def thumb_url(image, request, size):
"""
Return the url for displaying the image with dimensions bounded by given
size.
"""
assert IImage.providedBy(image), "Cannot take thumbnail of non-image."
return resource_url(image, request, 'thumb', '%dx%d.jpg' % size)
def thumb_url(image, request, size):
"""
Return the url for displaying the image with dimensions bounded by given
size.
"""
assert IImage.providedBy(image), "Cannot take thumbnail of non-image."
return model_url(image, request, 'thumb', '%dx%d.jpg' % size)
def thumbnail_view(context, request):
assert IImage.providedBy(context), "Context must be an image."
filename = request.subpath[0] # <width>x<length>.jpg
size = map(int, filename[:-4].split('x'))
thumb = context.thumbnail(tuple(size))
# XXX Allow browser caching be setting Last-modified and Expires
# and respecting If-Modified-Since requests with 302 responses.
data = thumb.blobfile.open().read()
return Response(body=data, content_type=thumb.mimetype)
def thumb_url(image, request, size):
"""
Return the url for displaying the image with dimensions bounded by given
size.
"""
from karl.views.api import TemplateAPI # avoid circref
if not IImage.providedBy(image):
api = TemplateAPI(image, request, '')
return api.static_url + "/images/brokenImage.gif"
return resource_url(image, request, 'thumb', '%dx%d.jpg' % size)
def thumb_url(image, request, size):
"""
Return the url for displaying the image with dimensions bounded by given
size.
"""
from karl.views.api import TemplateAPI # avoid circref
if not IImage.providedBy(image):
api = TemplateAPI(image, request, '')
return api.static_url + "/images/brokenImage.gif"
return resource_url(image, request, 'thumb', '%dx%d.jpg' % size)
def test_jpg(self):
from karl.content.interfaces import IImage
from pkg_resources import resource_stream
stream = resource_stream('karl.content.models.tests', 'test.jpg')
o = self._makeOne(stream=stream, mimetype='image/jpeg')
self.failUnless(o.is_image)
self.failUnless(IImage.providedBy(o))
self.assertEqual(o.image_size, (390, 569))
self.assertEqual(o.image().size, (390, 569))
from zope.interface.verify import verifyObject
verifyObject(IImage, o)
def test_instance_has_valid_construction(self):
instance = self._makeOne()
self.assertEqual(instance.title, u'title')
self.assertEqual(instance.creator, u'admin')
self.assertEqual(instance.modified_by, u'admin')
self.assertEqual(instance.blobfile.open().read(), 'FAKECONTENT')
self.assertEqual(instance.size, 11)
self.assertEqual(instance.mimetype, 'text/plain')
self.assertEqual(instance.filename, 'afile.txt')
self.failIf(instance.is_image)
from karl.content.interfaces import IImage
self.failIf(IImage.providedBy(instance))
def test_jpg(self):
from karl.content.interfaces import IImage
from pkg_resources import resource_stream
stream = resource_stream('karl.content.models.tests', 'test.jpg')
o = self._makeOne(stream=stream, mimetype='image/jpeg')
self.failUnless(o.is_image)
self.failUnless(IImage.providedBy(o))
self.assertEqual(o.image_size, (390, 569))
self.assertEqual(o.image().size, (390, 569))
from zope.interface.verify import verifyObject
verifyObject(IImage, o)
return o
def test_instance_has_valid_construction(self):
instance = self._makeOne()
self.assertEqual(instance.title, u'title')
self.assertEqual(instance.creator, u'admin')
self.assertEqual(instance.modified_by, u'admin')
self.assertEqual(instance.blobfile.open().read(), 'FAKECONTENT')
self.assertEqual(instance.size, 11)
self.assertEqual(instance.mimetype, 'text/plain')
self.assertEqual(instance.filename, 'afile.txt')
self.failIf(instance.is_image)
from karl.content.interfaces import IImage
self.failIf(IImage.providedBy(instance))
