+# 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
+
+
+
fnp / redakcja.git / blobdiff