Added cython bindings.

5 files changed, 837 insertions, 0 deletions

diff --git a/cython/CMakeLists.txt b/cython/CMakeLists.txt
new file mode 100644
index 0000000..eac6bee
--- /dev/null
+++ b/cython/CMakeLists.txt
@@ -0,0 +1,30 @@
+
+INCLUDE_DIRECTORIES( ${PYTHON_INCLUDE_PATH} ${CMAKE_CURRENT_SOURCE_DIR} )
+
+
+SET(plist_SRC
+    ${CMAKE_CURRENT_BINARY_DIR}/plist.c )
+
+SET(plist_HDR
+    ${CMAKE_CURRENT_SOURCE_DIR}/plist.pxd )
+
+ADD_CUSTOM_COMMAND(
+    OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/plist.c
+    COMMAND ${CYTHON_EXECUTABLE} -o ${CMAKE_CURRENT_BINARY_DIR}/plist.c ${CMAKE_CURRENT_SOURCE_DIR}/plist.pyx
+    DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/plist.pyx ${CMAKE_CURRENT_SOURCE_DIR}/plist.pxd
+)
+
+
+EXEC_PROGRAM("${PYTHON_EXECUTABLE}"
+    ARGS "-c 'try:\n import distutils.sysconfig; print distutils.sysconfig.get_python_lib(1,0,\"${CMAKE_INSTALL_PREFIX}\")\nexcept: pass\n'"
+    OUTPUT_VARIABLE DISTUTILS_PYTHON_ILIBRARY_PATH
+    )
+
+PYTHON_ADD_MODULE(cython_plist plist.c plist_util.c)
+SET_TARGET_PROPERTIES(cython_plist PROPERTIES PREFIX "" OUTPUT_NAME plist)
+TARGET_LINK_LIBRARIES(cython_plist plist ${PYTHON_LIBRARIES})
+
+INSTALL( FILES ${CMAKE_CURRENT_BINARY_DIR}/plist${CMAKE_SHARED_MODULE_SUFFIX}
+   DESTINATION ${DISTUTILS_PYTHON_ILIBRARY_PATH} )
+INSTALL( FILES ${CMAKE_CURRENT_SOURCE_DIR}/plist.pxd
+   DESTINATION include/plist/cython COMPONENT dev)
diff --git a/cython/plist.pxd b/cython/plist.pxd
new file mode 100644
index 0000000..daafd78
--- /dev/null
+++ b/cython/plist.pxd
@@ -0,0 +1,62 @@
+cdef extern from "plist/plist.h":
+    ctypedef void *plist_t
+    ctypedef void *plist_dict_iter
+
+cdef class Node:
+    cdef plist_t _c_node
+    cdef bool _c_managed
+    cpdef object __deepcopy__(self, memo=*)
+    cpdef bytes to_xml(self)
+    cpdef bytes to_bin(self)
+    cpdef object copy(self)
+
+cdef class Bool(Node):
+    cpdef set_value(self, value)
+    cpdef bool get_value(self)
+    
+cdef class Integer(Node):
+    cpdef set_value(self, value)
+    cpdef int get_value(self)
+
+cdef class Real(Node):
+    cpdef set_value(self, value)
+    cpdef float get_value(self)
+
+cdef class String(Node):
+    cpdef set_value(self, unicode value)
+    cpdef unicode get_value(self)
+
+cdef class Date(Node):
+    cpdef set_value(self, value)
+    cpdef object get_value(self)
+
+cdef class Data(Node):
+    cpdef set_value(self, bytes value)
+    cpdef bytes get_value(self)
+
+cdef class Dict(Node):
+    cdef dict _map
+    cdef void _init(self)
+    cpdef set_value(self, dict value)
+    cpdef dict get_value(self)
+    cpdef bool has_key(self, key)
+    cpdef object get(self, key, default=*)
+    cpdef list keys(self)
+    cpdef list items(self)
+    cpdef list values(self)
+    cpdef object iterkeys(self)
+    cpdef object iteritems(self)
+    cpdef object itervalues(self)
+
+cdef class Array(Node):
+    cdef list _array
+    cdef void _init(self)
+    cpdef set_value(self, value)
+    cpdef list get_value(self)
+    cpdef append(self, item)
+
+cpdef object from_xml(xml)
+cpdef object from_bin(bytes bin)
+
+cdef object plist_t_to_node(plist_t c_plist, bool managed=*)
+cdef plist_t native_to_plist_t(object native)
diff --git a/cython/plist.pyx b/cython/plist.pyx
new file mode 100644
index 0000000..a1282e7
--- /dev/null
+++ b/cython/plist.pyx
@@ -0,0 +1,699 @@
+cdef extern from *:
+    ctypedef unsigned char uint8_t
+    ctypedef short int int16_t
+    ctypedef unsigned short int uint16_t
+    ctypedef unsigned int uint32_t
+    ctypedef int int32_t
+IF UNAME_MACHINE == 'x86_64':
+    ctypedef unsigned long int uint64_t
+ELSE:
+    ctypedef unsigned long long int uint64_t
+
+cimport python_unicode
+
+cdef extern from *:
+    ctypedef enum plist_type:
