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subscripts in WL XML
[librarian.git] / librarian / picture.py
diff --git a/librarian/picture.py b/librarian/picture.py
index 5d644d7..1aa1d07 100644 (file)
--- a/librarian/picture.py
+++ b/librarian/picture.py
@@ -1,5 +1,7 @@
+# -*- coding: utf-8 -*-
+from operator import and_
 
 
-from dcparser import (as_person, as_date, Field, WorkInfo, DCNS)
+from dcparser import Field, WorkInfo, DCNS
 from librarian import (RDFNS, ValidationError, NoDublinCore, ParseError, WLURI)
 from xml.parsers.expat import ExpatError
 from os import path
 from librarian import (RDFNS, ValidationError, NoDublinCore, ParseError, WLURI)
 from xml.parsers.expat import ExpatError
 from os import path
@@ -7,18 +9,17 @@ from StringIO import StringIO
 from lxml import etree
 from lxml.etree import (XMLSyntaxError, XSLTApplyError, Element)
 import re
 from lxml import etree
 from lxml.etree import (XMLSyntaxError, XSLTApplyError, Element)
 import re
-from functools import *
-from operator import *
+
 
 class WLPictureURI(WLURI):
 
 class WLPictureURI(WLURI):
-    _re_wl_uri = re.compile('http://wolnelektury.pl/katalog/obraz/'
-            '(?P<slug>[-a-z0-9]+)/?$')
+    _re_wl_uri = re.compile('http://wolnelektury.pl/katalog/obraz/(?P<slug>[-a-z0-9]+)/?$')
 
     @classmethod
     def from_slug(cls, slug):
         uri = 'http://wolnelektury.pl/katalog/obraz/%s/' % slug
         return cls(uri)
 
 
     @classmethod
     def from_slug(cls, slug):
         uri = 'http://wolnelektury.pl/katalog/obraz/%s/' % slug
         return cls(uri)
 
+
 def as_wlpictureuri_strict(text):
     return WLPictureURI.strict(text)
 
 def as_wlpictureuri_strict(text):
     return WLPictureURI.strict(text)
 
@@ -32,21 +33,21 @@ class PictureInfo(WorkInfo):
         Field(DCNS('subject.period'), 'epochs', salias='epoch', multiple=True),
         Field(DCNS('subject.type'), 'kinds', salias='kind', multiple=True),
         Field(DCNS('subject.genre'), 'genres', salias='genre', multiple=True, required=False),
         Field(DCNS('subject.period'), 'epochs', salias='epoch', multiple=True),
         Field(DCNS('subject.type'), 'kinds', salias='kind', multiple=True),
         Field(DCNS('subject.genre'), 'genres', salias='genre', multiple=True, required=False),
+        Field(DCNS('subject.style'), 'styles', salias='style', multiple=True, required=False),
 
         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('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=as_wlpictureuri_strict),
-        )
+        Field(DCNS('identifier.url'), 'url', WLPictureURI, strict=as_wlpictureuri_strict)
+    )
 
 
 class ImageStore(object):
     EXT = ['gif', 'jpeg', 'png', 'swf', 'psd', 'bmp'
 
 
 class ImageStore(object):
     EXT = ['gif', 'jpeg', 'png', 'swf', 'psd', 'bmp'
-            'tiff', 'tiff', 'jpc', 'jp2', 'jpf', 'jb2', 'swc',
-            'aiff', 'wbmp', 'xbm']
+           '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',
     MIME = ['image/gif', 'image/jpeg', 'image/png',
             'application/x-shockwave-flash', 'image/psd', 'image/bmp',
             'image/tiff', 'image/tiff', 'application/octet-stream',
@@ -54,8 +55,8 @@ class ImageStore(object):
             'application/x-shockwave-flash', 'image/iff', 'image/vnd.wap.wbmp', 'image/xbm']
 
     def __init__(self, dir_):
             'application/x-shockwave-flash', 'image/iff', 'image/vnd.wap.wbmp', 'image/xbm']
 
     def __init__(self, dir_):
+        super(ImageStore, self).__init__()
         self.dir = dir_
         self.dir = dir_
-        return super(ImageStore, self).__init__()
 
     def path(self, slug, mime_type):
         """
 
     def path(self, slug, mime_type):
         """
@@ -95,6 +96,7 @@ class WLPicture(object):
             self.picture_info = PictureInfo.from_element(self.rdf_elem)
         else:
             self.picture_info = None
             self.picture_info = PictureInfo.from_element(self.rdf_elem)
         else:
             self.picture_info = None
+        self.frame = None
 