def vocabulary_view(context, request):
try:
attributes = json.loads(request.params.get('attributes', '["title", "id"]'))
except:
attributes = ['title', 'id']
if 'UID' in attributes:
# always put in anyways
attributes.remove('UID')
try:
batch = json.loads(request.params.get('batch'))
except:
batch = DEFAULT_BATCH
query = normalize_query(json.loads(request.params['query']))
criteria = parse_query(query)
resolver = ResovlerFactory(context)
if 'UID' in query:
docids = query['UID']
if type(docids) not in (list, tuple):
docids = [docids]
# convert to ints
new_docids = []
for docid in docids:
try:
new_docids.append(int(docid))
except:
pass
docids = new_docids
numdocs = len(docids)
else:
criteria.append(Any('allowed', effective_principals(request)))
if 'title' not in query:
# we default to requiring a title in these results or
# else we get a bunch of junky results
criteria.append(NotEq('title', ''))
catalog = find_catalog(context)
numdocs, docids = catalog.query(And(*criteria))
if batch and ('size' not in batch or 'page' not in batch):
batch = DEFAULT_BATCH
if batch:
# must be slicable for batching support
page = int(batch['page'])
# page is being passed in is 1-based
start = (max(page - 1, 0)) * int(batch['size'])
end = start + int(batch['size'])
# Try __getitem__-based slice, then iterator slice.
# The iterator slice has to consume the iterator through
# to the desired slice, but that shouldn't be the end
# of the world because at some point the user will hopefully
# give up scrolling and search instead.
try:
docids = docids[start:end]
except TypeError:
docids = itertools.islice(docids, start, end)
# build result items
items = []
for docid in docids:
result = resolver(docid)
if result is None:
continue
data = {
'UID': docid
}
for attribute in attributes:
attr = attribute
if attribute in _attribute_mapping:
attr = _attribute_mapping[attribute]
if attr in ('Type', 'portal_type'):
value = 'Page'
if IImage.providedBy(result):
value = 'Image'
elif ICommunityFile.providedBy(result):
value = 'File'
elif IFolder.providedBy(result):
value = 'Folder'
elif attr == 'getURL':
value = resource_url(result, request)
elif attr == 'path':
# a bit weird here...
value = resource_path(result, request).split('/GET')[0]
else:
value = getattr(result, attr, None)
data[attribute] = value
items.append(data)
return {
'results': items,
'total': numdocs
}
def drawer_upload_view(context, request,
check_upload_size=check_upload_size,
get_image_info=get_image_info,
batch_images=batch_images,
):
"""Drawer posts a file with the parameter name "file".
"""
## XXX The rest is copied from add_file_view. A common denominator
## would be desirable.
creator = authenticated_userid(request)
fieldstorage = request.params.get('file')
if not hasattr(fieldstorage, 'filename'):
msg = 'You must select a file before clicking Upload.'
return dict(error = msg)
# For file objects, OSI's policy is to store the upload file's
# filename as the objectid, instead of basing __name__ on the
# title field).
filename = basename_of_filepath(fieldstorage.filename)
stream = fieldstorage.file
# use parameter, as the title (or basename, if missing).
title = request.params.get('title', filename)
image = create_content(ICommunityFile,
title=title,
stream=stream,
mimetype=get_upload_mimetype(fieldstorage),
filename=fieldstorage.filename,
creator=creator,
)
# Check if it's an image.
if not IImage.providedBy(image):
msg = 'File %s is not an image' % filename
return dict(error=msg)
check_upload_size(context, image, 'file')
if hasattr(context, 'get_attachments'):
target_folder = context.get_attachments()
if not has_permission('create', target_folder, request):
msg = 'You do not have permission to upload files here.'
