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We should only display commands in detail strings, not in the
message texts.
This also updates tests/integration/sandbox-bwrap.py to expect
the new message string which only contains the command exit status
and not the whole command itself, this does not alter the validity
of the text case which is checking that we can obtain the expected
return value.
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Part of #802
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This changes CASCache from a subclass to a delegate object of
ArtifactCache. As the lower layer, CASCache no longer deals with
elements or projects.
Fixes #659.
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This includes changes in app.py:
* Interactive failure shell no longer uses the failed build sysroot,
defaulting to the cached build tree.
Changes in element.py are:
* Errors caused by building don't store the failed build sysroot,
instead storing that a sandbox can be created to debug the error.
* When staging sources, will stage the element's cached build tree if it
exists.
Changes in _exceptions.py:
* BstError.sandbox is now a flag of whether a sandbox can be opened up
to debug the error.
Changes in widget.py:
* Don't try to print any information about the sandbox.
Changes in _message.py:
* Fix documentation so Message.sandbox is not a directory any more.
This is part of #539
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The SKIPPED message type is now used to indicate the end of a task which
was successful without having to perform the given task.
This overhauls the use of `Queue.done()` and therefore queues do not
need to provide a processed/skipped return value from `done()`. Instead
this is replaced with the action of raising a `SkipJob` exception from
within `Queue.process()`.
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Ensure that protected variables are not being redefined by the user.
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This aims to address #600, this will raise an exception when a resolved
variable contains a reference to the variable.
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Fixes #331.
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A project path is a path relative to a project directory.
A project path can not also refer to the parent directory in the first
path component, or point to symbolic links, fifos, sockets and
block/character devices.
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buildstream/storage/Directory.py: New file.
buildstream/storage/_filebaseddirectory.py: New file.
buildstream/_exceptions.py: New VIRTUAL_FS exception source.
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Plugin.call() now takes fail_temporarily as an optional parameter,
when supplied it will cause subsequent failures to trigger temporary
errors as opposed to permanent errors.
This also extends Plugin.check_output() which makes use of Plugin.call()
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Further work needs to be done for the current grpc exceptions which are reraised.
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job.py: Changes to the logic surrounding retry attempts and child process return codes
element.py, source.py: ElementError and SourceError also implement this change.
These exceptions now have an optional parameter of temporary which defaults to false. This will potentially break
backwards compatibility where exceptions were previously raised and a retry was intended.
To trigger a retry, one must now raise their SourceError or ElementError with temporary=True.
This aims to fix #397.
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Issue #446
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Fixes #424
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Use Stream error for Stream errors.
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Since we want to react and start an interactive session when the
project.conf is missing, we need a more specific error to catch.
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And adjust all surrounding sources for changed symbols.
Also, added new LoadErrorReason.UNSUPPORTED_PLUGIN, required
for changes in how the project will report format version errors
for plugins at creation time
This is a part of issue #285
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This patch refactors the frontend App object and touches a few internals.
o The scheduler now takes a start time given to it at instantiation time,
instead of considering the start time to commence in Scheduler.run()
o The App.initialize() method has been swapped out for an
App.initialized() context manager.
This context manager now takes care of the main start/fail/success
messages. For convenience and ensured consistency, this context manager
is now responsible for:
o Printing the startup heading
o Printing the end of session summary
o Exiting with a consistent error status in case of errors
o The Pipeline() object no longer prints the start/fail/success messages,
as they are now taken care of by the App()
o The cli.py frontend code is much simplified by using the new context
manager, also enforcing consistency in how we handle and report errors.
This fixes issue #186
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This introduces junctions as a new kind of elements to allow
dependencies to cross project boundaries.
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Now any BuildStream exception can potentially add detail to
the errors they raise.
Allow detail strings already in PluginError()
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Outline of changes to exceptions:
o Now BstError base class has a `domain` and `reason` member,
reason members are optional.
o All derived error classes now specify their `domain`
o For LoadError, LoadErrorReason defines the error's `reason`
o Now the scheduler `job` class takes care of sending the error
reason and domain back to the main process where the last
exception which caused a child task to fail can be discretely stored.
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Report UtilError instead of OSError and similar python errors.
Also ensure we catch system errors and raise UtilError with
descriptive text instead; for the user experience; this is the
difference between:
o A FAILURE message with a description as to
what went wrong (exception handled with UtilError)
o A BUG message with the unhandled system error printed
with a stack trace (exception left unhandled)
Also, UtilsError and ProgramNotFoundError are now public exceptions
declared in utils.py, where they will appear in the documentation.
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Base class for exceptions is now a part of the already private _exceptions module
Also moved PipelineError from _pipeline -> _exceptions module
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This is now part of the already private _exceptions module
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Hide all of buildstream's internal exceptions from the API surface.
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