def java_sources(self):
if self._raw_java_sources is not None:
self._java_sources = list(Target.resolve_all(maybe_list(self._raw_java_sources, Target),
JavaLibrary))
self._raw_java_sources = None
# TODO(John Sirois): reconsider doing this auto-linking.
# We have circular java/scala dep, add an inbound dependency edge from java to scala in this
# case to force scala compilation to precede java - since scalac supports generating java
# stubs for these cycles and javac does not this is both necessary and always correct.
for java_target in self._java_sources:
java_target.update_dependencies([self])
return self._java_sources
def _resolve_target_sources(self, target_sources, extension=None, relative_to_target_base=False):
"""Given a list of pants targets, extract their sources as a list.
Filters against the extension if given and optionally returns the paths relative to the target
base.
"""
resolved_sources = []
for resolved in Target.resolve_all(target_sources):
if hasattr(resolved, 'sources'):
resolved_sources.extend(
source if relative_to_target_base else os.path.join(resolved.target_base, source)
for source in resolved.sources if not extension or source.endswith(extension)
)
return resolved_sources
def _link_java_cycles(self):
if self._raw_java_sources is not None:
self._java_sources = list(Target.resolve_all(maybe_list(self._raw_java_sources, Target),
JavaLibrary))
self._raw_java_sources = None
# TODO(John Sirois): reconsider doing this auto-linking.
# We have circular java/scala dep, add an inbound dependency edge from java to scala in this
# case to force scala compilation to precede java - since scalac supports generating java
# stubs for these cycles and javac does not this is both necessary and always correct.
for java_target in self._java_sources:
# If this scala library provides an artifact, Fail if the java target also.
if self.provides and java_target.provides:
raise TargetDefinitionException(self,
"Associated Java Target %s also provides an artifact"
% java_target)
self.update_dependencies(java_target.dependencies)
java_target.update_dependencies([self])
