def get_figure(self):
log.debug("running wmsvis.get_figure")
# Use .copy() on params to get a *writeable* MultiDict instance
params = request.params.copy()
log.debug("params = %s" % (params,))
# The response headers must be strings, not unicode, for modwsgi -
# ensure that the format is a string, omitting any non-ASCII
# characters.
format = params.pop('figFormat', 'image/png')
formatStr = format.encode('ascii', 'ignore')
finalImage = build_figure(params)
buffer = StringIO()
finalImage.save(buffer, self._pilImageFormats[formatStr])
response.headers['Content-Type'] = formatStr
# Remove headers that prevent browser caching, otherwise IE will not
# allow the image to be saved in its original format.
if 'Cache-Control' in response.headers:
del response.headers['Cache-Control']
if 'Pragma' in response.headers:
del response.headers['Pragma']
return buffer.getvalue()
def get_figure(self):
"""Creates and returns a figure.
"""
log.debug("running viewdata.get_figure")
# Use .copy() on params to get a writeable MultiDict instance
params = request.params.copy()
log.debug("params = %s" % (params,))
# The response headers must be strings, not unicode, for modwsgi -
# ensure that the format is a string, omitting any non-ASCII
# characters.
format = params.pop('figFormat', 'image/png')
formatStr = format.encode('ascii', 'ignore')
# Default to the "viewdata" style for captions.
if not 'figure-style' in params:
params['figure-style'] = 'viewdata'
try:
finalImage = build_figure(params, self._get_session_endpoint_data())
buffer = StringIO()
finalImage.save(buffer, self._pilImageFormats[formatStr])
response.headers['Content-Type'] = formatStr
# Remove headers that prevent browser caching, otherwise IE will not
# allow the image to be saved in its original format.
if 'Cache-Control' in response.headers:
del response.headers['Cache-Control']
if 'Pragma' in response.headers:
del response.headers['Pragma']
return buffer.getvalue()
except Exception, exc:
response.content_type = 'text/plain'
return exc.__str__() + '\n'
