[Yum-devel] [PATCH 1/3] Add .base_package_name, which parses .sourcerpm or uses .name

[James Antill]

 This is added to RpmBase, so we can do it for installed pkgs too, we
could move it even higher as it only actually needs .name to work.

 Also get rid of an extra .isSrpm() call.
---
 yum/packages.py |   20 +++++++++++++++++++-
 1 files changed, 19 insertions(+), 1 deletions(-)

diff --git a/yum/packages.py b/yum/packages.py
index bb0e7ca..71430fd 100644
--- a/yum/packages.py
+++ b/yum/packages.py
@@ -488,6 +488,25 @@ class RpmBase(object):
     changelog = property(fget=lambda self: self.returnChangelog())
     EVR = property(fget=lambda self: self.returnEVR())
     
+    def _getBaseName(self):
+        """ Return the "base name" of the package, atm. we can only look at
+            the sourcerpm. """
+        if hasattr(self, '_base_package_name_ret'):
+            return self._base_package_name_ret
+
+        if hasattr(self, 'sourcerpm') and self.sourcerpm:
+            (n, v, r, e, a) = rpmUtils.miscutils.splitFilename(self.sourcerpm)
+            if n != self.name:
+                self._base_package_name_ret = n
+                return n
+
+        # If there is no sourcerpm, or sourcerpm == us, use .name
+        self._base_package_name_ret = self.name
+        return self._base_package_name_ret
+
+    base_package_name = property(fget=lambda self: self._getBaseName())
+
+
 class PackageEVR:
 
     """
@@ -1570,7 +1589,6 @@ class YumLocalPackage(YumHeaderPackage):
         self.pkgtup = (self.name, self.arch, self.epoch, self.ver, self.rel)
         self._hdrstart = None
         self._hdrend = None
-        self.arch = self.isSrpm()
         self.checksum_type = misc._default_checksums[0]
 
         # these can be set by callers that need these features (ex: createrepo)
-- 
1.6.2.5