Booktoteka packager and some cover refactoring
authorRadek Czajka <radoslaw.czajka@nowoczesnapolska.org.pl>
Wed, 2 Feb 2011 12:11:51 +0000 (13:11 +0100)
committerRadek Czajka <radoslaw.czajka@nowoczesnapolska.org.pl>
Wed, 2 Feb 2011 12:11:51 +0000 (13:11 +0100)
librarian/cover.py
librarian/epub.py
librarian/epub/cover.html
librarian/res/cover-bookoteka.png [new file with mode: 0644]
scripts/book2partner

index 8aa9abe..e34ce62 100644 (file)
@@ -7,12 +7,46 @@ import Image, ImageFont, ImageDraw, ImageFilter
 from librarian import get_resource
 
 
-def cover(author, title,
-          width, height, background_color, background_img,
-          author_top, author_margin_left, author_margin_right, author_lineskip, author_color, author_font, author_shadow,
-          title_top, title_margin_left, title_margin_right, title_lineskip, title_color, title_font, title_shadow,
-          logo_width, logo_bottom
-          ):
+class Cover(object):
+    width = 600
+    height = 800
+    background_color = '#fff'
+    background_img = None
+
+    author_top = 100
+    author_margin_left = 20
+    author_margin_right = 20
+    author_lineskip = 40
+    author_color = '#000'
+    author_shadow = None
+    author_font = None
+
+    title_top = 100
+    title_margin_left = 20
+    title_margin_right = 20
+    title_lineskip = 54
+    title_color = '#000'
+    title_shadow = None
+    title_font = None
+
+    logo_bottom = None
+    logo_width = None
+
+    format = 'JPEG'
+
+
+    exts = {
+        'JPEG': 'jpg',
+        'PNG': 'png',
+        }
+
+    mime_types = {
+        'JPEG': 'image/jpeg',
+        'PNG': 'image/png',
+        }
+
+
+    @staticmethod
     def draw_centered_text(text, img, font, margin_left, width, pos_y, lineskip, color, shadow_color):
         if shadow_color:
             shadow_img = Image.new('RGBA', img.size)
@@ -39,42 +73,103 @@ def cover(author, title,
         return pos_y
 
 
-    img = Image.new('RGB', (width, height), background_color)
+    def __init__(self, author='', title=''):
+        self.author = author
+        self.title = title
+
+    def pretty_author(self):
+        return self.author
+
+    def pretty_title(self):
+        return self.title
+
+    def image(self):
+        img = Image.new('RGB', (self.width, self.height), self.background_color)
+
+        if self.background_img:
+            background = Image.open(self.background_img)
+            img.paste(background, None, background)
+            del background
+
+        # WL logo
+        if self.logo_width:
+            logo = Image.open(get_resource('res/wl-logo.png'))
+            logo = logo.resize((self.logo_width, logo.size[1] * self.logo_width / logo.size[0]))
+            img.paste(logo, ((self.width - self.logo_width) / 2, img.size[1] - logo.size[1] - self.logo_bottom))
+
+        author_font = self.author_font or ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 30)
+        title_y = self.draw_centered_text(self.pretty_author(), img, author_font,
+                    self.author_margin_left, self.width - self.author_margin_left - self.author_margin_right, self.author_top,
+                    self.author_lineskip, self.author_color, self.author_shadow) + self.title_top
+        title_font = self.title_font or ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 40)
+        self.draw_centered_text(self.pretty_title(), img, title_font,
+                    self.title_margin_left, self.width - self.title_margin_left - self.title_margin_right, title_y,
+                    self.title_lineskip, self.title_color, self.title_shadow)
+
+        return img
+
+    def mime_type(self):
+        return self.mime_types[self.format]
+
+    def ext(self):
+        return self.exts[self.format]
+
+    def save(self, *args, **kwargs):
+        return self.image().save(*args, format=self.format, **kwargs)
+
+
+
+class VirtualoCover(Cover):
+    width = 600
+    height = 730
+    author_top = 73
+    title_top = 73
+    logo_bottom = 0
+    logo_width = 300
+
+
+class PrestigioCover(Cover):
+    width = 580
+    height = 783
+    background_img = get_resource('res/cover-prestigio.png')
 