+        PLIST_BOOLEAN,
+        PLIST_UINT,
+        PLIST_REAL,
+        PLIST_STRING,
+        PLIST_ARRAY,
+        PLIST_DICT,
+        PLIST_DATE,
+        PLIST_DATA,
+        PLIST_KEY,
+        PLIST_NONE
+
+    plist_t plist_new_bool(uint8_t val)
+    void plist_get_bool_val(plist_t node, uint8_t *val)
+    void plist_set_bool_val(plist_t node, uint8_t val)
+
+    plist_t plist_new_uint(uint64_t val)
+    void plist_get_uint_val(plist_t node, uint64_t *val)
+    void plist_set_uint_val(plist_t node, uint64_t val)
+
+    plist_t plist_new_real(double val)
+    void plist_get_real_val(plist_t node, double *val)
+    void plist_set_real_val(plist_t node, double val)
+
+    plist_t plist_new_date(int32_t sec, int32_t usec)
+    void plist_get_date_val(plist_t node, int32_t * sec, int32_t * usec)
+    void plist_set_date_val(plist_t node, int32_t sec, int32_t usec)
+
+    plist_t plist_new_string(char *val)
+    void plist_get_string_val(plist_t node, char **val)
+    void plist_set_string_val(plist_t node, char *val)
+
+    plist_t plist_new_data(char *val, uint64_t length)
+    void plist_get_data_val(plist_t node, char **val, uint64_t * length)
+    void plist_set_data_val(plist_t node, char *val, uint64_t length)
+
+    plist_t plist_new_dict()
+    int plist_dict_get_size(plist_t node)
+    plist_t plist_dict_get_item(plist_t node, char* key)
+    void plist_dict_set_item(plist_t node, char* key, plist_t item)
+    void plist_dict_insert_item(plist_t node, char* key, plist_t item)
+    void plist_dict_remove_item(plist_t node, char* key)
+
+    void plist_dict_new_iter(plist_t node, plist_dict_iter *iter)
+    void plist_dict_next_item(plist_t node, plist_dict_iter iter, char **key, plist_t *val)
+
+    plist_t plist_new_array()
+    uint32_t plist_array_get_size(plist_t node)
+    plist_t plist_array_get_item(plist_t node, uint32_t n)
+    uint32_t plist_array_get_item_index(plist_t node)
+    void plist_array_set_item(plist_t node, plist_t item, uint32_t n)
+    void plist_array_append_item(plist_t node, plist_t item)
+    void plist_array_insert_item(plist_t node, plist_t item, uint32_t n)
+    void plist_array_remove_item(plist_t node, uint32_t n)
+
+    void plist_free(plist_t plist)
+    plist_t plist_copy(plist_t plist)
+    void plist_to_xml(plist_t plist, char **plist_xml, uint32_t *length)
+    void plist_to_bin(plist_t plist, char **plist_bin, uint32_t *length)
+
+    plist_t plist_get_parent(plist_t node)
+    plist_type plist_get_node_type(plist_t node)
+
+    void plist_set_type(plist_t node, plist_type type)
+
+    void plist_from_xml(char *plist_xml, uint32_t length, plist_t * plist)
+    void plist_from_bin(char *plist_bin, uint32_t length, plist_t * plist)
+
+cdef extern from *:
+    void free(void *ptr)
+
+cdef class Node:
+    def __init__(self, *args, **kwargs):
+        self._c_managed = True
+
+    def __dealloc__(self):
+        if self._c_node is not NULL and self._c_managed:
+            plist_free(self._c_node)
+
+    cpdef object __deepcopy__(self, memo={}):
+        return plist_t_to_node(plist_copy(self._c_node))
+
+    cpdef object copy(self):
+        cdef plist_t c_node = NULL
+        c_node = plist_copy(self._c_node)
+        return plist_t_to_node(c_node)
+
+    cpdef bytes to_xml(self):
+        cdef char* out = NULL
+        cdef uint32_t length
+        plist_to_xml(self._c_node, &out, &length)
+
+        return out[:length]
+
+    cpdef bytes to_bin(self):
+        cdef char* out = NULL
+        cdef uint32_t length
+        plist_to_bin(self._c_node, &out, &length)
+
+        return out[:length]
+
+    property parent:
+        def __get__(self):
+            cdef plist_t c_parent = NULL
+            cdef Node node
+
