ariovistus  committed e2a5b3e

added a d -> python bytes function.

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File infrastructure/deimos/python/stringobject.d

     return Py_TYPE(op) == &PyString_Type;
+   For PyString_FromString(), the parameter `str' points to a null-terminated
+   string containing exactly `size' bytes.
+   For PyString_FromStringAndSize(), the parameter the parameter `str' is
+   either NULL or else points to a string containing at least `size' bytes.
+   For PyString_FromStringAndSize(), the string in the `str' parameter does
+   not have to be null-terminated.  (Therefore it is safe to construct a
+   substring by calling `PyString_FromStringAndSize(origstring, substrlen)'.)
+   If `str' is NULL then PyString_FromStringAndSize() will allocate `size+1'
+   bytes (setting the last byte to the null terminating character) and you can
+   fill in the data yourself.  If `str' is non-NULL then the resulting
+   PyString object must be treated as immutable and you must not fill in nor
+   alter the data yourself, since the strings may be shared.
+   The PyObject member `op->ob_size', which denotes the number of "extra
+   items" in a variable-size object, will contain the number of bytes
+   allocated for string data, not counting the null terminating character.
+   It is therefore equal to the `size' parameter (for
+   PyString_FromStringAndSize()) or the length of the string in the `str'
+   parameter (for PyString_FromString()).
 PyObject* PyString_FromStringAndSize(const(char)*, Py_ssize_t);
+/// ditto
 PyObject* PyString_FromString(const(char)*);
 PyObject* PyString_FromFormatV(const(char)*,  va_list); 
 PyObject* PyString_FromFormat(const(char)*, ...);

File infrastructure/pyd/make_object.d

         PyObject* pyformat = d_to_python(format);
         // stinking py2 array won't take unicode
-        PyObject* pyformat = PyString_FromStringAndSize(format.ptr, format.length);
+        PyObject* pyformat = d_to_python_bytes(format);
     PyObject* args = PyTuple_New(1);
     PyTuple_SetItem(args, 0, pyformat);
     return obj;
+  Convert a D object to python bytes (str, in python 2).
+PyObject* d_to_python_bytes(T)(T t) if(is(T == string)) {
+    return PyBytes_FromStringAndSize(t.ptr, t.length);
 /** Convert an iterable Python object to a D object.
   * Used by python_to_d.