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-rw-r--r--Python/Makefile.in7
-rw-r--r--Python/bltinmodule.c611
-rw-r--r--Python/ceval.c106
-rw-r--r--Python/compile.c8
-rw-r--r--Python/errors.c27
-rw-r--r--Python/getargs.c24
-rw-r--r--Python/import.c1249
-rw-r--r--Python/importdl.c381
-rw-r--r--Python/importdl.h39
-rw-r--r--Python/marshal.c8
-rw-r--r--Python/modsupport.c291
-rw-r--r--Python/pythonrun.c15
-rw-r--r--Python/sysmodule.c3
-rw-r--r--Python/thread_solaris.h2
-rw-r--r--Python/traceback.c1
15 files changed, 1777 insertions, 995 deletions
diff --git a/Python/Makefile.in b/Python/Makefile.in
index 54be6af..d5ced26 100644
--- a/Python/Makefile.in
+++ b/Python/Makefile.in
@@ -35,7 +35,7 @@ OBJS= \
errors.o \
frozenmain.o \
getargs.o getmtime.o graminit.o \
- import.o \
+ import.o importdl.o \
marshal.o modsupport.o mystrtoul.o \
pythonmain.o pythonrun.o \
sigcheck.o structmember.o sysmodule.o \
@@ -66,8 +66,8 @@ Makefile: $(srcdir)/Makefile.in ../config.status
(cd ..; CONFIG_FILES=Python/Makefile CONFIG_HEADERS= \
$(SHELL) config.status)
-import.o: import.c
- $(CC) $(CFLAGS) -I$(DLINCLDIR) -c $(srcdir)/import.c
+importdl.o: importdl.c
+ $(CC) $(CFLAGS) -I$(DLINCLDIR) -c $(srcdir)/importdl.c
depend:
$(MKDEP) $(CFLAGS) `echo $(OBJS) | tr ' ' '\012' | \
@@ -88,6 +88,7 @@ getcwd.o: getcwd.c
getmtime.o: getmtime.c
graminit.o: graminit.c
import.o: import.c
+importdl.o: importdl.c
marshal.o: marshal.c
memmove.o: memmove.c
modsupport.o: modsupport.c
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index 4f6c852..39dcc41 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -40,15 +40,35 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
/* Forward */
static object *filterstring PROTO((object *, object *));
static object *filtertuple PROTO((object *, object *));
-static object *exec_eval PROTO((object *v, int start));
static object *
-builtin_abs(self, v)
+builtin___import__(self, args)
object *self;
- object *v;
+ object *args;
{
+ char *name;
+ object *m;
+
+ if (!newgetargs(args, "s:__import__", &name))
+ return NULL;
+ m = import_module(name);
+ XINCREF(m);
+
+ return m;
+}
+
+
+static object *
+builtin_abs(self, args)
+ object *self;
+ object *args;
+{
+ object *v;
number_methods *nm;
- if (v == NULL || (nm = v->ob_type->tp_as_number) == NULL) {
+
+ if (!newgetargs(args, "O:abs", &v))
+ return NULL;
+ if ((nm = v->ob_type->tp_as_number) == NULL) {
err_setstr(TypeError, "abs() requires numeric argument");
return NULL;
}
@@ -61,7 +81,8 @@ builtin_apply(self, args)
object *args;
{
object *func, *arglist;
- if (!getargs(args, "(OO)", &func, &arglist))
+
+ if (!newgetargs(args, "OO:apply", &func, &arglist))
return NULL;
if (!is_tupleobject(arglist)) {
err_setstr(TypeError, "apply() 2nd argument must be tuple");
@@ -101,12 +122,11 @@ builtin_callable(self, args)
object *self;
object *args;
{
- if (args == NULL) {
- err_setstr(TypeError,
- "callable requires exactly one argument");
+ object *v;
+
+ if (!newgetargs(args, "O:callable", &v))
return NULL;
- }
- return newintobject((long)callable(args));
+ return newintobject((long)callable(v));
}
static object *
@@ -119,7 +139,7 @@ builtin_filter(self, args)
int len;
register int i, j;
- if (!getargs(args, "(OO)", &func, &seq))
