From 6b327e1a303fa8512cd5c56684bab2869198c01e Mon Sep 17 00:00:00 2001 From: Radek Czajka Date: Tue, 19 Nov 2013 11:48:31 +0100 Subject: [PATCH] Metadata can have lang attribute. --- librarian/__init__.py | 1 + librarian/dcparser.py | 44 +++++++++++++++++++++++++++++++++++++------ setup.py | 2 +- 3 files changed, 40 insertions(+), 7 deletions(-) diff --git a/librarian/__init__.py b/librarian/__init__.py index c46d5d1..bf15d13 100644 --- a/librarian/__init__.py +++ b/librarian/__init__.py @@ -65,6 +65,7 @@ class EmptyNamespace(XMLNamespace): return tag # some common namespaces we use +XMLNS = XMLNamespace('http://www.w3.org/XML/1998/namespace') RDFNS = XMLNamespace('http://www.w3.org/1999/02/22-rdf-syntax-ns#') DCNS = XMLNamespace('http://purl.org/dc/elements/1.1/') XINS = XMLNamespace("http://www.w3.org/2001/XInclude") diff --git a/librarian/dcparser.py b/librarian/dcparser.py index cb212a3..a690e8f 100644 --- a/librarian/dcparser.py +++ b/librarian/dcparser.py @@ -10,12 +10,19 @@ import re 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 = # ============== @@ -102,7 +109,7 @@ for now we will translate this to some single date losing information of course. else: raise ValueError - return date(t[0], t[1], t[2]) + return DatePlus(t[0], t[1], t[2]) except ValueError, e: raise ValueError("Unrecognized date format. Try YYYY-MM-DD or YYYY.") @@ -113,7 +120,7 @@ def as_unicode(text): 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) @@ -139,7 +146,15 @@ class Field(object): 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: @@ -147,7 +162,10 @@ class Field(object): 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)) @@ -267,9 +285,23 @@ class WorkInfo(object): 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) diff --git a/setup.py b/setup.py index b20040a..7bcbbc2 100755 --- a/setup.py +++ b/setup.py @@ -21,7 +21,7 @@ def whole_tree(prefix, path): setup( name='librarian', - version='1.5.1', + version='1.6', description='Converter from WolneLektury.pl XML-based language to XHTML, TXT and other formats', author="Marek Stępniowski", author_email='marek@stepniowski.com', -- 2.20.1