+            c_parent = plist_get_parent(self._c_node)
+            if c_parent == NULL:
+                return None
+
+            return plist_t_to_node(c_parent)
+
+    def __str__(self):
+        return str(self.get_value())
+
+cdef class Bool(Node):
+    def __cinit__(self, value=None, *args, **kwargs):
+        if value is None:
+            self._c_node = plist_new_bool(0)
+        else:
+            self._c_node = plist_new_bool(bool(value))
+
+    def __nonzero__(self):
+        return self.get_value()
+
+    def __richcmp__(self, other, op):
+        cdef bool b = self.get_value()
+        if op == 0:
+            return b < other
+        if op == 1:
+            return b <= other
+        if op == 2:
+            return b == other
+        if op == 3:
+            return b != other
+        if op == 4:
+            return b > other
+        if op == 5:
+            return b >= other
+
+    def __repr__(self):
+        b = self.get_value()
+        return '<Bool: %s>' % b
+
+    cpdef set_value(self, value):
+        plist_set_bool_val(self._c_node, bool(value))
+
+    cpdef bool get_value(self):
+        cdef uint8_t value
+        plist_get_bool_val(self._c_node, &value)
+        return bool(value)
+
+cdef Bool Bool_factory(plist_t c_node, bool managed=True):
+    cdef Bool instance = Bool.__new__(Bool)
+    instance._c_managed = managed
+    instance._c_node = c_node
+    return instance
+
+cdef class Integer(Node):
+    def __cinit__(self, value=None, *args, **kwargs):
+        if value is None:
+            self._c_node = plist_new_uint(0)
+        else:
+            self._c_node = plist_new_uint(int(value))
+
+    def __repr__(self):
+        i = self.get_value()
+        return '<Integer: %s>' % i
+
+    def __int__(self):
+        return self.get_value()
+
+    def __float__(self):
+        return float(self.get_value())
+
+    def __richcmp__(self, other, op):
+        cdef int i = self.get_value()
+        if op == 0:
+            return i < other
+        if op == 1:
+            return i <= other
+        if op == 2:
+            return i == other
+        if op == 3:
+            return i != other
+        if op == 4:
+            return i > other
+        if op == 5:
+            return i >= other
+
+    cpdef set_value(self, value):
+        plist_set_uint_val(self._c_node, int(value))
+
+    cpdef int get_value(self):
+        cdef uint64_t value
+        plist_get_uint_val(self._c_node, &value)
+        return value
+
+cdef Integer Integer_factory(plist_t c_node, bool managed=True):
+    cdef Integer instance = Integer.__new__(Integer)
+    instance._c_managed = managed
+    instance._c_node = c_node
+    return instance
+
+cdef class Real(Node):
+    def __cinit__(self, value=None, *args, **kwargs):
+        if value is None:
+            self._c_node = plist_new_real(0.0)
+        else:
+            self._c_node = plist_new_real(float(value))
+
+    def __repr__(self):
+        r = self.get_value()
+        return '<Real: %s>' % r
+
+    def __float__(self):
+        return self.get_value()
+
+    def __int__(self):
+        return int(self.get_value())
+
+    def __richcmp__(self, other, op):
+        cdef float f = self.get_value()
+        if op == 0:
+            return f < other
+        if op == 1:
+            return f <= other
+        if op == 2:
+            return f == other
+        if op == 3:
+            return f != other
+        if op == 4:
+            return f > other
+        if op == 5:
+            return f >= other
+
+    cpdef set_value(self, value):
+        plist_set_real_val(self._c_node, float(value))
+
+    cpdef float get_value(self):
+        cdef double value
+        plist_get_real_val(self._c_node, &value)
+        return value
