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-rw-r--r--morphlib/__init__.py1
-rw-r--r--morphlib/artifactcachereference.py43
-rw-r--r--without-test-modules1
3 files changed, 45 insertions, 0 deletions
diff --git a/morphlib/__init__.py b/morphlib/__init__.py
index baf4c253..4d9ad22e 100644
--- a/morphlib/__init__.py
+++ b/morphlib/__init__.py
@@ -26,6 +26,7 @@ class Error(cliapp.AppException):
import artifact
+import artifactcachereference
import artifactresolver
import bins
import buildenvironment
diff --git a/morphlib/artifactcachereference.py b/morphlib/artifactcachereference.py
new file mode 100644
index 00000000..4cc73290
--- /dev/null
+++ b/morphlib/artifactcachereference.py
@@ -0,0 +1,43 @@
+# Copyright (C) 2012 Codethink Limited
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+class ArtifactCacheReference(object):
+
+ '''Represent the information needed to retrieve an artifact
+
+ The artifact cache doesn't need to know the dependencies or the
+ morphology of an artifact, it just needs to know the cache key,
+ name and kind.
+ '''
+ def __init__(self, name, cache_key, kind):
+ self.name = name
+ self.cache_key = cache_key
+ self.kind = kind
+
+ def basename(self):
+ return '%s.%s.%s' % (self.cache_key,
+ self.kind,
+ self.name)
+
+ def metadata_basename(self, metadata_name):
+ return '%s.%s.%s.%s' % (self.cache_key,
+ self.kind,
+ self.name,
+ metadata_name)
+
+ @classmethod
+ def from_artifact(klass, artifact):
+ return klass(artifact.name, artifact.cache_key,
+ artifact.source.morphology['kind'])
diff --git a/without-test-modules b/without-test-modules
index d91cc77b..936e0b07 100644
--- a/without-test-modules
+++ b/without-test-modules
@@ -1,4 +1,5 @@
morphlib/__init__.py
+morphlib/artifactcachereference.py
morphlib/builddependencygraph.py
morphlib/tester.py
morphlib/git.py