def _create_download_response(request, datafile_id, disposition='attachment'):
# Get datafile (and return 404 if absent)
try:
datafile = Dataset_File.objects.get(pk=datafile_id)
except Dataset_File.DoesNotExist:
return return_response_not_found(request)
# Check users has access to datafile
if not has_datafile_download_access(request=request,
dataset_file_id=datafile.id):
return return_response_error(request)
# Send an image that can be seen in the browser
if disposition == 'inline' and datafile.is_image():
from tardis.tardis_portal.iiif import download_image
args = (request, datafile.id, 'full', 'full', '0', 'native')
# Send unconverted image if web-compatible
if datafile.get_mimetype() in ('image/gif', 'image/jpeg', 'image/png'):
return download_image(*args)
# Send converted image
return download_image(*args, format='png')
# Send local file
try:
# Get file object for datafile
file_obj = datafile.get_file()
if not file_obj:
# If file path doesn't resolve, return not found
return return_response_not_found(request)
wrapper = FileWrapper(file_obj)
response = HttpResponse(wrapper, mimetype=datafile.get_mimetype())
response['Content-Disposition'] = \
'%s; filename="%s"' % (disposition, datafile.filename)
return response
except IOError:
# If we can't read the file, return not found
return return_response_not_found(request)
def _create_download_response(request, datafile_id, disposition='attachment'):
# Get datafile (and return 404 if absent)
try:
datafile = Dataset_File.objects.get(pk=datafile_id)
except Dataset_File.DoesNotExist:
return return_response_not_found(request)
# Check users has access to datafile
if not has_datafile_download_access(request=request,
dataset_file_id=datafile.id):
return return_response_error(request)
# Send an image that can be seen in the browser
if disposition == 'inline' and datafile.is_image():
from tardis.tardis_portal.iiif import download_image
args = (request, datafile.id, 'full', 'full', '0', 'native')
# Send unconverted image if web-compatible
if datafile.get_mimetype() in ('image/gif', 'image/jpeg', 'image/png'):
return download_image(*args)
# Send converted image
return download_image(*args, format='png')
# Send local file
try:
# Get file object for datafile
file_obj = datafile.get_file()
if not file_obj:
# If file path doesn't resolve, return not found
return return_response_not_found(request)
wrapper = FileWrapper(file_obj)
response = HttpResponse(wrapper,
mimetype=datafile.get_mimetype())
response['Content-Disposition'] = \
'%s; filename="%s"' % (disposition, datafile.filename)
return response
except IOError:
# If we can't read the file, return not found
return return_response_not_found(request)
def _create_download_response(request, datafile_id, disposition='attachment'): # too complex # noqa
# Get datafile (and return 404 if absent)
try:
datafile = DataFile.objects.get(pk=datafile_id)
except DataFile.DoesNotExist:
return return_response_not_found(request)
# Check users has access to datafile
if not has_datafile_download_access(request=request,
datafile_id=datafile.id):
return return_response_error(request)
# Send an image that can be seen in the browser
if disposition == 'inline' and datafile.is_image():
from tardis.tardis_portal.iiif import download_image
args = (request, datafile.id, 'full', 'full', '0', 'native')
# Send unconverted image if web-compatible
if datafile.get_mimetype() in ('image/gif', 'image/jpeg', 'image/png'):
return download_image(*args)
# Send converted image
return download_image(*args, format='png')
# Send local file
try:
verified_only = True
# Query parameter to allow download of unverified files
ignore_verif = request.GET.get('ignore_verification_status', '0')
# Ensure ignore_verification_status=0 etc works as expected
# a bare ?ignore_verification_status is True
if ignore_verif.lower() in [u'', u'1', u'true']:
verified_only = False
# Get file object for datafile
file_obj = datafile.get_file(verified_only=verified_only)
if not file_obj:
# If file path doesn't resolve, return not found
if verified_only:
return render_error_message(request,
"File is unverified, "
"please try again later.",
status=503)
else:
return return_response_not_found(request)
wrapper = FileWrapper(file_obj, blksize=65535)
response = StreamingHttpResponse(wrapper,
content_type=datafile.get_mimetype())
response['Content-Disposition'] = \
'%s; filename="%s"' % (disposition, datafile.filename)
return response
except IOError:
# If we can't read the file, return not found
return return_response_not_found(request)
except ValueError: # raised when replica not verified TODO: custom excptn
redirect = request.META.get('HTTP_REFERER',
'http://%s/' %
request.META.get('HTTP_HOST'))
message = """The file you are trying to access has not yet been
verified. Verification is an automated background process.