+
+cdef Real Real_factory(plist_t c_node, bool managed=True):
+    cdef Real instance = Real.__new__(Real)
+    instance._c_managed = managed
+    instance._c_node = c_node
+    return instance
+
+from python_version cimport PY_MAJOR_VERSION
+
+cdef class String(Node):
+    def __cinit__(self, value=None, *args, **kwargs):
+        if value is None:
+            self._c_node = plist_new_string("")
+        else:
+            if isinstance(value, unicode):
+                utf8_data = value.encode('utf-8')
+            elif (PY_MAJOR_VERSION < 3) and isinstance(value, str):
+                value.decode('ascii')
+                utf8_data = value
+            else:
+                raise ValueError("requires text input, got %s" % type(value))
+            self._c_node = plist_new_string(utf8_data)
+
+    def __repr__(self):
+        s = self.get_value()
+        return '<String: %s>' % s
+
+    def __richcmp__(self, other, op):
+        cdef str s = self.get_value()
+        if op == 0:
+            return s < other
+        if op == 1:
+            return s <= other
+        if op == 2:
+            return s == other
+        if op == 3:
+            return s != other
+        if op == 4:
+            return s > other
+        if op == 5:
+            return s >= other
+
+    cpdef set_value(self, unicode value):
+        if value is None:
+            self._c_node = plist_new_string("")
+        else:
+            if isinstance(value, unicode):
+                utf8_data = value.encode('utf-8')
+            elif (PY_MAJOR_VERSION < 3) and isinstance(value, str):
+                value.decode('ascii')
+                utf8_data = value
+            else:
+                raise ValueError("requires text input, got %s" % type(value))
+            self._c_node = plist_new_string(utf8_data)
+
+    cpdef unicode get_value(self):
+        cdef char* value = NULL
+        plist_get_string_val(self._c_node, &value)
+        return python_unicode.PyUnicode_DecodeUTF8(value, len(value), 'strict')
+
+cdef String String_factory(plist_t c_node, bool managed=True):
+    cdef String instance = String.__new__(String)
+    instance._c_managed = managed
+    instance._c_node = c_node
+    return instance
+
+cdef extern from "plist_util.h":
+    void datetime_to_ints(object obj, int32_t* sec, int32_t* usec)
+    object ints_to_datetime(int32_t sec, int32_t usec)
+    int check_datetime(object obj)
+
+cdef plist_t create_date_plist(value=None):
+    cdef plist_t node = NULL
+    cdef int32_t secs
+    cdef int32_t usecs
+    if value is None:
+        node = plist_new_date(0, 0)
+    elif check_datetime(value):
+        datetime_to_ints(value, &secs, &usecs)
+        node = plist_new_date(secs, usecs)
+    return node
+
+cdef class Date(Node):
+    def __cinit__(self, value=None, *args, **kwargs):
+        self._c_node = create_date_plist(value)
+
+    def __repr__(self):
+        d = self.get_value()
+        return '<Date: %s>' % d.ctime()
+
+    def __richcmp__(self, other, op):
+        d = self.get_value()
+        if op == 0:
+            return d < other
+        if op == 1:
+            return d <= other
+        if op == 2:
+            return d == other
+        if op == 3:
+            return d != other
+        if op == 4:
+            return d > other
+        if op == 5:
+            return d >= other
+
+    cpdef object get_value(self):
+        cdef int32_t secs = 0
+        cdef int32_t usecs = 0
+        cdef object result
+        plist_get_date_val(self._c_node, &secs, &usecs)
+        return ints_to_datetime(secs, usecs)
+
+    cpdef set_value(self, value):
+        cdef int32_t secs
+        cdef int32_t usecs
+        if not check_datetime(value):
