+def get_source_by_package_and_suite(package, suite_name, session):
+ '''
+ returns a DBSource query filtered by DBBinary.package and this package's
+ suite_name
+ '''
+ return session.query(DBSource). \
+ join(DBSource.binaries).filter_by(package = package). \
+ join(DBBinary.suites).filter_by(suite_name = suite_name)
+