Mercurial > repos > borgend / file diff

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/instance.py	Thu Jan 18 23:01:16 2018 +0000
@@ -0,0 +1,49 @@
+#
+# Borgend borg launcher / processor
+#
+
+import json
+import subprocess
+import config
+import Queue
+import Thread
+
+def linereader(stream, instance, queue)
+    # What to do on error?
+    for line in iter(stream.readline, b''):
+        status=json.loads(line)
+        queue.put({'identifier': instance.identifier,
+                   'operation': instance.operation,
+                   'status': status})
+    out.close()
+
+class BorgInstance:
+
+    def __init__(self, identifier, operation, args):
+        self.identifier=identifier;
+        self.operation=operation;
+        self.args=args;
+
+    def construct_cmdline(self):
+        ???
+
+    def launch(self, queue):
+        # What to do with stderr? Is it needed?
+        self.proc=subprocess.Popen(self.construct_cmdline(),
+                                   stdout=subprocess.PIPE,
+                                   stderr=subprocess.PIPE)
+        linereaderargs=(self.proc.stdout, self, queue)
+        self.t=Thread(target=linereader, args=linereaderargs)
+        t.daemon=True
+        t.start()
+
+    def read_output():
+        try:
+            obj=self.queue.get_nowait()
+        except Empty:
+            obj=Empty
+        return obj
+
+
+
+