from librarian import (ValidationError, NoDublinCore, ParseError, DCNS, RDFNS,
WLURI)
-import lxml.etree as etree # ElementTree API using libxml2
+import lxml.etree as etree # ElementTree API using libxml2
from lxml.etree import XMLSyntaxError
@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 = []
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 = [name for name in parts[1].split() if len(name)] # all non-whitespace tokens
return cls(surname, *names)
def readable(self):
def __repr__(self):
return 'Person(last_name=%r, first_names=*%r)' % (self.last_name, self.first_names)
+
def as_date(text):
try:
try:
except ValueError, 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):
return 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, 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):
+ val = [v.strip() if v is not None else v for v in val]
if strict and self.strict is not None:
validator = self.strict
else:
if self.multiple:
if validator is None:
return val
- return [ 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:
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:
return self.validate_value(f, strict=strict)
def __eq__(self, other):
- if isinstance(other, Field) and other.name == self.name:
+ if isinstance(other, Field) and other.name == self.name and other.uri == self.uri:
return True
return False
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
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('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(DCNS('creator.expert'), 'authors_expert', as_person, salias='author', required=False, multiple=True),
+ Field(DCNS('creator.methodologist'), 'authors_methodologist', as_person, salias='author', required=False,
+ multiple=True),
+ Field(DCNS('creator.scenario'), 'authors_scenario', as_person, salias='author', required=False, multiple=True),
+ Field(DCNS('creator.textbook'), 'authors_textbook', as_person, salias='author', required=False, multiple=True),
+ Field(DCNS('requires'), 'requires', required=False, multiple=True),
+ Field(DCNS('title'), 'title'),
+ Field(DCNS('type'), 'type', required=False),
+
+ 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('date'), 'created_at', as_date),
+ Field(DCNS('date.pd'), 'released_to_public_domain_at', as_date, required=False),
+ Field(DCNS('publisher'), 'publisher'),
+
+ Field(DCNS('subject.competence'), 'competences', multiple=True, required=False),
+ Field(DCNS('subject.curriculum'), 'curriculum', multiple=True, required=False),
+
+ 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'),
)
@classmethod
def from_file(cls, xmlfile, *args, **kwargs):
desc_tag = None
try:
- iter = etree.iterparse(xmlfile, ['start', 'end'])
- for (event, element) in iter:
+ elements = etree.iterparse(xmlfile, ['start', 'end'])
+ for (event, element) in elements:
if element.tag == RDFNS('RDF') and event == 'start':
desc_tag = element
break
Check if there are rdf:RDF and rdf:Description tags.")
# continue 'till the end of RDF section
- for (event, element) in iter:
+ for (event, element) in elements:
if element.tag == RDFNS('RDF') and event == 'end':
break
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)
+ if field.multiple:
+ value = getattr(self, 'prop_' + field.name, []) + value
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:
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 = [unicode(x) for x in v if x is not None]
else:
v = unicode(v)
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 = [unicode(x) for x in v if x is not None]
else:
v = unicode(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] = unicode(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('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'), 'relations', WLURI, strict=as_wluri_strict, multiple=True, 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),
)
fnp / librarian.git / blobdiff