def specForDependency(name, version_spec, istest):
shrinkwrap = self.getShrinkwrapMapping()
shrinkwrap_version_req = None
if name in shrinkwrap:
# exact version, and pull from registry:
shrinkwrap_version_req = shrinkwrap[name]
logger.debug('respecting %s shrinkwrap version %s for %s',
self.getName(), shrinkwrap_version_req, name)
return pack.DependencySpec(
name,
version_spec,
istest,
shrinkwrap_version_req=shrinkwrap_version_req,
specifying_module=self.getName())
def baseTargetSpec(self):
''' returns pack.DependencySpec for the base target of this target (or
None if this target does not inherit from another target.
'''
inherits = self.description.get('inherits', {})
if len(inherits) == 1:
return pack.DependencySpec(
list(inherits.items())[0][0],
list(inherits.items())[0][1])
elif len(inherits) > 1:
logger.error(
'target %s specifies multiple base targets, but only one is allowed',
self.getName())
return None
def baseTargetSpec(self):
''' returns pack.DependencySpec for the base target of this target (or
None if this target does not inherit from another target.
'''
inherits = self.description.get('inherits', {})
if len(inherits) == 1:
name, version_req = list(inherits.items())[0]
shrinkwrap_version_req = self.getShrinkwrapMapping('targets').get(name, None)
if shrinkwrap_version_req is not None:
logger.debug(
'respecting shrinkwrap version %s for %s', shrinkwrap_version_req, name
)
return pack.DependencySpec(
name,
version_req,
shrinkwrap_version_req = shrinkwrap_version_req
)
elif len(inherits) > 1:
logger.error('target %s specifies multiple base targets, but only one is allowed', self.getName())
return None
def getDerivedTarget(target_name_and_version,
targets_path,
application_dir=None,
install_missing=True,
update_installed=False,
additional_config=None):
# access, , get components, internal
from yotta.lib import access
from yotta.lib import access_common
''' Get the specified target description, optionally ensuring that it (and
all dependencies) are installed in targets_path.
Returns (DerivedTarget, errors), or (None, errors) if the leaf target
could not be found/installed.
'''
logger.debug('satisfy target: %s' % target_name_and_version)
if ',' in target_name_and_version:
name, ver = target_name_and_version.split(',')
dspec = pack.DependencySpec(name, ver)
else:
dspec = pack.DependencySpec(target_name_and_version, "*")
leaf_target = None
previous_name = dspec.name
search_dirs = [targets_path]
target_hierarchy = []
errors = []
while True:
t = None
try:
if install_missing:
t = access.satisfyVersion(
name=dspec.name,
version_required=dspec.versionReq(),
available=target_hierarchy,
search_paths=search_dirs,
working_directory=targets_path,
update_installed=('Update' if update_installed else None),
type='target')
else:
t = access.satisfyVersionFromSearchPaths(
name=dspec.name,
version_required=dspec.versionReq(),
search_paths=search_dirs,
type='target')
except access_common.Unavailable as e:
errors.append(e)
if not t:
if install_missing:
logger.error('could not install target %s for %s' %
(dspec, previous_name))
break
else:
target_hierarchy.append(t)
previous_name = dspec.name
assert (isinstance(t, Target))
dspec = t.baseTargetSpec() #pylint: disable=no-member
if not leaf_target:
leaf_target = t
if dspec is None:
break
if leaf_target is None:
return (None, errors)
# if we have a valid target, try to load the app-specific config data (if
# any):
app_config = {}
if application_dir is not None:
app_config_fname = os.path.join(application_dir, App_Config_File)
if os.path.exists(app_config_fname):
try:
app_config = ordered_json.load(app_config_fname)
except Exception as e:
errors.append(
Exception("Invalid application config.json: %s" % (e)))
return (DerivedTarget(leaf_target, target_hierarchy[1:], app_config,
additional_config), errors)