-    if background_img:
-        background = Image.open(background_img)
-        img.paste(background, None, background)
-        del background
+    author_top = 446
+    author_margin_left = 118
+    author_margin_right = 62
+    author_lineskip = 60
+    author_color = '#fff'
+    author_shadow = '#000'
+    author_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 50)
 
-    # WL logo
-    if logo_width:
-        logo = Image.open(get_resource('res/wl-logo.png'))
-        logo = logo.resize((logo_width, logo.size[1] * logo_width / logo.size[0]))
-        img.paste(logo, ((width - logo_width) / 2, img.size[1] - logo.size[1] - logo_bottom))
+    title_top = 0
+    title_margin_left = 118
+    title_margin_right = 62
+    title_lineskip = 60
+    title_color = '#fff'
+    title_shadow = '#000'
+    title_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 50)
 
-    title_y = draw_centered_text(author, img, author_font,
-                    author_margin_left, width - author_margin_left - author_margin_right, author_top,
-                    author_lineskip, author_color, author_shadow) + title_top
-    draw_centered_text(title, img, title_font,
-                    title_margin_left, width - title_margin_left - title_margin_right, title_y,
-                    title_lineskip, title_color, title_shadow)
+    def pretty_title(self):
+        return u"„%s”" % self.title
 
-    return img
 
+class BookotekaCover(Cover):
+    width = 2140
+    height = 2733
+    background_img = get_resource('res/cover-bookoteka.png')
 
-def virtualo_cover(author, title):
-    return cover(author, title,
-          600, 730, '#fff', None,
-          73, 20, 20, 40, '#000', ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 30), None,
-          73, 20, 20, 54, '#000', ImageFont.truetype(get_resource('fonts/DejaVuSerif.ttf'), 40), None,
-          300, 0
-          )
+    author_top = 480
+    author_margin_left = 307
+    author_margin_right = 233
+    author_lineskip = 156
+    author_color = '#d9d919'
+    author_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 130)
 
-def prestigio_cover(author, title):
-    return cover(author, u"„%s”" % title,
-          580, 783, '#fff', get_resource('res/cover-prestigio.png'),
-          446, 118, 62, 60, '#fff', ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 50), '#000',
-          0, 118, 62, 60, '#fff', ImageFont.truetype(get_resource('fonts/JunicodeWL-Italic.ttf'), 50), '#000',
-          None, None
-          )
+    title_top = 400
+    title_margin_left = 307
+    title_margin_right = 233
+    title_lineskip = 168
+    title_color = '#d9d919'
+    title_font = ImageFont.truetype(get_resource('fonts/JunicodeWL-Regular.ttf'), 140)
 
+    format = 'PNG'
index a87e1d8..f2987b5 100644 (file)
@@ -17,7 +17,7 @@ from shutil import rmtree
 
 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 import functions, get_resource
@@ -266,7 +266,7 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s
 
 
 def transform(provider, slug=None, file_path=None, output_file=None, output_dir=None, make_dir=False, verbose=False,
-              sample=None, cover_fn=None, flags=None):
+              sample=None, cover=None, flags=None):
     """ produces a EPUB file
 
     provider: a DocProvider
@@ -275,7 +275,7 @@ 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)
-    cover_fn: function(author, title) -> cover image
+    cover: a cover.Cover object
     flags: less-advertising,
     """
 
@@ -401,16 +401,23 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir=
     manifest = opf.find('.//' + OPFNS('manifest'))
     spine = opf.find('.//' + OPFNS('spine'))
 