+            raise ValueError("Expected a datetime")
+        datetime_to_ints(value, &secs, &usecs)
+        plist_set_date_val(self._c_node, secs, usecs)
+
+cdef Date Date_factory(plist_t c_node, bool managed=True):
+    cdef Date instance = Date.__new__(Date)
+    instance._c_managed = managed
+    instance._c_node = c_node
+    return instance
+
+cdef class Data(Node):
+    def __cinit__(self, value=None, *args, **kwargs):
+        if value is None:
+            self._c_node = plist_new_data(NULL, 0)
+        else:
+            self._c_node = plist_new_data(value, len(value))
+
+    def __repr__(self):
+        d = self.get_value()
+        return '<Data: %s>' % d
+
+    def __richcmp__(self, other, op):
+        cdef str d = self.get_value()
+        if op == 0:
+            return d < other
+        if op == 1:
+            return d <= other
+        if op == 2:
+            return d == other
+        if op == 3:
+            return d != other
+        if op == 4:
+            return d > other
+        if op == 5:
+            return d >= other
+
+    cpdef bytes get_value(self):
+        cdef char* val = NULL
+        cdef uint64_t length = 0
+        plist_get_data_val(self._c_node, &val, &length)
+
+        return val[:length]
+
+    cpdef set_value(self, bytes value):
+        plist_set_data_val(self._c_node, value, len(value))
+
+cdef Data Data_factory(plist_t c_node, bool managed=True):
+    cdef Data instance = Data.__new__(Data)
+    instance._c_managed = managed
+    instance._c_node = c_node
+    return instance
+
+cdef plist_t create_dict_plist(value=None):
+    cdef plist_t node = NULL
+    cdef plist_t c_node = NULL
+    node = plist_new_dict()
+    if value is not None and isinstance(value, dict):
+        for key, item in value.items():
+            c_node = native_to_plist_t(item)
+            plist_dict_insert_item(node, key, c_node)
+            c_node = NULL
+    return node
+
+cdef class Dict(Node):
+    def __cinit__(self, value=None, *args, **kwargs):
+        self._c_node = create_dict_plist(value)
+
+    def __init__(self, value=None, *args, **kwargs):
+        self._init()
+
+    cdef void _init(self):
+        cdef plist_dict_iter it = NULL
+        cdef char* key = NULL
+        cdef plist_t subnode = NULL
+
+        self._map = {}
+
+        plist_dict_new_iter(self._c_node, &it);
+        plist_dict_next_item(self._c_node, it, &key, &subnode);
+
+        while subnode is not NULL:
+            self._map[key] = plist_t_to_node(subnode, False)
+            subnode = NULL
+            free(key)
+            key = NULL
+            plist_dict_next_item(self._c_node, it, &key, &subnode);
+        free(it)
+
+    def __dealloc__(self):
+        self._map = None
+        Node.__dealloc__(self)
+
+    def __richcmp__(self, other, op):
+        cdef dict d = self.get_value()
+        if op == 0:
+            return d < other
+        if op == 1:
+            return d <= other
+        if op == 2:
+            return d == other
+        if op == 3:
+            return d != other
+        if op == 4:
+            return d > other
+        if op == 5:
+            return d >= other
+
+    def __len__(self):
+        return len(self._map)
+
+    def __repr__(self):
+        return '<Dict: %s>' % self._map
+
+    cpdef dict get_value(self):
+        return dict([(key, value.get_value()) for key, value in self.items()])
+
+    cpdef set_value(self, dict value):
+        plist_free(self._c_node)
+        self._map = {}
+        self._c_node = NULL
+        self._c_node = create_dict_plist(value)
+        self._init()
+
+    def __iter__(self):
+        return self._map.__iter__()
+
+    cpdef bool has_key(self, key):
+        return self._map.has_key(key)
+
