def process_attachment(attachment):
"""will save a single
attachment and return
link to file in the markdown format and the
file storage object
"""
file_storage, file_name, file_url = store_file(attachment)
markdown_link = '[%s](%s) ' % (attachment.name, file_url)
file_extension = os.path.splitext(attachment.name)[1]
#todo: this is a hack - use content type
if file_extension.lower() in ('.png', '.jpg', '.jpeg', '.gif'):
markdown_link = '!' + markdown_link
return markdown_link, file_storage
def process_attachment(attachment):
"""will save a single
attachment and return
link to file in the markdown format and the
file storage object
"""
file_storage, file_name, file_url = store_file(attachment)
markdown_link = '[%s](%s) ' % (attachment.name, file_url)
file_extension = os.path.splitext(attachment.name)[1]
#todo: this is a hack - use content type
if file_extension.lower() in ('.png', '.jpg', '.jpeg', '.gif'):
markdown_link = '!' + markdown_link
return markdown_link, file_storage
def upload(request): # ajax upload file to a question or answer
"""view that handles file upload via Ajax
"""
# check upload permission
result = ''
error = ''
new_file_name = ''
try:
#may raise exceptions.PermissionDenied
if request.user.is_anonymous():
msg = _('Sorry, anonymous users cannot upload files')
raise exceptions.PermissionDenied(msg)
request.user.assert_can_upload_file()
#todo: build proper form validation
file_name_prefix = request.POST.get('file_name_prefix', '')
if file_name_prefix not in ('', 'organization_logo_'):
raise exceptions.PermissionDenied('invalid upload file name prefix')
#todo: check file type
f = request.FILES['file-upload'] # take first file
#todo: extension checking should be replaced with mimetype checking
#and this must be part of the form validation
file_extension = os.path.splitext(f.name)[1].lower()
if not file_extension in settings.OPENODE_ALLOWED_UPLOAD_FILE_TYPES:
file_types = "', '".join(settings.OPENODE_ALLOWED_UPLOAD_FILE_TYPES)
msg = _("allowed file types are '%(file_types)s'") % \
{'file_types': file_types}
raise exceptions.PermissionDenied(msg)
# generate new file name and storage object
file_storage, new_file_name, file_url = store_file(
f, file_name_prefix
)
# create document to document storage
document = Document.objects.create(
author=request.user,
)
dr = document.revisions.create(
author=request.user,
file_data=f,
original_filename=new_file_name.replace(file_extension, ""),
suffix=file_extension.replace(".", ""),
filename_slug=sanitize_file_name(new_file_name),
)
file_url = dr.file_data.url
file_storage.delete(new_file_name)
# # check file size
# # byte
# size = file_storage.size(new_file_name)
# if size > settings.OPENODE_MAX_UPLOAD_FILE_SIZE:
# file_storage.delete(new_file_name)
# msg = _("maximum upload file size is %(file_size)sK") % \
# {'file_size': settings.OPENODE_MAX_UPLOAD_FILE_SIZE}
# raise exceptions.PermissionDenied(msg)
except exceptions.PermissionDenied, e:
error = unicode(e)