+ if (!newgetargs(args, "OO:filter", &func, &seq))
return NULL;
if (is_stringobject(seq)) {
@@ -212,7 +232,8 @@ builtin_chr(self, args)
{
long x;
char s[1];
- if (!getargs(args, "l", &x))
+
+ if (!newgetargs(args, "l:chr", &x))
return NULL;
if (x < 0 || x >= 256) {
err_setstr(ValueError, "chr() arg not in range(256)");
@@ -228,7 +249,8 @@ builtin_cmp(self, args)
object *args;
{
object *a, *b;
- if (!getargs(args, "(OO)", &a, &b))
+
+ if (!newgetargs(args, "OO:cmp", &a, &b))
return NULL;
return newintobject((long)cmpobject(a, b));
}
@@ -241,7 +263,7 @@ builtin_coerce(self, args)
object *v, *w;
object *res;
- if (!getargs(args, "(OO)", &v, &w))
+ if (!newgetargs(args, "OO:coerce", &v, &w))
return NULL;
if (is_instanceobject(v) || is_instanceobject(w))
return instancebinop(v, w, "__coerce__", "__rcoerce__");
@@ -262,7 +284,8 @@ builtin_compile(self, args)
char *filename;
char *startstr;
int start;
- if (!getargs(args, "(sss)", &str, &filename, &startstr))
+
+ if (!newgetargs(args, "sss:compile", &str, &filename, &startstr))
return NULL;
if (strcmp(startstr, "exec") == 0)
start = file_input;
@@ -277,11 +300,15 @@ builtin_compile(self, args)
}
static object *
-builtin_dir(self, v)
+builtin_dir(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v = NULL;
object *d;
+
+ if (!newgetargs(args, "|O:dir", &v))
+ return NULL;
if (v == NULL) {
d = getlocals();
INCREF(d);
@@ -314,13 +341,15 @@ builtin_divmod(self, args)
object *args;
{
object *v, *w, *x;
- if (!getargs(args, "(OO)", &v, &w))
+
+ if (!newgetargs(args, "OO:divmod", &v, &w))
return NULL;
if (is_instanceobject(v) || is_instanceobject(w))
return instancebinop(v, w, "__divmod__", "__rdivmod__");
if (v->ob_type->tp_as_number == NULL ||
w->ob_type->tp_as_number == NULL) {
- err_setstr(TypeError, "divmod() requires numeric or class instance arguments");
+ err_setstr(TypeError,
+ "divmod() requires numeric or class instance arguments");
return NULL;
}
if (coerce(&v, &w) != 0)
@@ -332,110 +361,80 @@ builtin_divmod(self, args)
}
static object *
-exec_eval(v, start)
- object *v;
- int start;
+builtin_eval(self, args)
+ object *self;
+ object *args;
{
- object *str = NULL, *globals = NULL, *locals = NULL;
- char *s;
- int n;
- /* XXX This is a bit of a mess. Should make it varargs */
- if (v != NULL) {
- if (is_tupleobject(v) &&
- ((n = gettuplesize(v)) == 2 || n == 3)) {
- str = gettupleitem(v, 0);
- globals = gettupleitem(v, 1);
- if (n == 3)
- locals = gettupleitem(v, 2);
- }
- else
- str = v;
- }
- if (str == NULL || (!is_stringobject(str) && !is_codeobject(str)) ||
- globals != NULL && !is_dictobject(globals) ||
- locals != NULL && !is_dictobject(locals)) {
- err_setstr(TypeError,
- "eval arguments must be (string|code)[,dict[,dict]]");
- return NULL;
- }
+ object *cmd;
+ object *globals = NULL, *locals = NULL;
+ char *str;
- if (is_codeobject(str))
- return eval_code((codeobject *) str, globals, locals,
+ if (!newgetargs(args, "O|O!O!:eval",
+ &cmd,
+ &Mappingtype, &globals,
+ &Mappingtype, &locals))
+ return NULL;
+ if (is_codeobject(cmd))
+ return eval_code((codeobject *) cmd, globals, locals,
(object *)NULL, (object *)NULL);
- s = getstringvalue(str);
- if (strlen(s) != getstringsize(str)) {
- err_setstr(ValueError, "embedded '\\0' in string arg");
+ if (!is_stringobject(cmd)) {
