/*----- Python version compatibility hacks --------------------------------*/
+/* Explicit version switching. */
+#if PY_VERSION_HEX >= 0x03000000
+# define PY3 1
+# define PY23(two, three) three
+#else
+# define PY2 1
+# define PY23(two, three) two
+#endif
+
/* The handy `Py_TYPE' and `Py_SIZE' macros turned up in 2.6. Define them if
* they're not already here.
*/
# define PyVarObject_HEAD_INIT(super, sz) PyObject_HEAD_INIT(super) sz,
#endif
+/* Python 3 doesn't have `int', only `long', even though it's called `int' at
+ * the Python level. Provide some obvious macros to fill in the gaps.
+ */
+#ifdef PY3
+# define PyInt_Check PyLong_Check
+# define PyInt_FromLong PyLong_FromLong
+# define PyInt_AS_LONG PyLong_AS_LONG
+# define PyInt_AsLong PyLong_AsLong
+# define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask
+# define PyNumber_Int PyNumber_Long
+#endif
+
/* Python 3.2 changed the type of hash values, so paper over this annoying
* difference.
*/
typedef long Py_hash_t;
#endif
+/* Python 3 always has the `CHECKTYPES' behaviour, and doesn't define the
+ * flag.
+ */
+#ifdef PY3
+# define Py_TPFLAGS_CHECKTYPES 0
+#endif
+
+/* Plain octet strings. Python 2 calls these `str', while Python 3 calls
+ * them `bytes'. We call them `bin' here, and define the following.
+ *
+ * * `BINOBJ' is the C type of a `bin' object.
+ * * `BIN_TYPE' is the Python `type' object for `bin'.
+ * * `BIN_CHECK(OBJ)' is true if OBJ is a `bin' object.
+ * * `BIN_PTR(OBJ)' points to the first octet of OBJ, without checking!
+ * * `BIN_LEN(OBJ)' yields the length of OBJ in octets, without checking!
+ * * `BIN_FROMSTR(STR)' makes a `bin' object from a null-terminated string.
+ * * `BIN_FORMAT(FMT, ARGS...)' and `BIN_VFORMAT(FMT, AP)' make a `bin'
+ * object from a `printf'-like format string and arguments.
+ * * `BIN_PREPAREWRITE(OBJ, PTR, LEN)' prepares to make a `bin' object: it
+ * sets PTR to point to a buffer of LEN bytes; call `BIN_DONEWRITE' when
+ * finished. The variable OBJ will eventually be the resulting object,
+ * but until `BIN_DONEWRITE' is called, it may in fact be some different
+ * object.
+ * * `BIN_DONEWRITE(OBJ, LEN)' completes making a `bin' object: it adjusts
+ * its length to be LEN, which must not be larger than the LEN given to
+ * `BIN_PREPAREWRITE', and sets OBJ to point to the finished object.
+ * * `BIN_SETLEN(OBJ, LEN)' adjusts the length of OBJ downwards to LEN,
+ * without checking!
+ # * `Y' is a format character for `PyArg_ParseTuple...' for retrieving a
+ * null-terminated octet string from a `bin' object.
+ # * `YN' is a format character for `PyArg_ParseTuple...' for retrieving an
+ * octet string and length from any sort-of vaguely binary-ish object.
+ */
+#ifdef PY3
+# define BINOBJ PyBytesObject
+# define BIN_TYPE PyBytes_Type
+# define BIN_CHECK(obj) PyBytes_Check(obj)
+# define BIN_PTR(obj) PyBytes_AS_STRING(obj)
+# define BIN_LEN(obj) PyBytes_GET_SIZE(obj)
+# define BIN_FROMSTR(str) PyBytes_FromString(str)
+# define BIN_FROMSTRLEN(str, len) PyBytes_FromStringAndSize(str, len)
+# define BIN_FORMAT PyBytes_FromFormat
+# define BIN_VFORMAT PyBytes_FromFormatV
+# define BIN_PREPAREWRITE(obj, ptr, sz) do { \
+ (obj) = PyBytes_FromStringAndSize(0, (sz)); \
+ (ptr) = PyBytes_AS_STRING(obj); \
+ } while (0)
+# define BIN_DONEWRITE(obj, sz) do Py_SIZE(obj) = (sz); while (0)
+# define BIN_SETLEN(obj, len) do Py_SIZE(obj) = (len); while (0)
+# define Y "y"
+# define YN "y#"
+#else
+# define BINOBJ PyStringObject
+# define BIN_TYPE PyString_Type
+# define BIN_CHECK(obj) PyString_Check(obj)
+# define BIN_PTR(obj) PyString_AS_STRING(obj)
+# define BIN_LEN(obj) PyString_GET_SIZE(obj)
+# define BIN_FROMSTR(str) PyString_FromString(str)
+# define BIN_FROMSTRLEN(str, len) PyString_FromStringAndSize(str, len)
+# define BIN_FORMAT PyString_FromFormat
+# define BIN_VFORMAT PyString_FromFormatV
+# define BIN_PREPAREWRITE(obj, ptr, sz) do { \
+ (obj) = PyString_FromStringAndSize(0, (sz)); \
+ (ptr) = PyString_AS_STRING(obj); \
+ } while (0)
+# define BIN_DONEWRITE(obj, sz) do Py_SIZE(obj) = (sz); while (0)
+# define BIN_SETLEN(obj, len) do Py_SIZE(obj) = (len); while (0)
+# define Y "s"
+# define YN "s#"
+#endif
+
+/* Text strings. Both Python 2 and Python 3 call these `str', but they're
+ * very different because a Python 3 `str' is Unicode inside. When dealing
+ * with Python 3 text, the data is UTF-8 encoded. We call them `text' here,
+ * and define the following.
