Backport a patch from master to drop the python3-pillow dep

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1935838

13524af2029c2a8a3fb32ef27c39c214d9b5b13c.patch

@@ -0,0 +1,84 @@
+commit 4706031223f6809b40ef7d4c3f14103941621d57
+Author: Richard Hughes <richard@hughsie.com>
+Date:   Fri Apr 9 15:20:13 2021 +0100
+
+    Write BMP data directly without using PIL
+    
+    This allows us to drop a build-time dep.
+
+diff --git a/po/make-images b/po/make-images
+index b1097bc2..c3cad9e7 100755
+--- a/po/make-images
++++ b/po/make-images
+@@ -18,7 +18,6 @@ import gi
+ gi.require_version('Pango', '1.0')
+ gi.require_version('PangoCairo', '1.0')
+ from gi.repository import Pango, PangoCairo
+-from PIL import Image
+ 
+ def usage(return_code):
+     """ print usage and exit with the supplied return code """
+@@ -29,6 +28,32 @@ def usage(return_code):
+     out.write("usage: make-images <label text> <mo file directory> <LINGUAS> <installdir>")
+     sys.exit(return_code)
+ 
++def _cairo_surface_write_to_bmp(img: cairo.ImageSurface) -> bytes:
++
++    data = bytes(img.get_data())
++    return (
++        b"BM"
++        + struct.pack(
++            "<ihhiiiihhiiiiii",
++            54 + len(data),  # size of BMP file
++            0,  # unused
++            0,  # unused
++            54,  # pixel array offset
++            40,  # DIB header
++            img.get_width(),  # width
++            -img.get_height(),  # height (top down)
++            1,  # planes
++            32,  # BPP
++            0,  # no compression
++            len(data),  # size of the raw bitmap data
++            2835,  # 72DPI H
++            2835,  # 72DPI V
++            0,  # palette
++            0,  # all colors are important
++        )
++        + data
++    )
++
+ class Rasterizer:
+     """ Rasterize some text """
+ 
+@@ -140,11 +165,8 @@ class Rasterizer:
+                 os.mkdir(d, 0o755)
+             d = os.path.split(filename)[0]
+             make_dir(d)
+-            img.write_to_png(filename)
+-            pimg = Image.open(filename)
+-            img = pimg.copy()
+-            del pimg
+-            img.save(filename)
++            with open(filename, "wb") as f:
++                f.write(_cairo_surface_write_to_bmp(img))
+ 
+         for lang in self.languages:
+             #print("lang:\"%s\" string:\"%s\"" % (lang, string))
+diff --git a/po/test-deps b/po/test-deps
+index f5276daa..27b4055b 100755
+--- a/po/test-deps
++++ b/po/test-deps
+@@ -34,12 +34,6 @@ except ValueError:
+     print("Error: missing cairo gobject introspection library")
+     err = 1
+ 
+-try:
+-    from PIL import Image
+-except ImportError:
+-    print("Error: missing dependency python pillow (python3-pil)")
+-    err = 1
+-
+ try:
+     import cairo
+ except ImportError:

fwupd.spec

@@ -44,11 +44,14 @@
 Summary:   Firmware update daemon
 Name:      fwupd
 Version:   1.5.5
-Release:   2%{?dist}
+Release:   3%{?dist}
 License:   LGPLv2+
 URL:       https://github.com/fwupd/fwupd
 Source0:   http://people.freedesktop.org/~hughsient/releases/%{name}-%{version}.tar.xz
 
+# backport from upstream
+Patch0:    13524af2029c2a8a3fb32ef27c39c214d9b5b13c.patch
+
 BuildRequires: gettext
 BuildRequires: glib2-devel >= %{glib2_version}
 BuildRequires: libxmlb-devel >= %{libxmlb_version}
@@ -89,7 +92,7 @@ BuildRequires: libqmi-devel >= 1.22.0
 
 %if 0%{?have_uefi}
 BuildRequires: efivar-devel >= 33
-BuildRequires: python3 python3-cairo python3-gobject python3-pillow
+BuildRequires: python3 python3-cairo python3-gobject
 BuildRequires: pango-devel
 BuildRequires: cairo-devel cairo-gobject-devel
 BuildRequires: freetype
@@ -471,6 +474,10 @@ done
 %endif
 
 %changelog
+* Mon Apr 12 2021 Richard Hughes <richard@hughsie.com> 1.5.5-3
+- Backport a patch from master to drop the python3-pillow dep
+- Resolves: rhbz#1935838
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.5.5-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild