def get(cls, address):
"""Returns the specified module target if already parsed; otherwise, parses the buildfile in the
context of its parent directory and returns the parsed target."""
def lookup():
return Target._targets_by_address[
address] if address in Target._targets_by_address else None
target = lookup()
if target:
return target
else:
ParseContext(address.buildfile).parse()
return lookup()
def get_all_addresses(cls, buildfile):
"""Returns all of the target addresses in the specified buildfile if already parsed; otherwise,
parses the buildfile to find all the addresses it contains and then returns them."""
def lookup():
if buildfile in Target._addresses_by_buildfile:
return Target._addresses_by_buildfile[buildfile]
else:
return None
addresses = lookup()
if addresses:
return addresses
else:
ParseContext(buildfile).parse()
return lookup()
def locate(self): parse_context = ParseContext.locate() return Address(parse_context.buildfile, self.name, self.is_meta)
def _post_construct(self, func, *args, **kwargs):
"""Registers a command to invoke after this target's BUILD file is parsed."""
ParseContext.locate().on_context_exit(func, *args, **kwargs)
def locate(self):
parse_context = ParseContext.locate()
return Address(parse_context.buildfile, self.name, self.is_meta)
def do_in_context(self, work):
return ParseContext(self.address.buildfile).do_in_context(work)