Code: Alles auswählen
def __init__(self, *args):
assert len(args) in (1, 2)
super().__init__()
if len(args) == 1:
self.identifier = args[0]
else:
self.identifier = _create_shader(shader_type)
self._set_shader_source(source)
self._compile_shader()Code: Alles auswählen
def __init__(self, type_or_identifier, source=None):
super().__init__()
if source is None:
self.identifier = type_or_identifier
else:
self.identifier = _create_shader(type_or_identifier)
self._set_shader_source(source)
self._compile_shader()Code: Alles auswählen
def __init__(self, identifier):
super().__init__()
self.identifier = identifier
@classmethod
def from_source(cls, shader_type, source):
result = cls(cls._create_shader(shader_type))
result._set_shader_source(source)
result._compile_shader()
return result
Code: Alles auswählen
class GLObject:
def __init__(self, identifier):
self.identifier = identifier
@property
def _as_parameter_(self): # For convenience with ctypes
return self.identifier
@classmethod
def for_id(cls, identifier):
result = cls.__new__()
result.identifier = identifier
return result
class GLShader(GLObject):
def __init__(self, shader_type, source):
pass
# ...
Code: Alles auswählen
class GLObject(object):
_cache = {}
def _register(self, identifier):
if identifier is not None:
self._cache[identifier] = self
@classmethod
def from_id(cls, identifier):
obj = cls._cache[identifier]
if not isinstance(obj, cls):
msg = 'requested object is not of type %r' % cls.__name__
raise TypeError(msg)
return obj
class GLShader(GLObject):
def __init__(self, shader_type, source, identifier=None):
self._register(identifier)
self.shader_type = shader_type
self.source = source
class GLFoo(GLObject):
def __init__(self, foo, bar, identifier=None):
self._register(identifier)
self.foo = foo
self.bar = barCode: Alles auswählen
>>> from gltest import GLShader, GLFoo
>>> shader = GLShader("DEFAULT_SHADER", "source", "myshader")
>>> shader_from_id = GLShader.from_id("myshader")
>>> shader_from_id is shader
True
>>> shader_from_id = GLFoo.from_id("myshader")
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "gltest.py", line 13, in from_id
raise TypeError(msg)
TypeError: requested object is not of type 'GLFoo'