Rename morph3 to morphologybaserock/adamcoldrick/remove-morph2

Instead of leaving morph3 with a potentially confusing name, rename it
to `morphology` since it is now the only implementation of the
Morphology class.

1 files changed, 55 insertions, 0 deletions

diff --git a/morphlib/morphology.py b/morphlib/morphology.py
new file mode 100644
index 00000000..a91ff390
--- /dev/null
+++ b/morphlib/morphology.py
@@ -0,0 +1,55 @@
+# Copyright (C) 2013-2014  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.
+#
+# =*= License: GPL-2 =*=
+
+
+import UserDict
+
+import morphlib
+
+
+class Morphology(UserDict.IterableUserDict):
+
+    '''A container for a morphology, plus its metadata.
+
+    A morphology is, basically, a dict. This class acts as that dict,
+    plus stores additional metadata about the morphology, such as where
+    it came from, and the ref that was used for it. It also has a dirty
+    attribute, to indicate whether the morphology has had changes done
+    to it, but does not itself set that attribute: the caller has to
+    maintain the flag themselves.
+
+    This class does NO validation of the data, nor does it parse the
+    morphology text, or produce a textual form of itself. For those
+    things, see MorphologyLoader.
+
+    '''
+
+    def __init__(self, *args, **kwargs):
+        UserDict.IterableUserDict.__init__(self, *args, **kwargs)
+        self.repo_url = None
+        self.ref = None
+        self.filename = None
+        self.dirty = None
+
+    def get_commands(self, which):
+        '''Return the commands to run from a morphology or the build system'''
+        if self.get(which, None) is None:
+            attr = '_'.join(which.split('-'))
+            bs = morphlib.buildsystem.lookup_build_system(self['build-system'])
+            return getattr(bs, attr)
+        else:
+            return self[which]