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#################### FromPyStructUtility ####################
cdef extern from *:
ctypedef struct PyTypeObject:
char* tp_name
PyTypeObject *Py_TYPE(obj)
bint PyMapping_Check(obj)
object PyErr_Format(exc, const char *format, ...)
@cname("{{funcname}}")
cdef {{struct_type}} {{funcname}}(obj) except *:
cdef {{struct_type}} result
if not PyMapping_Check(obj):
PyErr_Format(TypeError, b"Expected %.16s, got %.200s", b"a mapping", Py_TYPE(obj).tp_name)
{{for member in var_entries:}}
try:
value = obj['{{member.name}}']
except KeyError:
raise ValueError("No value specified for struct attribute '{{member.name}}'")
result.{{member.cname}} = value
{{endfor}}
return result
#################### FromPyUnionUtility ####################
cdef extern from *:
ctypedef struct PyTypeObject:
char* tp_name
PyTypeObject *Py_TYPE(obj)
bint PyMapping_Check(obj)
object PyErr_Format(exc, const char *format, ...)
@cname("{{funcname}}")
cdef {{struct_type}} {{funcname}}(obj) except *:
cdef {{struct_type}} result
cdef Py_ssize_t length
if not PyMapping_Check(obj):
PyErr_Format(TypeError, b"Expected %.16s, got %.200s", b"a mapping", Py_TYPE(obj).tp_name)
last_found = None
length = len(obj)
if length:
{{for member in var_entries:}}
if '{{member.name}}' in obj:
if last_found is not None:
raise ValueError("More than one union attribute passed: '%s' and '%s'" % (last_found, '{{member.name}}'))
last_found = '{{member.name}}'
result.{{member.cname}} = obj['{{member.name}}']
length -= 1
if not length:
return result
{{endfor}}
if last_found is None:
raise ValueError("No value specified for any of the union attributes (%s)" %
'{{", ".join(member.name for member in var_entries)}}')
return result
#################### cfunc.to_py ####################
@cname("{{cname}}")
cdef object {{cname}}({{return_type.ctype}} (*f)({{ ', '.join(arg.type_cname for arg in args) }}) {{except_clause}}):
def wrap({{ ', '.join('{arg.ctype} {arg.name}'.format(arg=arg) for arg in args) }}):
"""wrap({{', '.join(('{arg.name}: {arg.type_displayname}'.format(arg=arg) if arg.type_displayname else arg.name) for arg in args)}}){{if return_type.type_displayname}} -> {{return_type.type_displayname}}{{endif}}"""
{{'' if return_type.type.is_void else 'return '}}f({{ ', '.join(arg.name for arg in args) }})
return wrap
#################### carray.from_py ####################
cdef extern from *:
object PyErr_Format(exc, const char *format, ...)
@cname("{{cname}}")
cdef int {{cname}}(object o, {{base_type}} *v, Py_ssize_t length) except -1:
cdef Py_ssize_t i = length
try:
i = len(o)
except (TypeError, OverflowError):
pass
if i == length:
for i, item in enumerate(o):
if i >= length:
break
v[i] = item
else:
i += 1 # convert index to length
if i == length:
return 0
PyErr_Format(
IndexError,
("too many values found during array assignment, expected %zd"
if i >= length else
"not enough values found during array assignment, expected %zd, got %zd"),
length, i)
#################### carray.to_py ####################
cdef extern from *:
void Py_INCREF(object o)
tuple PyTuple_New(Py_ssize_t size)
list PyList_New(Py_ssize_t size)
void PyTuple_SET_ITEM(object p, Py_ssize_t pos, object o)
void PyList_SET_ITEM(object p, Py_ssize_t pos, object o)
@cname("{{cname}}")
cdef inline list {{cname}}({{base_type}} *v, Py_ssize_t length):
cdef size_t i
cdef object value
l = PyList_New(length)
for i in range(<size_t>length):
value = v[i]
Py_INCREF(value)
PyList_SET_ITEM(l, i, value)
return l
@cname("{{to_tuple_cname}}")
cdef inline tuple {{to_tuple_cname}}({{base_type}} *v, Py_ssize_t length):
cdef size_t i
cdef object value
t = PyTuple_New(length)
for i in range(<size_t>length):
value = v[i]
Py_INCREF(value)
PyTuple_SET_ITEM(t, i, value)
return t
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