GitLab

* add HTTP backend

* add HTTPbackend

* fix linting

* fix linting

* add docs attributes http

* fix format

* add real http link test for http backend

* Allow list keys in Config merge from dict

* Reformat

* Set allow_list_keys default as True in merge_from_dict

* Fix docstring

* fix a small typo

* harmless changes
Signed-off-by: lizz <lizz@sensetime.com>

* Update conv_module.py

* No bracket for simple class
Signed-off-by: lizz <lizz@sensetime.com>

* allow registering new backends with decorators

* add a docstring

* minor update to the docstring

* add PetrelBackend

* update docs

* add path_maps for Ceph

* rename to path_mapping

* fixed import

This reverts commit 7f80a2c6.

* add PetrelBackend

* update docs

* add path_maps for Ceph

* rename to path_mapping

* add file client

* install missing requirements

* use .format() instead of f-string