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#! /usr/bin/env python
import ndcctools.taskvine as vine
import os.path as path
filename = "hello.txt"
def create_file():
with open(filename, "w") as f:
f.write("hello")
m = vine.DaskVine(port=[9123, 9129])
print("testing without submitting task")
create_file()
assert path.exists(filename)
f = m.declare_file("hello.txt", unlink_when_done=True)
m.remove_file(f)
assert not path.exists(filename)
class FakeTask(vine.PythonTask):
def __init__(self, filename):
super().__init__(lambda x: x)
self._filename = filename
self._cleanup = None
def submit_finalize(self):
self._input = m.declare_file(self._filename, unlink_when_done=True)
self.add_input(self._input, "input")
super().submit_finalize()
def __del__(self):
self._manager.remove_file(self._input)
super().__del__()
print("test unlink_when_done deleting task")
create_file()
assert path.exists(filename)
o = m.declare_temp()
m.log_debug_app("declaring task")
t = FakeTask(filename)
t.add_output(o, "output")
id = m.submit(t)
m.cancel_by_task_id(id)
t = m.wait(5)
assert path.exists(filename)
t = None
m.remove_file(o)
m.log_debug_app(f"was hello.txt deleted? {not path.exists(filename)}")
assert not path.exists(filename)
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