+ err_setstr(TypeError,
+ "eval() argument 1 must be string or code object");
return NULL;
}
- if (start == eval_input) {
- while (*s == ' ' || *s == '\t')
- s++;
+ str = getstringvalue(cmd);
+ if (strlen(str) != getstringsize(cmd)) {
+ err_setstr(ValueError,
+ "embedded '\\0' in string arg");
+ return NULL;
}
- return run_string(s, start, globals, locals);
-}
-
-static object *
-builtin_eval(self, v)
- object *self;
- object *v;
-{
- return exec_eval(v, eval_input);
+ while (*str == ' ' || *str == '\t')
+ str++;
+ return run_string(str, eval_input, globals, locals);
}
static object *
-builtin_execfile(self, v)
+builtin_execfile(self, args)
object *self;
- object *v;
+ object *args;
{
- object *str = NULL, *globals = NULL, *locals = NULL, *w;
+ char *filename;
+ object *globals = NULL, *locals = NULL;
+ object *res;
FILE* fp;
char *s;
int n;
- if (v != NULL) {
- if (is_stringobject(v))
- str = v;
- else if (is_tupleobject(v) &&
- ((n = gettuplesize(v)) == 2 || n == 3)) {
- str = gettupleitem(v, 0);
- globals = gettupleitem(v, 1);
- if (n == 3)
- locals = gettupleitem(v, 2);
- }
- }
- if (str == NULL || !is_stringobject(str) ||
- globals != NULL && !is_dictobject(globals) ||
- locals != NULL && !is_dictobject(locals)) {
- err_setstr(TypeError,
- "execfile arguments must be filename[,dict[,dict]]");
- return NULL;
- }
- s = getstringvalue(str);
- if (strlen(s) != getstringsize(str)) {
- err_setstr(ValueError, "embedded '\\0' in string arg");
+
+ if (!newgetargs(args, "s|O!O!:execfile",
+ &filename,
+ &Mappingtype, &globals,
+ &Mappingtype, &locals))
return NULL;
- }
BGN_SAVE
- fp = fopen(s, "r");
+ fp = fopen(filename, "r");
END_SAVE
if (fp == NULL) {
- err_setstr(IOError, "execfile cannot open the file argument");
+ err_errno(IOError);
return NULL;
}
- w = run_file(fp, getstringvalue(str), file_input, globals, locals);
+ res = run_file(fp, filename, file_input, globals, locals);
BGN_SAVE
fclose(fp);
END_SAVE
- return w;
+ return res;
}
static object *
-builtin_float(self, v)
+builtin_float(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v;
number_methods *nb;
-
- if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL ||
+
+ if (!newgetargs(args, "O:float", &v))
+ return NULL;
+ if ((nb = v->ob_type->tp_as_number) == NULL ||
nb->nb_float == NULL) {
err_setstr(TypeError,
"float() argument can't be converted to float");
@@ -451,7 +450,8 @@ builtin_getattr(self, args)
{
object *v;
object *name;
- if (!getargs(args, "(OS)", &v, &name))
+
+ if (!newgetargs(args, "OS:getattr", &v, &name))
return NULL;
return getattro(v, name);
}
@@ -463,7 +463,8 @@ builtin_hasattr(self, args)
{
object *v;
object *name;
- if (!getargs(args, "(OS)", &v, &name))
+
+ if (!newgetargs(args, "OS:hasattr", &v, &name))
return NULL;
v = getattro(v, name);
if (v == NULL) {
@@ -480,7 +481,8 @@ builtin_id(self, args)
object *args;
{
object *v;
- if (!getargs(args, "O", &v))
+
+ if (!newgetargs(args, "O:id", &v))
return NULL;
return newintobject((long)v);
}
@@ -498,16 +500,17 @@ builtin_map(self, args)
object *func, *result;
sequence *seqs = NULL, *sqp;
- int n, len, newfunc = 0;
+ int n, len;
register int i, j;
- if (args == NULL || !is_tupleobject(args)) {
+ n = gettuplesize(args);
+ if (n < 2) {
