def default(request):
url = request.GET.get("url", "").strip()
if not url:
return HttpResponseBadRequest("missing url parameter")
# instantiate new API
api = ImageAPI()
try:
api.open_from_internet(url)
except urllib2.HTTPError as e:
logger.debug("could not download image from %s reason: %s" % (url, e))
return HttpResponseBadRequest("invalid url")
except ValueError as e: # unknown url type
logger.debug("could not use image url %s reason: %s" % (url, e))
return HttpResponseBadRequest("invalid url")
except IOError as e:
logger.debug("could not process image from %s reason: %s" % (url, e))
return HttpResponseBadRequest("invalid url")
padding_size = request.GET.get("bp", BORDER_PADDING)
border_size = request.GET.get("bs", BORDER_SIZE)
fill_color = request.GET.get("bfc", BORDER_FILL_COLOR)
border_color = request.GET.get("bc", BORDER_COLOR)
# apply border with default values
api.apply_border(int(padding_size), int(border_size), fill_color, border_color)
# write to response
response = HttpResponse(mimetype="image/png")
api.image.save(response, "PNG")
return response