     @classmethod
     def from_string(cls, xml, *args, **kwargs):
 
     @classmethod
     def from_string(cls, xml, *args, **kwargs):
@@ -119,14 +121,14 @@ class WLPicture(object):
         data = data.replace(u'\ufeff', '')
 
         # assume images are in the same directory
         data = data.replace(u'\ufeff', '')
 
         # assume images are in the same directory
-        if image_store is None and xmlfile.name is not None:
+        if image_store is None and getattr(xmlfile, 'name', 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)
 
             image_store = ImageStore(path.dirname(xmlfile.name))
 
         try:
             parser = etree.XMLParser(remove_blank_text=False)
             tree = etree.parse(StringIO(data.encode('utf-8')), parser)
 
-            me =  cls(tree, parse_dublincore=parse_dublincore, image_store=image_store)
+            me = cls(tree, parse_dublincore=parse_dublincore, image_store=image_store)
             me.load_frame_info()
             return me
         except (ExpatError, XMLSyntaxError, XSLTApplyError), e:
             me.load_frame_info()
             return me
         except (ExpatError, XMLSyntaxError, XSLTApplyError), e:
@@ -161,29 +163,31 @@ class WLPicture(object):
         def has_all_props(node, props):
             return reduce(and_, map(lambda prop: prop in node.attrib, props))
 
         def has_all_props(node, props):
             return reduce(and_, map(lambda prop: prop in node.attrib, props))
 
-        if has_all_props(area,  ['x1', 'x2', 'y1', 'y2']) == False:
+        if not has_all_props(area, ['x1', 'x2', 'y1', 'y2']):
             return None
             return None
-            
+
         def n(prop): return int(area.get(prop))
         return [[n('x1'), n('y1')], [n('x2'), n('y2')]]
         def n(prop): return int(area.get(prop))
         return [[n('x1'), n('y1')], [n('x2'), n('y2')]]
-        
 
     def partiter(self):
         """
         Iterates the parts of this picture and returns them and their metadata
         """
         # omg no support for //sem[(@type='theme') or (@type='object')] ?
 
     def partiter(self):
         """
         Iterates the parts of this picture and returns them and their metadata
         """
         # omg no support for //sem[(@type='theme') or (@type='object')] ?
-        for part in list(self.edoc.iterfind("//sem[@type='theme']")) + list(self.edoc.iterfind("//sem[@type='object']")):
-            pd = {}
-            pd['type'] = part.get('type')
+        for part in list(self.edoc.iterfind("//sem[@type='theme']")) +\
+                list(self.edoc.iterfind("//sem[@type='object']")):
+            pd = {'type': part.get('type')}
 
             coords = self.get_sem_coords(part)
 
             coords = self.get_sem_coords(part)
-            if coords is None: continue
+            if coords is None:
+                continue
             pd['coords'] = coords
 
             def want_unicode(x):
             pd['coords'] = coords
 
             def want_unicode(x):
-                if not isinstance(x, unicode): return x.decode('utf-8')
-                else: return x
+                if not isinstance(x, unicode):
+                    return x.decode('utf-8')
+                else:
+                    return x
             pd['object'] = part.attrib['type'] == 'object' and want_unicode(part.attrib.get('object', u'')) or None
             pd['themes'] = part.attrib['type'] == 'theme' and [part.attrib.get('theme', u'')] or []
             yield pd
             pd['object'] = part.attrib['type'] == 'object' and want_unicode(part.attrib.get('object', u'')) or None
             pd['themes'] = part.attrib['type'] == 'theme' and [part.attrib.get('theme', u'')] or []
             yield pd