err_setstr(TypeError, "map() requires at least two args");
return NULL;
}
func = gettupleitem(args, 0);
- n = gettuplesize(args) - 1;
+ n--;
if ((seqs = NEW(sequence, n)) == NULL) {
err_nomem();
@@ -633,7 +636,8 @@ builtin_setattr(self, args)
object *v;
object *name;
object *value;
- if (!getargs(args, "(OSO)", &v, &name, &value))
+
+ if (!newgetargs(args, "OSO:setattr", &v, &name, &value))
return NULL;
if (setattro(v, name, value) != 0)
return NULL;
@@ -648,7 +652,8 @@ builtin_delattr(self, args)
{
object *v;
object *name;
- if (!getargs(args, "(OS)", &v, &name))
+
+ if (!newgetargs(args, "OS:delattr", &v, &name))
return NULL;
if (setattro(v, name, (object *)NULL) != 0)
return NULL;
@@ -663,7 +668,8 @@ builtin_hash(self, args)
{
object *v;
long x;
- if (!getargs(args, "O", &v))
+
+ if (!newgetargs(args, "O:hash", &v))
return NULL;
x = hashobject(v);
if (x == -1)
@@ -672,13 +678,17 @@ builtin_hash(self, args)
}
static object *
-builtin_hex(self, v)
+builtin_hex(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v;
number_methods *nb;
+
+ if (!newgetargs(args, "O:hex", &v))
+ return NULL;
- if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL ||
+ if ((nb = v->ob_type->tp_as_number) == NULL ||
nb->nb_hex == NULL) {
err_setstr(TypeError,
"hex() argument can't be converted to hex");
@@ -690,26 +700,37 @@ builtin_hex(self, v)
static object *builtin_raw_input PROTO((object *, object *));
static object *
-builtin_input(self, v)
+builtin_input(self, args)
object *self;
- object *v;
+ object *args;
{
- object *line = builtin_raw_input(self, v);
+ object *line;
+ char *str;
+ object *res;
+
+ line = builtin_raw_input(self, args);
if (line == NULL)
return line;
- v = exec_eval(line, eval_input);
+ if (!getargs(line, "s;embedded '\\0' in input line", &str))
+ return NULL;
+ while (*str == ' ' || *str == '\t')
+ str++;
+ res = run_string(str, eval_input, (object *)NULL, (object *)NULL);
DECREF(line);
- return v;
+ return res;
}
static object *
-builtin_int(self, v)
+builtin_int(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v;
number_methods *nb;
-
- if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL ||
+
+ if (!newgetargs(args, "O:int", &v))
+ return NULL;
+ if ((nb = v->ob_type->tp_as_number) == NULL ||
nb->nb_int == NULL) {
err_setstr(TypeError,
"int() argument can't be converted to int");
@@ -719,16 +740,16 @@ builtin_int(self, v)
}
static object *
-builtin_len(self, v)
+builtin_len(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v;
long len;
typeobject *tp;
- if (v == NULL) {
- err_setstr(TypeError, "len() without argument");
+
+ if (!newgetargs(args, "O:len", &v))
return NULL;
- }
tp = v->ob_type;
if (tp->tp_as_sequence != NULL) {
len = (*tp->tp_as_sequence->sq_length)(v);
@@ -747,13 +768,16 @@ builtin_len(self, v)
}
static object *
-builtin_long(self, v)
+builtin_long(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v;
number_methods *nb;
- if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL ||
+ if (!newgetargs(args, "O:long", &v))
+ return NULL;
+ if ((nb = v->ob_type->tp_as_number) == NULL ||
nb->nb_long == NULL) {
err_setstr(TypeError,
"long() argument can't be converted to long");
@@ -763,17 +787,18 @@ builtin_long(self, v)
}
static object *
-min_max(v, sign)
- object *v;
+min_max(args, sign)
