Revert "Revert "Remove vendored libjuju""

[osm/N2VC.git] / modules / libjuju / juju / loop.py

diff --git a/modules/libjuju/juju/loop.py b/modules/libjuju/juju/loop.py
deleted file mode 100644 (file)
index aca726b..0000000
--- a/modules/libjuju/juju/loop.py
+++ /dev/null
@@ -1,42 +0,0 @@
-import asyncio
-import signal
-
-
-def run(*steps):
-    """
-    Helper to run one or more async functions synchronously, with graceful
-    handling of SIGINT / Ctrl-C.
-
-    Returns the return value of the last function.
-    """
-    if not steps:
-        return
-
-    task = None
-    run._sigint = False  # function attr to allow setting from closure
-    loop = asyncio.get_event_loop()
-
-    def abort():
-        task.cancel()
-        run._sigint = True
-
-    added = False
-    try:
-        loop.add_signal_handler(signal.SIGINT, abort)
-        added = True
-    except (ValueError, OSError, RuntimeError) as e:
-        # add_signal_handler doesn't work in a thread
-        if 'main thread' not in str(e):
-            raise
-    try:
-        for step in steps:
-            task = loop.create_task(step)
-            loop.run_until_complete(asyncio.wait([task], loop=loop))
-            if run._sigint:
-                raise KeyboardInterrupt()
-            if task.exception():
-                raise task.exception()
-        return task.result()
-    finally:
-        if added:
-            loop.remove_signal_handler(signal.SIGINT)