launch_uris() indeed inherits stdout/stderr to the child, which is
usually what you want. But not in this case, when we exit the parent
process before the child.
The launch_uris_as_manager() method gives more flexibility, in
particular you can give custom GLib.SpawnFlags to it (launch_uris() just
uses GLib.SpawnFlags.SEARCH_PATH). Unfortunately this is currently
rather awkward to use from Python as it's missing some annotations:
$ python -c "from gi.repository import GLib, Gio;
Gio.DesktopAppInfo.new('gcalctool.desktop').launch_uris_as_manager([], None,
GLib.SpawnFlags.STDOUT_TO_DEV_NULL, None, None, None, None)" | tee /tmp/foo
Traceback (most recent call last):
File "<string>", line 1, in <module>
TypeError: Argument 2 does not allow None as a value
If I hack the annotations to add the missing allow-none's, it works
fine:
$ python -c "from gi.repository import GLib, Gio;
Gio.DesktopAppInfo.new('gcalctool.desktop').launch_uris_as_manager([],
None, GLib.SpawnFlags.SEARCH_PATH | GLib.SpawnFlags.STDOUT_TO_DEV_NULL,
None, None, None, None)" | tee /tmp/foo
This now immediately returns.
** Also affects: glib2.0 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: glib2.0 (Ubuntu)
Importance: Undecided => Medium
** Changed in: glib2.0 (Ubuntu)
Status: New => In Progress
** Changed in: glib2.0 (Ubuntu)
Assignee: (unassigned) => Martin Pitt (pitti)
** Package changed: glib2.0 (Ubuntu) => glib
** Also affects: gobject-introspection (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1259721
Title:
Executing autopilot test suite fails to close when piped to tee
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