def load_buffer_utility(util_code_name, context=None, **kwargs):
if context is None:
return UtilityCode.load(util_code_name, "Buffer.c", **kwargs)
else:
return TempitaUtilityCode.load(util_code_name,
"Buffer.c",
context=context,
**kwargs)
def put_code(self, output):
code = output['utility_code_def']
proto_code = output['utility_code_proto']
env = output.module_node.scope
cython_scope = env.context.cython_scope
# Search all types for __getbuffer__ overloads
types = []
visited_scopes = set()
def find_buffer_types(scope):
if scope in visited_scopes:
return
visited_scopes.add(scope)
for m in scope.cimported_modules:
find_buffer_types(m)
for e in scope.type_entries:
if isinstance(e.utility_code_definition, CythonUtilityCode):
continue
t = e.type
if t.is_extension_type:
if scope is cython_scope and not e.used:
continue
release = get = None
for x in t.scope.pyfunc_entries:
if x.name == u"__getbuffer__": get = x.func_cname
elif x.name == u"__releasebuffer__":
release = x.func_cname
if get:
types.append((t.typeptr_cname, get, release))
find_buffer_types(env)
util_code = TempitaUtilityCode.load("GetAndReleaseBuffer",
from_file="Buffer.c",
context=dict(types=types))
proto = util_code.format_code(util_code.proto)
impl = util_code.format_code(
util_code.inject_string_constants(util_code.impl, output)[1])
proto_code.putln(proto)
code.putln(impl)
def put_code(self, output):
code = output['utility_code_def']
proto_code = output['utility_code_proto']
env = output.module_node.scope
cython_scope = env.context.cython_scope
# Search all types for __getbuffer__ overloads
types = []
visited_scopes = set()
def find_buffer_types(scope):
if scope in visited_scopes:
return
visited_scopes.add(scope)
for m in scope.cimported_modules:
find_buffer_types(m)
for e in scope.type_entries:
if isinstance(e.utility_code_definition, CythonUtilityCode):
continue
t = e.type
if t.is_extension_type:
if scope is cython_scope and not e.used:
continue
release = get = None
for x in t.scope.pyfunc_entries:
if x.name == u"__getbuffer__": get = x.func_cname
elif x.name == u"__releasebuffer__": release = x.func_cname
if get:
types.append((t.typeptr_cname, get, release))
find_buffer_types(env)
util_code = TempitaUtilityCode.load(
"GetAndReleaseBuffer", from_file="Buffer.c",
context=dict(types=types))
proto = util_code.format_code(util_code.proto)
impl = util_code.format_code(
util_code.inject_string_constants(util_code.impl, output))
proto_code.putln(proto)
code.putln(impl)
def load_buffer_utility(util_code_name, context=None, **kwargs):
if context is None:
return UtilityCode.load(util_code_name, "Buffer.c", **kwargs)
else:
return TempitaUtilityCode.load(util_code_name, "Buffer.c", context=context, **kwargs)
