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[wolnelektury.git] / apps / picture / models.py

diff --git a/apps/picture/models.py b/apps/picture/models.py
index f87b2bf..dd6ae8e 100644 (file)
--- a/apps/picture/models.py
+++ b/apps/picture/models.py
@@ -6,10 +6,9 @@ from django.conf import settings
 from django.core.files.storage import FileSystemStorage
 from django.utils.datastructures import SortedDict
 from django.template.loader import render_to_string
 from django.core.files.storage import FileSystemStorage
 from django.utils.datastructures import SortedDict
 from django.template.loader import render_to_string

-from django.core.cache import cache
+from django.core.cache import get_cache

 from catalogue.utils import split_tags
 from django.utils.safestring import mark_safe
 from catalogue.utils import split_tags
 from django.utils.safestring import mark_safe

-from librarian import dcparser, picture

 from slughifi import slughifi
 
 from django.utils.translation import ugettext_lazy as _
 from slughifi import slughifi
 
 from django.utils.translation import ugettext_lazy as _


@@ -45,9 +44,6 @@ class Picture(models.Model):
         verbose_name = _('picture')
         verbose_name_plural = _('pictures')
 
         verbose_name = _('picture')
         verbose_name_plural = _('pictures')
 

-    URLID_RE = r'[a-z0-9-]+'
-    FILEID_RE = r'[a-z0-9-]+'
-

     def save(self, force_insert=False, force_update=False, reset_short_html=True, **kwargs):
         from sortify import sortify
 
     def save(self, force_insert=False, force_update=False, reset_short_html=True, **kwargs):
         from sortify import sortify
 


@@ -65,41 +61,46 @@ class Picture(models.Model):
 
     @permalink
     def get_absolute_url(self):
 
     @permalink
     def get_absolute_url(self):

-        return ('picture.views.picture_detail', [self.urlid()])
-
-    def urlid(self):
-        return self.slug
+        return ('picture.views.picture_detail', [self.slug])

 
     @classmethod
     def from_xml_file(cls, xml_file, image_file=None, overwrite=False):
         """
         Import xml and it's accompanying image file.
 
     @classmethod
     def from_xml_file(cls, xml_file, image_file=None, overwrite=False):
         """
         Import xml and it's accompanying image file.

+        If image file is missing, it will be fetched by librarian.picture.ImageStore
+        which looks for an image file in the same directory the xml is, with extension matching
+        its mime type.

         """
         from sortify import sortify
         from django.core.files import File
         """
         from sortify import sortify
         from django.core.files import File

-        from librarian.picture import WLPicture
+        from librarian.picture import WLPicture, ImageStore

         close_xml_file = False
         close_xml_file = False

+        close_image_file = False
+        # class SimpleImageStore(object):
+        #     def path(self_, slug, mime_type):
+        #         """Returns the image file. Ignores slug ad mime_type."""
+        #         return image_file

 
 

-        class SimpleImageStore(object):
-            def path(self_, slug, mime_type):
-                """Returns the image file. Ignores slug ad mime_type."""
-                return image_file
+        if image_file is not None and not isinstance(image_file, File):
+            image_file = File(open(image_file))
+            close_image_file = True

 
         if not isinstance(xml_file, File):
             xml_file = File(open(xml_file))
             close_xml_file = True
 
         if not isinstance(xml_file, File):
             xml_file = File(open(xml_file))
             close_xml_file = True

+

         try:
             # use librarian to parse meta-data
             picture_xml = WLPicture.from_file(xml_file,
         try:
             # use librarian to parse meta-data
             picture_xml = WLPicture.from_file(xml_file,

-                    image_store=SimpleImageStore)
+                                              image_store=ImageStore(picture_storage.path('images')))
+                    # image_store=SimpleImageStore

 
 

-            pict, created = Picture.objects.get_or_create(slug=picture_xml.slug)
+            picture, created = Picture.objects.get_or_create(slug=picture_xml.slug)

             if not created and not overwrite:
                 raise Picture.AlreadyExists('Picture %s already exists' % picture_xml.slug)
 
             if not created and not overwrite:
                 raise Picture.AlreadyExists('Picture %s already exists' % picture_xml.slug)
 

