-# -*- 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.
#
-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)
+ XMLNS, WLNS, PLMETNS)
-import lxml.etree as etree # ElementTree API using libxml2
+import lxml.etree as etree
from lxml.etree import XMLSyntaxError
-
-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):
- self.last_name = last_name
- self.first_names = first_names
-
- @classmethod
- def from_text(cls, text):
- 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.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 = parts[1].split()
- return cls(surname, *names)
-
- def readable(self):
- return u" ".join(self.first_names + (self.last_name,))
-
- def __eq__(self, right):
- return (self.last_name == right.last_name
- and self.first_names == right.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 __str__(self):
- if len(self.first_names) > 0:
- return '%s, %s' % (self.last_name, ' '.join(self.first_names))
- else:
- return self.last_name
-
- 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',
- centuries: "XVIII w.'
- half centuries/decades: '2 poł. XVIII w.', 'XVII w., l. 20'
- later-then: 'po 1450'
- circa 'ok. 1813-1814', 'ok.1876-ok.1886
- turn: 1893/1894
-
- For now we will translate this to some single date
- losing information of course.
- """
- try:
- # check out the "N. poł X w." syntax
- 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})?"
-
- m = re.match(century_format, text)
- m2 = re.match(vague_format, text)
- if m:
- half = m.group(1)
- decade = m.group(3)
- 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."
- )
- half = int(half)
- t = ((century*100 + (half-1)*50), 1, 1)
- else:
- decade = int(decade or 0)
- t = ((century*100 + decade), 1, 1)
- elif m2:
- year = m2.group(1)
- mon_day = m2.group(2)
- if mon_day:
- t = time.strptime(year + mon_day, "%Y-%m-%d")
- else:
- t = time.strptime(year, '%Y')
- else:
- raise ValueError
-
- return DatePlus(t[0], t[1], t[2])
- except ValueError:
- 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, six.text_type):
- return text
- else:
- return TextPlus(text.decode('utf-8'))
-
-def as_bool(text):
- return text == 'true'
-as_bool.no_lang = True
-
-def as_wluri_strict(text):
- return WLURI.strict(text)
+from librarian.meta.types.bool import BoolValue
+from librarian.meta.types.date import DateValue
+from librarian.meta.types.person import Person
+from librarian.meta.types.wluri import WLURI
+from librarian.meta.types.text import TextValue
class Field(object):
- def __init__(self, uri, attr_name, validator=as_unicode, strict=None,
+ def __init__(self, uri, attr_name, value_type=TextValue,
multiple=False, salias=None, **kwargs):
self.uri = uri
self.name = attr_name
- self.validator = validator
- self.strict = strict
+ self.value_type = value_type
self.multiple = multiple
self.salias = salias
self.default = kwargs.get('default', [] if multiple else [None])
def validate_value(self, val, strict=False):
- if strict and self.strict is not None:
- validator = self.strict
- else:
- validator = self.validator
+ #if strict:
+ # value.validate()
+
try:
if self.multiple:
- if validator is None:
- return val
- new_values = []
- for v in val:
- nv = v
- if v is not None:
- nv = validator(v)
- if hasattr(v, 'lang'):
- setattr(nv, 'lang', v.lang)
- new_values.append(nv)
- return new_values
+ return val
elif len(val) > 1:
raise ValidationError(
"Multiple values not allowed for field '%s'" % self.uri
% self.uri
)
else:
- if validator is None or val[0] is None:
- return val[0]
- nv = validator(val[0])
- if hasattr(val[0], 'lang') and not hasattr(validator, 'no_lang'):
- setattr(nv, 'lang', val[0].lang)
- return nv
+ return val[0]
except ValueError as e:
raise ValidationError(
"Field '%s' - invald value: %s"
- % (self.uri, e.message)
+ % (self.uri, str(e))
)
def validate(self, fdict, fallbacks=None, strict=False, validate_required=True):
class WorkInfo(six.with_metaclass(DCInfo, object)):
FIELDS = (
- Field(DCNS('creator'), 'authors', as_person, salias='author',
+ Field(DCNS('creator'), 'authors', 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),
+ Person, salias='editor', multiple=True, required=False),
Field(DCNS('contributor.technical_editor'), 'technical_editors',
- as_person, salias='technical_editor', multiple=True,
+ 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,
+ Field(DCNS('date.pd'), 'released_to_public_domain_at', DateValue,
required=False),
Field(DCNS('publisher'), 'publisher', multiple=True),
Field(DCNS('source'), 'source_name', required=False),
Field(DCNS('source.URL'), 'source_urls', salias='source_url',
multiple=True, required=False),
- Field(DCNS('identifier.url'), 'url', WLURI, strict=as_wluri_strict),
+ Field(DCNS('identifier.url'), 'url', WLURI),
Field(DCNS('rights.license'), 'license', required=False),
Field(DCNS('rights'), 'license_description'),
Field(WLNS('developmentStage'), 'stage', required=False),
)
+ @classmethod
+ def get_field_by_uri(cls, uri):
+ for f in cls.FIELDS:
+ if f.uri == uri:
+ return f
+
@classmethod
def from_bytes(cls, xml, *args, **kwargs):
return cls.from_file(six.BytesIO(xml), *args, **kwargs)
p = p.getparent()
for e in desc.getchildren():
- fv = field_dict.get(e.tag, [])
+ tag = e.tag
+ if tag == 'meta':
+ meta_id = e.attrib.get('id')
+ if meta_id and meta_id.endswith('-id'):
+ tag = meta_id
+
+ field = cls.get_field_by_uri(tag)
+ if field is None:
+ # Ignore unknown fields.
+ continue
+
+ fv = field_dict.get(tag, [])
if e.text is not None:
- text = e.text
- if not isinstance(text, six.text_type):
- text = text.decode('utf-8')
- val = TextPlus(text)
+ val = field.value_type.from_text(e.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)
- field_dict[e.tag] = fv
+ field_dict[tag] = fv
return cls(desc.attrib, field_dict, *args, **kwargs)
for field in self.FIELDS:
value = field.validate(dc_fields, fallbacks=fallbacks,
strict=strict, validate_required=validate_required)
+ print(field.name, value)
setattr(self, 'prop_' + field.name, value)
self.fmap[field.name] = field
if field.salias:
required=False),
Field(DCNS('subject.genre'), 'genres', salias='genre', multiple=True,
required=False),
+ Field(WLNS('category.legimi'), 'legimi', 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,
+ Person, salias='translator', multiple=True, required=False),
+ Field(DCNS('relation.hasPart'), 'parts', WLURI,
multiple=True, required=False),
Field(DCNS('relation.isVariantOf'), 'variant_of', WLURI,
- strict=as_wluri_strict, required=False),
+ required=False),
Field(DCNS('relation.coverImage.url'), 'cover_url', required=False),
Field(DCNS('relation.coverImage.attribution'), 'cover_by',
Field(WLNS('coverClass'), 'cover_class', default=['default']),
Field(WLNS('coverLogoUrl'), 'cover_logo_urls', multiple=True,
required=False),
- Field(WLNS('endnotes'), 'endnotes', as_bool,
+ Field(WLNS('endnotes'), 'endnotes', BoolValue,
required=False),
Field('pdf-id', 'isbn_pdf', required=False),
fnp / librarian.git / blobdiff