return dict(error=msg)
image.filename = filename
name = make_name(target_folder, filename, raise_error=False)
if not name:
msg = 'The filename must not be empty'
return dict(error=msg)
# Is there a key in context with that filename?
if name in target_folder:
msg = 'Filename %s already exists in this folder' % filename
return dict(error=msg)
target_folder[name] = image
workflow = get_workflow(ICommunityFile, 'security', context)
if workflow is not None:
workflow.initialize(image)
# In cases where the image is to live in a piece of content which has not
# yet been created (like when using an 'Add' form), the context is going
# to be the eventual parent of the not yet created content, which will be
# the eventual parent of the just now created image. Since we have nowhere
# to put the image, we put it in a tempfolder and later move it over after
# the content is created. Normal ContentAdded event handlers are not
# called at this stage and workflow is not yet initialized. These will
# occur when the content is moved over.
else:
image.modified = datetime.datetime.now()
tempfolder = find_tempfolder(context)
tempfolder.add_document(image)
# Return info about the image uploaded
return dict(
upload_image_info=get_image_info(image, request, thumb_size=LARGE_THUMB_SIZE),
)
def batch_images(context, request,
get_image_info=get_image_info, # unittest
get_images_batch=get_images_batch): # unittest
include_image_url = request.params.get('include_image_url', None)
# include_image_url is a special case.
include_info = None
if include_image_url is not None:
# Note, we must use the path only, as IE submits the full domain
# and without the next line IE would fail.
path = urlparse.urlparse(include_image_url)[2]
include_context = traverse(context, path)['context']
if IImage.providedBy(include_context):
# We have a good image to include.
include_info = get_image_info(include_context, request)
# Find query parameters based on the 'source' param,
# which signifies the selection index of the source button
# in the imagedrawer dialog.
source = request.params.get('source')
assert source in ('myrecent', 'thiscommunity', 'allkarl')
if source == 'myrecent':
creator = authenticated_userid(request)
community_path = None
elif source == 'thiscommunity':
creator = None
community = find_community(context)
# batching api requires the community path
community_path = resource_path(community)
else: # All Karl
creator = None
community_path = None
# batching
# Decide start and size here, don't let the lower levels
# apply their default. This allows us to enforce
# a MINIMAL_BATCH size.
batch_start = int(request.params.get('start', '0'))
batch_size = int(request.params.get('limit', '0'))
# there is a minimal batch size to enforce, if the client
# does not ask for one
# Just pass the values to lower levels where sensible
# defaults will be applied.
sort_index = request.params.get('sort_on', None)
reverse = request.params.get('reverse', None)
# XXX include_image will now be inserted in the first
# position, as extra image.
insert_extra = False
if include_info is not None:
if batch_start == 0:
batch_size -= 1
insert_extra = True
else:
batch_start -= 1
# Enforce the minimal batch size
batch_size = max(batch_size, MINIMAL_BATCH)
search_params = dict(
creator=creator,
community=community_path,
batch_start=batch_start,
batch_size=batch_size,
)
if sort_index:
search_params['sort_index'] = sort_index
if reverse:
search_params['reverse'] = bool(int(reverse))
batch_info = get_images_batch(
context,
request,
**search_params
)
records = [get_image_info(image, request)
for image in batch_info['entries']]
start = batch_info['batch_start']
totalRecords = batch_info['total']
# add the fake included image
if include_info is not None:
totalRecords += 1
if insert_extra:
records.insert(0, include_info)
else:
start += 1
return dict(
records = records,
start = start,
totalRecords = totalRecords,
)
def drawer_upload_view(context, request,
check_upload_size=check_upload_size,
get_image_info=get_image_info,
batch_images=batch_images,
):
"""Drawer posts a file with the parameter name "file".
"""
## XXX The rest is copied from add_file_view. A common denominator
## would be desirable.
creator = authenticated_userid(request)
fieldstorage = request.params.get('file')
if not hasattr(fieldstorage, 'filename'):
msg = 'You must select a file before clicking Upload.'