+    cpdef object get(self, key, default=None):
+        return self._map.get(key, default)
+
+    cpdef list keys(self):
+        return self._map.keys()
+
+    cpdef object iterkeys(self):
+        return self._map.iterkeys()
+
+    cpdef list items(self):
+        return self._map.items()
+
+    cpdef object iteritems(self):
+        return self._map.iteritems()
+
+    cpdef list values(self):
+        return self._map.values()
+
+    cpdef object itervalues(self):
+        return self._map.itervalues()
+
+    def __getitem__(self, key):
+        return self._map[key]
+
+    def __setitem__(self, key, value):
+        cdef Node n
+        if isinstance(value, Node):
+            n = value.copy()
+        else:
+            n = plist_t_to_node(native_to_plist_t(value), False)
+
+        plist_dict_insert_item(self._c_node, key, n._c_node)
+        self._map[key] = n
+
+    def __delitem__(self, key):
+        del self._map[key]
+        plist_dict_remove_item(self._c_node, key)
+
+cdef Dict Dict_factory(plist_t c_node, bool managed=True):
+    cdef Dict instance = Dict.__new__(Dict)
+    instance._c_managed = managed
+    instance._c_node = c_node
+    instance._init()
+    return instance
+
+cdef plist_t create_array_plist(value=None):
+    cdef plist_t node = NULL
+    cdef plist_t c_node = NULL
+    node = plist_new_array()
+    if value is not None and (isinstance(value, list) or isinstance(value, tuple)):
+        for item in value:
+            c_node = native_to_plist_t(item)
+            plist_array_append_item(node, c_node)
+            c_node = NULL
+    return node
+
+cdef class Array(Node):
+    def __cinit__(self, value=None, *args, **kwargs):
+        self._c_node = create_array_plist(value)
+
+    def __init__(self, value=None, *args, **kwargs):
+        self._init()
+
+    cdef void _init(self):
+        cdef uint32_t size = plist_array_get_size(self._c_node)
+        cdef plist_t subnode = NULL
+
+        for i from 0 <= i < size:
+            subnode = plist_array_get_item(self._c_node, i)
+            self._array.append(plist_t_to_node(subnode, False))
+
+    def __richcmp__(self, other, op):
+        cdef list l = self.get_value()
+        if op == 0:
+            return l < other
+        if op == 1:
+            return l <= other
+        if op == 2:
+            return l == other
+        if op == 3:
+            return l != other
+        if op == 4:
+            return l > other
+        if op == 5:
+            return l >= other
+
+    def __len__(self):
+        return len(self._array)
+
+    def __repr__(self):
+        return '<Array: %s>' % self._array
+
+    cpdef list get_value(self):
+        return [i.get_value() for i in self]
+
+    cpdef set_value(self, value):
+        self._array = []
+        plist_free(self._c_node)
+        self._c_node = NULL
+        self._c_node = create_array_plist(value)
+        self._init()
+
+    def __iter__(self):
+        return self._array.__iter__()
+
+    def __getitem__(self, index):
+        return self._array[index]
+
+    def __setitem__(self, index, value):
+        cdef Node n
+        if isinstance(value, Node):
+            n = value.copy()
+        else:
+            n = plist_t_to_node(native_to_plist_t(value), False)
+
+        if index < 0:
+            index = len(self) + index
+
+        plist_array_set_item(self._c_node, n._c_node, index)
+        self._array[index] = n
+
+    def __delitem__(self, index):
+        if index < 0:
+            index = len(self) + index
+        del self._array[index]
+        plist_array_remove_item(self._c_node, index)
+
+    cpdef append(self, item):
+        cdef Node n
+
+        if isinstance(item, Node):
+            n = item.copy()
+        else:
