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Add the 'bool' type and its values 'False' and 'True', as described in

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PEP 285.  Everything described in the PEP is here, and there is even
some documentation.  I had to fix 12 unit tests; all but one of these
were printing Boolean outcomes that changed from 0/1 to False/True.
(The exception is test_unicode.py, which did a type(x) == type(y)
style comparison.  I could've fixed that with a single line using
issubtype(x, type(y)), but instead chose to be explicit about those
places where a bool is expected.

Still to do: perhaps more documentation; change standard library
modules to return False/True from predicates.
This commit is contained in:
Guido van Rossum 2002-04-03 22:41:51 +00:00
parent e9c0358bf4
commit 77f6a65eb0
29 changed files with 489 additions and 378 deletions
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16
Python/marshal.c
View file

@ -17,6 +17,8 @@
#define TYPE_NULL '0'
#define TYPE_NONE 'N'
#define TYPE_FALSE 'F'
#define TYPE_TRUE 'T'
#define TYPE_STOPITER 'S'
#define TYPE_ELLIPSIS '.'
#define TYPE_INT 'i'
@ -126,6 +128,12 @@ w_object(PyObject *v, WFILE *p)
else if (v == Py_Ellipsis) {
w_byte(TYPE_ELLIPSIS, p);
}
else if (v == Py_False) {
w_byte(TYPE_FALSE, p);
}
else if (v == Py_True) {
w_byte(TYPE_TRUE, p);
}
else if (PyInt_Check(v)) {
long x = PyInt_AS_LONG((PyIntObject *)v);
#if SIZEOF_LONG > 4
@ -398,6 +406,14 @@ r_object(RFILE *p)
Py_INCREF(Py_Ellipsis);
return Py_Ellipsis;
case TYPE_FALSE:
Py_INCREF(Py_False);
return Py_False;
case TYPE_TRUE:
Py_INCREF(Py_True);
return Py_True;
case TYPE_INT:
return PyInt_FromLong(r_long(p));