# 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 unicode_literals
+
from xml.parsers.expat import ExpatError
from datetime import date
+from functools import total_ordering
import time
import re
+import six
from librarian.util import roman_to_int
from librarian import (ValidationError, NoDublinCore, ParseError, DCNS, RDFNS,
XMLNS, WLURI, WLNS, PLMETNS)
-import lxml.etree as etree # ElementTree API using libxml2
+import lxml.etree as etree # ElementTree API using libxml2
from lxml.etree import XMLSyntaxError
-class TextPlus(unicode):
+class TextPlus(six.text_type):
pass
+
class DatePlus(date):
pass
# ==============
# = Converters =
# ==============
+@six.python_2_unicode_compatible
+@total_ordering
class Person(object):
"""Single person with last name and a list of first names."""
def __init__(self, last_name, *first_names):
@classmethod
def from_text(cls, text):
- parts = [ token.strip() for token in text.split(',') ]
+ parts = [token.strip() for token in text.split(',')]
if len(parts) == 1:
surname = parts[0]
names = []
elif len(parts) != 2:
- raise ValueError("Invalid person name. There should be at most one comma: \"%s\"." % text)
+ raise ValueError("Invalid person name. There should be at most one comma: \"%s\"." % text.encode('utf-8'))
else:
surname = parts[0]
if len(parts[1]) == 0:
# there is no non-whitespace data after the comma
raise ValueError("Found a comma, but no names given: \"%s\" -> %r." % (text, parts))
- names = [ name for name in parts[1].split() if len(name) ] # all non-whitespace tokens
+ names = parts[1].split()
return cls(surname, *names)
def readable(self):
def __eq__(self, right):
return self.last_name == right.last_name and self.first_names == right.first_names
- def __cmp__(self, other):
- return cmp((self.last_name, self.first_names), (other.last_name, other.first_names))
+ def __lt__(self, other):
+ return (self.last_name, self.first_names) < (other.last_name, other.first_names)
def __hash__(self):
return hash((self.last_name, self.first_names))
- def __unicode__(self):
+ def __str__(self):
if len(self.first_names) > 0:
return '%s, %s' % (self.last_name, ' '.join(self.first_names))
else:
def __repr__(self):
return 'Person(last_name=%r, first_names=*%r)' % (self.last_name, self.first_names)
+
def as_date(text):
"""Dates for digitization of pictures. It seems we need the following:
ranges: '1350-1450',
"""
try:
# check out the "N. poł X w." syntax
- if isinstance(text, str): text = text.decode("utf-8")
+ if isinstance(text, six.binary_type):
+ text = text.decode("utf-8")
century_format = u"(?:([12]) *poł[.]? +)?([MCDXVI]+) *w[.,]*(?: *l[.]? *([0-9]+))?"
vague_format = u"(?:po *|ok. *)?([0-9]{4})(-[0-9]{2}-[0-9]{2})?"
if m:
half = m.group(1)
decade = m.group(3)
- century = roman_to_int(str(m.group(2)))
+ century = roman_to_int(m.group(2))
if half is not None:
if decade is not None:
raise ValueError("Bad date format. Cannot specify both half and decade of century")
raise ValueError
return DatePlus(t[0], t[1], t[2])
- except ValueError, e:
+ except ValueError as e:
raise ValueError("Unrecognized date format. Try YYYY-MM-DD or YYYY.")
