Add patch to adapt to rpm Python bindings changing from bytes to strings (RH#1699432)

0101-creator-Change-to-text-strings-for-reading-file-list.patch

@@ -0,0 +1,36 @@
+From e9f51002c7dd0749723843f0c2270789faa01956 Mon Sep 17 00:00:00 2001
+From: Neal Gompa <ngompa13@gmail.com>
+Date: Fri, 12 Apr 2019 21:28:13 -0400
+Subject: [PATCH] creator: Change to text strings for reading file list from
+ rpm
+
+RPM changed its Python bindings for the RPM 4.15 release so that
+everything is returned as text strings rather than byte arrays.
+
+Adapt accordingly.
+---
+ imgcreate/creator.py | 7 ++-----
+ 1 file changed, 2 insertions(+), 5 deletions(-)
+
+diff --git a/imgcreate/creator.py b/imgcreate/creator.py
+index 51d92c7..e77a532 100644
+--- a/imgcreate/creator.py
++++ b/imgcreate/creator.py
+@@ -306,12 +306,9 @@ class ImageCreator(object):
+         def get_version(header):
+             version = None
+             for f in header['filenames']:
+-                if f.startswith(b'/boot/vmlinuz-'):
++                if f.startswith('/boot/vmlinuz-'):
+                     version = f[14:]
+-            if version is None:
+-                return version
+-            else:
+-                return version.decode("utf-8")
++            return version
+ 
+         ts = rpm.TransactionSet(self._instroot)
+ 
+-- 
+2.20.1
+

livecd-tools.spec

@@ -17,7 +17,7 @@
 Summary: Tools for building live CDs
 Name: livecd-tools
 Version: 26.1
-Release: 3%{?dist}
+Release: 4%{?dist}
 Epoch: 1
 License: GPLv2
 URL: https://github.com/livecd-tools/livecd-tools
@@ -27,6 +27,10 @@ Source0: https://releases.pagure.org/%{name}/%{name}-%{version}.tar.gz
 ## Use systemctl instead of chkconfig (rhbz#1696064)
 Patch0001: 0001-Use-systemctl-instead-of-chkconfig-for-enabling-disa.patch
 
+# Proposed changes
+## Change from bytearrays to strings for data from rpm Python bindings
+Patch0101: 0101-creator-Change-to-text-strings-for-reading-file-list.patch
+
 %if %{with python2}
 BuildRequires: python2-devel
 %endif
@@ -157,7 +161,13 @@ Tools for installing Live CD ISOs to different mediums
 %endif
 
 %prep
-%autosetup -p1
+%setup -q
+%patch0001 -p1
+
+%if 0%{?fedora} >= 31
+# Apply only if new rpm Python binding semantics exist
+%patch0101 -p1
+%endif
 
 %build
 # Nothing to do
@@ -221,6 +231,9 @@ rm -rfv %{buildroot}%{_mandir}/man8/livecd-iso-to-*
 %endif
 
 %changelog
+* Fri Apr 12 2019 Neal Gompa <ngompa13@gmail.com> - 1:26.1-4
+- Add patch to adapt to rpm Python bindings changing from bytes to strings (RH#1699432)
+
 * Thu Apr 04 2019 Neal Gompa <ngompa13@gmail.com> - 1:26.1-3
 - Backport fix from upstream to use systemctl instead of chkconfig (RH#1696064)