-            pict.title = picture_xml.picture_info.title
+            picture.title = picture_xml.picture_info.title

 
 

-            #            from nose.tools import set_trace; set_trace()

             motif_tags = set()
             for part in picture_xml.partiter():
                 for motif in part['themes']:
             motif_tags = set()
             for part in picture_xml.partiter():
                 for motif in part['themes']:


@@ -110,7 +111,7 @@ class Picture(models.Model):
                         tag.save()
                     motif_tags.add(tag)
 
                         tag.save()
                     motif_tags.add(tag)
 

-            pict.tags = catalogue.models.Tag.tags_from_info(picture_xml.picture_info) + \
+            picture.tags = catalogue.models.Tag.tags_from_info(picture_xml.picture_info) + \

                 list(motif_tags)
 
             if image_file is not None:
                 list(motif_tags)
 
             if image_file is not None:


@@ -119,14 +120,16 @@ class Picture(models.Model):
                 img = picture_xml.image_file()
 
             # FIXME: hardcoded extension
                 img = picture_xml.image_file()
 
             # FIXME: hardcoded extension

-            picture.image_file.save("%s.jpg" % picture.slug, File(img))
+            picture.image_file.save(path.basename(picture_xml.image_path), File(img))

 
 

-            pict.xml_file.save("%s.xml" % pict.slug, File(xml_file))
-            pict.save()
+            picture.xml_file.save("%s.xml" % picture.slug, File(xml_file))
+            picture.save()

         finally:
             if close_xml_file:
                 xml_file.close()
         finally:
             if close_xml_file:
                 xml_file.close()

-        return pict
+            if close_image_file:
+                image_file.close()
+        return picture

 
     @classmethod
     def picture_list(cls, filter=None):
 
     @classmethod
     def picture_list(cls, filter=None):


@@ -145,7 +148,7 @@ class Picture(models.Model):
         for tag in catalogue.models.Tag.objects.filter(category='author'):
             pics_by_author[tag] = []
 
         for tag in catalogue.models.Tag.objects.filter(category='author'):
             pics_by_author[tag] = []
 

-        for pic in pics:
+        for pic in pics.iterator():

             authors = list(pic.tags.filter(category='author'))
             if authors:
                 for author in authors:
             authors = list(pic.tags.filter(category='author'))
             if authors:
                 for author in authors:


@@ -158,6 +161,8 @@ class Picture(models.Model):
     @property
     def info(self):
         if not hasattr(self, '_info'):
     @property
     def info(self):
         if not hasattr(self, '_info'):

+            from librarian import dcparser
+            from librarian import picture

             info = dcparser.parse(self.xml_file.path, picture.PictureInfo)
             self._info = info
         return self._info
             info = dcparser.parse(self.xml_file.path, picture.PictureInfo)
             self._info = info
         return self._info


@@ -167,12 +172,12 @@ class Picture(models.Model):
             return
 
         cache_key = "Picture.short_html/%d" % (self.id)
             return
 
         cache_key = "Picture.short_html/%d" % (self.id)

-        cache.delete(cache_key)
+        get_cache('permanent').delete(cache_key)

 
     def short_html(self):
         if self.id:
             cache_key = "Picture.short_html/%d" % (self.id)
 
     def short_html(self):
         if self.id:
             cache_key = "Picture.short_html/%d" % (self.id)

-            short_html = cache.get(cache_key)
+            short_html = get_cache('permanent').get(cache_key)

         else:
             short_html = None
 
         else:
             short_html = None
 


@@ -186,5 +191,5 @@ class Picture(models.Model):
                 {'picture': self, 'tags': tags}))
 
             if self.id:
                 {'picture': self, 'tags': tags}))
 
             if self.id:

-                cache.set(cache_key, short_html, catalogue.models.CACHE_FOREVER)
+                get_cache('permanent').set(cache_key, short_html)

             return mark_safe(short_html)
             return mark_safe(short_html)