Build process adjustments

Support building MOBI files
Add Index to EPUB/MOBI TOC

Makefile

@@ -20,10 +20,13 @@ help:
 	@PYTHONPATH=. TEX_MAX_REPEAT=3 $(SPHINXBUILD) -M $@ "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
 
 livehtml:
-	@PYTHONPATH=. sphinx-autobuild "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
+	@PYTHONPATH=. sphinx-autobuild "$(SOURCEDIR)" "$(BUILDDIR)/html" $(SPHINXOPTS) -d _build/doctrees $(O)
+
+mobi:
+	./po_ebook_convert.py _build/epub/PointsofOrder.epub _build/epub/PointsofOrder.mobi --mobi-file-type=both --remove-first-image --cover=_static/cover.jpg --chapter=/ --change-justification=left --mobi-ignore-margins --no-inline-toc
 
 upload:
-	cp -r _build/html '/home/runassudo/Documents/Work/School Cloud Data/unenc/public/www/pointsoforder'
+	cp -r _build/html/* '/home/runassudo/Documents/Work/School Cloud Data/unenc/public/www/pointsoforder'
 	sha256sum _build/latex/PointsOfOrder_Print.pdf | awk '{print substr($$1,0,6);}' > _build/latex/PointsOfOrder_Print.pdf.sha256
 	rm '/home/runassudo/Documents/Work/School Cloud Data/unenc_transient/Lulu/PointsOfOrder_Print'*.pdf
 	cp _build/latex/PointsOfOrder_Print.pdf '/home/runassudo/Documents/Work/School Cloud Data/unenc_transient/Lulu/PointsOfOrder_Print_'$$(sha256sum _build/latex/PointsOfOrder_Print.pdf | awk '{print substr($$1,0,6);}')'.pdf'

_static/custom.css

@@ -1,15 +1,11 @@
 /* Footnote styling in text */
 
-a.footnote-reference {
+a.footnote-reference.superscript {
 	font-size: 0.6em;
 	vertical-align: super;
 	line-height: 0;
 }
 
-a.footnote-reference.brackets::before, a.footnote-reference.brackets::after {
-	content: '';
-}
-
 sup {
 	line-height: 0;
 }

_static/custom_epub.css

@@ -1,22 +1,15 @@
-/* Paragraph numbers */
-
-span.paragraph-num a {
-	text-decoration: none;
-}
-
-span.paragraph-num a::before {
-	content: '[';
-}
-span.paragraph-num a::after {
-	content: '] ';
-}
-
 /* Remove underlining from links */
 
 a.footnote-reference {
 	text-decoration: none;
 }
 
+/* Footnote list styling */
+
+dl.footnote.superscript > dt.label { /* Override epub.css */
+	font-size: initial;
+}
+
 /* Table formatting */
 
 table.docutils td, table.docutils th {

docutils.conf

@@ -0,0 +1,2 @@
+[html writers]
+footnote_references: superscript

extension.py

@@ -38,7 +38,12 @@ class POHTML5Translator(HTML5Translator):
 		if node.parent.tagname == 'section':
 			# Add paragraph numbers
 			self.paragraph_num += 1
+			
+			if self.builder.name == 'html':
 				self.body.append('<span class="paragraph-num"><a id="para{0}" href="#para{0}">{0}</a></span>'.format(self.paragraph_num))
+			else: # epub (or mobi)
+				# Hardcode the brackets, as MOBI6 does not support CSS
+				self.body.append('<span class="paragraph-num">[{0}] </span>'.format(self.paragraph_num))
 	
 	def visit_footnote_reference(self, node):
 		super().visit_footnote_reference(node)
@@ -66,10 +71,10 @@ __TocTree_resolve = TocTree.resolve
 def _TocTree_resolve(self, *args, **kwargs):
 	result = __TocTree_resolve(self, *args, **kwargs)
 	
