def bfile_download(context, path, REQUEST):
"""
Perform a download of `context` (must be instance of NyBFile).
This function should be used as the callback for CaptureTraverse;
`path` will be the captured path for download. We only care about
the first component, which should be the version requeseted for
download.
* `action` in GET == "view" indicates opening file in browser
default value is "download" (optional)
"""
if (not path) or (path and path[0] == 'index_html'):
ver = context.current_version
else:
try:
ver_number = int(path[0]) - 1
if ver_number < 0:
raise IndexError
ver = context._versions[ver_number]
if ver.removed:
raise IndexError
except (IndexError, ValueError):
raise NotFound
RESPONSE = REQUEST.RESPONSE
action = REQUEST.form.get('action', 'download')
if action == 'view':
view_adapter = get_view_adapter(ver)
context.notify_access_event(REQUEST)
if view_adapter is not None:
return view_adapter(context)
return ver.send_data(RESPONSE, as_attachment=False, REQUEST=REQUEST)
elif action == 'download':
context.notify_access_event(REQUEST, 'download')
if not path:
return ver.send_data(RESPONSE, set_filename=True, REQUEST=REQUEST)
else:
return ver.send_data(RESPONSE, set_filename=False, REQUEST=REQUEST)
else:
raise NotFound
"""
try:
ver_number = int(path[0]) - 1
if ver_number < 0:
raise IndexError
ver = context._versions[ver_number]
if ver.removed:
raise IndexError
except (IndexError, ValueError), e:
raise NotFound
RESPONSE = REQUEST.RESPONSE
action = REQUEST.form.get('action', 'download')
if action == 'view':
view_adapter = get_view_adapter(ver)
context.notify_access_event(REQUEST)
if view_adapter is not None:
return view_adapter(context)
return ver.send_data(RESPONSE, as_attachment=False, REQUEST=REQUEST)
elif action == 'download':
context.notify_access_event(REQUEST, 'download')
return ver.send_data(RESPONSE, set_filename=False, REQUEST=REQUEST)
else:
raise NotFound
class NyBFile(NyContentData, NyAttributes, NyItem, NyCheckControl, NyValidation, NyContentType):
""" """
implements(INyBFile)
meta_type = config['meta_type']
