Prevent reposync tracebacks on packages with empty release

python/spacewalk/satellite_tools/repo_plugins/yum_src.py

@@ -1180,6 +1180,10 @@ def list_packages(self, filters, latest):
         for pack in pkglist:
             new_pack = ContentPackage()
             epoch, version, release = RawSolvablePackage._parse_solvable_evr(pack.evr)
+            # Prevent repeating to download the package with empty release on each run.
+            # Release should be specified in the package. Assuming empty release as 0.
+            if release == "":
+                release = "0"
             new_pack.setNVREA(pack.name, version, release, epoch, pack.arch)
             new_pack.unique_id = RawSolvablePackage(pack)
             checksum = pack.lookup_checksum(solv.SOLVABLE_CHECKSUM)

python/spacewalk/spacewalk-backend.changes.vzhestkov.fix-reposync-with-no-release

@@ -0,0 +1 @@
+- Prevent reposync tracebacks on packages with empty release (bsc#1213738)

python/uyuni/common/rhn_rpm.py

@@ -89,6 +89,14 @@ def __getitem__(self, name):
             item = sstr(item)
         elif isinstance(item, list):
             item = [sstr(i) if isinstance(i, bytes) else i for i in item]
+
+        # Workaround to make it possible to overlap empty release with 0
+        # to prevent tracebacks on synchronization the packages with empty release.
+        # Actually there is no way to set values back to the header,
+        # so __setitem__ is useless in this class.
+        if name == "release" and item == "":
+            item = "0"
+
         return item
 
     def __contains__(self, name):
@@ -101,12 +109,7 @@ def __delitem__(self, name):
         del self.hdr[name]
 
     def __getattr__(self, name):
-        item = getattr(self.hdr, name)
-        if isinstance(item, bytes):
-            item = sstr(item)
-        elif isinstance(item, list):
-            item = [sstr(i) if isinstance(i, bytes) else i for i in item]
-        return item
+        return __getitem__(name)
 
     def __len__(self):
         return len(self.hdr)
@@ -220,7 +223,7 @@ def read_header(self):
             e = sys.exc_info()[1]
             raise_with_tb(InvalidPackageError(e), sys.exc_info()[2])
         except:
-            raise_with_tb(InvalidPackageError, sys.exc_info()[2])
+            raise_with_tb(InvalidPackageError(), sys.exc_info()[2])
         self.checksum_type = self.header.checksum_type()
 
     def _get_header_byte_range(self):

python/uyuni/uyuni-common-libs.changes.vzhestkov.fix-reposync-with-no-release

@@ -0,0 +1 @@
+- Prevent reposync tracebacks on packages with empty release (bsc#1213738)