+
def as_person(text):
return Person.from_text(text)
+
def as_unicode(text):
- if isinstance(text, unicode):
+ if isinstance(text, six.text_type):
return text
else:
return TextPlus(text.decode('utf-8'))
+
def as_wluri_strict(text):
return WLURI.strict(text)
+
class Field(object):
def __init__(self, uri, attr_name, validator=as_unicode, strict=None, multiple=False, salias=None, **kwargs):
self.uri = uri
self.multiple = multiple
self.salias = salias
- self.required = kwargs.get('required', True) and not kwargs.has_key('default')
+ self.required = kwargs.get('required', True) and 'default' not in kwargs
self.default = kwargs.get('default', [] if multiple else [None])
def validate_value(self, val, strict=False):
if hasattr(val[0], 'lang'):
setattr(nv, 'lang', val[0].lang)
return nv
- except ValueError, e:
+ except ValueError as e:
raise ValidationError("Field '%s' - invald value: %s" % (self.uri, e.message))
def validate(self, fdict, fallbacks=None, strict=False):
if fallbacks is None:
fallbacks = {}
- if not fdict.has_key(self.uri):
+ if self.uri not in fdict:
if not self.required:
# Accept single value for single fields and saliases.
if self.name in fallbacks:
class DCInfo(type):
- def __new__(meta, classname, bases, class_dict):
+ def __new__(mcs, classname, bases, class_dict):
fields = list(class_dict['FIELDS'])
for base in bases[::-1]:
fields.insert(0, field)
class_dict['FIELDS'] = tuple(fields)
- return super(DCInfo, meta).__new__(meta, classname, bases, class_dict)
+ return super(DCInfo, mcs).__new__(mcs, classname, bases, class_dict)
-class WorkInfo(object):
- __metaclass__ = DCInfo
-
+class WorkInfo(six.with_metaclass(DCInfo, object)):
FIELDS = (
- Field( DCNS('creator'), 'authors', as_person, salias='author', multiple=True),
- Field( DCNS('title'), 'title'),
- Field( DCNS('type'), 'type', required=False, multiple=True),
-
- Field( DCNS('contributor.editor'), 'editors', \
- as_person, salias='editor', multiple=True, default=[]),
- Field( DCNS('contributor.technical_editor'), 'technical_editors',
- as_person, salias='technical_editor', multiple=True, default=[]),
- Field( DCNS('contributor.funding'), 'funders',
- salias='funder', multiple=True, default=[]),
- Field( DCNS('contributor.thanks'), 'thanks', required=False),
-
- Field( DCNS('date'), 'created_at', as_date),
- Field( DCNS('date.pd'), 'released_to_public_domain_at', as_date, required=False),
- Field( DCNS('publisher'), 'publisher'),
-
- Field( DCNS('language'), 'language'),
- Field( DCNS('description'), 'description', required=False),
-
- Field( DCNS('source'), 'source_name', required=False),
- Field( DCNS('source.URL'), 'source_url', required=False),
- Field( DCNS('identifier.url'), 'url', WLURI, strict=as_wluri_strict),
- Field( DCNS('rights.license'), 'license', required=False),
- Field( DCNS('rights'), 'license_description'),
-
- Field( PLMETNS('digitisationSponsor'), 'sponsors', multiple=True, default=[]),
- Field( WLNS('digitisationSponsorNote'), 'sponsor_note', required=False),
- Field( WLNS('developmentStage'), 'stage', required=False),
+ Field(DCNS('creator'), 'authors', as_person, salias='author', multiple=True),
+ Field(DCNS('title'), 'title'),
+ Field(DCNS('type'), 'type', required=False, multiple=True),
+
+ Field(DCNS('contributor.editor'), 'editors',
+ as_person, salias='editor', multiple=True, required=False),
