From: Marcin Koziej Date: Tue, 5 Nov 2013 09:04:45 +0000 (+0100) Subject: Merge branch '__images' X-Git-Tag: 1.7~125 X-Git-Url: https://git.mdrn.pl/librarian.git/commitdiff_plain/e57b146bf49e38b3bb57615110b27de5b4d1ae69?ds=inline;hp=-c Merge branch '__images' --- e57b146bf49e38b3bb57615110b27de5b4d1ae69 diff --combined librarian/dcparser.py index a907a52,fff8ac2..bcee932 --- a/librarian/dcparser.py +++ b/librarian/dcparser.py @@@ -6,6 -6,8 +6,8 @@@ from xml.parsers.expat import ExpatError from datetime import date import time + import re + from librarian.util import roman_to_int from librarian import (ValidationError, NoDublinCore, ParseError, DCNS, RDFNS, WLURI) @@@ -62,10 -64,17 +64,17 @@@ class Person(object) def as_date(text): try: - try: - t = time.strptime(text, '%Y-%m-%d') - except ValueError: - t = time.strptime(text, '%Y') + # check out the "N. poł X w." syntax + m = re.match(u"([12]) *poł[.]? ([MCDXVI]+) .*[.]?", text) + if m: + half = int(m.groups()[0]) + century = roman_to_int(str(m.groups()[1])) + t = ((century*100 + (half-1)*50), 1, 1) + else: + try: + t = time.strptime(text, '%Y-%m-%d') + except ValueError: + t = time.strptime(text, '%Y') return date(t[0], t[1], t[2]) except ValueError, e: raise ValueError("Unrecognized date format. Try YYYY-MM-DD or YYYY.") @@@ -79,63 -88,44 +88,63 @@@ def as_unicode(text) else: return text.decode('utf-8') +def as_wluri_strict(text): + return WLURI.strict(text) + class Field(object): - def __init__(self, uri, attr_name, type=as_unicode, multiple=False, salias=None, **kwargs): + def __init__(self, uri, attr_name, validator=as_unicode, strict=None, multiple=False, salias=None, **kwargs): self.uri = uri self.name = attr_name - self.validator = type + self.validator = validator + self.strict = strict self.multiple = multiple self.salias = salias self.required = kwargs.get('required', True) and not kwargs.has_key('default') self.default = kwargs.get('default', [] if multiple else [None]) - def validate_value(self, val): + def validate_value(self, val, strict=False): + if strict and self.strict is not None: + validator = self.strict + else: + validator = self.validator try: if self.multiple: - if self.validator is None: + if validator is None: return val - return [ self.validator(v) if v is not None else v for v in val ] + return [ validator(v) if v is not None else v for v in val ] elif len(val) > 1: raise ValidationError("Multiple values not allowed for field '%s'" % self.uri) elif len(val) == 0: raise ValidationError("Field %s has no value to assign. Check your defaults." % self.uri) else: - if self.validator is None or val[0] is None: + if validator is None or val[0] is None: return val[0] - return self.validator(val[0]) + return validator(val[0]) except ValueError, e: raise ValidationError("Field '%s' - invald value: %s" % (self.uri, e.message)) - def validate(self, fdict): + def validate(self, fdict, fallbacks=None, strict=False): + if fallbacks is None: + fallbacks = {} if not fdict.has_key(self.uri): if not self.required: - f = self.default + # Accept single value for single fields and saliases. + if self.name in fallbacks: + if self.multiple: + f = fallbacks[self.name] + else: + f = [fallbacks[self.name]] + elif self.salias and self.salias in fallbacks: + f = [fallbacks[self.salias]] + else: + f = self.default else: raise ValidationError("Required field %s not found" % self.uri) else: f = fdict[self.uri] - return self.validate_value(f) + return self.validate_value(f, strict=strict) def __eq__(self, other): if isinstance(other, Field) and other.name == self.name: @@@ -171,9 -161,6 +180,9 @@@ class WorkInfo(object) 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), @@@ -184,18 -171,18 +193,18 @@@ Field( DCNS('source'), 'source_name', required=False), Field( DCNS('source.URL'), 'source_url', required=False), - Field( DCNS('identifier.url'), 'url', WLURI), + Field( DCNS('identifier.url'), 'url', WLURI, strict=as_wluri_strict), Field( DCNS('rights.license'), 'license', required=False), Field( DCNS('rights'), 'license_description'), ) @classmethod - def from_string(cls, xml): + def from_string(cls, xml, *args, **kwargs): from StringIO import StringIO - return cls.from_file(StringIO(xml)) + return cls.from_file(StringIO(xml), *args, **kwargs) @classmethod - def from_file(cls, xmlfile): + def from_file(cls, xmlfile, *args, **kwargs): desc_tag = None try: iter = etree.iterparse(xmlfile, ['start', 'end']) @@@ -216,14 -203,14 +225,14 @@@ # if there is no end, Expat should yell at us with an ExpatError # extract data from the element and make the info - return cls.from_element(desc_tag) + return cls.from_element(desc_tag, *args, **kwargs) except XMLSyntaxError, e: raise ParseError(e) except ExpatError, e: raise ParseError(e) @classmethod - def from_element(cls, rdf_tag): + def from_element(cls, rdf_tag, *args, **kwargs): # the tree is already parsed, so we don't need to worry about Expat errors field_dict = {} desc = rdf_tag.find(".//" + RDFNS('Description')) @@@ -236,9 -223,9 +245,9 @@@ fv.append(e.text) field_dict[e.tag] = fv - return cls(desc.attrib, field_dict) + return cls(desc.attrib, field_dict, *args, **kwargs) - def __init__(self, rdf_attrs, dc_fields): + def __init__(self, rdf_attrs, dc_fields, fallbacks=None, strict=False): """rdf_attrs should be a dictionary-like object with any attributes of the RDF:Description. dc_fields - dictionary mapping DC fields (with namespace) to list of text values for the given field. """ @@@ -247,12 -234,16 +256,12 @@@ self.fmap = {} for field in self.FIELDS: - value = field.validate( dc_fields ) + 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 - self.validate() - - def validate(self): - self.url.validate_language(self.language) - def __getattribute__(self, name): try: field = object.__getattribute__(self, 'fmap')[name] @@@ -263,7 -254,7 +272,7 @@@ if not field.multiple: raise "OUCH!! for field %s" % name - return value[0] + return value[0] if value else None except (KeyError, AttributeError): return object.__getattribute__(self, name) @@@ -362,23 -353,17 +371,23 @@@ class BookInfo(WorkInfo) Field( DCNS('audience'), 'audiences', salias='audience', multiple=True, required=False), - Field( DCNS('subject.period'), 'epochs', salias='epoch', multiple=True), - Field( DCNS('subject.type'), 'kinds', salias='kind', multiple=True), - Field( DCNS('subject.genre'), 'genres', salias='genre', multiple=True), + 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, multiple=True, required=False), - - Field( DCNS('relation.cover_image.url'), 'cover_url', required=False), - Field( DCNS('relation.cover_image.attribution'), 'cover_by', required=False), - Field( DCNS('relation.cover_image.source'), 'cover_source', 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), )