-	if self.env.app.builder.name == 'html':
+	if self.env.app.builder.name == 'html' or self.env.app.builder.name == 'epub':
 		# Add Index TOC entry
 		bullet_list = result[1]
-		reference = docutils.nodes.reference('', '', internal=True, refuri='genindex.html', anchorname='', *[docutils.nodes.Text('Index')])
+		reference = docutils.nodes.reference('', '', internal=True, refuri='genindex.xhtml' if self.env.app.builder.name == 'epub' else 'genindex.html', anchorname='', *[docutils.nodes.Text('Index')])
 		compact_paragraph = sphinx.addnodes.compact_paragraph('', '', reference)
 		list_item = docutils.nodes.list_item('', classes=['toctree-l1'], *[compact_paragraph])
 		bullet_list.append(list_item)
@@ -115,6 +120,16 @@ from sphinx.builders.epub3 import Epub3Builder
 class POEpub3Builder(Epub3Builder):
 	default_translator_class = POHTML5Translator
 	
+	def toc_add_files(self, refnodes):
+		super().toc_add_files(refnodes)
+		
+		# Add Index TOC entry
+		refnodes.append({
+			'level': 1,
+			'refuri': 'genindex.xhtml',
+			'text': 'Index'
+		})
+
 # :subref: Role
 
 from sphinx.roles import XRefRole

po_ebook_convert.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+
+# From /usr/bin/ebook-convert
+
+import sys, os
+
+path = os.environ.get('CALIBRE_PYTHON_PATH', '/usr/lib/calibre')
+if path not in sys.path:
+	sys.path.insert(0, path)
+
+sys.resources_location = os.environ.get('CALIBRE_RESOURCES_PATH', '/usr/share/calibre')
+sys.extensions_location = os.environ.get('CALIBRE_EXTENSIONS_PATH', '/usr/lib/calibre/calibre/plugins')
+sys.executables_location = os.environ.get('CALIBRE_EXECUTABLES_PATH', '/usr/bin')
+
+# MONKEY PATCHING
+
+from calibre.ebooks.mobi.mobiml import MobiMLizer
+from calibre.ebooks.oeb.base import barename, XHTML
+
+dt_content = None
+
+__MobiMLizer_mobimlize_elem = MobiMLizer.mobimlize_elem
+def _MobiMLizer_mobimlize_elem(self, elem, stylizer, bstate, istates, ignore_valign=False):
+	global dt_content
+	tag = barename(elem.tag)
+	
+	# Fix rendering of footnote lists
+	if tag == 'dt':
+		# Save <dt> content and ignore for now
+		span = elem[0]
+		dt_content = (elem.get('id'), span.text, list(span))
+		return
+	if tag == 'dd':
+		# Prepend <dt> content here
+		p = elem[0]
+		if dt_content[1]: # Has text
+			p.text = dt_content[1] + '. ' + (p.text or '')
+		else: # Has children
+			for i, child in enumerate(dt_content[2]):
+				p.insert(i, child)
+			child.tail = (child.tail or '') + '. '
+			if p.text: # Move text to end
+				child.tail += p.text
+				p.text = ''
+		p.set('id', dt_content[0])
+		dt_content = None
+	
+	return __MobiMLizer_mobimlize_elem(self, elem, stylizer, bstate, istates, ignore_valign)
+MobiMLizer.mobimlize_elem = _MobiMLizer_mobimlize_elem
+
+__MobiMLizer_mobimlize_content = MobiMLizer.mobimlize_content
+def _MobiMLizer_mobimlize_content(self, tag, text, bstate, istates):
+	if tag == 'ul':
+		# Override bstate.vmargin temporarily to prevent Calibre inserting an empty div (ugly spacing!)
+		tmp, bstate.vmargin = bstate.vmargin, 0
+		result = __MobiMLizer_mobimlize_content(self, tag, text, bstate, istates)
+		bstate.vmargin = tmp
+		return result
+	return __MobiMLizer_mobimlize_content(self, tag, text, bstate, istates)
+MobiMLizer.mobimlize_content = _MobiMLizer_mobimlize_content
+
+# From /usr/bin/ebook-convert
+
+from calibre.ebooks.conversion.cli import main
+sys.exit(main())