+++ /dev/null
-import os
-
-from django.conf import settings
-from django.utils.encoding import iri_to_uri, force_unicode
-
-from sorl.thumbnail.base import Thumbnail
-from sorl.thumbnail.processors import dynamic_import
-from sorl.thumbnail import defaults
-
-
-def get_thumbnail_setting(setting, override=None):
- """
- Get a thumbnail setting from Django settings module, falling back to the
- default.
-
- If override is not None, it will be used instead of the setting.
- """
- if override is not None:
- return override
- if hasattr(settings, 'THUMBNAIL_%s' % setting):
- return getattr(settings, 'THUMBNAIL_%s' % setting)
- else:
- return getattr(defaults, setting)
-
-
-def build_thumbnail_name(source_name, size, options=None,
- quality=None, basedir=None, subdir=None, prefix=None,
- extension=None):
- quality = get_thumbnail_setting('QUALITY', quality)
- basedir = get_thumbnail_setting('BASEDIR', basedir)
- subdir = get_thumbnail_setting('SUBDIR', subdir)
- prefix = get_thumbnail_setting('PREFIX', prefix)
- extension = get_thumbnail_setting('EXTENSION', extension)
- path, filename = os.path.split(source_name)
- basename, ext = os.path.splitext(filename)
- name = '%s%s' % (basename, ext.replace(os.extsep, '_'))
- size = '%sx%s' % tuple(size)
-
- # Handle old list format for opts.
- options = options or {}
- if isinstance(options, (list, tuple)):
- options = dict([(opt, None) for opt in options])
-
- opts = options.items()
- opts.sort() # options are sorted so the filename is consistent
- opts = ['%s_' % (v is not None and '%s-%s' % (k, v) or k)
- for k, v in opts]
- opts = ''.join(opts)
- extension = extension and '.%s' % extension
- thumbnail_filename = '%s%s_%s_%sq%s%s' % (prefix, name, size, opts,
- quality, extension)
- return os.path.join(basedir, path, subdir, thumbnail_filename)
-
-
-class DjangoThumbnail(Thumbnail):
- imagemagick_file_types = get_thumbnail_setting('IMAGEMAGICK_FILE_TYPES')
-
- def __init__(self, relative_source, requested_size, opts=None,
- quality=None, basedir=None, subdir=None, prefix=None,
- relative_dest=None, processors=None, extension=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:
- relative_dest = \
- self._get_relative_thumbnail(relative_source, basedir=basedir,
- subdir=subdir, prefix=prefix,
- extension=extension)
- filelike = not isinstance(relative_dest, basestring)
- if filelike:
- self.dest = relative_dest
- else:
- self.dest = self._absolute_path(relative_dest)
-
- # Call generate now that the dest attribute has been set
- self.generate()
-
- # Set the relative & absolute url to the thumbnail
- if not filelike:
- self.relative_url = \
- iri_to_uri('/'.join(relative_dest.split(os.sep)))
- self.absolute_url = '%s%s' % (settings.MEDIA_URL,
- self.relative_url)
-
- def _get_relative_thumbnail(self, relative_source,
- basedir=None, subdir=None, prefix=None,
- extension=None):
- """
- Returns the thumbnail filename including relative path.
- """
- return build_thumbnail_name(relative_source, self.requested_size,
- self.opts, self.quality, basedir, subdir,
- prefix, extension)
-
- def _absolute_path(self, filename):
- absolute_filename = os.path.join(settings.MEDIA_ROOT, filename)
- return absolute_filename.encode(settings.FILE_CHARSET)
-
- def __unicode__(self):
- return self.absolute_url
fnp / redakcja.git / blobdiff