Please try again later or contact the system
administrator if the issue persists."""
message = ' '.join(message.split()) # removes spaces
redirect = redirect + '#error:' + message
return HttpResponseRedirect(redirect)
def _create_download_response(request, datafile_id, disposition='attachment'): # too complex # noqa
# Get datafile (and return 404 if absent)
try:
datafile = DataFile.objects.get(pk=datafile_id)
except DataFile.DoesNotExist:
return return_response_not_found(request)
# Check users has access to datafile
if not has_datafile_download_access(request=request,
datafile_id=datafile.id):
return return_response_error(request)
# Send an image that can be seen in the browser
if disposition == 'inline' and datafile.is_image():
from tardis.tardis_portal.iiif import download_image
args = (request, datafile.id, 'full', 'full', '0', 'native')
# Send unconverted image if web-compatible
if datafile.get_mimetype() in ('image/gif', 'image/jpeg', 'image/png'):
return download_image(*args)
# Send converted image
return download_image(*args, format='png')
# Send local file
try:
verified_only = True
# Query parameter to allow download of unverified files
ignore_verif = request.GET.get('ignore_verification_status', '0')
# Ensure ignore_verification_status=0 etc works as expected
# a bare ?ignore_verification_status is True
if ignore_verif.lower() in [u'', u'1', u'true']:
verified_only = False
# Get file object for datafile
file_obj = datafile.get_file(verified_only=verified_only)
if not file_obj:
# If file path doesn't resolve, return not found
if verified_only:
return render_error_message(request,
"File is unverified, "
"please try again later.",
status=503)
else:
return return_response_not_found(request)
wrapper = FileWrapper(file_obj, blksize=65535)
response = StreamingHttpResponse(wrapper,
content_type=datafile.get_mimetype())
response['Content-Disposition'] = \
'%s; filename="%s"' % (disposition, datafile.filename)
return response
except IOError:
# If we can't read the file, return not found
return return_response_not_found(request)
except ValueError: # raised when replica not verified TODO: custom excptn
redirect = request.META.get('HTTP_REFERER',
'http://%s/' %
request.META.get('HTTP_HOST'))
message = """The file you are trying to access has not yet been
verified. Verification is an automated background process.
Please try again later or contact the system
administrator if the issue persists."""
message = ' '.join(message.split()) # removes spaces
redirect = redirect + '#error:' + message
return HttpResponseRedirect(redirect)
def _create_download_response(request, datafile_id, disposition='attachment'):
#import ipdb; ipdb.set_trace()
# Get datafile (and return 404 if absent)
try:
datafile = Dataset_File.objects.get(pk=datafile_id)
except Dataset_File.DoesNotExist:
return return_response_not_found(request)
# Check users has access to datafile
if not has_datafile_download_access(request=request,
dataset_file_id=datafile.id):
return return_response_error(request)
# Send an image that can be seen in the browser
if disposition == 'inline' and datafile.is_image():
from tardis.tardis_portal.iiif import download_image
args = (request, datafile.id, 'full', 'full', '0', 'native')
# Send unconverted image if web-compatible
if datafile.get_mimetype() in ('image/gif', 'image/jpeg', 'image/png'):
return download_image(*args)
# Send converted image
return download_image(*args, format='png')
# Send local file
try:
# Get file object for datafile
file_obj = datafile.get_file()
if not file_obj:
# If file path doesn't resolve, return not found
return return_response_not_found(request)
wrapper = FileWrapper(file_obj)
response = HttpResponse(wrapper,
mimetype=datafile.get_mimetype())
response['Content-Disposition'] = \
'%s; filename="%s"' % (disposition, datafile.filename)
return response
except IOError:
# If we can't read the file, return not found
return return_response_not_found(request)
except ValueError: # raised when replica not verified TODO: custom excptn
redirect = request.META.get('HTTP_REFERER',
'http://%s/' %
request.META.get('HTTP_HOST'))
message = """The file you are trying to access has not yet been
verified. Verification is an automated background process.
Please try again later or contact the system
administrator if the issue persists."""
message = ' '.join(message.split()) # removes spaces
redirect = redirect + '#error:' + message
return HttpResponseRedirect(redirect)
def _create_download_response(request, datafile_id, disposition='attachment'):
#import ipdb; ipdb.set_trace()
# Get datafile (and return 404 if absent)
try:
datafile = Dataset_File.objects.get(pk=datafile_id)
except Dataset_File.DoesNotExist:
return return_response_not_found(request)
# Check users has access to datafile
if not has_datafile_download_access(request=request,
dataset_file_id=datafile.id):
return return_response_error(request)
# Send an image that can be seen in the browser
if disposition == 'inline' and datafile.is_image():
from tardis.tardis_portal.iiif import download_image
args = (request, datafile.id, 'full', 'full', '0', 'native')
# Send unconverted image if web-compatible
if datafile.get_mimetype() in ('image/gif', 'image/jpeg', 'image/png'):
return download_image(*args)
# Send converted image
return download_image(*args, format='png')
# Send local file
try:
# Get file object for datafile
file_obj = datafile.get_file()
if not file_obj:
# If file path doesn't resolve, return not found
return return_response_not_found(request)
wrapper = FileWrapper(file_obj, blksize=65535)
response = StreamingHttpResponse(wrapper,
mimetype=datafile.get_mimetype())
response['Content-Disposition'] = \
'%s; filename="%s"' % (disposition, datafile.filename)
return response
except IOError:
# If we can't read the file, return not found
return return_response_not_found(request)
except ValueError: # raised when replica not verified TODO: custom excptn
redirect = request.META.get('HTTP_REFERER',
'http://%s/' %
request.META.get('HTTP_HOST'))
message = """The file you are trying to access has not yet been
verified. Verification is an automated background process.
Please try again later or contact the system
administrator if the issue persists."""
message = ' '.join(message.split()) # removes spaces
redirect = redirect + '#error:' + message
return HttpResponseRedirect(redirect)
