[buildstream] 09/19: Psuedocode for subprocess context manager

[tv...@apache.org]

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tvb pushed a commit to branch phil/ui-split-refactor
in repository https://gitbox.apache.org/repos/asf/buildstream.git

commit e0561a73703dfbb0ec6c82bbdafc63ccea2997ad
Author: Phil Dawson <ph...@codethink.co.uk>
AuthorDate: Thu Jun 20 11:12:30 2019 +0100

    Psuedocode for subprocess context manager
---
 src/buildstream/_stream.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/src/buildstream/_stream.py b/src/buildstream/_stream.py
index 2d451c6..4a1edcf 100644
--- a/src/buildstream/_stream.py
+++ b/src/buildstream/_stream.py
@@ -1609,3 +1609,17 @@ class Stream():
         # a new use-case arises.
         #
         raise TypeError("Stream objects should not be pickled.")
+
+    # TODO
+    # Causes the decorated method to be run in a subprocess
+    @contextmanager
+    def subprocessed(self, func, *args, **kwargs):
+        pass
+        # Set up event loop
+
+        # Start subprocessed work
+
+        # Run event loop. This event loop should exit once the
+        # subprocessed work has completed
+
+        # Return result of subprocessed function