return dict(error = msg)
# For file objects, OSI's policy is to store the upload file's
# filename as the objectid, instead of basing __name__ on the
# title field).
filename = basename_of_filepath(fieldstorage.filename)
stream = fieldstorage.file
# use parameter, as the title (or basename, if missing).
title = request.params.get('title', filename)
image = create_content(ICommunityFile,
title=title,
stream=stream,
mimetype=get_upload_mimetype(fieldstorage),
filename=fieldstorage.filename,
creator=creator,
)
# Check if it's an image.
if not IImage.providedBy(image):
msg = 'File %s is not an image' % filename
return dict(error=msg)
check_upload_size(context, image, 'file')
if hasattr(context, 'get_attachments'):
target_folder = context.get_attachments()
if not has_permission('create', target_folder, request):
msg = 'You do not have permission to upload files here.'
return dict(error=msg)
image.filename = filename
name = make_name(target_folder, filename, raise_error=False)
if not name:
msg = 'The filename must not be empty'
return dict(error=msg)
# Is there a key in context with that filename?
if name in target_folder:
msg = 'Filename %s already exists in this folder' % filename
return dict(error=msg)
target_folder[name] = image
workflow = get_workflow(ICommunityFile, 'security', context)
if workflow is not None:
workflow.initialize(image)
# In cases where the image is to live in a piece of content which has not
# yet been created (like when using an 'Add' form), the context is going
# to be the eventual parent of the not yet created content, which will be
# the eventual parent of the just now created image. Since we have nowhere
# to put the image, we put it in a tempfolder and later move it over after
# the content is created. Normal ContentAdded event handlers are not
# called at this stage and workflow is not yet initialized. These will
# occur when the content is moved over.
else:
image.modified = datetime.datetime.now()
tempfolder = find_tempfolder(context)
tempfolder.add_document(image)
# Return info about the image uploaded
return dict(
upload_image_info=get_image_info(image, request, thumb_size=LARGE_THUMB_SIZE),
)
def batch_images(context, request,
get_image_info=get_image_info, # unittest
get_images_batch=get_images_batch): # unittest
include_image_url = request.params.get('include_image_url', None)
# include_image_url is a special case.
include_info = None
if include_image_url is not None:
# Note, we must use the path only, as IE submits the full domain
# and without the next line IE would fail.
path = urlparse.urlparse(include_image_url)[2]
include_context = traverse(context, path)['context']
if IImage.providedBy(include_context):
# We have a good image to include.
include_info = get_image_info(include_context, request)
# Find query parameters based on the 'source' param,
# which signifies the selection index of the source button
# in the imagedrawer dialog.
source = request.params.get('source')
assert source in ('myrecent', 'thiscommunity', 'allkarl')
if source == 'myrecent':
creator = authenticated_userid(request)
community_path = None
elif source == 'thiscommunity':
creator = None
community = find_community(context)
# batching api requires the community path
community_path = resource_path(community)
else: # All Karl
creator = None
community_path = None
# batching
# Decide start and size here, don't let the lower levels
# apply their default. This allows us to enforce
# a MINIMAL_BATCH size.
batch_start = int(request.params.get('start', '0'))
batch_size = int(request.params.get('limit', '0'))
# there is a minimal batch size to enforce, if the client
# does not ask for one
# Just pass the values to lower levels where sensible
# defaults will be applied.
sort_index = request.params.get('sort_on', None)
reverse = request.params.get('reverse', None)
# XXX include_image will now be inserted in the first
# position, as extra image.
insert_extra = False
if include_info is not None:
if batch_start == 0:
batch_size -= 1
insert_extra = True
else:
batch_start -= 1
# Enforce the minimal batch size
batch_size = max(batch_size, MINIMAL_BATCH)
search_params = dict(
creator=creator,
community=community_path,
batch_start=batch_start,
batch_size=batch_size,
)
if sort_index:
search_params['sort_index'] = sort_index
if reverse:
search_params['reverse'] = bool(int(reverse))
batch_info = get_images_batch(
context,
request,
**search_params
)
records = [get_image_info(image, request)
for image in batch_info['entries']]
start = batch_info['batch_start']
totalRecords = batch_info['total']
# add the fake included image
if include_info is not None:
totalRecords += 1
if insert_extra:
records.insert(0, include_info)
else:
start += 1
return dict(
records = records,
start = start,
totalRecords = totalRecords,
)
