[mobi] pep8

[librarian.git] / librarian / epub.py

diff --git a/librarian/epub.py b/librarian/epub.py
index 294843b..e52e524 100644 (file)
--- a/librarian/epub.py
+++ b/librarian/epub.py
@@ -16,15 +16,51 @@ import zipfile
 from tempfile import mkdtemp, NamedTemporaryFile
 from shutil import rmtree
 
 from tempfile import mkdtemp, NamedTemporaryFile
 from shutil import rmtree
 

-from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, OutputFile
+from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, DCNS, OutputFile

 from librarian.cover import DefaultEbookCover
 
 from librarian import functions, get_resource
 
 from librarian.cover import DefaultEbookCover
 
 from librarian import functions, get_resource
 

+from librarian.hyphenator import Hyphenator
+

 functions.reg_person_name()
 functions.reg_lang_code_3to2()
 
 functions.reg_person_name()
 functions.reg_lang_code_3to2()
 

-
+def set_hyph_language(source_tree):
+    def get_short_lng_code(text):
+        result = ''
+        text = ''.join(text)
+        with open(get_resource('res/ISO-639-2_8859-1.txt'), 'rb') as f:
+            for line in f:
+                list = line.strip().split('|')
+                if list[0] == text:
+                    result=list[2]
+        if result == '':
+            return text
+        else:
+            return result
+    bibl_lng = etree.XPath('//dc:language//text()', namespaces = {'dc':str(DCNS)})(source_tree)
+    short_lng = get_short_lng_code(bibl_lng[0])   
+    try:
+        return Hyphenator(get_resource('res/hyph-dictionaries/hyph_' + short_lng + '.dic'))
+    except:
+        pass
+    
+def hyphenate_and_fix_conjunctions(source_tree, hyph):
+    if hyph is not None:
+        texts = etree.XPath('/utwor/*[2]//text()')(source_tree)
+        for t in texts:
+            parent = t.getparent()
+            newt = ''
+            wlist = re.compile(r'\w+|[^\w]', re.UNICODE).findall(t)
+            for w in wlist:
+                newt += hyph.inserted(w, u'\u00AD')       
+            newt = re.sub(r'(?<=\s\w)\s+', u'\u00A0', newt)
+            if t.is_text:
+                parent.text = newt
+            elif t.is_tail:
+                parent.tail = newt
+        

 def inner_xml(node):
     """ returns node's text and children as a string
 
 def inner_xml(node):
     """ returns node's text and children as a string
 


@@ -78,7 +114,6 @@ def replace_characters(node):
     def replace_chars(text):
         if text is None:
             return None
     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")\
         return text.replace(u"\ufeff", u"")\
                    .replace("---", u"\u2014")\
                    .replace("--", u"\u2013")\


@@ -249,7 +284,10 @@ class TOC(object):
 
             nav_label = nav_map.makeelement(NCXNS('navLabel'))
             text = nav_map.makeelement(NCXNS('text'))
 
             nav_label = nav_map.makeelement(NCXNS('navLabel'))
             text = nav_map.makeelement(NCXNS('text'))

-            text.text = child.name
+            if child.name is not None:
+                text.text = re.sub(r'\n', ' ', child.name)
+            else:
+                text.text = child.name

             nav_label.append(text)
             nav_point.append(nav_label)
 
             nav_label.append(text)
             nav_point.append(nav_label)
 


@@ -352,7 +390,11 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s
         replace_by_verse(chunk_xml)
         html_tree = xslt(chunk_xml, get_resource('epub/xsltScheme.xsl'))
         chars = used_chars(html_tree.getroot())
         replace_by_verse(chunk_xml)
         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)
+        output_html = etree.tostring(html_tree, pretty_print = True,
+                    xml_declaration = True,
+                    encoding = "utf-8",
+                    doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
+                            '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">')

     return output_html, toc, chars
 
 
     return output_html, toc, chars
 
 


@@ -363,14 +405,18 @@ 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
 
     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, with-full-fonts
+    flags: less-advertising, without-fonts, working-copy

     """
 
     def transform_file(wldoc, chunk_counter=1, first=True, sample=None):
         """ processes one input file and proceeds to its children """
 
         replace_characters(wldoc.edoc.getroot())
     """
 
     def transform_file(wldoc, chunk_counter=1, first=True, sample=None):
         """ processes one input file and proceeds to its children """
 
         replace_characters(wldoc.edoc.getroot())

-
+        
+        hyphenator = set_hyph_language(wldoc.edoc.getroot())
+        hyphenate_and_fix_conjunctions(wldoc.edoc.getroot(), hyphenator)
+        
+        

         # every input file will have a TOC entry,
         # pointing to starting chunk
         toc = TOC(wldoc.book_info.title, "part%d.html" % chunk_counter)
         # every input file will have a TOC entry,
         # pointing to starting chunk
         toc = TOC(wldoc.book_info.title, "part%d.html" % chunk_counter)


@@ -380,7 +426,11 @@ def transform(wldoc, verbose=False,
             html_tree = xslt(wldoc.edoc, get_resource('epub/xsltTitle.xsl'))
             chars = used_chars(html_tree.getroot())
             zip.writestr('OPS/title.html',
             html_tree = xslt(wldoc.edoc, 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))
+                 etree.tostring(html_tree, pretty_print = True,
+                       xml_declaration = True,
+                    encoding = "utf-8",
+                    doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
+                            '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'))