+ object *args;
int sign;
{
int i;
- object *w, *x;
+ object *v, *w, *x;
sequence_methods *sq;
- if (v == NULL) {
- err_setstr(TypeError, "min() or max() without argument");
+
+ if (gettuplesize(args) > 1)
+ v = args;
+ else if (!newgetargs(args, "O:min/max", &v))
return NULL;
- }
sq = v->ob_type->tp_as_sequence;
if (sq == NULL) {
err_setstr(TypeError, "min() or max() of non-sequence");
@@ -823,12 +848,15 @@ builtin_max(self, v)
}
static object *
-builtin_oct(self, v)
+builtin_oct(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v;
number_methods *nb;
-
+
+ if (!newgetargs(args, "O:oct", &v))
+ return NULL;
if (v == NULL || (nb = v->ob_type->tp_as_number) == NULL ||
nb->nb_oct == NULL) {
err_setstr(TypeError,
@@ -847,9 +875,8 @@ builtin_open(self, args)
char *mode = "r";
int bufsize = -1;
object *f;
- if (!getargs(args, "s", &name) &&
- (err_clear(), !getargs(args, "(ss)", &name, &mode)) &&
- (err_clear(), !getargs(args, "(ssi)", &name, &mode, &bufsize)))
+
+ if (!newgetargs(args, "s|si:open", &name, &mode, &bufsize))
return NULL;
f = newfileobject(name, mode);
if (f != NULL)
@@ -862,15 +889,11 @@ builtin_ord(self, args)
object *self;
object *args;
{
- char *s;
- int len;
- if (!getargs(args, "s#", &s, &len))
- return NULL;
- if (len != 1) {
- err_setstr(ValueError, "ord() arg must have length 1");
+ char c;
+
+ if (!newgetargs(args, "c:ord", &c))
return NULL;
- }
- return newintobject((long)(s[0] & 0xff));
+ return newintobject((long)(c & 0xff));
}
static object *
@@ -878,9 +901,9 @@ builtin_pow(self, args)
object *self;
object *args;
{
- object *v, *w, *z, *x;
- z = None;
- if (!newgetargs(args, "OO|O", &v, &w, &z))
+ object *v, *w, *z = None, *x;
+
+ if (!newgetargs(args, "OO|O:pow", &v, &w, &z))
return NULL;
if (z == None) {
if (is_instanceobject(v) || is_instanceobject(w))
@@ -913,43 +936,25 @@ builtin_pow(self, args)
}
static object *
-builtin_range(self, v)
+builtin_range(self, args)
object *self;
- object *v;
+ object *args;
{
- static char *errmsg = "range() requires 1-3 int arguments";
+ long ilow = 0, ihigh = 0, istep = 1;
int i, n;
- long ilow, ihigh, istep;
- if (v != NULL && is_intobject(v)) {
- ilow = 0; ihigh = getintvalue(v); istep = 1;
- }
- else if (v == NULL || !is_tupleobject(v)) {
- err_setstr(TypeError, errmsg);
- return NULL;
+ object *v;
+
+ if (gettuplesize(args) <= 1) {
+ if (!newgetargs(args,
+ "i;range() requires 1-3 int arguments",
+ &ihigh))
+ return NULL;
}
else {
- n = gettuplesize(v);
- if (n < 1 || n > 3) {
- err_setstr(TypeError, errmsg);
+ if (!newgetargs(args,
+ "ii|i;range() requires 1-3 int arguments",
+ &ilow, &ihigh, &istep))
return NULL;
- }
- for (i = 0; i < n; i++) {
- if (!is_intobject(gettupleitem(v, i))) {
- err_setstr(TypeError, errmsg);
- return NULL;
- }
- }
- if (n == 3) {
- istep = getintvalue(gettupleitem(v, 2));
- --n;
- }
- else
- istep = 1;
- ihigh = getintvalue(gettupleitem(v, --n));
- if (n > 0)
- ilow = getintvalue(gettupleitem(v, 0));
- else
- ilow = 0;
}
if (istep == 0) {
err_setstr(ValueError, "zero step for range()");
@@ -978,73 +983,66 @@ builtin_range(self, v)
}
static object *
-builtin_xrange(self, v)
+builtin_xrange(self, args)
object *self;
- object *v;
+ object *args;
{
- static char *errmsg = "xrange() requires 1-3 int arguments";
