X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/42faac096df5479bd7747d9068eb88d1410d6d34..aa021ad04c81969c58558343fb1ff2409c82563e:/apps/sorl/thumbnail/utils.py

diff --git a/apps/sorl/thumbnail/utils.py b/apps/sorl/thumbnail/utils.py
deleted file mode 100644
index 18b18b0b..00000000
--- a/apps/sorl/thumbnail/utils.py
+++ /dev/null
@@ -1,170 +0,0 @@
-import math
-import os
-import re
-
-
-re_thumbnail_file = re.compile(r'(?P<source_filename>.+)_(?P<x>\d+)x(?P<y>\d+)'
-                               r'(?:_(?P<options>\w+))?_q(?P<quality>\d+)'
-                               r'(?:.[^.]+)?$')
-re_new_args = re.compile('(?<!quality)=')
-
-
-def all_thumbnails(path, recursive=True, prefix=None, subdir=None):
-    """
-    Return a dictionary referencing all files which match the thumbnail format.
-
-    Each key is a source image filename, relative to path.
-    Each value is a list of dictionaries as explained in `thumbnails_for_file`.
-    """
-    # Fall back to using thumbnail settings. These are local imports so that
-    # there is no requirement of Django to use the utils module.
-    if prefix is None:
-        from sorl.thumbnail.main import get_thumbnail_setting
-        prefix = get_thumbnail_setting('PREFIX')
-    if subdir is None:
-        from sorl.thumbnail.main import get_thumbnail_setting
-        subdir = get_thumbnail_setting('SUBDIR')
-    thumbnail_files = {}
-    if not path.endswith('/'):
-        path = '%s/' % path
-    len_path = len(path)
-    if recursive:
-        all = os.walk(path)
-    else:
-        files = []
-        for file in os.listdir(path):
-            if os.path.isfile(os.path.join(path, file)):
-                files.append(file)
-        all = [(path, [], files)]
-    for dir_, subdirs, files in all:
-        rel_dir = dir_[len_path:]
-        for file in files:
-            thumb = re_thumbnail_file.match(file)
-            if not thumb:
-                continue
-            d = thumb.groupdict()
-            source_filename = d.pop('source_filename')
-            if prefix:
-                source_path, source_filename = os.path.split(source_filename)
-                if not source_filename.startswith(prefix):
-                    continue
-                source_filename = os.path.join(source_path,
-                    source_filename[len(prefix):])
-            d['options'] = d['options'] and d['options'].split('_') or []
-            if subdir and rel_dir.endswith(subdir):
-                rel_dir = rel_dir[:-len(subdir)]
-            # Corner-case bug: if the filename didn't have an extension but did
-            # have an underscore, the last underscore will get converted to a
-            # '.'.
-            m = re.match(r'(.*)_(.*)', source_filename)
-            if m:
-                source_filename = '%s.%s' % m.groups()
-            filename = os.path.join(rel_dir, source_filename)
-            thumbnail_file = thumbnail_files.setdefault(filename, [])
-            d['filename'] = os.path.join(dir_, file)
-            thumbnail_file.append(d)
-    return thumbnail_files
-
-
-def thumbnails_for_file(relative_source_path, root=None, basedir=None,
-                        subdir=None, prefix=None):
-    """
-    Return a list of dictionaries, one for each thumbnail belonging to the
-    source image.
-
-    The following list explains each key of the dictionary:
-
-      `filename`  -- absolute thumbnail path
-      `x` and `y` -- the size of the thumbnail
-      `options`   -- list of options for this thumbnail
-      `quality`   -- quality setting for this thumbnail
-    """
-    # Fall back to using thumbnail settings. These are local imports so that
-    # there is no requirement of Django to use the utils module.
-    if root is None:
-        from django.conf import settings
-        root = settings.MEDIA_ROOT
-    if prefix is None:
-        from sorl.thumbnail.main import get_thumbnail_setting
-        prefix = get_thumbnail_setting('PREFIX')
-    if subdir is None:
-        from sorl.thumbnail.main import get_thumbnail_setting
-        subdir = get_thumbnail_setting('SUBDIR')
-    if basedir is None:
-        from sorl.thumbnail.main import get_thumbnail_setting
-        basedir = get_thumbnail_setting('BASEDIR')
-    source_dir, filename = os.path.split(relative_source_path)
-    thumbs_path = os.path.join(root, basedir, source_dir, subdir)
-    if not os.path.isdir(thumbs_path):
-        return []
-    files = all_thumbnails(thumbs_path, recursive=False, prefix=prefix,
-                           subdir='')
-    return files.get(filename, [])
-
-
-def delete_thumbnails(relative_source_path, root=None, basedir=None,
-                      subdir=None, prefix=None):
-    """
-    Delete all thumbnails for a source image.
-    """
-    thumbs = thumbnails_for_file(relative_source_path, root, basedir, subdir,
-                                 prefix)
-    return _delete_using_thumbs_list(thumbs)
-
-
-def _delete_using_thumbs_list(thumbs):
-    deleted = 0
-    for thumb_dict in thumbs:
-        filename = thumb_dict['filename']
-        try:
-            os.remove(filename)
-        except:
-            pass
-        else:
-            deleted += 1
-    return deleted
-
-
-def delete_all_thumbnails(path, recursive=True):
-    """
-    Delete all files within a path which match the thumbnails pattern.
-
-    By default, matching files from all sub-directories are also removed. To
-    only remove from the path directory, set recursive=False.
-    """
-    total = 0
-    for thumbs in all_thumbnails(path, recursive=recursive).values():
-        total += _delete_using_thumbs_list(thumbs)
-    return total
-
-
-def split_args(args):
-    """
-    Split a list of argument strings into a dictionary where each key is an
-    argument name.
-
-    An argument looks like ``crop``, ``crop="some option"`` or ``crop=my_var``.
-    Arguments which provide no value get a value of ``None``.
-    """
-    if not args:
-        return {}
-    # Handle the old comma separated argument format.
-    if len(args) == 1 and not re_new_args.search(args[0]):
-        args = args[0].split(',')
-    # Separate out the key and value for each argument.
-    args_dict = {}
-    for arg in args:
-        split_arg = arg.split('=', 1)
-        value = len(split_arg) > 1 and split_arg[1] or None
-        args_dict[split_arg[0]] = value
-    return args_dict
-
-
-def image_entropy(im):
-    """
-    Calculate the entropy of an image. Used for "smart cropping".
-    """
-    hist = im.histogram()
-    hist_size = float(sum(hist))
-    hist = [h / hist_size for h in hist]
-    return -sum([p * math.log(p, 2) for p in hist if p != 0])