Add a python bindings sequence test

[babeltrace.git] / bindings / python / examples / sequence_test.py

diff --git a/bindings/python/examples/sequence_test.py b/bindings/python/examples/sequence_test.py
new file mode 100644 (file)
index 0000000..403bdab
--- /dev/null
+++ b/bindings/python/examples/sequence_test.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+# sequence_test.py
+#
+# Babeltrace example script based on the Babeltrace API test script
+#
+# Copyright 2013 Xiaona Han
+# Copyright 2012 EfficiOS Inc.
+#
+# Author: Danny Serres <danny.serres@efficios.com>
+# Author: Xiaona Han <xiaonahappy13@163.com>
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+
+# This example uses the babeltrace python module
+# to partially test the sequence API
+
+import sys
+from babeltrace import *
+
+# Check for path arg:
+if len(sys.argv) < 2:
+       raise TypeError("Usage: sequence_test.py path/to/file")
+
+# Create context and add trace:
+ctx = Context()
+trace_handle = ctx.add_trace(sys.argv[1], "ctf")
+if trace_handle is None:
+       raise IOError("Error adding trace")
+
+# Listing events
+lst = ctf.get_event_decl_list(trace_handle, ctx)
+print("--- Event list ---")
+for item in lst:
+       print("event : {}".format(item.get_name()))
+print("--- Done ---")
+
+# Iter trace
+bp = IterPos(SEEK_BEGIN)
+ctf_it = ctf.Iterator(ctx,bp)
+event = ctf_it.read_event()
+
+while(event is not None):
+       print("TS: {}, {} : {}".format(event.get_timestamp(),
+               event.get_cycles(), event.get_name()))
+       field = event.get_field("seq_int_field")
+       if field is not None:
+               print("int sequence values: {}". format(field[0].get_value()))
+       field = event.get_field("seq_long_field")
+       if field is not None:
+               print("long sequence values: {}". format(field[0].get_value()))
+
+       ret = ctf_it.next()
+       if ret < 0:
+               break
+       else:
+               event = ctf_it.read_event()
+
+del ctf_it