X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/cba76114f031d47c93e1af947a350230cbef0a1f..085cc7f33b1c99a0b7bc2dd57de933aa31fb9145:/librarian/epub.py

diff --git a/librarian/epub.py b/librarian/epub.py
index bbeb3d7..81dcb6e 100644
--- a/librarian/epub.py
+++ b/librarian/epub.py
@@ -7,6 +7,7 @@ from __future__ import with_statement
 
 import os
 import os.path
+import re
 import subprocess
 from StringIO import StringIO
 from copy import deepcopy
@@ -16,11 +17,12 @@ from tempfile import mkdtemp, NamedTemporaryFile
 from shutil import rmtree
 
 from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, OutputFile
-from librarian.cover import WLCover
+from librarian.cover import DefaultEbookCover
 
 from librarian import functions, get_resource
 
 functions.reg_person_name()
+functions.reg_lang_code_3to2()
 
 
 def inner_xml(node):
@@ -76,6 +78,7 @@ def replace_characters(node):
     def replace_chars(text):
         if text is None:
             return None
+        #text = re.sub(r"(?<=\s\w)\s+", u"\u00a0", text) #fix for hanging single letter conjunctions – for future use.
         return text.replace(u"\ufeff", u"")\
                    .replace("---", u"\u2014")\
                    .replace("--", u"\u2013")\
@@ -109,31 +112,74 @@ def find_annotations(annotations, source, part_no):
             find_annotations(annotations, child, part_no)
 
 
+class Stanza(object):
+    """
+    Converts / verse endings into verse elements in a stanza.
+
+    Slashes may only occur directly in the stanza. Any slashes in subelements
+    will be ignored, and the subelements will be put inside verse elements.
+
+    >>> s = etree.fromstring("<strofa>a <b>c</b> <b>c</b>/\\nb<x>x/\\ny</x>c/ \\nd</strofa>")
+    >>> Stanza(s).versify()
+    >>> print etree.tostring(s)
+    <strofa><wers_normalny>a <b>c</b> <b>c</b></wers_normalny><wers_normalny>b<x>x/
+    y</x>c</wers_normalny><wers_normalny>d</wers_normalny></strofa>
+    
+    """
+    def __init__(self, stanza_elem):
+        self.stanza = stanza_elem
+        self.verses = []
+        self.open_verse = None
+
+    def versify(self):
+        self.push_text(self.stanza.text)
+        for elem in self.stanza:
+            self.push_elem(elem)
+            self.push_text(elem.tail)
+        tail = self.stanza.tail
+        self.stanza.clear()
+        self.stanza.tail = tail
+        self.stanza.extend(self.verses)
+
+    def open_normal_verse(self):
+        self.open_verse = self.stanza.makeelement("wers_normalny")
+        self.verses.append(self.open_verse)
+
+    def get_open_verse(self):
+        if self.open_verse is None:
+            self.open_normal_verse()
+        return self.open_verse
+
+    def push_text(self, text):
+        if not text:
+            return
+        for i, verse_text in enumerate(re.split(r"/\s*\n", text)):
+            if i:
+                self.open_normal_verse()
+            verse = self.get_open_verse()
+            if len(verse):
+                verse[-1].tail = (verse[-1].tail or "") + verse_text
+            else:
+                verse.text = (verse.text or "") + verse_text
+
+    def push_elem(self, elem):
+        if elem.tag.startswith("wers"):
+            verse = deepcopy(elem)
+            verse.tail = None
+            self.verses.append(verse)
+            self.open_verse = verse
+        else:
+            appended = deepcopy(elem)
+            appended.tail = None
+            self.get_open_verse().append(appended)
+
+
 def replace_by_verse(tree):
     """ Find stanzas and create new verses in place of a '/' character """
 
