from librarian.util import roman_to_int
from librarian import (ValidationError, NoDublinCore, ParseError, DCNS, RDFNS,
- WLURI)
+ XMLNS, WLURI)
import lxml.etree as etree # ElementTree API using libxml2
from lxml.etree import XMLSyntaxError
+class TextPlus(unicode):
+ pass
+
+class DatePlus(date):
+ pass
+
+
# ==============
# = Converters =
# ==============
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, str): text = text.decode("utf-8")
- m = re.match(u"(?:([12]) *poł[.]? )?([MCDXVI]+) *w[.]?", text)
+
+ 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.groups()[0]
- if half is not None:
+ half = m.group(1)
+ decade = m.group(3)
+ century = roman_to_int(str(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)
- else:
- half = 1
- century = roman_to_int(str(m.groups()[1]))
- t = ((century*100 + (half-1)*50), 1, 1)
+ 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:
- text = re.sub(r"(po|ok[.]?) *", "", text)
- try:
- t = time.strptime(text, '%Y-%m-%d')
- except ValueError:
- t = time.strptime(re.split(r'[-/]', text)[0], '%Y')
- return date(t[0], t[1], t[2])
+ raise ValueError
+
+ return DatePlus(t[0], t[1], t[2])
except ValueError, e:
raise ValueError("Unrecognized date format. Try YYYY-MM-DD or YYYY.")
if isinstance(text, unicode):
return text
else:
- return text.decode('utf-8')
+ return TextPlus(text.decode('utf-8'))
def as_wluri_strict(text):
return WLURI.strict(text)
if self.multiple:
if validator is None:
return val
- return [ validator(v) if v is not None else v for v in 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
elif len(val) > 1:
raise ValidationError("Multiple values not allowed for field '%s'" % self.uri)
elif len(val) == 0:
else:
if validator is None or val[0] is None:
return val[0]
- return validator(val[0])
+ nv = validator(val[0])
+ if hasattr(val[0], 'lang'):
+ setattr(nv, 'lang', val[0].lang)
+ return nv
except ValueError, e:
raise ValidationError("Field '%s' - invald value: %s" % (self.uri, e.message))
if desc is None:
raise NoDublinCore("No DublinCore section found.")
+ lang = None
+ p = desc
+ while p is not None and lang is None:
+ lang = p.attrib.get(XMLNS('lang'))
+ p = p.getparent()
+
for e in desc.getchildren():
fv = field_dict.get(e.tag, [])
- fv.append(e.text)
+ if e.text is not None:
+ text = e.text
+ if not isinstance(text, unicode):
+ text = text.decode('utf-8')
+ val = TextPlus(text)
+ val.lang = e.attrib.get(XMLNS('lang'), lang)
+ else:
+ val = e.text
+ fv.append(val)
field_dict[e.tag] = fv
return cls(desc.attrib, field_dict, *args, **kwargs)
for fixture in get_all_fixtures('dcparser', '*.xml'):
yield check_serialize, fixture
-def test_as_date():
+def test_asdate():
assert_equals(dcparser.as_date(u"2010-10-03"), date(2010, 10, 03))
- assert_equals(dcparser.as_date("2011"), date(2011, 1, 1))
- assert_equals(dcparser.as_date("2 poł. XIX w."), date(1950, 1, 1))
+ assert_equals(dcparser.as_date(u"2011"), date(2011, 1, 1))
+ assert_equals(dcparser.as_date(u"2 poł. XIX w."), date(1950, 1, 1))
+ assert_equals(dcparser.as_date(u"XVII w., l. 20"), date(1720, 1, 1))
+ assert_equals(dcparser.as_date(u"po 1460"), date(1460, 1, 1))
+ assert_equals(dcparser.as_date(u"ok. 1813-1814"), date(1813, 1, 1))
+ assert_equals(dcparser.as_date(u"ok.1876-ok.1886"), date(1876, 1, 1))
+ assert_equals(dcparser.as_date(u"1893/1894"), date(1893, 1, 1))
+