-    if cover_fn:
-        cover = StringIO()
-        cover_fn(book_info.author.readable(), book_info.title).save(cover, format='JPEG')
-        zip.writestr(os.path.join('OPS', 'cover.jpg'), cover.getvalue())
-        del cover
-        zip.writestr('OPS/cover.html', open(get_resource('epub/cover.html')).read())
+    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))
+
         manifest.append(etree.fromstring(
             '<item id="cover" href="cover.html" media-type="application/xhtml+xml" />'))
         manifest.append(etree.fromstring(
-            '<item id="cover-image" href="cover.jpg" media-type="image/jpeg" />'))
+            '<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>'))
index bbe8508..784067c 100644 (file)
@@ -7,7 +7,7 @@
   </head>
   <body style="oeb-column-number: 1;">
     <div id="cover-image">
-      <img src="cover.jpg" alt="Okładka" />
+      <img alt="Okładka" />
     </div>
   </body>
 </html>
\ No newline at end of file
diff --git a/librarian/res/cover-bookoteka.png b/librarian/res/cover-bookoteka.png
new file mode 100644 (file)
index 0000000..7196bcf
Binary files /dev/null and b/librarian/res/cover-bookoteka.png differ
index d2a47b3..6955899 100755 (executable)
@@ -66,7 +66,7 @@ def virtualo(filenames, output_dir, verbose):
             product_elem[4][0][1].text = utf_trunc(info.author.last_name, 100)
             xml.append(product_elem)
 
-            cover.virtualo_cover(
+            cover.VirtualoCover(
                 u' '.join(info.author.first_names + (info.author.last_name,)),
                 info.title
                 ).save(os.path.join(outfile_dir, slug+'.jpg'))
@@ -102,7 +102,32 @@ def prestigio(filenames, output_dir, verbose):
                     pass
             outfile = os.path.join(output_dir, slug + '.epub')
             epub.transform(provider, file_path=main_input, output_file=outfile,
-                    cover_fn=cover.prestigio_cover, flags=('less-advertising',))
+                    cover=cover.PrestigioCover, flags=('less-advertising',))
+    except ParseError, e:
+        print '%(file)s:%(name)s:%(message)s' % {
+            'file': main_input,
+            'name': e.__class__.__name__,
+            'message': e.message
+        }
+
+
+def bookoteka(filenames, output_dir, verbose):
+    try:
+        for main_input in input_filenames:
+            if options.verbose:
+                print main_input
+            path, fname = os.path.realpath(main_input).rsplit('/', 1)
+            provider = DirDocProvider(path)
+            slug, ext = os.path.splitext(fname)
+
+            if output_dir != '':
+                try:
+                    os.makedirs(output_dir)
+                except:
+                    pass
+            outfile = os.path.join(output_dir, slug + '.epub')
+            epub.transform(provider, file_path=main_input, output_file=outfile,
+                    cover=cover.BookotekaCover)
     except ParseError, e:
         print '%(file)s:%(name)s:%(message)s' % {
             'file': main_input,
@@ -123,10 +148,12 @@ if __name__ == '__main__':
         help='print status messages to stdout')
     parser.add_option('-O', '--output-dir', dest='output_dir', metavar='DIR', default='',
                       help='specifies the directory for output')
+    parser.add_option('--bookoteka', action='store_true', dest='bookoteka', default=False,
+                      help='prepare files for Bookoteka')
     parser.add_option('--virtualo', action='store_true', dest='virtualo', default=False,
                       help='prepare files for Virtualo API')
     parser.add_option('--prestigio', action='store_true', dest='prestigio', default=False,
-                      help='prepare files for prestigio')
+                      help='prepare files for Prestigio')
 
     options, input_filenames = parser.parse_args()
 
@@ -134,6 +161,8 @@ if __name__ == '__main__':
         parser.print_help()
         exit(1)
 
+    if options.bookoteka:
+        bookoteka(input_filenames, options.output_dir, options.verbose)
     if options.virtualo:
         virtualo(input_filenames, options.output_dir, options.verbose)
     if options.prestigio: