don't fail when upstream is missing

Author: oorestisime

debsources/license_helper.py

@@ -300,11 +300,15 @@ def create_package_code(session, package, version):
 
     time = datetime.now()
     now = str(time.date()) + 'T' + str(time.time()).split('.')[0] + 'Z'
-
+    if not c.header.upstream_name:
+        upstream = package
+        print package
+    else:
+        upstream = c.header.upstream_name
     spdx = ["SPDXVersion: SPDX-2.0", "DataLicense:CC0-1.0",
             "SPDXID: SPDXRef-DOCUMENT",
             "Relationship: SPDXRef-DOCUMENT DESCRIBES SPDXRef-Package",
-            "DocumentName: " + c.header.upstream_name,
+            "DocumentName: " + upstream,
             "DocumentNamespace: http://spdx.org/spdxdocs/" +
             "spdx-example-444504E0-4F89-41D3-9A0C-0305E82C3301",
             "LicenseListVersion: 2.0",
@@ -320,7 +324,7 @@ def create_package_code(session, package, version):
             "Debian and Debsources. </text>",
             "DocumentComment: <text>This document was created using" +
             "SPDX 2.0, version 2.3 of the SPDX License List.</text>",
-            "PackageName: " + c.header.upstream_name,
+            "PackageName: " + upstream,
             "SPDXID: SPDXRef-Package",
             "PackageDownloadLocation: NOASSERTION",
             "PackageVerificationCode: " + create_package_code(session,