diff options
Diffstat (limited to 'scripts/lib/compatlayer/__init__.py')
| -rw-r--r-- | scripts/lib/compatlayer/__init__.py | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/scripts/lib/compatlayer/__init__.py b/scripts/lib/compatlayer/__init__.py index 9eb862dc6b..b46527a185 100644 --- a/scripts/lib/compatlayer/__init__.py +++ b/scripts/lib/compatlayer/__init__.py @@ -7,6 +7,8 @@ import os import subprocess from enum import Enum +import bb.tinfoil + class LayerType(Enum): BSP = 0 DISTRO = 1 @@ -252,3 +254,33 @@ def get_signatures(builddir, failsafe=False): raise RuntimeError('Can\'t load signatures from %s' % sigs_file) return sigs + +def get_depgraph(targets=['world']): + ''' + Returns the dependency graph for the given target(s). + The dependency graph is taken directly from DepTreeEvent. + ''' + depgraph = None + with bb.tinfoil.Tinfoil() as tinfoil: + tinfoil.prepare(config_only=False) + tinfoil.set_event_mask(['bb.event.NoProvider', 'bb.event.DepTreeGenerated', 'bb.command.CommandCompleted']) + if not tinfoil.run_command('generateDepTreeEvent', targets, 'do_build'): + raise RuntimeError('starting generateDepTreeEvent failed') + while True: + event = tinfoil.wait_event(timeout=1000) + if event: + if isinstance(event, bb.command.CommandFailed): + raise RuntimeError('Generating dependency information failed: %s' % event.error) + elif isinstance(event, bb.command.CommandCompleted): + break + elif isinstance(event, bb.event.NoProvider): + if event._reasons: + raise RuntimeError('Nothing provides %s: %s' % (event._item, event._reasons)) + else: + raise RuntimeError('Nothing provides %s.' % (event._item)) + elif isinstance(event, bb.event.DepTreeGenerated): + depgraph = event._depgraph + + if depgraph is None: + raise RuntimeError('Could not retrieve the depgraph.') + return depgraph |