+ *
+ * * `TEXTOBJ' is the C type of a `text' object.
+ * * `TEXT_TYPE' is the Python `type' object for `text'.
+ * * `TEXT_CHECK(OBJ)' is true if OBJ is a `text' object.
+ * * `TEXT_STR(OBJ)' points to the first byte of a null-terminated string
+ * OBJ, or is null.
+ * * `TEXT_PTR(OBJ)' points to the first byte of OBJ, without checking!
+ * * `TEXT_LEN(OBJ)' yields the length of OBJ in octets, without checking!
+ * * `TEXT_FROMSTR(STR)' makes a `text' object from a null-terminated
+ * string.
+ * * `TEXT_FORMAT(FMT, ARGS...)' and `TEST_VFORMAT(FMT, AP)' make a `text'
+ * object from a `printf'-like format string and arguments.
+ * * `TEXT_PREPAREWRITE(OBJ, PTR, LEN)' prepares to make a `text' object:
+ * it sets PTR to point to a buffer of LEN bytes; call `TEXT_DONEWRITE'
+ * when finished. The variable OBJ will eventually be the resulting
+ * object, but until `TEXT_DONEWRITE' is called, it may in fact be some
+ * different object.
+ * * `TEXT_DONEWRITE(OBJ, LEN)' completes making a `text' object: it
+ * adjusts its length to be LEN, which must not be larger than the LEN
+ * given to `TEXT_PREPAREWRITE', and sets OBJ to point to the finished
+ * object.
+ *
+ * (Use `s' and `s#' in `PyArg_ParseTuple...'.)
+ */
+#ifdef PY3
+# define TEXTOBJ PyUnicodeObject
+# define TEXT_TYPE PyUnicode_Type
+# define TEXT_CHECK(obj) PyUnicode_Check(obj)
+# if PY_VERSION_HEX >= 0x03030000
+# define TEXT_PTR(obj) PyUnicode_AsUTF8(obj)
+# define TEXT_STR(obj) PyUnicode_AsUTF8(obj)
+# define TEXT_PTRLEN(obj, ptr, len) do { \
+ Py_ssize_t len_; \
+ (ptr) = PyUnicode_AsUTF8AndSize((obj), &len_); \
+ (len) = len_; \
+ } while (0)
+# define TEXT_PREPAREWRITE(obj, ptr, sz) do { \
+ (obj) = PyUnicode_New((sz), 127); \
+ (ptr) = PyUnicode_DATA(obj); \
+ } while (0)
+# define TEXT_DONEWRITE(obj, len) do { \
+ size_t len_ = (len); \
+ assert(PyUnicode_IS_COMPACT_ASCII(obj)); \
+ ((char *)PyUnicode_DATA(obj))[len_] = 0; \
+ ((PyASCIIObject *)(obj))->length = len_; \
+ } while (0)
+# else
+# define TEXT_PTR(obj) _PyUnicode_AsString(obj)
+# define TEXT_STR(obj) _PyUnicode_AsString(obj)
+# define TEXT_PTRLEN(obj, ptr, len) do { \
+ Py_ssize_t len_; \
+ (ptr) = _PyUnicode_AsStringAndSize((obj), &len_); \
+ (len) = len_; \
+ } while (0)
+# define TEXT_PREPAREWRITE(obj, ptr, sz) do { \
+ (obj) = PyBytes_FromStringAndSize(0, (sz)); \
+ (ptr) = PyBytes_AS_STRING(obj); \
+ } while (0)
+# define TEXT_DONEWRITE(obj, len) do { \
+ PyObject *new_; \
+ Py_SIZE(obj) = (len); \
+ new_ = PyUnicode_FromEncodedObject(obj, 0, 0); \
+ assert(new_); Py_DECREF(obj); (obj) = new_; \
+ } while (0)
+# endif
+# define TEXT_FORMAT PyUnicode_FromFormat
+# define TEXT_VFORMAT PyUnicode_FromFormatV
+# define TEXT_FROMSTR(str) PyUnicode_FromString(str)
+# define TEXT_FROMSTRLEN(str, len) PyUnicode_FromStringAndSize(str, len)
+#else
+# define TEXTOBJ PyStringObject
