python/cache.cc: Add Package.has_provides to see which packages are provided at least once.

2 files changed, 10 insertions, 1 deletions

diff --git a/debian/changelog b/debian/changelog
index c79ede07..7326ed09 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -14,7 +14,8 @@ python-apt (0.7.94.3) UNRELEASED; urgency=low
   * python/cache.cc:
     - Check that 2nd argument to Cache.update() really is a SourceList object.
     - Fix PackageFile.not_automatic to use NotAutomatic instead of NotSource.
-    - Add Package.has_versions to see which packages have at least one version.
+    - Add Package.has_versions to see which packages have at least one version,
+      and Package.has_provides for provides.
     - Add rich compare methods to the Version object.
   * python/generic.cc:
     - Fix a memory leak when using old attribute names.
diff --git a/python/cache.cc b/python/cache.cc
index 03c453a1..4d7c347a 100644
--- a/python/cache.cc
+++ b/python/cache.cc
@@ -539,6 +539,12 @@ static PyObject *PackageGetHasVersions(PyObject *Self,void*)
    return PyBool_FromLong(Pkg.VersionList().end() == false);
 }
 
+static PyObject *PackageGetHasProvides(PyObject *Self,void*)
+{
+   pkgCache::PkgIterator &Pkg = GetCpp<pkgCache::PkgIterator>(Self);
+   return PyBool_FromLong(Pkg.ProvidesList().end() == false);
+}
+
 static PyObject *PackageGetCurrentVer(PyObject *Self,void*)
 {
    pkgCache::PkgIterator &Pkg = GetCpp<pkgCache::PkgIterator>(Self);
@@ -592,6 +598,8 @@ static PyGetSetDef PackageGetSet[] = {
      "The version of the package currently installed or None."},
     {"has_versions",PackageGetHasVersions,0,
      "Whether the package has at least one version in the cache."},
+    {"has_provides",PackageGetHasProvides,0,
+     "Whether the package is provided by at least one other package."},
     {}
 };