     stanzas = tree.findall('.//' + WLNS('strofa'))
-    for node in stanzas:
-        for child_node in node:
-            if child_node.tag in ('slowo_obce', 'wyroznienie'):
-                foreign_verses = inner_xml(child_node).split('/\n')
-                if len(foreign_verses) > 1:
-                    new_foreign = ''
-                    for foreign_verse in foreign_verses:
-                        if foreign_verse.startswith('<wers'):
-                            new_foreign += foreign_verse
-                        else:
-                            new_foreign += ''.join(('<wers_normalny>', foreign_verse, '</wers_normalny>'))
-                    set_inner_xml(child_node, new_foreign)
-        verses = inner_xml(node).split('/\n')
-        if len(verses) > 1:
-            modified_inner_xml = ''
-            for verse in verses:
-                if verse.startswith('<wers') or verse.startswith('<extra'):
-                    modified_inner_xml += verse
-                else:
-                    modified_inner_xml += ''.join(('<wers_normalny>', verse, '</wers_normalny>'))
-            set_inner_xml(node, modified_inner_xml)
+    for stanza in stanzas:
+        Stanza(stanza).versify()
 
 
 def add_to_manifest(manifest, partno):
@@ -246,18 +292,41 @@ def chop(main_text):
     main_xml_part = part_xml[0] # master
 
     last_node_part = False
+    
+    # the below loop are workaround for a problem with epubs in drama ebooks without acts
+    is_scene = False
+    is_act = False
     for one_part in main_text:
         name = one_part.tag
-        if name == 'naglowek_czesc':
-            yield part_xml
-            last_node_part = True
-            main_xml_part[:] = [deepcopy(one_part)]
-        elif not last_node_part and name in ("naglowek_rozdzial", "naglowek_akt", "srodtytul"):
-            yield part_xml
-            main_xml_part[:] = [deepcopy(one_part)]
+        if name == 'naglowek_scena':
+            is_scene = True
+        elif name == 'naglowek_akt':
+            is_act = True
+    
+    for one_part in main_text:
+        name = one_part.tag
+        if is_act is False and is_scene is True:
+            if name == 'naglowek_czesc':
+                yield part_xml
+                last_node_part = True
+                main_xml_part[:] = [deepcopy(one_part)]
+            elif not last_node_part and name in ("naglowek_scena"):
+                yield part_xml
+                main_xml_part[:] = [deepcopy(one_part)]
+            else:
+                main_xml_part.append(deepcopy(one_part))
+                last_node_part = False
         else:
-            main_xml_part.append(deepcopy(one_part))
-            last_node_part = False
+            if name == 'naglowek_czesc':
+                yield part_xml
+                last_node_part = True
+                main_xml_part[:] = [deepcopy(one_part)]
+            elif not last_node_part and name in ("naglowek_rozdzial", "naglowek_akt", "srodtytul"):
+                yield part_xml
+                main_xml_part[:] = [deepcopy(one_part)]
+            else:
+                main_xml_part.append(deepcopy(one_part))
+                last_node_part = False            
     yield part_xml
 
 
@@ -266,7 +335,9 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s
 
     toc = TOC()
     for element in chunk_xml[0]:
-        if element.tag in ("naglowek_czesc", "naglowek_rozdzial", "naglowek_akt", "srodtytul"):
+        if element.tag in ("naglowek_czesc"):
+            toc.add(node_name(element), "part%d.html#book-text" % chunk_no)
+        elif element.tag in ("naglowek_rozdzial", "naglowek_akt", "srodtytul"):
             toc.add(node_name(element), "part%d.html" % chunk_no)
         elif element.tag in ('naglowek_podrozdzial', 'naglowek_scena'):
             subnumber = toc.add(node_name(element), "part%d.html" % chunk_no, level=1, is_part=False)
@@ -292,7 +363,7 @@ def transform(wldoc, verbose=False,
 
     sample=n: generate sample e-book (with at least n paragraphs)
     cover: a cover.Cover factory or True for default
-    flags: less-advertising, without-fonts, working-copy
+    flags: less-advertising, without-fonts, working-copy, with-full-fonts
     """
 