+# define TEXT_TYPE PyString_Type
+# define TEXT_CHECK(obj) PyString_Check(obj)
+# define TEXT_PTR(obj) PyString_AS_STRING(obj)
+# define TEXT_STR(obj) PyString_AsString(obj)
+# define TEXT_PTRLEN(obj, ptr, len) do { \
+ (ptr) = PyString_AS_STRING(obj); \
+ (len) = PyString_GET_SIZE(obj); \
+ } while (0)
+# define TEXT_FORMAT PyString_FromFormat
+# define TEXT_VFORMAT PyString_FromFormatV
+# define TEXT_PREPAREWRITE(obj, ptr, sz) do { \
+ (obj) = PyString_FromStringAndSize(0, (sz)); \
+ (ptr) = PyString_AS_STRING(obj); \
+ } while (0)
+# define TEXT_DONEWRITE(obj, sz) do { Py_SIZE(obj) = (sz); } while (0)
+# define TEXT_FROMSTR(str) PyString_FromString(str)
+# define TEXT_FROMSTRLEN(str, len) PyString_FromStringAndSize(str, len)
+#endif
+
/*----- Utilities for returning values and exceptions ---------------------*/
/* Returning values. */
extern PyObject *abstract_pynew(PyTypeObject *, PyObject *, PyObject *);
/* A `tp_new' function which refuses to make the object. */
+extern PyObject *enrich_compare(int /*op*/, int /*cmp*/);
+ /* Use a traditional compare-against-zero comparison result CMP to answer a
+ * modern Python `tp_richcompare' operation OP.
+ */
+
#ifndef CONVERT_CAREFULLY
# define CONVERT_CAREFULLY(newty, expty, obj) \
(!sizeof(*(expty *)0 = (obj)) + (/*unconst*/ newty)(obj))
/*----- Populating modules ------------------------------------------------*/
extern PyObject *modname;
- /* The overall module name. Set this with `PyString_FromString'. */
+ /* The overall module name. Set this with `TEXT_FROMSTR'. */
extern PyObject *home_module;
/* The overall module object. */
#define GMAP_NAMETHDECL(func, doc) \
extern PyObject *gmapmeth_##func(PyObject *);
-#define GMAP_DOROMETHODS(METH, KWMETH, NAMETH) \
- METH (has_key, "D.has_key(KEY) -> BOOL") \
- NAMETH(keys, "D.keys() -> LIST") \
- NAMETH(values, "D.values() -> LIST") \
- NAMETH(items, "D.items() -> LIST") \
- NAMETH(iterkeys, "D.iterkeys() -> ITER") \
- NAMETH(itervalues, "D.itervalues() -> ITER") \
- NAMETH(iteritems, "D.iteritems() -> ITER") \
- KWMETH(get, "D.get(KEY, [default = None]) -> VALUE")
+#ifdef PY3
+# define GMAP_DOROMETHODS(METH, KWMETH, NAMETH) \
+ NAMETH(keys, "D.keys() -> LIST") \
+ NAMETH(values, "D.values() -> LIST") \
+ NAMETH(items, "D.items() -> LIST") \
+ KWMETH(get, "D.get(KEY, [default = None]) -> VALUE")
+#else
+# define GMAP_DOROMETHODS(METH, KWMETH, NAMETH) \
+ METH (has_key, "D.has_key(KEY) -> BOOL") \
+ NAMETH(keys, "D.keys() -> LIST") \
+ NAMETH(values, "D.values() -> LIST") \
+ NAMETH(items, "D.items() -> LIST") \
+ NAMETH(iterkeys, "D.iterkeys() -> ITER") \
+ NAMETH(itervalues, "D.itervalues() -> ITER") \
+ NAMETH(iteritems, "D.iteritems() -> ITER") \
+ KWMETH(get, "D.get(KEY, [default = None]) -> VALUE")
+#endif
#define GMAP_DOMETHODS(METH, KWMETH, NAMETH) \
GMAP_DOROMETHODS(METH, KWMETH, NAMETH) \
~mdw / pyke / blobdiff