Fix: missing paragraph in python bindings license (MIT)

[babeltrace.git] / bindings / python / examples / example-api-test.py

diff --git a/bindings/python/examples/example-api-test.py b/bindings/python/examples/example-api-test.py
index 104f2d5585e3c216ebe2a0611f400cd1d1f28ecd..5410d2c26a3112331ffe94a3528af20a8740f6e2 100644 (file)
--- a/bindings/python/examples/example-api-test.py
+++ b/bindings/python/examples/example-api-test.py
@@ -1,20 +1,29 @@
+#!/usr/bin/env python3
 # example_api_test.py
-# 
+#
 # Babeltrace example script based on the Babeltrace API test script
-# 
+#
 # Copyright 2012 EfficiOS Inc.
-# 
+#
 # Author: Danny Serres <danny.serres@efficios.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.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
 
 # This example uses the babeltrace python module
 # to partially test the api.
@@ -24,54 +33,36 @@ from babeltrace import *
 
 # Check for path arg:
 if len(sys.argv) < 2:
-       raise TypeError("Usage: python example-api-test.py path/to/file")
+    raise TypeError("Usage: python example-api-test.py path/to/file")
 
-# Create context and add trace:
-ctx = Context()
-trace_handle = ctx.add_trace(sys.argv[1], "ctf")
+# Create TraceCollection and add trace:
+traces = TraceCollection()
+trace_handle = traces.add_trace(sys.argv[1], "ctf")
 if trace_handle is None:
-       raise IOError("Error adding trace")
+    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()))
+for event_declaration in trace_handle.events:
+    print("event : {}".format(event_declaration.name))
+    if event_declaration.name == "sched_switch":
+        for field_declaration in event_declaration.fields:
+            print(field_declaration)
 print("--- Done ---")
 
-# Iter trace
-bp = IterPos(SEEK_BEGIN)
-ctf_it = ctf.Iterator(ctx,bp)
-event = ctf_it.read_event()
+for event in traces.events:
+    print("TS: {}, {} : {}".format(event.timestamp, event.cycles, event.name))
 
-while(event is not None):
-       print("TS: {}, {} : {}".format(event.get_timestamp(),
-               event.get_cycles(), event.get_name()))
+    if event.name == "sched_switch":
+        prev_comm = event["prev_comm"]
+        if prev_comm is None:
+            print("ERROR: Missing prev_comm context info")
+        else:
+            print("sched_switch prev_comm: {}".format(prev_comm))
 
-       if event.get_name() == "sched_switch":
-               sco = event.get_top_level_scope(ctf.scope.EVENT_FIELDS)
-               prev_field = event.get_field(sco, "_prev_comm")
-               prev_comm = prev_field.get_char_array()
-
-               if ctf.field_error():
-                       print("ERROR: Missing prev_comm context info")
-               else:
-                       print("sched_switch prev_comm: {}".format(prev_comm))
-
-       if event.get_name() == "exit_syscall":
-               sco = event.get_top_level_scope(ctf.scope.EVENT_FIELDS)
-               ret_field = event.get_field(sco, "_ret")
-               ret_code = ret_field.get_int64()
-
-               if ctf.field_error():
-                       print("ERROR: Unable to extract ret")
-               else:
-                       print("exit_syscall ret: {}".format(ret_code))
-
-       ret = ctf_it.next()
-       if ret < 0:
-               break
-       else:
-               event = ctf_it.read_event()
-
-del ctf_it
+    if event.name == "exit_syscall":
+        ret_code = event["ret"]
+        if ret_code is None:
+            print("ERROR: Unable to extract ret")
+        else:
+            print("exit_syscall ret: {}".format(ret_code))