def to_str(fname, ty, v):
c = c_char_p()
n = c_size_t()
call(fname, ty(v), REF(c), REF(n))
s = c.value.decode()
free_buffer(c)
return s
def deep_copy(self):
"""Return new instance containing a (deep)copy of underlying C object"""
copy = self.__new__(self.__class__)
copy._obj = self._cproxy_type()()
call(self._abi("Copy"), REF(self._obj), REF(copy._obj))
copy._alive = True
return copy
def get_val(fname, ty, obj=None):
w = ty()
if obj:
call(fname, REF(obj), REF(w))
else:
call(fname, REF(w))
return w.value
def _is_same(self, other, abicall_name=None):
""" Returns if underlying C objects are logically equal. """
if type(self) != type(other):
return False
i = c_int()
name = self._abi('IsSame') if abicall_name is None else abicall_name
call(name, REF(self._obj), REF(other._obj), REF(i))
return bool(i)
def get_str(fname, obj=None):
c = c_char_p()
n = c_size_t()
if obj:
call(fname, REF(obj), REF(c), REF(n))
else:
call(fname, REF(c), REF(n))
s = c.value.decode()
free_buffer(c)
return s
def get_strs(fname, obj=None):
p = POINTER(c_char_p)()
n = c_size_t()
if obj:
call(fname, REF(obj), REF(p), REF(n))
else:
call(fname, REF(p), REF(n))
symbols = [p[i].decode() for i in range(n.value)]
free_buffers(p, n)
return symbols
def get_vals(fname, ty, obj=None, free=None):
ptr = POINTER(ty)()
n = c_size_t()
if obj:
call(fname, REF(obj), REF(ptr), REF(n))
else:
call(fname, REF(ptr), REF(n))
vals = [ptr[i] for i in range(n.value)]
if free:
free(ptr)
return vals
def __del__(self):
if hasattr(self, '_alive') and self._alive:
self._alive = False
try:
try:
call(self._abi('Destroy'), REF(self._obj))
except CLibException as e:
print("CLibException in", self.__del__, ":", str(e))
except:
pass
def set_str(fname, s, obj=None):
if obj:
call(fname, REF(obj), PCHAR(s))
else:
call(fname, PCHAR(s))
def set_val(fname, ty, val, obj=None):
if obj:
call(fname, REF(obj), ty(val))
else:
call(fname, ty(val))
def set_strs(fname, strs, obj=None):
if obj:
call(fname, REF(obj), PCHAR_BUFFER(strs), len(strs))
else:
call(fname, PCHAR_BUFFER(strs), len(strs))
def __init__(self, *cargs):
self._obj = self._cproxy_type()()
call(self._abi('Create'), *(cargs + (REF(self._obj), )))
self._alive = True