+ Field(DCNS('contributor.technical_editor'), 'technical_editors',
+ as_person, salias='technical_editor', multiple=True, required=False),
+ Field(DCNS('contributor.funding'), 'funders', salias='funder', multiple=True, required=False),
+ Field(DCNS('contributor.thanks'), 'thanks', required=False),
+
+ Field(DCNS('date'), 'created_at'),
+ Field(DCNS('date.pd'), 'released_to_public_domain_at', as_date, required=False),
+ Field(DCNS('publisher'), 'publisher', multiple=True),
+
+ Field(DCNS('language'), 'language'),
+ Field(DCNS('description'), 'description', required=False),
+
+ Field(DCNS('source'), 'source_name', required=False),
+ Field(DCNS('source.URL'), 'source_url', required=False),
+ Field(DCNS('identifier.url'), 'url', WLURI, strict=as_wluri_strict),
+ Field(DCNS('rights.license'), 'license', required=False),
+ Field(DCNS('rights'), 'license_description'),
+
+ Field(PLMETNS('digitisationSponsor'), 'sponsors', multiple=True, required=False),
+ Field(WLNS('digitisationSponsorNote'), 'sponsor_note', required=False),
+ Field(WLNS('developmentStage'), 'stage', required=False),
)
@classmethod
- def from_string(cls, xml, *args, **kwargs):
- from StringIO import StringIO
- return cls.from_file(StringIO(xml), *args, **kwargs)
+ def from_bytes(cls, xml, *args, **kwargs):
+ return cls.from_file(six.BytesIO(xml), *args, **kwargs)
@classmethod
def from_file(cls, xmlfile, *args, **kwargs):
# extract data from the element and make the info
return cls.from_element(desc_tag, *args, **kwargs)
- except XMLSyntaxError, e:
+ except XMLSyntaxError as e:
raise ParseError(e)
- except ExpatError, e:
+ except ExpatError as e:
raise ParseError(e)
@classmethod
fv = field_dict.get(e.tag, [])
if e.text is not None:
text = e.text
- if not isinstance(text, unicode):
+ if not isinstance(text, six.text_type):
text = text.decode('utf-8')
val = TextPlus(text)
val.lang = e.attrib.get(XMLNS('lang'), lang)
+ if e.tag == 'meta':
+ meta_id = e.attrib.get('id')
+ if meta_id and meta_id.endswith('-id'):
+ field_dict[meta_id] = [val.replace('ISBN-', 'ISBN ')]
else:
val = e.text
fv.append(val)
self.fmap = {}
for field in self.FIELDS:
- value = field.validate(dc_fields, fallbacks=fallbacks,
- strict=strict)
+ value = field.validate(dc_fields, fallbacks=fallbacks, strict=strict)
setattr(self, 'prop_' + field.name, value)
self.fmap[field.name] = field
- if field.salias: self.fmap[field.salias] = field
+ if field.salias:
+ self.fmap[field.salias] = field
def __getattribute__(self, name):
try:
value = object.__getattribute__(self, 'prop_'+field.name)
if field.name == name:
return value
- else: # singular alias
+ else: # singular alias
if not field.multiple:
raise "OUCH!! for field %s" % name
field = object.__getattribute__(self, 'fmap')[name]
if field.name == name:
object.__setattr__(self, 'prop_'+field.name, newvalue)
- else: # singular alias
+ else: # singular alias
if not field.multiple:
raise "OUCH! while setting field %s" % name
"""Update using field_dict. Verify correctness, but don't check if all
required fields are present."""
for field in self.FIELDS:
- if field_dict.has_key(field.name):
+ if field.name in field_dict:
setattr(self, field.name, field_dict[field.name])
- def to_etree(self, parent = None):
+ def to_etree(self, parent=None):
"""XML representation of this object."""
