abderrahim commented on code in PR #1746:
URL: https://github.com/apache/buildstream/pull/1746#discussion_r959841234
##########
src/buildstream/_platform/platform.py:
##########
@@ -44,16 +44,16 @@ def _setup_sandbox(self):
# Try to setup buildbox-run sandbox, otherwise fallback to the dummy
sandbox.
try:
self._check_sandbox(SandboxBuildBoxRun)
- except (SandboxError, utils.ProgramNotFoundError):
+ except (SandboxUnsupportedError, utils.ProgramNotFoundError):
pass
def _check_sandbox(self, Sandbox):
Sandbox._dummy_reasons = []
try:
Sandbox.check_available()
- except SandboxError as Error:
+ except SandboxUnsupportedError as Error:
Review Comment:
The reason I didn't modify it in #1436 is that I wanted to have it
backportable to bst-1 (but turns out bst-1 didn't have a dummy sandbox at all,
so whatever).
There are actually two different checks `Sandox.check_available()` and
`Sandbox._check_sandbox_config()` (is there a reason why the former is
"public"?) and we want to cache the result of the former. That's essentially
why dummy_reasons exist.
What I would recommend is to do the caching in the `Sandbox` class itself,
such that calling `_check_sandbox_config()` will raise the newly introduced
`SandboxUnsupportedError` if buildbox-run isn't available before actually
checking the config (and possibly drop `Sandox.check_available()` altogether if
it's not needed for your new check?)
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