-# -*- 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
+
class ParseError(UnicodeException):
pass
+
class ValidationError(UnicodeException):
pass
+
class NoDublinCore(ValidationError):
"""There's no DublinCore section, and it's required."""
pass
+
class NoProvider(UnicodeException):
"""There's no DocProvider specified, and it's needed."""
pass
-class XMLNamespace(object):
+
+class XMLNamespace:
'''A handy structure to repsent names in an XML namespace.'''
def __init__(self, uri):
def __str__(self):
return '%s' % self.uri
+
class EmptyNamespace(XMLNamespace):
def __init__(self):
super(EmptyNamespace, self).__init__('')
def __call__(self, tag):
return tag
+
# some common namespaces we use
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/")
WLNS = EmptyNamespace()
-@six.python_2_unicode_compatible
-class WLURI(object):
- """Represents a WL URI. Extracts slug from it."""
- slug = None
-
- example = 'http://wolnelektury.pl/katalog/lektura/template/'
- _re_wl_uri = re.compile(r'http://(www\.)?wolnelektury.pl/katalog/lektur[ay]/'
- '(?P<slug>[-a-z0-9]+)/?$')
-
- def __init__(self, uri):
- uri = six.text_type(uri)
- self.uri = uri
- self.slug = uri.rstrip('/').rsplit('/', 1)[-1]
-
- @classmethod
- def strict(cls, uri):
- match = cls._re_wl_uri.match(uri)
- if not match:
- raise ValidationError(u'Invalid URI (%s). Should match: %s' % (
- uri, cls._re_wl_uri.pattern))
- return cls(uri)
-
- @classmethod
- def from_slug(cls, slug):
- """Contructs an URI from slug.
-
- >>> print(WLURI.from_slug('a-slug').uri)
- http://wolnelektury.pl/katalog/lektura/a-slug/
-
- """
- uri = 'http://wolnelektury.pl/katalog/lektura/%s/' % slug
- return cls(uri)
-
- def __str__(self):
- return self.uri
-
- def __eq__(self, other):
- return self.slug == other.slug
-
-
-class DocProvider(object):
+class DocProvider:
"""Base class for a repository of XML files.
Used for generating joined files, like EPUBs.
"""Should return a file-like object with a WL document XML."""
raise NotImplementedError
- def by_uri(self, uri, wluri=WLURI):
- """Should return a file-like object with a WL document XML."""
- wluri = wluri(uri)
- return self.by_slug(wluri.slug)
-
class DirDocProvider(DocProvider):
""" Serve docs from a directory of files in form <slug>.xml """
return open(os.path.join(self.dir, fname), 'rb')
-from . import dcparser
-
-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
"""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')
class URLOpener(FancyURLopener):
- version = 'FNP Librarian (http://github.com/fnp/librarian)'
+ version = 'WL Librarian (http://github.com/fnp/librarian)'
+
+
urllib._urlopener = URLOpener()
fnp / librarian.git / blobdiff