- #etree._namespace_map[str(self.RDF)] = 'rdf'
- #etree._namespace_map[str(self.DC)] = 'dc'
+ # etree._namespace_map[str(self.RDF)] = 'rdf'
+ # etree._namespace_map[str(self.DC)] = 'dc'
if parent is None:
root = etree.Element(RDFNS('RDF'))
v = getattr(self, field.name, None)
if v is not None:
if field.multiple:
- if len(v) == 0: continue
+ if len(v) == 0:
+ continue
for x in v:
e = etree.Element(field.uri)
if x is not None:
- e.text = unicode(x)
+ e.text = six.text_type(x)
description.append(e)
else:
e = etree.Element(field.uri)
- e.text = unicode(v)
+ e.text = six.text_type(v)
description.append(e)
return root
def serialize(self):
- rdf = {}
- rdf['about'] = { 'uri': RDFNS('about'), 'value': self.about }
+ rdf = {'about': {'uri': RDFNS('about'), 'value': self.about}}
dc = {}
for field in self.FIELDS:
v = getattr(self, field.name, None)
if v is not None:
if field.multiple:
- if len(v) == 0: continue
- v = [ unicode(x) for x in v if x is not None ]
+ if len(v) == 0:
+ continue
+ v = [six.text_type(x) for x in v if x is not None]
else:
- v = unicode(v)
+ v = six.text_type(v)
dc[field.name] = {'uri': field.uri, 'value': v}
rdf['fields'] = dc
if v is not None:
if field.multiple:
- if len(v) == 0: continue
- v = [ unicode(x) for x in v if x is not None ]
+ if len(v) == 0:
+ continue
+ v = [six.text_type(x) for x in v if x is not None]
else:
- v = unicode(v)
+ v = six.text_type(v)
result[field.name] = v
if field.salias:
v = getattr(self, field.salias)
- if v is not None: result[field.salias] = unicode(v)
+ if v is not None:
+ result[field.salias] = six.text_type(v)
return result
class BookInfo(WorkInfo):
FIELDS = (
- Field( DCNS('audience'), 'audiences', salias='audience', multiple=True,
- required=False),
-
- Field( DCNS('subject.period'), 'epochs', salias='epoch', multiple=True,
- required=False),
- Field( DCNS('subject.type'), 'kinds', salias='kind', multiple=True,
- required=False),
- Field( DCNS('subject.genre'), 'genres', salias='genre', multiple=True,
- required=False),
-
- Field( DCNS('contributor.translator'), 'translators', \
- as_person, salias='translator', multiple=True, default=[]),
- Field( DCNS('relation.hasPart'), 'parts',
- WLURI, strict=as_wluri_strict, multiple=True, required=False),
- Field( DCNS('relation.isVariantOf'), 'variant_of',
- WLURI, strict=as_wluri_strict, required=False),
-
- Field( DCNS('relation.coverImage.url'), 'cover_url', required=False),
- Field( DCNS('relation.coverImage.attribution'), 'cover_by', required=False),
- Field( DCNS('relation.coverImage.source'), 'cover_source', required=False),
+ Field(DCNS('audience'), 'audiences', salias='audience', multiple=True, required=False),
+
+ Field(DCNS('subject.period'), 'epochs', salias='epoch', multiple=True, required=False),
+ Field(DCNS('subject.type'), 'kinds', salias='kind', multiple=True, required=False),
+ Field(DCNS('subject.genre'), 'genres', salias='genre', multiple=True, required=False),
+
+ Field(DCNS('subject.location'), 'location', required=False),
+
+ Field(DCNS('contributor.translator'), 'translators',
+ as_person, salias='translator', multiple=True, required=False),
+ Field(DCNS('relation.hasPart'), 'parts', WLURI, strict=as_wluri_strict, multiple=True, required=False),
+ Field(DCNS('relation.isVariantOf'), 'variant_of', WLURI, strict=as_wluri_strict, required=False),
+
+ Field(DCNS('relation.coverImage.url'), 'cover_url', required=False),
+ Field(DCNS('relation.coverImage.attribution'), 'cover_by', required=False),
+ Field(DCNS('relation.coverImage.source'), 'cover_source', required=False),
# WLCover-specific.
- Field( WLNS('coverBarColor'), 'cover_bar_color', required=False),
- Field( WLNS('coverBoxPosition'), 'cover_box_position', required=False),
+ Field(WLNS('coverBarColor'), 'cover_bar_color', required=False),
+ Field(WLNS('coverBoxPosition'), 'cover_box_position', required=False),
+ Field(WLNS('coverClass'), 'cover_class', default=['default']),
+ Field('pdf-id', 'isbn_pdf', required=False),
+ Field('epub-id', 'isbn_epub', required=False),
+ Field('mobi-id', 'isbn_mobi', required=False),
+ Field('txt-id', 'isbn_txt', required=False),
+ Field('html-id', 'isbn_html', required=False),
)
fnp / librarian.git / blobdiff