Basic biblical tools.

[librarian.git] / src / librarian / __init__.py

diff --git a/src/librarian/__init__.py b/src/librarian/__init__.py
index 68afe74..4fbed92 100644 (file)
--- a/src/librarian/__init__.py
+++ b/src/librarian/__init__.py
@@ -1,30 +1,28 @@
-# -*- 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 Wolne Lektury. See NOTICE for more information.
 #
-from __future__ import print_function, unicode_literals
-
+import io
 import os
 import re
 import shutil
 from tempfile import NamedTemporaryFile
 import urllib
 from lxml import etree
-import six
-from six.moves.urllib.request import FancyURLopener
+from urllib.request import FancyURLopener
 from .util import makedirs
 
+# Compatibility imports.
+from .meta.types.wluri import WLURI
+
 
-@six.python_2_unicode_compatible
 class UnicodeException(Exception):
     def __str__(self):
         """ Dirty workaround for Python Unicode handling problems. """
         args = self.args[0] if len(self.args) == 1 else self.args
         try:
-            message = six.text_type(args)
+            message = str(args)
         except UnicodeDecodeError:
-            message = six.text_type(args, encoding='utf-8', errors='ignore')
+            message = str(args, encoding='utf-8', errors='ignore')
         return message
 
 
@@ -46,7 +44,7 @@ class NoProvider(UnicodeException):
     pass
 
 
-class XMLNamespace(object):
+class XMLNamespace:
     '''A handy structure to repsent names in an XML namespace.'''
 
     def __init__(self, uri):
@@ -77,18 +75,14 @@ class EmptyNamespace(XMLNamespace):
 XMLNS = XMLNamespace('http://www.w3.org/XML/1998/namespace')
 RDFNS = XMLNamespace('http://www.w3.org/1999/02/22-rdf-syntax-ns#')
 DCNS = XMLNamespace('http://purl.org/dc/elements/1.1/')
-XINS = XMLNamespace("http://www.w3.org/2001/XInclude")
 XHTMLNS = XMLNamespace("http://www.w3.org/1999/xhtml")
-NCXNS = XMLNamespace("http://www.daisy.org/z3986/2005/ncx/")
-OPFNS = XMLNamespace("http://www.idpf.org/2007/opf")
 PLMETNS = XMLNamespace("http://dl.psnc.pl/schemas/plmet/")
-
+FB2NS = XMLNamespace("http://www.gribuser.ru/xml/fictionbook/2.0")
+XLINKNS = XMLNamespace("http://www.w3.org/1999/xlink")
 WLNS = EmptyNamespace()
 
 
-
-
-class DocProvider(object):
+class DocProvider:
     """Base class for a repository of XML files.
 
     Used for generating joined files, like EPUBs.
@@ -111,80 +105,11 @@ class DirDocProvider(DocProvider):
         return open(os.path.join(self.dir, fname), 'rb')
 
 
-from . import dcparser
-from .meta.types.wluri import WLURI
-
-
-DEFAULT_BOOKINFO = dcparser.BookInfo(
-    {
-        RDFNS('about'): u'http://wiki.wolnepodreczniki.pl/Lektury:Template'
-    },
-    {
-        DCNS('creator'): [u'Some, Author'],
-        DCNS('title'): [u'Some Title'],
-        DCNS('subject.period'): [u'Unknown'],
-        DCNS('subject.type'): [u'Unknown'],
-        DCNS('subject.genre'): [u'Unknown'],
-        DCNS('date'): ['1970-01-01'],
-        DCNS('language'): [u'pol'],
-        # DCNS('date'): [creation_date],
-        DCNS('publisher'): [u"Fundacja Nowoczesna Polska"],
-        DCNS('description'):
-        [u"""Publikacja zrealizowana w ramach projektu
-        Wolne Lektury (http://wolnelektury.pl). Reprodukcja cyfrowa
-        wykonana przez Bibliotekę Narodową z egzemplarza
-        pochodzącego ze zbiorów BN."""],
-        DCNS('identifier.url'): [WLURI.example],
-        DCNS('rights'):
-        [u"Domena publiczna - zm. [OPIS STANU PRAWNEGO TEKSTU]"]
-    }
-)
-
-
-def xinclude_forURI(uri):
-    e = etree.Element(XINS("include"))
-    e.set("href", uri)
-    return etree.tostring(e, encoding='unicode')
-
-
-def wrap_text(ocrtext, creation_date, bookinfo=DEFAULT_BOOKINFO):
-    """Wrap the text within the minimal XML structure with a DC template."""
-    bookinfo.created_at = creation_date
-
-    dcstring = etree.tostring(
-        bookinfo.to_etree(),  method='xml', encoding='unicode',
-        pretty_print=True
-    )
-
-    return u'<utwor>\n' + dcstring + u'\n<plain-text>\n' + ocrtext + \
-        u'\n</plain-text>\n</utwor>'
-
-
-def serialize_raw(element):
-    b = u'' + (element.text or '')
-
-    for child in element.iterchildren():
-        e = etree.tostring(child, method='xml', encoding='unicode',
-                           pretty_print=True)
-        b += e
-
-    return b
-
-
-SERIALIZERS = {
-    'raw': serialize_raw,
-}
-
-
-def serialize_children(element, format='raw'):
-    return SERIALIZERS[format](element)
-
-
 def get_resource(path):
     return os.path.join(os.path.dirname(__file__), path)
 
 
-class OutputFile(object):
+class OutputFile:
     """Represents a file returned by one of the converters."""
 
     _bytes = None
@@ -226,7 +151,7 @@ class OutputFile(object):
         """Get file as a file-like object."""
 
         if self._bytes is not None:
-            return six.BytesIO(self._bytes)
+            return io.BytesIO(self._bytes)
         elif self._filename is not None:
             return open(self._filename, 'rb')
 
@@ -253,7 +178,7 @@ class OutputFile(object):
 
 
 class URLOpener(FancyURLopener):
-    version = 'FNP Librarian (http://github.com/fnp/librarian)'
+    version = 'WL Librarian (http://github.com/fnp/librarian)'
 
 
 urllib._urlopener = URLOpener()