def apply_cmd_output(self):
if self.command is None:
raise Errors.WafError("command-output missing command")
if self.command_is_external:
cmd = self.command
cmd_node = None
else:
cmd_node = self.path.find_resource(self.command)
assert cmd_node is not None, ('''Could not find command '%s' in source tree.
Hint: if this is an external command,
use command_is_external=True''') % (self.command,)
cmd = cmd_node
if self.cwd is None:
cwd = None
else:
assert isinstance(cwd, CmdDirArg)
self.cwd.find_node(self.path)
args = []
inputs = []
outputs = []
for arg in self.argv:
if isinstance(arg, cmd_arg):
arg.find_node(self.path)
if isinstance(arg, input_file):
inputs.append(arg.node)
if isinstance(arg, output_file):
outputs.append(arg.node)
if self.stdout is None:
stdout = None
else:
assert isinstance(self.stdout, str)
stdout = self.path.find_or_declare(self.stdout)
if stdout is None:
raise Errors.WafError("File %s not found" % (self.stdout,))
outputs.append(stdout)
if self.stderr is None:
stderr = None
else:
assert isinstance(self.stderr, str)
stderr = self.path.find_or_declare(self.stderr)
if stderr is None:
raise Errors.WafError("File %s not found" % (self.stderr,))
outputs.append(stderr)
if self.stdin is None:
stdin = None
else:
assert isinstance(self.stdin, str)
stdin = self.path.find_resource(self.stdin)
if stdin is None:
raise Errors.WafError("File %s not found" % (self.stdin,))
inputs.append(stdin)
for hidden_input in self.to_list(self.hidden_inputs):
node = self.path.find_resource(hidden_input)
if node is None:
raise Errors.WafError("File %s not found in dir %s" % (hidden_input, self.path))
inputs.append(node)
for hidden_output in self.to_list(self.hidden_outputs):
node = self.path.find_or_declare(hidden_output)
if node is None:
raise Errors.WafError("File %s not found in dir %s" % (hidden_output, self.path))
outputs.append(node)
if not (inputs or getattr(self, 'no_inputs', None)):
raise Errors.WafError('command-output objects must have at least one input file or give self.no_inputs')
if not (outputs or getattr(self, 'no_outputs', None)):
raise Errors.WafError('command-output objects must have at least one output file or give self.no_outputs')
cwd = self.bld.variant_dir
task = command_output(self.env, cmd, cmd_node, self.argv, stdin, stdout, cwd, self.os_env, stderr)
task.generator = self
Utils.copy_attrs(self, task, 'before after ext_in ext_out', only_if_set=True)
self.tasks.append(task)
task.inputs = inputs
task.outputs = outputs
task.dep_vars = self.to_list(self.dep_vars)
for dep in self.dependencies:
assert dep is not self
dep.post()
for dep_task in dep.tasks:
task.set_run_after(dep_task)
if not task.inputs:
# the case for svnversion, always run, and update the output nodes
task.runnable_status = type(Task.TaskBase.run)(runnable_status, task, task.__class__) # always run
task.post_run = type(Task.TaskBase.run)(post_run, task, task.__class__)
