def find_spec(self, name, path, target=None):
# If jvm is not started then we just check against the TLDs
if not _jpype.isStarted():
base = name.partition('.')[0]
if not base in _JDOMAINS:
return None
raise ImportError("Attempt to create java modules without jvm")
# Check if it is a TLD
parts = name.rpartition('.')
if not parts[1] and _jpype.isPackage(parts[2]):
return _ModuleSpec(name, self)
if not parts[1] and not _jpype.isPackage(parts[0]):
return None
base = sys.modules.get(parts[0], None)
if not base or not isinstance(base, _jpype._JPackage):
return None
# Support for external modules in java tree
name = unwrap(name)
for customizer in _CUSTOMIZERS:
if customizer.canCustomize(name):
return customizer.getSpec(name)
# Using isPackage eliminates need for registering tlds
if not hasattr(base, parts[2]):
# If the base is a Java package and it wasn't found in the
# package using getAttr, then we need to emit an error
# so we produce a meaningful diagnositic.
_getJavaClass(name)
# Import the java module
return _ModuleSpec(name, self)
def find_spec(self, name, path, target=None):
# If jvm is not started then we just check against the TLDs
if not _jpype.isStarted():
base = name.partition('.')[0]
if not base in _JDOMAINS:
return None
raise ImportError(
"Attempt to create Java package '%s' without jvm" % name)
# Check for aliases
if name in _JDOMAINS:
jname = _JDOMAINS[name]
if not _jpype.isPackage(jname):
raise ImportError(
"Java package '%s' not found, requested by alias '%s'" %
(jname, name))
ms = _ModuleSpec(name, self)
ms._jname = jname
return ms
# Check if it is a TLD
parts = name.rpartition('.')
# Use the parent module to simplify name mangling
if not parts[1] and _jpype.isPackage(parts[2]):
ms = _ModuleSpec(name, self)
ms._jname = name
return ms
if not parts[1] and not _jpype.isPackage(parts[0]):
return None
base = sys.modules.get(parts[0], None)
if not base or not isinstance(base, _jpype._JPackage):
return None
# Support for external modules in java tree
name = unwrap(name)
for customizer in _CUSTOMIZERS:
if customizer.canCustomize(name):
return customizer.getSpec(name)
# Using isPackage eliminates need for registering tlds
if not hasattr(base, parts[2]):
# If the base is a Java package and it wasn't found in the
# package using getAttr, then we need to emit an error
# so we produce a meaningful diagnositic.
try:
# Use forname because it give better diagnostics
_jpype._java_lang_Class.forName(name, True,
_jpype.JPypeClassLoader)
raise ImportError("Class `%s` was found but was not expected" %
name)
# Not found is acceptable
except Exception as ex:
raise ImportError("Failed to import '%s'" % name) from ex
# Import the java module
return _ModuleSpec(name, self)
def find_spec(self, name, path=None, target=None):
parts = name.split('.', 1)
if not parts[0] in _JDOMAINS:
return None
# Support for external modules in java tree
for customizer in _CUSTOMIZERS:
if customizer.canCustomize(name):
return customizer.getSpec(name)
# Import the java module
return _ModuleSpec(name, self)
def load_module(self, name):
module = self.create_module(_ModuleSpec(name, self))
_sys.modules[name] = module
return module
