def __init__(self, relative_source, requested_size, opts=None,
quality=None, basedir=None, subdir=None, prefix=None,
relative_dest=None, processors=None):
relative_source = force_unicode(relative_source)
# Set the absolute filename for the source file
source = self._absolute_path(relative_source)
quality = get_thumbnail_setting('QUALITY', quality)
convert_path = get_thumbnail_setting('CONVERT')
wvps_path = get_thumbnail_setting('WVPS')
if processors is None:
processors = dynamic_import(get_thumbnail_setting('PROCESSORS'))
# Call super().__init__ now to set the opts attribute. generate() won't
# get called because we are not setting the dest attribute yet.
super(DjangoThumbnail, self).__init__(source, requested_size,
opts=opts, quality=quality, convert_path=convert_path,
wvps_path=wvps_path, processors=processors)
# Get the relative filename for the thumbnail image, then set the
# destination filename
if relative_dest is None:
self.relative_dest = \
self._get_relative_thumbnail(relative_source, basedir=basedir,
subdir=subdir, prefix=prefix)
else:
self.relative_dest = relative_dest
self.dest = self._absolute_path(self.relative_dest)
# Call generate now that the dest attribute has been set
self.generate()
# Set the relative & absolute url to the thumbnail
self.relative_url = \
iri_to_uri('/'.join(self.relative_dest.split(os.sep)))
self.absolute_url = '%s%s' % (settings.MEDIA_URL, self.relative_url)
from populous.thumbnail.main import DjangoThumbnail, get_thumbnail_setting
from populous.thumbnail.processors import dynamic_import, get_valid_options
register = Library()
size_pat = re.compile(r'(\d+)x(\d+)$')
quality_pat = re.compile(r'quality=([1-9]\d?|100)$')
filesize_formats = ['k', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y']
filesize_long_formats = {
'k': 'kilo', 'M': 'mega', 'G': 'giga', 'T': 'tera', 'P': 'peta',
'E': 'exa', 'Z': 'zetta', 'Y': 'yotta'
}
try:
PROCESSORS = dynamic_import(get_thumbnail_setting('PROCESSORS'))
VALID_OPTIONS = get_valid_options(PROCESSORS)
except:
if get_thumbnail_setting('DEBUG'):
raise
else:
PROCESSORS = []
VALID_OPTIONS = []
class ThumbnailNode(Node):
def __init__(self, source_var, size_var, opts=None,
context_name=None, **kwargs):
self.source_var = source_var
self.size_var = size_var
self.opts = opts
self.context_name = context_name
import unittest
import os
import time
from PIL import Image
from django.conf import settings
from populous.thumbnail.base import Thumbnail
from populous.thumbnail.main import DjangoThumbnail, get_thumbnail_setting
from populous.thumbnail.processors import dynamic_import, get_valid_options
from populous.thumbnail.tests.base import BaseTest, RELATIVE_PIC_NAME, PIC_NAME, THUMB_NAME, PIC_SIZE
PROCESSORS = dynamic_import(get_thumbnail_setting("PROCESSORS"))
VALID_OPTIONS = get_valid_options(PROCESSORS)
class ThumbnailTest(BaseTest):
def testThumbnails(self):
# Thumbnail
thumb = Thumbnail(source=PIC_NAME, dest=THUMB_NAME % 1, requested_size=(240, 240))
self.verify_thumbnail((240, 180), thumb)
# Cropped thumbnail
thumb = Thumbnail(source=PIC_NAME, dest=THUMB_NAME % 2, requested_size=(240, 240), opts=["crop"])
self.verify_thumbnail((240, 240), thumb)
# Thumbnail with altered JPEG quality
thumb = Thumbnail(source=PIC_NAME, dest=THUMB_NAME % 3, requested_size=(240, 240), quality=95)
self.verify_thumbnail((240, 180), thumb)
