def getImageServer(manager):
try:
toReturn = manager.getProxy('/ImageServer/0')
except ObjectNotFoundException:
try:
toReturn = manager.addLocation('/ImageServer/imageserver',
ChimeraPath().controllers)
except Exception as e:
print(''.join(Pyro4.util.getPyroTraceback(e)))
raise ClassLoaderException('Unable to create imageserver')
if not toReturn:
raise ClassLoaderException('Unable to create or find an ImageServer')
return toReturn
def getImageServer(manager):
try:
toReturn = manager.getProxy('/ImageServer/0')
except ObjectNotFoundException:
try:
toReturn = manager.addLocation('/ImageServer/imageserver',
[ChimeraPath.controllers()])
except Exception, e:
print ''.join(Pyro.util.getPyroTraceback(e))
raise ClassLoaderException('Unable to create imageserver')
def _lookupClass(self, clsname, path):
"""
Based on this recipe
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52241
by Jorgen Hermann
"""
if clsname.lower() in self._cache:
return self._cache[clsname.lower()]
if not isinstance(path, (list, tuple)):
path = [path]
sys.path = path + sys.path
try:
module = __import__(
clsname.lower(), globals(), locals(), [clsname])
except ImportError:
# Python trick: An ImportError exception catched here
# could came from both the __import__ above or from the
# module imported by the __import__ above... So, we need a
# way to know the difference between those exceptions. A
# simple (reliable?) way is to use the length of the
# exception traceback as a indicator. If the traceback had
# only 1 entry, the exceptions comes from the __import__
# above, more than one the exception comes from the
# imported module
tb_size = len(traceback.extract_tb(sys.exc_info()[2]))
# ImportError above
if tb_size == 1:
raise ClassLoaderException(
"Couldn't find module %s (%s)." % (clsname, path))
# ImportError on loaded module
else:
raise ClassLoaderException(
"Module %s found but couldn't be loaded." % clsname)
except:
raise ClassLoaderException(
"Module %s found but couldn't be loaded." % clsname)
# turns sys.path back
[sys.path.remove(p) for p in path]
cls = None
for k, v in vars(module).items():
if k.lower() == clsname.lower():
cls = v
break
if not cls:
raise ClassLoaderException(
"Module found but couldn't fount class on module '%s' (%s)." %
(clsname.lower(), module.__file__))
self._cache[clsname.lower()] = cls
return self._cache[clsname.lower()]
from chimera.core.exceptions import ChimeraException, ObjectNotFoundException, ClassLoaderException
from chimera.core.path import ChimeraPath
import Pyro.util
def getImageServer(manager):
try:
toReturn = manager.getProxy('/ImageServer/0')
except ObjectNotFoundException:
try:
toReturn = manager.addLocation('/ImageServer/imageserver',
ChimeraPath().controllers)
except Exception, e:
print ''.join(Pyro.util.getPyroTraceback(e))
raise ClassLoaderException('Unable to create imageserver')
if not toReturn:
raise ClassLoaderException('Unable to create or find an ImageServer')
return toReturn
class ImageServerException(ChimeraException):
pass
class InvalidFitsImageException(ImageServerException):
pass