- int i, n;
- long start, stop, step, len;
- if (v != NULL && is_intobject(v))
- start = 0, stop = getintvalue(v), step = 1;
+ long ilow = 0, ihigh = 0, istep = 1;
+ int n;
+ object *v;
- else if (v == NULL || !is_tupleobject(v)) {
- err_setstr(TypeError, errmsg);
- return NULL;
+ if (gettuplesize(args) <= 1) {
+ if (!newgetargs(args,
+ "i;xrange() requires 1-3 int arguments",
+ &ihigh))
+ return NULL;
}
else {
- n = gettuplesize(v);
- if (n < 1 || n > 3) {
- err_setstr(TypeError, errmsg);
+ if (!newgetargs(args,
+ "ii|i;xrange() requires 1-3 int arguments",
+ &ilow, &ihigh, &istep))
return NULL;
- }
- for (i = 0; i < n; i++) {
- if (!is_intobject(gettupleitem(v, i))) {
- err_setstr(TypeError, errmsg);
- return NULL;
- }
- }
- if (n == 3) {
- step = getintvalue(gettupleitem(v, 2));
- --n;
- }
- else
- step = 1;
- stop = getintvalue(gettupleitem(v, --n));
- if (n > 0)
- start = getintvalue(gettupleitem(v, 0));
- else
- start = 0;
}
-
- if (step == 0) {
+ if (istep == 0) {
err_setstr(ValueError, "zero step for xrange()");
return NULL;
}
-
- len = (stop - start + step + ((step > 0) ? -1 : 1)) / step;
- if (len < 0)
- len = 0;
-
- return newrangeobject(start, len, step, 1);
+ /* XXX ought to check overflow of subtraction */
+ if (istep > 0)
+ n = (ihigh - ilow + istep - 1) / istep;
+ else
+ n = (ihigh - ilow + istep + 1) / istep;
+ if (n < 0)
+ n = 0;
+ return newrangeobject(ilow, n, istep, 1);
}
static object *
-builtin_raw_input(self, v)
+builtin_raw_input(self, args)
object *self;
- object *v;
+ object *args;
{
- object *f = sysget("stdout");
- if (f == NULL) {
- err_setstr(RuntimeError, "lost sys.stdout");
+ object *v = NULL;
+ object *f;
+
+ if (!newgetargs(args, "|O:[raw_]input", &v))
return NULL;
- }
- flushline();
if (v != NULL) {
+ f = sysget("stdout");
+ if (f == NULL) {
+ err_setstr(RuntimeError, "lost sys.stdout");
+ return NULL;
+ }
+ flushline();
if (writeobject(v, f, PRINT_RAW) != 0)
return NULL;
}
- return filegetline(sysget("stdin"), -1);
+ f = sysget("stdin");
+ if (f == NULL) {
+ err_setstr(RuntimeError, "lost sys.stdin");
+ return NULL;
+ }
+ return filegetline(f, -1);
}
static object *
@@ -1052,18 +1050,14 @@ builtin_reduce(self, args)
object *self;
object *args;
{
- object *seq, *func, *result;
+ object *seq, *func, *result = NULL;
sequence_methods *sqf;
register int i;
- if (getargs(args, "(OO)", &func, &seq))
- result = NULL;
- else {
- err_clear();
- if (!getargs(args, "(OOO)", &func, &seq, &result))
- return NULL;
+ if (!newgetargs(args, "OO|O:reduce", &func, &seq, &result))
+ return NULL;
+ if (result != NULL)
INCREF(result);
- }
if ((sqf = seq->ob_type->tp_as_sequence) == NULL) {
err_setstr(TypeError,
@@ -1116,22 +1110,26 @@ Fail:
}
static object *
-builtin_reload(self, v)
+builtin_reload(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v;
+
+ if (!newgetargs(args, "O:reload", &v))
+ return NULL;
return reload_module(v);
}
static object *
-builtin_repr(self, v)
+builtin_repr(self, args)
object *self;
- object *v;
+ object *args;
{
- if (v == NULL) {
- err_badarg();
+ object *v;
+
+ if (!newgetargs(args, "O:repr", &v))
return NULL;
- }
return reprobject(v);
}
@@ -1145,13 +1143,10 @@ builtin_round(self, args)
double x;
double f;
int ndigits = 0;
- int sign = 1;
int i;
