def request_accepts_gzip(request):
# MSIE has issues with gzipped response of various content types
# but, if we're only gzipping text/css and javascript, we should be ok
if CONVOY_CONSERVATIVE_MSIE_GZIP:
if "msie" in request.META.get('HTTP_USER_AGENT', '').lower():
return False
ae = request.META.get('HTTP_ACCEPT_ENCODING', '')
if re_accepts_gzip.search(ae):
return True
return False
def request_accepts_gzip(request):
# MSIE has issues with gzipped response of various content types
# but, if we're only gzipping text/css and javascript, we should be ok
if CONVOY_CONSERVATIVE_MSIE_GZIP:
if "msie" in request.META.get('HTTP_USER_AGENT', '').lower():
return False
ae = request.META.get('HTTP_ACCEPT_ENCODING', '')
if re_accepts_gzip.search(ae):
return True
return False
def path(self):
"""
Serve gzip file if client accept it.
Generate or update the gzip file if needed.
"""
path = self.object.geojson.path
statobj = os.stat(path)
ae = self.request.META.get('HTTP_ACCEPT_ENCODING', '')
if re_accepts_gzip.search(ae) and getattr(settings, 'LEAFLET_STORAGE_GZIP', True):
gzip_path = "{path}{ext}".format(path=path, ext=self.EXT)
up_to_date = True
if not os.path.exists(gzip_path):
up_to_date = False
else:
gzip_statobj = os.stat(gzip_path)
if statobj.st_mtime > gzip_statobj.st_mtime:
up_to_date = False
if not up_to_date:
gzip_file(path, gzip_path)
path = gzip_path
return path
def path(self):
"""
Serve gzip file if client accept it.
Generate or update the gzip file if needed.
"""
path = self._path()
statobj = os.stat(path)
ae = self.request.META.get('HTTP_ACCEPT_ENCODING', '')
if re_accepts_gzip.search(ae) and getattr(settings, 'UMAP_GZIP', True):
gzip_path = "{path}{ext}".format(path=path, ext=self.EXT)
up_to_date = True
if not os.path.exists(gzip_path):
up_to_date = False
else:
gzip_statobj = os.stat(gzip_path)
if statobj.st_mtime > gzip_statobj.st_mtime:
up_to_date = False
if not up_to_date:
gzip_file(path, gzip_path)
path = gzip_path
return path
def render_to_response(self, context, **response_kwargs):
path = self.object.geojson.path
statobj = os.stat(path)
response = None
ext = '.gz'
ae = self.request.META.get('HTTP_ACCEPT_ENCODING', '')
if re_accepts_gzip.search(ae) and getattr(settings, 'LEAFLET_STORAGE_GZIP', True):
gzip_path = "{path}{ext}".format(path=path, ext=ext)
up_to_date = True
if not os.path.exists(gzip_path):
up_to_date = False
else:
gzip_statobj = os.stat(gzip_path)
if statobj.st_mtime > gzip_statobj.st_mtime:
up_to_date = False
if not up_to_date:
gzip_file(path, gzip_path)
path = gzip_path
if getattr(settings, 'LEAFLET_STORAGE_ACCEL_REDIRECT', False):
response = HttpResponse()
response['X-Accel-Redirect'] = path
elif getattr(settings, 'LEAFLET_STORAGE_X_SEND_FILE', False):
response = HttpResponse()
response['X-Sendfile'] = path
else:
# TODO IMS
response = CompatibleStreamingHttpResponse(
open(path, 'rb'),
content_type='application/json'
)
response["Last-Modified"] = http_date(statobj.st_mtime)
response['ETag'] = '"%s"' % hashlib.md5(response.content).hexdigest()
response['Content-Length'] = str(len(response.content))
if path.endswith(ext):
response['Content-Encoding'] = 'gzip'
return response