             # add a title page TOC entry
             toc.add(u"Strona tytułowa", "title.html")
         elif wldoc.book_info.parts:
             # add a title page TOC entry
             toc.add(u"Strona tytułowa", "title.html")
         elif wldoc.book_info.parts:


@@ -391,7 +441,12 @@ def transform(wldoc, verbose=False,
             else:
                 html_tree = xslt(wldoc.edoc, get_resource('epub/xsltChunkTitle.xsl'))
                 chars = used_chars(html_tree.getroot())
             else:
                 html_tree = xslt(wldoc.edoc, get_resource('epub/xsltChunkTitle.xsl'))
                 chars = used_chars(html_tree.getroot())

-                html_string = etree.tostring(html_tree, method="html", pretty_print=True)
+                html_string = etree.tostring(html_tree, 
+                       pretty_print = True,
+                    xml_declaration = True,
+                    encoding = "utf-8",
+                    doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
+                            '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">')

             zip.writestr('OPS/part%d.html' % chunk_counter, html_string)
             add_to_manifest(manifest, chunk_counter)
             add_to_spine(spine, chunk_counter)
             zip.writestr('OPS/part%d.html' % chunk_counter, html_string)
             add_to_manifest(manifest, chunk_counter)
             add_to_spine(spine, chunk_counter)


@@ -487,7 +542,9 @@ def transform(wldoc, verbose=False,
         cover_tree = etree.parse(get_resource('epub/cover.html'))
         cover_tree.find('//' + XHTMLNS('img')).set('src', cover_name)
         zip.writestr('OPS/cover.html', etree.tostring(
         cover_tree = etree.parse(get_resource('epub/cover.html'))
         cover_tree.find('//' + XHTMLNS('img')).set('src', cover_name)
         zip.writestr('OPS/cover.html', etree.tostring(

-                        cover_tree, method="html", pretty_print=True))
+                        cover_tree, pretty_print = True, xml_declaration = True, encoding = "utf-8",
+                       doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
+                            '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'))

 
         if bound_cover.uses_dc_cover:
             if document.book_info.cover_by:
 
         if bound_cover.uses_dc_cover:
             if document.book_info.cover_by:


@@ -499,7 +556,7 @@ def transform(wldoc, verbose=False,
             '<item id="cover" href="cover.html" media-type="application/xhtml+xml" />'))
         manifest.append(etree.fromstring(
             '<item id="cover-image" href="%s" media-type="%s" />' % (cover_name, bound_cover.mime_type())))
             '<item id="cover" href="cover.html" media-type="application/xhtml+xml" />'))
         manifest.append(etree.fromstring(
             '<item id="cover-image" href="%s" media-type="%s" />' % (cover_name, bound_cover.mime_type())))

-        spine.insert(0, etree.fromstring('<itemref idref="cover" linear="no" />'))
+        spine.insert(0, etree.fromstring('<itemref idref="cover"/>'))

         opf.getroot()[0].append(etree.fromstring('<meta name="cover" content="cover-image"/>'))
         guide.append(etree.fromstring('<reference href="cover.html" type="cover" title="Okładka"/>'))
 
         opf.getroot()[0].append(etree.fromstring('<meta name="cover" content="cover-image"/>'))
         guide.append(etree.fromstring('<reference href="cover.html" type="cover" title="Okładka"/>'))
 


@@ -536,7 +593,11 @@ def transform(wldoc, verbose=False,
         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 = 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))
+                            html_tree, pretty_print = True,
+                               xml_declaration = True,
+                               encoding = "utf-8",
+                               doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
+                            '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'))

 
     toc.add("Wesprzyj Wolne Lektury", "support.html")
     manifest.append(etree.fromstring(
 
     toc.add("Wesprzyj Wolne Lektury", "support.html")
     manifest.append(etree.fromstring(


@@ -555,7 +616,11 @@ def transform(wldoc, verbose=False,
     html_tree = xslt(document.edoc, get_resource('epub/xsltLast.xsl'))
     chars.update(used_chars(html_tree.getroot()))
     zip.writestr('OPS/last.html', etree.tostring(
     html_tree = xslt(document.edoc, 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))
+                        html_tree, pretty_print = True,
+                       xml_declaration = True,
+                       encoding = "utf-8",
+                       doctype='<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" ' +
+                            '"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">'))

 
     if not flags or not 'without-fonts' in flags:
         # strip fonts
 
     if not flags or not 'without-fonts' in flags:
         # strip fonts


@@ -567,23 +632,22 @@ 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':
 
         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':

-            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))
+            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:
             else:

-                zip.write(get_resource('fonts/' + fname), os.path.join('OPS', fname))
+                subprocess.check_call(optimizer_call, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+            zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname))

             manifest.append(etree.fromstring(
                 '<item id="%s" href="%s" media-type="application/x-font-truetype" />' % (fname, fname)))
         rmtree(tmpdir)
         if cwd is not None:
             os.chdir(cwd)
             manifest.append(etree.fromstring(
                 '<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, xml_declaration = True, encoding='UTF-8'))
+    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:
     title = document.book_info.title
     attributes = "dtb:uid", "dtb:depth", "dtb:totalPageCount", "dtb:maxPageNumber"
     for st in attributes:


@@ -600,7 +664,9 @@ 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)
         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, xml_declaration = True, encoding='UTF-8'))
+    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)
     zip.close()
 
     return OutputFile.from_filename(output_file.name)