Better formatting for config errors from modules (#8874)

The idea is that the parse_config method of extension modules can raise either a ConfigError or a JsonValidationError,
and it will be magically turned into a legible error message. There's a few components to it:

* Separating the "path" and the "message" parts of a ConfigError, so that we can fiddle with the path bit to turn it
   into an absolute path.
* Generally improving the way ConfigErrors get printed.
* Passing in the config path to load_module so that it can wrap any exceptions that get caught appropriately.
This commit is contained in:
Richard van der Hoff 2020-12-08 14:04:35 +00:00 committed by GitHub
parent 36ba73f53d
commit ab7a24cc6b
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13 changed files with 159 additions and 36 deletions

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@ -142,7 +142,7 @@ class ContentRepositoryConfig(Config):
# them to be started.
self.media_storage_providers = [] # type: List[tuple]
for provider_config in storage_providers:
for i, provider_config in enumerate(storage_providers):
# We special case the module "file_system" so as not to need to
# expose FileStorageProviderBackend
if provider_config["module"] == "file_system":
@ -151,7 +151,9 @@ class ContentRepositoryConfig(Config):
".FileStorageProviderBackend"
)
provider_class, parsed_config = load_module(provider_config)
provider_class, parsed_config = load_module(
provider_config, ("media_storage_providers", "<item %i>" % i)
)
wrapper_config = MediaStorageProviderConfig(
provider_config.get("store_local", False),