# HG changeset patch
# User k0s <k0scist@gmail.com>
# Date 1261783665 18000
# Node ID 93af41dcff3a176d4190498efbfead5beab7643b
# Parent  70ead14c7d435301c25054829e2e6d38e8f5d59c
now creates thumbnails using cropresize package

diff -r 70ead14c7d43 -r 93af41dcff3a montage/formatters.py
--- a/montage/formatters.py	Fri Dec 25 17:24:22 2009 -0500
+++ b/montage/formatters.py	Fri Dec 25 18:27:45 2009 -0500
@@ -1,20 +1,29 @@
+"""
+formatter for decoupage
+"""
+
 import mimetypes
+import os
+import Image
+from cropresize import crop_resize
 from decoupage.formatters import FormatterBase
 
 class Images(FormatterBase):
     """display images with thumbnails"""
 
     defaults = { 'size': 'x',
-                 'columns': None }
+                 'columns': None,
+                 'thumb_dir': 'thumbs',
+                 'thumb_prefix': 'thumb_'}
 
     def __init__(self, arg):
         FormatterBase.__init__(self, arg)
 
         # get image size for display
         width, height = [ i.strip() for i in self.size.split('x', 1) ]
-        self.width = width or None
-        self.height = height or None
-        
+        self.width = width and int(width) or None
+        self.height = height and int(height) or None
+
     def __call__(self, request, data):
 
         # add width + height data
@@ -39,6 +48,50 @@
         # thumbnails 
         if 'thumbnails' not in self.args:
             return
-        for f in data['files']:
+        thumb_dir = self.thumb_dir
+        if not os.path.isabs(thumb_dir):
+            thumb_dir = os.path.join(data['directory'], self.thumb_dir)
+        else:
             raise NotImplementedError
-            import pdb; pdb.set_trace()
+        if not os.path.exists(thumb_dir):
+            os.mkdir(thumb_dir)
+        for f in data['files']:
+            filepath = os.path.join(data['directory'], f['name'])
+            thumbnail = '%s%s' % (self.thumb_prefix, f['name'])
+            thumbnail_file = os.path.join(data['directory'], thumb_dir, thumbnail)
+            create_thumbnail = False
+            if os.path.exists(thumbnail_file):
+
+                # ensure the size is smaller than the specified size
+                try:
+                    thumb = Image.open(thumbnail_file)
+                except:
+                    continue
+                if self.width and thumb.size[0] > self.width:
+                    create_thumbnail = True
+                if self.height and thumb.size[1] > self.height:
+                    create_thumbnail = True
+
+                # ensure the original file has not been modified
+                if os.path.getatime(thumbnail_file) < os.path.getatime(filepath):
+                    create_thumbnail = True
+            else:
+                # create a new thumbnail
+                create_thumbnail = True
+            
+            if create_thumbnail: # do thumbnail creation
+                image = Image.open(filepath)
+
+                try:
+                    thumbnail_image = crop_resize(image, (self.width, self.height))
+                except:
+                    continue
+                fd = file(thumbnail_file, 'w')
+                thumbnail_image.save(fd)
+                fd.close()
+    
+            # fix the path to point to the thumbnail
+            f['path'] = '%s/%s/%s' % (f['path'].rsplit('/', 1)[0],
+                                      self.thumb_dir,
+                                      thumbnail)
+    
diff -r 70ead14c7d43 -r 93af41dcff3a setup.py
--- a/setup.py	Fri Dec 25 17:24:22 2009 -0500
+++ b/setup.py	Fri Dec 25 18:27:45 2009 -0500
@@ -1,7 +1,8 @@
+from cropresize import crop_resize
 from setuptools import setup, find_packages
 import sys, os
 
-version = '0.1'
+version = '0.2'
 
 setup(name='montage',
       version=version,
@@ -20,11 +21,8 @@
       install_requires=[
           # -*- Extra requirements: -*-
         'decoupage',
-#        'PIL'
+        'cropresize'
       ],
-      dependency_links=[
-        "http://dist.repoze.org/PIL-1.1.6.tar.gz",
-        ],
       entry_points="""
       # -*- Entry points: -*-
       [decoupage.formatters]