             obj.blob_name,
             progress_callback=cb,
         )
-        return blob.content
+        if container.is_legacy():
+            return blob.content
+        else:
+            return blob
 
     def download_object(self, obj, local_path, overwrite_existing=True, delete_on_failure=True, callback=None, **_):
         p = Path(local_path)
@@ -1981,7 +1981,8 @@ class _AzureBlobServiceStorageDriver(_Driver):
             max_connections=10,
             progress_callback=callback_func,
         )
-        download_done.wait()
+        if container.is_legacy():
+            download_done.wait()
 
     def test_upload(self, test_path, config, **_):
         container = self.get_container(config=config)

clearml/storage/manager.py

@@ -232,6 +232,7 @@ class StorageManager(object):
         if not Path(local_folder).is_dir():
             base_logger.error("Local folder '{}' does not exist".format(local_folder))
             return
+        local_folder = str(Path(local_folder))
         results = []
         helper = StorageHelper.get(remote_url)
         with ThreadPool() as pool:
@@ -299,7 +300,7 @@ class StorageManager(object):
                     continue
                 local_url = os.path.join(
                     str(Path(local_folder)),
-                    str(Path(remote_path[len(remote_url):].lstrip(os.path.sep)))
+                    str(Path(remote_path[len(remote_url):])).lstrip(os.path.sep)
                 )
                 if not os.path.exists(local_url) or os.path.getsize(local_url) == 0:
                     results.append(