- if (!getargs(args, "d", &x)) {
- err_clear();
- if (!getargs(args, "(di)", &x, &ndigits))
+
+ if (!newgetargs(args, "d|i:round", &x, &ndigits))
return NULL;
- }
f = 1.0;
for (i = ndigits; --i >= 0; )
f = f*10.0;
@@ -1164,25 +1159,27 @@ builtin_round(self, args)
}
static object *
-builtin_str(self, v)
+builtin_str(self, args)
object *self;
- object *v;
+ object *args;
{
- if (v == NULL) {
- err_badarg();
+ object *v;
+
+ if (!newgetargs(args, "O:str", &v))
return NULL;
- }
return strobject(v);
}
static object *
-builtin_tuple(self, v)
+builtin_tuple(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v;
sequence_methods *sqf;
- if (v == NULL)
- v = None; /* Force error later */
+
+ if (!newgetargs(args, "O:tuple", &v))
+ return NULL;
if (is_tupleobject(v)) {
INCREF(v);
return v;
@@ -1235,25 +1232,29 @@ builtin_tuple(self, v)
}
static object *
-builtin_type(self, v)
+builtin_type(self, args)
object *self;
- object *v;
+ object *args;
{
- if (v == NULL) {
- err_setstr(TypeError, "type() requires an argument");
+ object *v;
+
+ if (!newgetargs(args, "O:type", &v))
return NULL;
- }
v = (object *)v->ob_type;
INCREF(v);
return v;
}
static object *
-builtin_vars(self, v)
+builtin_vars(self, args)
object *self;
- object *v;
+ object *args;
{
+ object *v = NULL;
object *d;
+
+ if (!newgetargs(args, "|O:vars", &v))
+ return NULL;
if (v == NULL) {
d = getlocals();
INCREF(d);
@@ -1270,48 +1271,49 @@ builtin_vars(self, v)
}
static struct methodlist builtin_methods[] = {
- {"abs", builtin_abs},
- {"apply", builtin_apply},
- {"callable", builtin_callable},
- {"chr", builtin_chr},
- {"cmp", builtin_cmp},
- {"coerce", builtin_coerce},
- {"compile", builtin_compile},
- {"delattr", builtin_delattr},
- {"dir", builtin_dir},
- {"divmod", builtin_divmod},
- {"eval", builtin_eval},
- {"execfile", builtin_execfile},
- {"filter", builtin_filter},
- {"float", builtin_float},
- {"getattr", builtin_getattr},
- {"hasattr", builtin_hasattr},
- {"hash", builtin_hash},
- {"hex", builtin_hex},
- {"id", builtin_id},
- {"input", builtin_input},
- {"int", builtin_int},
- {"len", builtin_len},
- {"long", builtin_long},
- {"map", builtin_map},
- {"max", builtin_max},
- {"min", builtin_min},
- {"oct", builtin_oct},
- {"open", builtin_open},
- {"ord", builtin_ord},
+ {"__import__", builtin___import__, 1},
+ {"abs", builtin_abs, 1},
+ {"apply", builtin_apply, 1},
+ {"callable", builtin_callable, 1},
+ {"chr", builtin_chr, 1},
+ {"cmp", builtin_cmp, 1},
+ {"coerce", builtin_coerce, 1},
+ {"compile", builtin_compile, 1},
+ {"delattr", builtin_delattr, 1},
+ {"dir", builtin_dir, 1},
+ {"divmod", builtin_divmod, 1},
+ {"eval", builtin_eval, 1},
+ {"execfile", builtin_execfile, 1},
+ {"filter", builtin_filter, 1},
+ {"float", builtin_float, 1},
+ {"getattr", builtin_getattr, 1},
+ {"hasattr", builtin_hasattr, 1},
+ {"hash", builtin_hash, 1},
+ {"hex", builtin_hex, 1},
+ {"id", builtin_id, 1},
+ {"input", builtin_input, 1},
+ {"int", builtin_int, 1},
+ {"len", builtin_len, 1},
+ {"long", builtin_long, 1},
+ {"map", builtin_map, 1},
+ {"max", builtin_max, 1},
+ {"min", builtin_min, 1},
+ {"oct", builtin_oct, 1},
+ {"open", builtin_open, 1},
+ {"ord", builtin_ord, 1},
{"pow", builtin_pow, 1},
- {"range", builtin_range},
- {"raw_input", builtin_raw_input},
