X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/a34b95aa7ba5fd4838541d1cdcd28358fb808062..fefdce4e24f9e397df5538fe6e7f54b5ece4d841:/librarian/picture.py

diff --git a/librarian/picture.py b/librarian/picture.py
deleted file mode 100644
index ce1a551..0000000
--- a/librarian/picture.py
+++ /dev/null
@@ -1,169 +0,0 @@
-
-from dcparser import (as_person, as_date, Field, WorkInfo, DCNS)
-from librarian import (RDFNS, ValidationError, NoDublinCore, ParseError, WLURI)
-from xml.parsers.expat import ExpatError
-from os import path
-from StringIO import StringIO
-from lxml import etree
-from lxml.etree import (XMLSyntaxError, XSLTApplyError)
-import re
-
-
-class WLPictureURI(WLURI):
-    _re_wl_uri = re.compile('http://wolnelektury.pl/katalog/obraz/'
-            '(?P<slug>[-a-z0-9]+)/?$')
-
-    @classmethod
-    def from_slug(cls, slug):
-        uri = 'http://wolnelektury.pl/katalog/obraz/%s/' % slug
-        return cls(uri)
-
-
-class PictureInfo(WorkInfo):
-    """
-    Dublin core metadata for a picture
-    """
-    FIELDS = (
-        Field(DCNS('language'), 'language', required=False),
-        Field(DCNS('subject.period'), 'epochs', salias='epoch', multiple=True),
-        Field(DCNS('subject.type'), 'kinds', salias='kind', multiple=True),
-
-        Field(DCNS('format.dimensions'), 'dimensions', required=False),
-        Field(DCNS('format.checksum.sha1'), 'sha1', required=True),
-        Field(DCNS('description.medium'), 'medium', required=False),
-        Field(DCNS('description.dimensions'), 'original_dimensions', required=False),
-        Field(DCNS('format'), 'mime_type', required=False),
-        Field(DCNS('identifier.url'), 'url', WLPictureURI, strict=WLPictureURI.strict),
-        )
-
-
-class ImageStore(object):
-    EXT = ['gif', 'jpeg', 'png', 'swf', 'psd', 'bmp'
-            'tiff', 'tiff', 'jpc', 'jp2', 'jpf', 'jb2', 'swc',
-            'aiff', 'wbmp', 'xbm']
-    MIME = ['image/gif', 'image/jpeg', 'image/png',
-            'application/x-shockwave-flash', 'image/psd', 'image/bmp',
-            'image/tiff', 'image/tiff', 'application/octet-stream',
-            'image/jp2', 'application/octet-stream', 'application/octet-stream',
-            'application/x-shockwave-flash', 'image/iff', 'image/vnd.wap.wbmp', 'image/xbm']
-
-    def __init__(self, dir_):
-        self.dir = dir_
-        return super(ImageStore, self).__init__()
-
-    def path(self, slug, mime_type):
-        """
-        Finds file by slug and mime type in our iamge store.
-        Returns a file objects (perhaps should return a filename?)
-        """
-        try:
-            i = self.MIME.index(mime_type)
-        except ValueError:
-            err = ValueError("Picture %s has unknown mime type: %s" % (slug, mime_type))
-            err.slug = slug
-            err.mime_type = mime_type
-            raise err
-        ext = self.EXT[i]
-        # add some common extensions tiff->tif, jpeg->jpg
-        return path.join(self.dir, slug + '.' + ext)
-
-
-class WLPicture(object):
-    def __init__(self, edoc, parse_dublincore=True, image_store=None):
-        self.edoc = edoc
-        self.image_store = image_store
-
-        root_elem = edoc.getroot()
-
-        dc_path = './/' + RDFNS('RDF')
-
-        if root_elem.tag != 'picture':
-            raise ValidationError("Invalid root element. Found '%s', should be 'picture'" % root_elem.tag)
-
-        if parse_dublincore:
-            self.rdf_elem = root_elem.find(dc_path)
-
-            if self.rdf_elem is None:
-                raise NoDublinCore('Document has no DublinCore - which is required.')
-
-            self.picture_info = PictureInfo.from_element(self.rdf_elem)
-        else:
-            self.picture_info = None
-
-    @classmethod
-    def from_string(cls, xml, *args, **kwargs):
-        return cls.from_file(StringIO(xml), *args, **kwargs)
-
-    @classmethod
-    def from_file(cls, xmlfile, parse_dublincore=True, image_store=None):
-
-        # first, prepare for parsing
-        if isinstance(xmlfile, basestring):
-            file = open(xmlfile, 'rb')
-            try:
-                data = file.read()
-            finally:
-                file.close()
-        else:
-            data = xmlfile.read()
-
-        if not isinstance(data, unicode):
-            data = data.decode('utf-8')
-
-        data = data.replace(u'\ufeff', '')
-
-        # assume images are in the same directory
-        if image_store is None and xmlfile.name is not None:
-            image_store = ImageStore(path.dirname(xmlfile.name))
-
-        try:
-            parser = etree.XMLParser(remove_blank_text=False)
-            tree = etree.parse(StringIO(data.encode('utf-8')), parser)
-
-            return cls(tree, parse_dublincore=parse_dublincore, image_store=image_store)
-        except (ExpatError, XMLSyntaxError, XSLTApplyError), e:
-            raise ParseError(e)
-
-    @property
-    def mime_type(self):
-        if self.picture_info is None:
-            raise ValueError('DC is not loaded, hence we don\'t know the image type')
-        return self.picture_info.mime_type
-
-    @property
-    def slug(self):
-        return self.picture_info.url.slug
-
-    @property
-    def image_path(self):
-        if self.image_store is None:
-            raise ValueError("No image store associated with whis WLPicture.")
-        return self.image_store.path(self.slug, self.mime_type)
-
-    def image_file(self, *args, **kwargs):
-        return open(self.image_path, *args, **kwargs)
-
-    def partiter(self):
-        """
-        Iterates the parts of this picture and returns them and their metadata
-        """
-        for part in self.edoc.iter("div"):
-            pd = {}
-            pd['type'] = part.get('type')
-            if pd['type'] == 'area':
-                pd['coords'] = ((int(part.get('x1')), int(part.get('y1'))),
-                                (int(part.get('x2')), int(part.get('y2'))))
-
-            pd['themes'] = []
-            pd['object'] = None
-            parent = part
-            while True:
-                parent = parent.getparent()
-                if parent is None:
-                    break
-                if parent.tag == 'sem':
-                    if parent.get('type') == 'theme':
-                        pd['themes'] += map(unicode.strip, unicode(parent.get('theme')).split(','))
-                    elif parent.get('type') == 'object' and pd['object'] is None:
-                        pd['object'] = parent.get('object')
-            yield pd