[LyX/master] docbook2epub: create the OEBPS and META-INF folders that Saxon seems unable to create.

[Thibaut Cuvelier]

commit 637ae9528fbb38f4ea426dcbfacfc1772f61d148
Author: Thibaut Cuvelier <tcuvelier at lyx.org>
Date:   Mon Nov 11 23:43:34 2024 +0100

    docbook2epub: create the OEBPS and META-INF folders that Saxon seems unable to create.
---
 lib/scripts/docbook2epub.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/scripts/docbook2epub.py b/lib/scripts/docbook2epub.py
index 5cd8593dbb..6e961e6147 100644
--- a/lib/scripts/docbook2epub.py
+++ b/lib/scripts/docbook2epub.py
@@ -60,9 +60,14 @@ class DocBookToEpub:
 
         # Precompute paths that will be used later.
         self.output_dir = tempfile.mkdtemp().replace('\\', '/')
-        self.package_opf = self.output_dir + '/OEBPS/package.opf'  # Does not exist yet,
+        self.package_opf = self.output_dir + '/OEBPS/package.opf'
         print('Temporary output directory: %s' % self.output_dir)
 
+        os.mkdir(self.output_dir + '/OEBPS')
+        os.mkdir(self.output_dir + '/OEBPS/images')
+        os.mkdir(self.output_dir + '/META-INF')
+        print('Created the folder structure')
+
         if self.xslt_path is None:
             self.xslt = self.script_folder + 'docbook/epub3/chunk.xsl'
         else: