fix
[librarian.git] / librarian / epub.py
index 2fec331..348df0c 100644 (file)
@@ -1,13 +1,15 @@
 # -*- coding: utf-8 -*-
 #
 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
 # -*- coding: utf-8 -*-
 #
 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.  
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 from __future__ import with_statement
 
 #
 from __future__ import with_statement
 
+from copy import deepcopy
 import os
 import os.path
 import subprocess
 import os
 import os.path
 import subprocess
+from StringIO import StringIO
 from copy import deepcopy
 from lxml import etree
 import zipfile
 from copy import deepcopy
 from lxml import etree
 import zipfile
@@ -16,10 +18,11 @@ from shutil import rmtree
 
 import sys
 
 
 import sys
 
-from librarian import XMLNamespace, RDFNS, DCNS, WLNS, NCXNS, OPFNS, NoDublinCore
+from librarian import XMLNamespace, RDFNS, DCNS, WLNS, NCXNS, OPFNS, XHTMLNS, NoDublinCore
 from librarian.dcparser import BookInfo
 from librarian.dcparser import BookInfo
+from librarian.cover import ImageCover
 
 
-from librarian import functions
+from librarian import functions, get_resource
 
 functions.reg_person_name()
 
 
 functions.reg_person_name()
 
@@ -32,7 +35,7 @@ def inner_xml(node):
     """
 
     nt = node.text if node.text is not None else ''
     """
 
     nt = node.text if node.text is not None else ''
-    return ''.join([nt] + [etree.tostring(child) for child in node]) 
+    return ''.join([nt] + [etree.tostring(child) for child in node])
 
 def set_inner_xml(node, text):
     """ sets node's text and children from a string
 
 def set_inner_xml(node, text):
     """ sets node's text and children from a string
@@ -73,11 +76,6 @@ def xslt(xml, sheet):
         return xml.xslt(etree.parse(xsltf))
 
 
         return xml.xslt(etree.parse(xsltf))
 
 
-_resdir = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'epub')
-def res(fname):
-    return os.path.join(_resdir, fname)
-
-
 def replace_characters(node):
     def replace_chars(text):
         if text is None:
 def replace_characters(node):
     def replace_chars(text):
         if text is None:
@@ -88,13 +86,14 @@ def replace_characters(node):
                    .replace(",,", u"\u201E")\
                    .replace('"', u"\u201D")\
                    .replace("'", u"\u2019")
                    .replace(",,", u"\u201E")\
                    .replace('"', u"\u201D")\
                    .replace("'", u"\u2019")
-    if node.tag == 'extra':
+    if node.tag in ('uwaga', 'extra'):
+        t = node.tail
         node.clear()
         node.clear()
-    else:
-        node.text = replace_chars(node.text)
-        node.tail = replace_chars(node.tail)
-        for child in node:
-            replace_characters(child)
+        node.tail = t
+    node.text = replace_chars(node.text)
+    node.tail = replace_chars(node.tail)
+    for child in node:
+        replace_characters(child)
 
 
 def find_annotations(annotations, source, part_no):
 
 
 def find_annotations(annotations, source, part_no):
@@ -110,7 +109,7 @@ def find_annotations(annotations, source, part_no):
             child.clear()
             child.tail = tail
             child.text = number
             child.clear()
             child.tail = tail
             child.text = number
-        if child.tag not in ('extra', 'podtytul'):
+        if child.tag not in ('extra', 'uwaga'):
             find_annotations(annotations, child, part_no)
 
 
             find_annotations(annotations, child, part_no)
 
 
@@ -257,19 +256,20 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s
             element.set('sub', str(subnumber))
     if empty:
         if not _empty_html_static:
             element.set('sub', str(subnumber))
     if empty:
         if not _empty_html_static:
-            _empty_html_static.append(open(res('emptyChunk.html')).read())
+            _empty_html_static.append(open(get_resource('epub/emptyChunk.html')).read())
         chars = set()
         output_html = _empty_html_static[0]
     else:
         find_annotations(annotations, chunk_xml, chunk_no)
         replace_by_verse(chunk_xml)
         chars = set()
         output_html = _empty_html_static[0]
     else:
         find_annotations(annotations, chunk_xml, chunk_no)
         replace_by_verse(chunk_xml)
-        html_tree = xslt(chunk_xml, res('xsltScheme.xsl'))
+        html_tree = xslt(chunk_xml, get_resource('epub/xsltScheme.xsl'))
         chars = used_chars(html_tree.getroot())
         output_html = etree.tostring(html_tree, method="html", pretty_print=True)
     return output_html, toc, chars
 
 
         chars = used_chars(html_tree.getroot())
         output_html = etree.tostring(html_tree, method="html", pretty_print=True)
     return output_html, toc, chars
 
 
-def transform(provider, slug=None, file_path=None, output_file=None, output_dir=None, make_dir=False, verbose=False, sample=None):
+def transform(provider, slug=None, file_path=None, output_file=None, output_dir=None, make_dir=False, verbose=False,
+              sample=None, cover=None, flags=None):
     """ produces a EPUB file
 
     provider: a DocProvider
     """ produces a EPUB file
 
     provider: a DocProvider
@@ -278,6 +278,8 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
     output_dir: path to directory to save output file to; either this or output_file must be present
     make_dir: writes output to <output_dir>/<author>/<slug>.epub instead of <output_dir>/<slug>.epub
     sample=n: generate sample e-book (with at least n paragraphs)
     output_dir: path to directory to save output file to; either this or output_file must be present
     make_dir: writes output to <output_dir>/<author>/<slug>.epub instead of <output_dir>/<slug>.epub
     sample=n: generate sample e-book (with at least n paragraphs)
+    cover: a cover.Cover object
+    flags: less-advertising, images, not-wl
     """
 
     def transform_file(input_xml, chunk_counter=1, first=True, sample=None):
     """
 
     def transform_file(input_xml, chunk_counter=1, first=True, sample=None):
@@ -293,7 +295,7 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
         chars = set()
         if first:
             # write book title page
         chars = set()
         if first:
             # write book title page
-            html_tree = xslt(input_xml, res('xsltTitle.xsl'))
+            html_tree = xslt(input_xml, get_resource('epub/xsltTitle.xsl'))
             chars = used_chars(html_tree.getroot())
             zip.writestr('OPS/title.html',
                  etree.tostring(html_tree, method="html", pretty_print=True))
             chars = used_chars(html_tree.getroot())
             zip.writestr('OPS/title.html',
                  etree.tostring(html_tree, method="html", pretty_print=True))
@@ -301,9 +303,9 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
             # write title page for every parent
             if sample is not None and sample <= 0:
                 chars = set()
             # write title page for every parent
             if sample is not None and sample <= 0:
                 chars = set()
-                html_string = open(res('emptyChunk.html')).read()
+                html_string = open(get_resource('epub/emptyChunk.html')).read()
             else:
             else:
-                html_tree = xslt(input_xml, res('xsltChunkTitle.xsl'))
+                html_tree = xslt(input_xml, get_resource('epub/xsltChunkTitle.xsl'))
                 chars = used_chars(html_tree.getroot())
                 html_string = etree.tostring(html_tree, method="html", pretty_print=True)
             zip.writestr('OPS/part%d.html' % chunk_counter, html_string)
                 chars = used_chars(html_tree.getroot())
                 html_string = etree.tostring(html_tree, method="html", pretty_print=True)
             zip.writestr('OPS/part%d.html' % chunk_counter, html_string)
@@ -358,6 +360,10 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
             raise ValueError('either slug or file_path should be specified')
         input_xml = etree.parse(provider[slug])
 
             raise ValueError('either slug or file_path should be specified')
         input_xml = etree.parse(provider[slug])
 
+    if flags:
+        for flag in flags:
+            input_xml.getroot().set(flag, 'yes')
+
     metadata = input_xml.find('.//'+RDFNS('Description'))
     if metadata is None:
         raise NoDublinCore('Document has no DublinCore - which is required.')
     metadata = input_xml.find('.//'+RDFNS('Description'))
     if metadata is None:
         raise NoDublinCore('Document has no DublinCore - which is required.')
@@ -378,6 +384,10 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
         else:
             output_file = open(os.path.join(output_dir, os.path.splitext(os.path.basename(file_path))[0] + '.epub'), 'w')
 
         else:
             output_file = open(os.path.join(output_dir, os.path.splitext(os.path.basename(file_path))[0] + '.epub'), 'w')
 
+    opf = xslt(metadata, get_resource('epub/xsltContent.xsl'))
+    manifest = opf.find('.//' + OPFNS('manifest'))
+    spine = opf.find('.//' + OPFNS('spine'))
+
     zip = zipfile.ZipFile(output_file, 'w', zipfile.ZIP_DEFLATED)
 
     # write static elements
     zip = zipfile.ZipFile(output_file, 'w', zipfile.ZIP_DEFLATED)
 
     # write static elements
@@ -391,12 +401,53 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
                        '<rootfiles><rootfile full-path="OPS/content.opf" ' \
                        'media-type="application/oebps-package+xml" />' \
                        '</rootfiles></container>')
                        '<rootfiles><rootfile full-path="OPS/content.opf" ' \
                        'media-type="application/oebps-package+xml" />' \
                        '</rootfiles></container>')
-    for fname in 'style.css', 'logo_wolnelektury.png':
-        zip.write(res(fname), os.path.join('OPS', fname))
+    zip.write(get_resource('epub/style.css'), os.path.join('OPS', 'style.css'))
+    if not flags or 'not-wl' not in flags:
+        manifest.append(etree.fromstring(
+            '<item id="logo_wolnelektury" href="logo_wolnelektury.png" media-type="image/png" />'))
+        zip.write(get_resource('res/wl-logo-small.png'), os.path.join('OPS', 'logo_wolnelektury.png'))
+
+    if cover:
+        cover_file = StringIO()
+        c = cover(book_info.author.readable(), book_info.title)
+        c.save(cover_file)
+        c_name = 'cover.%s' % c.ext()
+        zip.writestr(os.path.join('OPS', c_name), cover_file.getvalue())
+        del cover_file
+
+        cover_tree = etree.parse(get_resource('epub/cover.html'))
+        cover_tree.find('//' + XHTMLNS('img')).set('src', c_name)
+        zip.writestr('OPS/cover.html', etree.tostring(
+                        cover_tree, method="html", pretty_print=True))
 
 
-    opf = xslt(metadata, res('xsltContent.xsl'))
-    manifest = opf.find('.//' + OPFNS('manifest'))
-    spine = opf.find('.//' + OPFNS('spine'))
+        manifest.append(etree.fromstring(
+            '<item id="cover" href="cover.html" media-type="application/xhtml+xml" />'))
+        manifest.append(etree.fromstring(
+            '<item id="cover-image" href="%s" media-type="%s" />' % (c_name, c.mime_type())))
+        spine.insert(0, etree.fromstring('<itemref idref="cover" />'))
+        opf.getroot()[0].append(etree.fromstring('<meta name="cover" content="cover-image"/>'))
+        opf.getroot().append(etree.fromstring('<guide><reference href="cover.html" type="cover" title="Okładka"/></guide>'))
+
+    if flags and 'images' in flags:
+        for ilustr in input_xml.findall('//ilustr'):
+            src = ilustr.get('src')
+            mime = ImageCover(src)().mime_type()
+            zip.write(src, os.path.join('OPS', src))
+            manifest.append(etree.fromstring(
+                '<item id="%s" href="%s" media-type="%s" />' % (src, src, mime)))
+            # get it up to master
+            after = ilustr
+            while after.getparent().tag not in ['powiesc', 'opowiadanie', 'liryka_l', 'liryka_lp', 'dramat_wierszowany_l', 'dramat_wierszowany_lp', 'dramat_wspolczesny']:
+                after = after.getparent()
+            if not(after is ilustr):
+                moved = deepcopy(ilustr)
+                ilustr.tag = 'extra'
+                ilustr.text = None
+                moved.tail = None
+                after.addnext(moved)
+    else:
+        for ilustr in input_xml.findall('//ilustr'):
+            ilustr.tag = 'extra'
 
     annotations = etree.Element('annotations')
 
 
     annotations = etree.Element('annotations')
 
@@ -420,23 +471,43 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
         nav_map.append(etree.fromstring(
             '<navPoint id="NavPoint-%(i)d" playOrder="%(i)d" ><navLabel><text>Przypisy</text>'\
             '</navLabel><content src="annotations.html" /></navPoint>' % {'i': toc_counter}))
         nav_map.append(etree.fromstring(
             '<navPoint id="NavPoint-%(i)d" playOrder="%(i)d" ><navLabel><text>Przypisy</text>'\
             '</navLabel><content src="annotations.html" /></navPoint>' % {'i': toc_counter}))
+        toc_counter += 1
         manifest.append(etree.fromstring(
             '<item id="annotations" href="annotations.html" media-type="application/xhtml+xml" />'))
         spine.append(etree.fromstring(
             '<itemref idref="annotations" />'))
         replace_by_verse(annotations)
         manifest.append(etree.fromstring(
             '<item id="annotations" href="annotations.html" media-type="application/xhtml+xml" />'))
         spine.append(etree.fromstring(
             '<itemref idref="annotations" />'))
         replace_by_verse(annotations)
-        html_tree = xslt(annotations, res("xsltAnnotations.xsl"))
+        html_tree = xslt(annotations, get_resource('epub/xsltAnnotations.xsl'))
         chars = chars.union(used_chars(html_tree.getroot()))
         zip.writestr('OPS/annotations.html', etree.tostring(
                             html_tree, method="html", pretty_print=True))
 
         chars = chars.union(used_chars(html_tree.getroot()))
         zip.writestr('OPS/annotations.html', etree.tostring(
                             html_tree, method="html", pretty_print=True))
 
+    nav_map.append(etree.fromstring(
+        '<navPoint id="NavPoint-%(i)d" playOrder="%(i)d" ><navLabel><text>Strona redakcyjna</text>'\
+        '</navLabel><content src="last.html" /></navPoint>' % {'i': toc_counter}))
+    manifest.append(etree.fromstring(
+        '<item id="last" href="last.html" media-type="application/xhtml+xml" />'))
+    spine.append(etree.fromstring(
+        '<itemref idref="last" />'))
+    stopka = input_xml.find('//stopka')
+    if stopka is not None:
+        stopka.tag = 'stopka_'
+        replace_by_verse(stopka)
+        html_tree = xslt(stopka, get_resource('epub/xsltScheme.xsl'))
+    else:
+        html_tree = xslt(input_xml, get_resource('epub/xsltLast.xsl'))
+    chars.update(used_chars(html_tree.getroot()))
+    zip.writestr('OPS/last.html', etree.tostring(
+                        html_tree, method="html", pretty_print=True))
+
     # strip fonts
     tmpdir = mkdtemp('-librarian-epub')
     cwd = os.getcwd()
 
     os.chdir(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'font-optimizer'))
     for fname in 'DejaVuSerif.ttf', 'DejaVuSerif-Bold.ttf', 'DejaVuSerif-Italic.ttf', 'DejaVuSerif-BoldItalic.ttf':
     # strip fonts
     tmpdir = mkdtemp('-librarian-epub')
     cwd = os.getcwd()
 
     os.chdir(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'font-optimizer'))
     for fname in 'DejaVuSerif.ttf', 'DejaVuSerif-Bold.ttf', 'DejaVuSerif-Italic.ttf', 'DejaVuSerif-BoldItalic.ttf':
-        optimizer_call = ['perl', 'subset.pl', '--chars', ''.join(chars).encode('utf-8'), res('../fonts/' + fname), os.path.join(tmpdir, fname)]
+        optimizer_call = ['perl', 'subset.pl', '--chars', ''.join(chars).encode('utf-8'),
+                          get_resource('fonts/' + fname), os.path.join(tmpdir, fname)]
         if verbose:
             print "Running font-optimizer"
             subprocess.check_call(optimizer_call)
         if verbose:
             print "Running font-optimizer"
             subprocess.check_call(optimizer_call)