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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@ -125,7 +125,7 @@ class SAML2Config(Config):
(
self.saml2_user_mapping_provider_class,
self.saml2_user_mapping_provider_config,
) = load_module(ump_dict)
) = load_module(ump_dict, ("saml2_config", "user_mapping_provider"))
# Ensure loaded user mapping module has defined all necessary methods
# Note parse_config() is already checked during the call to load_module