+            n = plist_t_to_node(native_to_plist_t(item), False)
+
+        plist_array_append_item(self._c_node, n._c_node)
+        self._array.append(n)
+
+cdef Array Array_factory(plist_t c_node, bool managed=True):
+    cdef Array instance = Array.__new__(Array)
+    instance._c_managed = managed
+    instance._c_node = c_node
+    instance._init()
+    return instance
+
+cpdef object from_xml(xml):
+    cdef plist_t c_node = NULL
+    plist_from_xml(xml, len(xml), &c_node)
+    return plist_t_to_node(c_node)
+
+cpdef object from_bin(bytes bin):
+    cdef plist_t c_node = NULL
+    plist_from_bin(bin, len(bin), &c_node)
+    return plist_t_to_node(c_node)
+
+cdef plist_t native_to_plist_t(object native):
+    cdef plist_t c_node
+    cdef plist_t child_c_node
+    cdef int32_t secs = 0
+    cdef int32_t usecs = 0
+    cdef Node node
+    if isinstance(native, Node):
+        node = native
+        return plist_copy(node._c_node)
+    if isinstance(native, basestring):
+        return plist_new_string(native)
+    if isinstance(native, bool):
+        return plist_new_bool(native)
+    if isinstance(native, int) or isinstance(native, long):
+        return plist_new_uint(native)
+    if isinstance(native, float):
+        return plist_new_real(native)
+    if isinstance(native, dict):
+        return create_dict_plist(native)
+    if isinstance(native, list) or isinstance(native, tuple):
+        return create_array_plist(native)
+    if check_datetime(native):
+        return create_date_plist(native)
+
+cdef object plist_t_to_node(plist_t c_plist, bool managed=True):
+    cdef plist_type t = plist_get_node_type(c_plist)
+    if t == PLIST_BOOLEAN:
+        return Bool_factory(c_plist, managed)
+    if t == PLIST_UINT:
+        return Integer_factory(c_plist, managed)
+    if t == PLIST_REAL:
+        return Real_factory(c_plist, managed)
+    if t == PLIST_STRING:
+        return String_factory(c_plist, managed)
+    if t == PLIST_ARRAY:
+        return Array_factory(c_plist, managed)
+    if t == PLIST_DICT:
+        return Dict_factory(c_plist, managed)
+    if t == PLIST_DATE:
+        return Date_factory(c_plist, managed)
+    if t == PLIST_DATA:
+        return Data_factory(c_plist, managed)
diff --git a/cython/plist_util.c b/cython/plist_util.c
new file mode 100644
index 0000000..70c5be3
--- /dev/null
+++ b/cython/plist_util.c
@@ -0,0 +1,41 @@
+#include "plist_util.h"
+
+#include <time.h>
+#include <datetime.h>
+
+void datetime_to_ints(PyObject* obj, int32_t* sec, int32_t* usec) {
+    PyDateTime_IMPORT;
+    if (!PyDateTime_Check(obj)) {
+		PyErr_SetString(PyExc_ValueError,"Expected a datetime");
+		sec = NULL;
+		usec = NULL;
+		return;
+    }
+    struct tm t = {
+		PyDateTime_DATE_GET_SECOND(obj),
+		PyDateTime_DATE_GET_MINUTE(obj),
+		PyDateTime_DATE_GET_HOUR(obj),
+		PyDateTime_GET_DAY(obj),
+		PyDateTime_GET_MONTH(obj)-1,
+		PyDateTime_GET_YEAR(obj)-1900,
+		0,0,0
+    };
+	*sec = (int32_t)mktime(&t);
+	*usec = PyDateTime_DATE_GET_MICROSECOND(obj);
+}
+PyObject* ints_to_datetime(int32_t sec, int32_t usec) {
+	time_t sec_tt = sec;
+    struct tm* t = gmtime(&sec_tt);
+    if(t){
+		PyDateTime_IMPORT;
+		return PyDateTime_FromDateAndTime(t->tm_year+1900, t->tm_mon+1, t->tm_mday, t->tm_hour, t->tm_min, t->tm_sec, usec);
+    }
+	return NULL;
+}
+int check_datetime(PyObject* ob) {
+	if(ob){
+		PyDateTime_IMPORT;
+		return PyDateTime_Check(ob);
+	}
+	return 0;
+}
diff --git a/cython/plist_util.h b/cython/plist_util.h
new file mode 100644
index 0000000..fbf56b6
--- /dev/null
+++ b/cython/plist_util.h
@@ -0,0 +1,5 @@
+#include <Python.h>
+
+void datetime_to_ints(PyObject* obj, int32_t* sec, int32_t* usec);
+PyObject* ints_to_datetime(int32_t sec, int32_t usec);
+int check_datetime(PyObject* obj);