X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/48acd2e1b4ad0a64661091dff97122b2a53e4685..1f8cf8e0244045ed2b2a8efcff5d6db967ac2b11:/librarian/packagers.py

diff --git a/librarian/packagers.py b/librarian/packagers.py
index 36a7b60..b3f5548 100644
--- a/librarian/packagers.py
+++ b/librarian/packagers.py
@@ -3,147 +3,68 @@
 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
+from __future__ import print_function, unicode_literals
+
 import os
-from copy import deepcopy
-from lxml import etree
-from librarian import pdf, epub, DirDocProvider, ParseError, cover
+from librarian import pdf, epub, mobi, DirDocProvider, ParseError
 from librarian.parser import WLDocument
 
+from .util import makedirs
+
 
 class Packager(object):
     cover = None
     flags = None
 
     @classmethod
-    def prepare_file(cls, main_input, output_dir, verbose=False):
+    def transform(cls, *args, **kwargs):
+        return cls.converter.transform(*args, **kwargs)
+
+    @classmethod
+    def prepare_file(cls, main_input, output_dir, verbose=False, overwrite=False):
         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
+            makedirs(output_dir)
         outfile = os.path.join(output_dir, slug + '.' + cls.ext)
+        if os.path.exists(outfile) and not overwrite:
+            return
 
         doc = WLDocument.from_file(main_input, provider=provider)
-        output_file = cls.converter.transform(doc,
-                cover=cls.cover, flags=cls.flags)
+        output_file = cls.transform(doc, cover=cls.cover, flags=cls.flags)
         doc.save_output_file(output_file, output_path=outfile)
 
-
     @classmethod
-    def prepare(cls, input_filenames, output_dir='', verbose=False):
+    def prepare(cls, input_filenames, output_dir='', verbose=False, overwrite=False):
         try:
             for main_input in input_filenames:
                 if verbose:
-                    print main_input
-                cls.prepare_file(main_input, output_dir, verbose)
-        except ParseError, e:
-            print '%(file)s:%(name)s:%(message)s' % {
+                    print(main_input)
+                cls.prepare_file(main_input, output_dir, verbose, overwrite)
+        except ParseError as e:
+            print('%(file)s:%(name)s:%(message)s' % {
                 'file': main_input,
                 'name': e.__class__.__name__,
                 'message': e.message
-            }
+            })
 
 
 class EpubPackager(Packager):
     converter = epub
     ext = 'epub'
 
-class PdfPackager(Packager):
-    converter = pdf
-    ext = 'pdf'
-
-
-class GandalfEpubPackager(EpubPackager):
-    cover = cover.GandalfCover
-
-class GandalfPdfPackager(PdfPackager):
-    cover = cover.GandalfCover
-
-class BookotekaEpubPackager(EpubPackager):
-    cover = cover.BookotekaCover
 
-class PrestigioEpubPackager(EpubPackager):
-    cover = cover.PrestigioCover
-    flags = ('less-advertising',)
+class MobiPackager(Packager):
+    converter = mobi
+    ext = 'mobi'
 
-class PrestigioPdfPackager(PdfPackager):
-    cover = cover.PrestigioCover
-    flags = ('less-advertising',)
 
-
-class VirtualoEpubPackager(Packager):
-    @staticmethod
-    def utf_trunc(text, limit):
-        """ truncates text to at most `limit' bytes in utf-8 """
-        if text is None:
-            return text
-        if len(text.encode('utf-8')) > limit:
-            newlimit = limit - 3
-            while len(text.encode('utf-8')) > newlimit:
-                text = text[:(newlimit - len(text.encode('utf-8'))) / 4]
-            text += '...'
-        return text
+class PdfPackager(Packager):
+    converter = pdf
+    ext = 'pdf'
 
     @classmethod
-    def prepare(cls, input_filenames, output_dir='', verbose=False):
-        xml = etree.fromstring("""<?xml version="1.0" encoding="utf-8"?>
-            <products xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"></products>""")
-        product = etree.fromstring("""<product>
-                <publisherProductId></publisherProductId>
-                <title></title>
-                <info></info>
-                <description></description>
-                <authors>
-                    <author>
-                        <names>Jan</names>
-                        <lastName>Kowalski</lastName>
-                    </author>
-                </authors>
-                <price>0.0</price>
-                <language>PL</language>
-            </product>""")
-
-        try:
-            for main_input in input_filenames:
-                if verbose:
-                    print main_input
-                path, fname = os.path.realpath(main_input).rsplit('/', 1)
-                provider = DirDocProvider(path)
-                slug, ext = os.path.splitext(fname)
-
-                outfile_dir = os.path.join(output_dir, slug)
-                os.makedirs(os.path.join(output_dir, slug))
-
-                doc = WLDocument.from_file(main_input, provider=provider)
-                info = doc.book_info
-
-                product_elem = deepcopy(product)
-                product_elem[0].text = cls.utf_trunc(slug, 100)
-                product_elem[1].text = cls.utf_trunc(info.title, 255)
-                product_elem[2].text = cls.utf_trunc(info.description, 255)
-                product_elem[3].text = cls.utf_trunc(info.source_name, 3000)
-                product_elem[4][0][0].text = cls.utf_trunc(u' '.join(info.author.first_names), 100)
-                product_elem[4][0][1].text = cls.utf_trunc(info.author.last_name, 100)
-                xml.append(product_elem)
-
-                cover.VirtualoCover(info).save(os.path.join(outfile_dir, slug+'.jpg'))
-                outfile = os.path.join(outfile_dir, '1.epub')
-                outfile_sample = os.path.join(outfile_dir, '1.sample.epub')
-                doc.save_output_file(epub.transform(doc),
-                        output_path=outfile)
-                doc.save_output_file(epub.transform(doc, sample=25), 
-                        output_path=outfile_sample)
-        except ParseError, e:
-            print '%(file)s:%(name)s:%(message)s' % {
-                'file': main_input,
-                'name': e.__class__.__name__,
-                'message': e.message
-            }
-
-        xml_file = open(os.path.join(output_dir, 'import_products.xml'), 'w')
-        xml_file.write(etree.tostring(xml, pretty_print=True, encoding=unicode).encode('utf-8'))
-        xml_file.close()
+    def transform(cls, *args, **kwargs):
+        return cls.converter.transform(*args, morefloats='new', **kwargs)