From 380752b11532d68695b5887a2ea24ad8d025cf74 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 26 Jun 2009 10:36:44 -0700
Subject: [PATCH] Fix #2713 (blank page inserted after each page on CBZ -> MOBI
 conversion)

---
 src/calibre/ebooks/mobi/output.py |  6 +++++-
 src/calibre/ebooks/mobi/writer.py | 12 ++++++++----
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/calibre/ebooks/mobi/output.py b/src/calibre/ebooks/mobi/output.py
index 301e0a5a67..84860d3d0f 100644
--- a/src/calibre/ebooks/mobi/output.py
+++ b/src/calibre/ebooks/mobi/output.py
@@ -47,6 +47,7 @@ class MOBIOutput(OutputFormatPlugin):
         from calibre.ebooks.oeb.transforms.manglecase import CaseMangler
         from calibre.ebooks.oeb.transforms.rasterize import SVGRasterizer
         from calibre.ebooks.oeb.transforms.htmltoc import HTMLTOCAdder
+        from calibre.customize.ui import plugin_for_input_format
         imagemax = PALM_MAX_IMAGE_SIZE if opts.rescale_images else None
         tocadder = HTMLTOCAdder(title=opts.toc_title)
         tocadder(oeb, opts)
@@ -56,8 +57,11 @@ class MOBIOutput(OutputFormatPlugin):
         rasterizer(oeb, opts)
         mobimlizer = MobiMLizer(ignore_tables=opts.linearize_tables)
         mobimlizer(oeb, opts)
+        write_page_breaks_after_item = not input_plugin is plugin_for_input_format('cbz')
+        print 111111, write_page_breaks_after_item
         writer = MobiWriter(opts, imagemax=imagemax,
                 compression=UNCOMPRESSED if opts.dont_compress else PALMDOC,
-                            prefer_author_sort=opts.prefer_author_sort)
+                            prefer_author_sort=opts.prefer_author_sort,
+                            write_page_breaks_after_item=write_page_breaks_after_item)
         writer(oeb, output_path)
 
diff --git a/src/calibre/ebooks/mobi/writer.py b/src/calibre/ebooks/mobi/writer.py
index 07bc713b94..28aacd6e07 100644
--- a/src/calibre/ebooks/mobi/writer.py
+++ b/src/calibre/ebooks/mobi/writer.py
@@ -156,10 +156,11 @@ def rescale_image(data, maxsizeb, dimen=None):
 class Serializer(object):
     NSRMAP = {'': None, XML_NS: 'xml', XHTML_NS: '', MBP_NS: 'mbp'}
 
-    def __init__(self, oeb, images):
+    def __init__(self, oeb, images, write_page_breaks_after_item=True):
         self.oeb = oeb
         self.images = images
         self.logger = oeb.logger
+        self.write_page_breaks_after_item = write_page_breaks_after_item
         self.id_offsets = {}
         self.href_offsets = defaultdict(list)
         self.breaks = []
@@ -239,7 +240,8 @@ class Serializer(object):
         self.id_offsets[item.href] = buffer.tell()
         for elem in item.data.find(XHTML('body')):
             self.serialize_elem(elem, item)
-        buffer.write('<mbp:pagebreak/>')
+        if self.write_page_breaks_after_item:
+            buffer.write('<mbp:pagebreak/>')
 
     def serialize_elem(self, elem, item, nsrmap=NSRMAP):
         buffer = self.buffer
@@ -319,8 +321,9 @@ class MobiWriter(object):
     COLLAPSE_RE = re.compile(r'[ \t\r\n\v]+')
 
     def __init__(self, opts, compression=PALMDOC, imagemax=None,
-            prefer_author_sort=False):
+            prefer_author_sort=False, write_page_breaks_after_item=True):
         self.opts = opts
+        self.write_page_breaks_after_item = write_page_breaks_after_item
         self._compression = compression or UNCOMPRESSED
         self._imagemax = imagemax or OTHER_MAX_IMAGE_SIZE
         self._prefer_author_sort = prefer_author_sort
@@ -583,7 +586,8 @@ class MobiWriter(object):
 
     def _generate_text(self):
         self._oeb.logger.info('Serializing markup content...')
-        serializer = Serializer(self._oeb, self._images)
+        serializer = Serializer(self._oeb, self._images,
+                write_page_breaks_after_item=self.write_page_breaks_after_item)
         breaks = serializer.breaks
         text = serializer.text
         self._id_offsets = serializer.id_offsets