Licensing information

[deliverable/lttng-ivc.git] / lttng_ivc / utils / ProjectFactory.py

diff --git a/lttng_ivc/utils/ProjectFactory.py b/lttng_ivc/utils/ProjectFactory.py
index 5daba558e17006ec24e512f6a600d6b3c667231b..1488b9093bf540512e0dc4a5b7fd59a28e062ce6 100644 (file)
--- a/lttng_ivc/utils/ProjectFactory.py
+++ b/lttng_ivc/utils/ProjectFactory.py
@@ -1,3 +1,23 @@
+# Copyright (c) 2017 Jonathan Rajotte-Julien <jonathan.rajotte-julien@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.
+
 import os
 import logging
 import yaml
@@ -6,6 +26,7 @@ import pickle
 import lttng_ivc.utils.project as Project
 import lttng_ivc.settings as Settings
 
+from lttng_ivc.utils.utils import sha256_checksum
 
 _logger = logging.getLogger('project.factory')
 _project_constructor = {
@@ -17,6 +38,8 @@ _project_constructor = {
 
 __projects_cache = {}
 
+_project_py_checksum = sha256_checksum(Settings.project_py_file_location)
+
 _markers = None
 with open(Settings.run_configuration_file, 'r') as stream:
     # This is voluntary static across calls, no need to perform this
@@ -38,10 +61,15 @@ def get_fresh(label, tmpdir):
 
 def _validate_pickle(pickle, label):
     _logger.debug("Checking validate for {} {}".format(pickle,
-        label))
+                                                       label))
+    if pickle._py_file_checksum != _project_py_checksum:
+        _logger.warn("Project py file changed".format(pickle.label,
+                                                      label))
+        return False
+
     if pickle.label != label:
         _logger.warn("Label  {} and {} are not the same".format(pickle.label,
-            label))
+                                                                label))
         return False
     if pickle.sha1 != _markers[label]['sha1']:
         _logger.warn("Sha1  {} and {} are not the same".format(pickle.sha1,