X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/78f64bd3e21f1a5610b50bc3235ad4c85dfe11c9..8c0d2b20aee2edeb9bd8639ee7fb1887359e9797:/lib/dcparser/dcparser.py?ds=inline

diff --git a/lib/dcparser/dcparser.py b/lib/dcparser/dcparser.py
deleted file mode 100644
index 9281325c6..000000000
--- a/lib/dcparser/dcparser.py
+++ /dev/null
@@ -1,179 +0,0 @@
-# -*- coding: utf-8 -*-
-from xml.parsers.expat import ExpatError
-from datetime import date
-import time
-
-# Import ElementTree from anywhere
-try:
-    import xml.etree.ElementTree as etree # Python >= 2.5
-except ImportError:
-    try:
-        import elementtree.ElementTree as etree # effbot's pure Python module
-    except ImportError:
-        import lxml.etree as etree # ElementTree API using libxml2
-
-
-# ==============
-# = Converters =
-# ==============
-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
-    
-    
-    def __eq__(self, right):
-        return self.last_name == right.last_name and self.first_names == right.first_names
-    
-    
-    def __unicode__(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 str_to_unicode(value, previous):
-    return unicode(value)
-
-
-def str_to_unicode_list(value, previous):
-    if previous is None:
-        previous = []
-    previous.append(str_to_unicode(value))
-    return previous
-
-
-def str_to_person(value, previous):
-    comma_count = value.count(',')
-    
-    if comma_count == 0:
-        last_name, first_names = value, []
-    elif comma_count == 1:
-        last_name, first_names = value.split(',')
-        first_names = [name for name in first_names.split(' ') if len(name)]
-    else:
-        raise ValueError("value contains more than one comma: %r" % value)
-    
-    return Person(last_name.strip(), *first_names)
-
-
-def str_to_date(value, previous):
-    try:
-        t = time.strptime(value, '%Y-%m-%d')
-    except ValueError:
-        t = time.strptime(value, '%Y')
-    return date(t[0], t[1], t[2])
-
-
-# ==========
-# = Parser =
-# ==========
-class ParseError(Exception):
-    def __init__(self, message):
-        super(self, Exception).__init__(message)
-
-
-class XMLNamespace(object):
-    '''Represents XML namespace.'''
-    
-    def __init__(self, uri):
-        self.uri = uri
-
-    def __call__(self, tag):
-        return '{%s}%s' % (self.uri, tag)
-
-    def __contains__(self, tag):
-        return tag.startswith(str(self))
-
-    def __repr__(self):
-        return 'XMLNamespace(%r)' % self.uri
-    
-    def __str__(self):
-        return '%s' % self.uri
-
-
-class BookInfo(object):
-    RDF = XMLNamespace('http://www.w3.org/1999/02/22-rdf-syntax-ns#')
-    DC = XMLNamespace('http://purl.org/dc/elements/1.1/')
-    
-    mapping = {
-        DC('creator')        : ('author', str_to_person),
-        DC('title')          : ('title', str_to_unicode),
-        DC('subject.period') : ('epoch', str_to_unicode),
-        DC('subject.type')   : ('kind', str_to_unicode),
-        DC('subject.genre')  : ('genre', str_to_unicode),
-        DC('date')           : ('created_at', str_to_date),
-        DC('date.pd')        : ('released_to_public_domain_at', str_to_date),
-        DC('contributor.translator') : ('translator', str_to_person),
-        DC('contributor.technical_editor') : ('technical_editor', str_to_person),
-        DC('publisher')      : ('publisher', str_to_unicode),
-        DC('source')         : ('source_name', str_to_unicode),
-        DC('source.URL')     : ('source_url', str_to_unicode),
-        DC('identifier.url') : ('url', str_to_unicode),
-        DC('relation.hasPart') : ('parts', str_to_unicode_list),
-    }
-
-    @classmethod
-    def from_string(cls, xml):
-        from StringIO import StringIO
-        return cls.from_file(StringIO(xml))
-    
-    @classmethod
-    def from_file(cls, xml_file):
-        book_info = cls()
-        
-        try:
-            tree = etree.parse(xml_file)
-        except ExpatError, e:
-            raise ParseError(e)
-
-        description = tree.find('//' + book_info.RDF('Description'))
-        if description is None:
-            raise ParseError('no Description tag found in document')
-        
-        for element in description.findall('*'):
-            book_info.parse_element(element) 
-        
-        return book_info
-
-    def parse_element(self, element):
-        try:
-            attribute, converter = self.mapping[element.tag]
-            setattr(self, attribute, converter(element.text, getattr(self, attribute, None)))
-        except KeyError:
-            pass
-
-    def to_xml(self):
-        """XML representation of this object."""
-        etree._namespace_map[str(self.RDF)] = 'rdf'
-        etree._namespace_map[str(self.DC)] = 'dc'
-        
-        root = etree.Element(self.RDF('RDF'))
-        description = etree.SubElement(root, self.RDF('Description'))
-        
-        for tag, (attribute, converter) in self.mapping.iteritems():
-            if hasattr(self, attribute):
-                e = etree.Element(tag)
-                e.text = unicode(getattr(self, attribute))
-                description.append(e)
-        
-        return unicode(etree.tostring(root, 'utf-8'), 'utf-8')
-
-
-def parse(file_name):
-    return BookInfo.from_file(file_name)
-
-
-if __name__ == '__main__':
-    import sys
-    
-    info = parse(sys.argv[1])
-    for attribute, _ in BookInfo.mapping.values():
-        print '%s: %r' % (attribute, getattr(info, attribute, None))
-