X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/717c14c014e3c988bcb392599a47ffa92630da78..43116c58e5c56f94ef358a5a17fb13a252e02531:/apps/filebrowser/functions.py diff --git a/apps/filebrowser/functions.py b/apps/filebrowser/functions.py deleted file mode 100755 index cef9dcd9..00000000 --- a/apps/filebrowser/functions.py +++ /dev/null @@ -1,312 +0,0 @@ -# coding: utf-8 - -from django.utils.translation import ugettext as _ -from django.utils.safestring import mark_safe -from time import gmtime, strftime, localtime, mktime, time -from django.core.files import File -from django.core.files.storage import default_storage -import os, re, decimal -from urlparse import urlparse - -# filebrowser imports -from filebrowser.fb_settings import * - -# PIL import -if STRICT_PIL: - from PIL import Image -else: - try: - from PIL import Image - except ImportError: - import Image - - -def _url_to_path(value): - """ - Change URL to PATH. - Value has to be an URL relative to MEDIA URL or a full URL (including MEDIA_URL). - - Returns a PATH relative to MEDIA_ROOT. - """ - mediaurl_re = re.compile(r'^(%s)' % (MEDIA_URL)) - value = mediaurl_re.sub('', value) - return value - - -def _path_to_url(value): - """ - Change PATH to URL. - Value has to be a PATH relative to MEDIA_ROOT. - - Return an URL relative to MEDIA_ROOT. - """ - mediaroot_re = re.compile(r'^(%s)' % (MEDIA_ROOT)) - value = mediaroot_re.sub('', value) - return _url_join(MEDIA_URL, value) - - -def _dir_from_url(value): - """ - Get the relative server directory from a URL. - URL has to be an absolute URL including MEDIA_URL or - an URL relative to MEDIA_URL. - """ - - mediaurl_re = re.compile(r'^(%s)' % (MEDIA_URL)) - value = mediaurl_re.sub('', value) - directory_re = re.compile(r'^(%s)' % (DIRECTORY)) - value = directory_re.sub('', value) - return os.path.split(value)[0] - - -def _get_version_path(value, version_prefix): - """ - Construct the PATH to an Image version. - Value has to be server-path, relative to MEDIA_ROOT. - - version_filename = filename + version_prefix + ext - Returns a path relative to MEDIA_ROOT. - """ - if os.path.isfile(os.path.join(MEDIA_ROOT, value)): - path, filename = os.path.split(value) - filename, ext = os.path.splitext(filename) - version_filename = filename + "_" + version_prefix + ext - return os.path.join(VERSIONS_BASEDIR, path, version_filename) - else: - return None - - -def _sort_by_attr(seq, attr): - """ - Sort the sequence of objects by object's attribute - - Arguments: - seq - the list or any sequence (including immutable one) of objects to sort. - attr - the name of attribute to sort by - - Returns: - the sorted list of objects. - """ - import operator - - # Use the "Schwartzian transform" - # Create the auxiliary list of tuples where every i-th tuple has form - # (seq[i].attr, i, seq[i]) and sort it. The second item of tuple is needed not - # only to provide stable sorting, but mainly to eliminate comparison of objects - # (which can be expensive or prohibited) in case of equal attribute values. - intermed = map(None, map(getattr, seq, (attr,)*len(seq)), xrange(len(seq)), seq) - intermed.sort() - return map(operator.getitem, intermed, (-1,) * len(intermed)) - - -def _url_join(*args): - if args[0].startswith("http://"): - url = "http://" - else: - url = "/" - for arg in args: - arg = str(arg).replace("\\", "/") - arg_split = arg.split("/") - for elem in arg_split: - if elem != "" and elem != "http:": - url = url + elem + "/" - # remove trailing slash for filenames - if os.path.splitext(args[-1])[1]: - url = url.rstrip("/") - return url - - -def _get_path(path): - """ - Get Path. - """ - - if os.path.isabs(path) or not os.path.isdir(os.path.join(MEDIA_ROOT, DIRECTORY, path)): - return None - return path - - -def _get_file(path, filename): - """ - Get File. - """ - - if not os.path.isfile(os.path.join(MEDIA_ROOT, DIRECTORY, path, filename)) and not os.path.isdir(os.path.join(MEDIA_ROOT, DIRECTORY, path, filename)): - return None - return filename - - -def _get_breadcrumbs(query, path, title): - """ - Get breadcrumbs. - """ - - breadcrumbs = [] - dir_query = "" - if path: - for item in path.split(os.sep): - dir_query = os.path.join(dir_query,item) - breadcrumbs.append([item,dir_query]) - if title: - breadcrumbs.append([title,'']) - return breadcrumbs - - -def _get_filterdate(filterDate, dateTime): - """ - Get filterdate. - """ - - returnvalue = '' - dateYear = strftime("%Y", gmtime(dateTime)) - dateMonth = strftime("%m", gmtime(dateTime)) - dateDay = strftime("%d", gmtime(dateTime)) - if filterDate == 'today' and int(dateYear) == int(localtime()[0]) and int(dateMonth) == int(localtime()[1]) and int(dateDay) == int(localtime()[2]): returnvalue = 'true' - elif filterDate == 'thismonth' and dateTime >= time()-2592000: returnvalue = 'true' - elif filterDate == 'thisyear' and int(dateYear) == int(localtime()[0]): returnvalue = 'true' - elif filterDate == 'past7days' and dateTime >= time()-604800: returnvalue = 'true' - elif filterDate == '': returnvalue = 'true' - return returnvalue - - -def _get_settings_var(): - """ - Get settings variables used for FileBrowser listing. - """ - - settings_var = {} - # Main - settings_var['DEBUG'] = DEBUG - settings_var['MEDIA_ROOT'] = MEDIA_ROOT - settings_var['MEDIA_URL'] = MEDIA_URL - settings_var['DIRECTORY'] = DIRECTORY - # FileBrowser - settings_var['URL_FILEBROWSER_MEDIA'] = URL_FILEBROWSER_MEDIA - settings_var['PATH_FILEBROWSER_MEDIA'] = PATH_FILEBROWSER_MEDIA - # TinyMCE - settings_var['URL_TINYMCE'] = URL_TINYMCE - settings_var['PATH_TINYMCE'] = PATH_TINYMCE - # Extensions/Formats (for FileBrowseField) - settings_var['EXTENSIONS'] = EXTENSIONS - settings_var['SELECT_FORMATS'] = SELECT_FORMATS - # Versions - settings_var['VERSIONS_BASEDIR'] = VERSIONS_BASEDIR - settings_var['VERSIONS'] = VERSIONS - settings_var['ADMIN_VERSIONS'] = ADMIN_VERSIONS - settings_var['ADMIN_THUMBNAIL'] = ADMIN_THUMBNAIL - # FileBrowser Options - settings_var['MAX_UPLOAD_SIZE'] = MAX_UPLOAD_SIZE - # Convert Filenames - settings_var['CONVERT_FILENAME'] = CONVERT_FILENAME - return settings_var - - -def _handle_file_upload(path, file): - """ - Handle File Upload. - """ - - file_path = os.path.join(path, file.name) - uploadedfile = default_storage.save(file_path, file) - return uploadedfile - - -def _get_file_type(filename): - """ - Get file type as defined in EXTENSIONS. - """ - - file_extension = os.path.splitext(filename)[1].lower() - file_type = '' - for k,v in EXTENSIONS.iteritems(): - for extension in v: - if file_extension == extension.lower(): - file_type = k - return file_type - - -def _is_selectable(filename, selecttype): - """ - Get select type as defined in FORMATS. - """ - - file_extension = os.path.splitext(filename)[1].lower() - select_types = [] - for k,v in SELECT_FORMATS.iteritems(): - for extension in v: - if file_extension == extension.lower(): - select_types.append(k) - return select_types - - -def _version_generator(value, version_prefix, force=None): - """ - Generate Version for an Image. - value has to be a serverpath relative to MEDIA_ROOT. - """ - - # PIL's Error "Suspension not allowed here" work around: - # s. http://mail.python.org/pipermail/image-sig/1999-August/000816.html - if STRICT_PIL: - from PIL import ImageFile - else: - try: - from PIL import ImageFile - except ImportError: - import ImageFile - ImageFile.MAXBLOCK = IMAGE_MAXBLOCK # default is 64k - - try: - im = Image.open(os.path.join(MEDIA_ROOT, value)) - version_path = _get_version_path(value, version_prefix) - absolute_version_path = os.path.join(MEDIA_ROOT, version_path) - version_dir = os.path.split(absolute_version_path)[0] - if not os.path.isdir(version_dir): - os.makedirs(version_dir) - os.chmod(version_dir, 0775) - version = scale_and_crop(im, VERSIONS[version_prefix]['width'], VERSIONS[version_prefix]['height'], VERSIONS[version_prefix]['opts']) - try: - version.save(absolute_version_path, quality=90, optimize=1) - except IOError: - version.save(absolute_version_path, quality=90) - return version_path - except: - return None - - -def scale_and_crop(im, width, height, opts): - x, y = [float(v) for v in im.size] - if width: - xr = float(width) - else: - xr = float(x*height/y) - if height: - yr = float(height) - else: - yr = float(y*width/x) - - if 'crop' in opts: - r = max(xr/x, yr/y) - else: - r = min(xr/x, yr/y) - - if r < 1.0 or (r > 1.0 and 'upscale' in opts): - im = im.resize((int(x*r), int(y*r)), resample=Image.ANTIALIAS) - - if 'crop' in opts: - x, y = [float(v) for v in im.size] - ex, ey = (x-min(x, xr))/2, (y-min(y, yr))/2 - if ex or ey: - im = im.crop((int(ex), int(ey), int(x-ex), int(y-ey))) - return im -scale_and_crop.valid_options = ('crop', 'upscale') - - -def _convert_filename(value): - if CONVERT_FILENAME: - return value.replace(" ", "_").lower() - else: - return value - - -