     def transform_file(wldoc, chunk_counter=1, first=True, sample=None):
@@ -371,6 +442,11 @@ def transform(wldoc, verbose=False,
     # add editors info
     document.edoc.getroot().set('editors', u', '.join(sorted(
         editor.readable() for editor in document.editors())))
+    if document.book_info.funders:
+        document.edoc.getroot().set('funders', u', '.join(
+            document.book_info.funders))
+    if document.book_info.thanks:
+        document.edoc.getroot().set('thanks', document.book_info.thanks)
 
     opf = xslt(document.book_info.to_etree(), get_resource('epub/xsltContent.xsl'))
     manifest = opf.find('.//' + OPFNS('manifest'))
@@ -399,7 +475,7 @@ def transform(wldoc, verbose=False,
 
     if cover:
         if cover is True:
-            cover = WLCover
+            cover = DefaultEbookCover
 
         cover_file = StringIO()
         bound_cover = cover(document.book_info)
@@ -462,6 +538,15 @@ def transform(wldoc, verbose=False,
         zip.writestr('OPS/annotations.html', etree.tostring(
                             html_tree, method="html", pretty_print=True))
 
+    toc.add("Wesprzyj Wolne Lektury", "support.html")
+    manifest.append(etree.fromstring(
+        '<item id="support" href="support.html" media-type="application/xhtml+xml" />'))
+    spine.append(etree.fromstring(
+        '<itemref idref="support" />'))
+    html_string = open(get_resource('epub/support.html')).read()
+    chars.update(used_chars(etree.fromstring(html_string)))
+    zip.writestr('OPS/support.html', html_string)
+
     toc.add("Strona redakcyjna", "last.html")
     manifest.append(etree.fromstring(
         '<item id="last" href="last.html" media-type="application/xhtml+xml" />'))
@@ -482,21 +567,23 @@ def transform(wldoc, verbose=False,
 
         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'),
-                              get_resource('fonts/' + fname), os.path.join(tmpdir, fname)]
-            if verbose:
-                print "Running font-optimizer"
-                subprocess.check_call(optimizer_call)
+            if not flags or not 'with-full-fonts' in flags:
+                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)
+                else:
+                    subprocess.check_call(optimizer_call, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+                    zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname))
             else:
-                subprocess.check_call(optimizer_call, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
-            zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname))
+                zip.write(get_resource('fonts/' + fname), os.path.join('OPS', fname))
             manifest.append(etree.fromstring(
-                '<item id="%s" href="%s" media-type="font/ttf" />' % (fname, fname)))
+                '<item id="%s" href="%s" media-type="application/x-font-truetype" />' % (fname, fname)))
         rmtree(tmpdir)
         if cwd is not None:
             os.chdir(cwd)
-
-    zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True))
+    zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True, xml_declaration = True, encoding='UTF-8'))
     title = document.book_info.title
     attributes = "dtb:uid", "dtb:depth", "dtb:totalPageCount", "dtb:maxPageNumber"
     for st in attributes:
@@ -504,7 +591,7 @@ def transform(wldoc, verbose=False,
         meta.set('name', st)
         meta.set('content', '0')
         toc_file[0].append(meta)
-    toc_file[0][0].set('content', ''.join((title, 'WolneLektury.pl')))
+    toc_file[0][0].set('content', str(document.book_info.url))
     toc_file[0][1].set('content', str(toc.depth()))
     set_inner_xml(toc_file[1], ''.join(('<text>', title, '</text>')))
 
@@ -513,7 +600,7 @@ def transform(wldoc, verbose=False,
         toc.add(u"Spis treści", "toc.html", index=1)
         zip.writestr('OPS/toc.html', toc.html().encode('utf-8'))
     toc.write_to_xml(nav_map)
-    zip.writestr('OPS/toc.ncx', etree.tostring(toc_file, pretty_print=True))
+    zip.writestr('OPS/toc.ncx', etree.tostring(toc_file, pretty_print=True, xml_declaration = True, encoding='UTF-8'))
     zip.close()
 
     return OutputFile.from_filename(output_file.name)