| #################### 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, ...) |
| int __Pyx_RaiseUnexpectedTypeError(const char *expected, object obj) except 0 |
|
|
| @cname("{{funcname}}") |
| cdef {{struct_type}} {{funcname}}(obj) except *: |
| cdef {{struct_type}} result |
| if not PyMapping_Check(obj): |
| __Pyx_RaiseUnexpectedTypeError(b"a mapping", obj) |
|
|
| {{for member in var_entries:}} |
| try: |
| value = obj['{{member.name}}'] |
| except KeyError: |
| raise ValueError("No value specified for struct attribute '{{member.name}}'") |
| result.{{member.name}} = 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, ...) |
| int __Pyx_RaiseUnexpectedTypeError(const char *expected, object obj) except 0 |
|
|
| @cname("{{funcname}}") |
| cdef {{struct_type}} {{funcname}}(obj) except *: |
| cdef {{struct_type}} result |
| cdef Py_ssize_t length |
| if not PyMapping_Check(obj): |
| __Pyx_RaiseUnexpectedTypeError(b"a mapping", obj) |
|
|
| 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) |
| int __Pyx_PyTuple_SET_ITEM(object p, Py_ssize_t pos, object o) except -1 |
| int __Pyx_PyList_SET_ITEM(object p, Py_ssize_t pos, object o) except -1 |
|
|
|
|
| @cname("{{cname}}") |
| cdef inline list {{cname}}({{base_type}} *v, Py_ssize_t length): |
| cdef Py_ssize_t i |
| cdef object value |
| l = PyList_New(length) |
| for i in range(length): |
| value = v[<size_t> i] |
| Py_INCREF(value) |
| __Pyx_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 Py_ssize_t i |
| cdef object value |
| t = PyTuple_New(length) |
| for i in range(length): |
| value = v[<size_t> i] |
| Py_INCREF(value) |
| __Pyx_PyTuple_SET_ITEM(t, i, value) |
| return t |
|
|