- {"reduce", builtin_reduce},
- {"reload", builtin_reload},
- {"repr", builtin_repr},
- {"round", builtin_round},
- {"setattr", builtin_setattr},
- {"str", builtin_str},
- {"tuple", builtin_tuple},
- {"type", builtin_type},
- {"vars", builtin_vars},
- {"xrange", builtin_xrange},
+ {"range", builtin_range, 1},
+ {"raw_input", builtin_raw_input, 1},
+ {"reduce", builtin_reduce, 1},
+ {"reload", builtin_reload, 1},
+ {"repr", builtin_repr, 1},
+ {"round", builtin_round, 1},
+ {"setattr", builtin_setattr, 1},
+ {"str", builtin_str, 1},
+ {"tuple", builtin_tuple, 1},
+ {"type", builtin_type, 1},
+ {"vars", builtin_vars, 1},
+ {"xrange", builtin_xrange, 1},
{NULL, NULL},
};
@@ -1324,6 +1326,13 @@ getbuiltin(name)
return mappinglookup(builtin_dict, name);
}
+object *
+getbuiltins(name)
+ char *name;
+{
+ return dictlookup(builtin_dict, name);
+}
+
int
setbuiltin(cname, value)
char *cname;
diff --git a/Python/ceval.c b/Python/ceval.c
index 26b3ce3..2a3fe7b 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -43,11 +43,11 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
extern int suppress_print; /* Declared in pythonrun.c, set in pythonmain.c */
/* Turn this on if your compiler chokes on the big switch: */
-/* #define CASE_TOO_BIG 1 /**/
+/* #define CASE_TOO_BIG 1 */
/* Turn this on if you want to debug the interpreter: */
/* (This can be on even if NDEBUG is defined) */
-/* #define DEBUG 1 /**/
+/* #define DEBUG 1 */
#if defined(DEBUG) || !defined(NDEBUG)
/* For debugging the interpreter: */
@@ -1254,8 +1254,8 @@ eval_code(co, globals, locals, owner, arg)
DECREF(v);
break;
}
- XDECREF(w);
GETLISTITEM(fastlocals, oparg) = v;
+ XDECREF(w);
break;
case DELETE_FAST:
@@ -1270,8 +1270,8 @@ eval_code(co, globals, locals, owner, arg)
(object *)NULL);
break;
}
- DECREF(x);
GETLISTITEM(fastlocals, oparg) = NULL;
+ DECREF(x);
break;
case BUILD_TUPLE:
@@ -1323,10 +1323,22 @@ eval_code(co, globals, locals, owner, arg)
break;
case IMPORT_NAME:
- name = GETNAME(oparg);
- x = import_module(name);
- XINCREF(x);
- PUSH(x);
+ w = GETNAMEV(oparg);
+ x = getbuiltins("__import__");
+ if (x == NULL) {
+ err_setstr(ImportError,
+ "__import__ not found");
+ break;
+ }
+ w = mkvalue("(O)", w);
+ if (w == NULL) {
+ x = NULL;
+ break;
+ }
+ x = call_object(x, w);
+ DECREF(w);
+ if (x)
+ PUSH(x);
break;
case IMPORT_FROM:
@@ -1408,7 +1420,7 @@ eval_code(co, globals, locals, owner, arg)
case SET_LINENO:
#ifdef LLTRACE
if (lltrace)
- printf("--- Line %d ---\n", oparg);
+ printf("--- %s:%d \n", filename, oparg);
#endif
f->f_lineno = oparg;
if (f->f_trace != NULL) {
@@ -1497,24 +1509,23 @@ eval_code(co, globals, locals, owner, arg)
b->b_type == SETUP_EXCEPT &&
why == WHY_EXCEPTION) {
if (why == WHY_EXCEPTION) {
- object *exc, *val;
- err_get(&exc, &val);
+ object *exc, *val, *tb;
+ err_fetch(&exc, &val, &tb);
if (val == NULL) {
val = None;
INCREF(val);
}
- v = tb_fetch();
/* Make the raw exception data
available to the handler,
so a program can emulate the
Python main loop. Don't do
this for 'finally'. */
if (b->b_type == SETUP_EXCEPT) {
- sysset("exc_traceback", v);
+ sysset("exc_traceback", tb);
sysset("exc_value", val);
sysset("exc_type", exc);
}
- PUSH(v);
+ PUSH(tb);
PUSH(val);
PUSH(exc);
}
@@ -1598,26 +1609,25 @@ call_exc_trace(p_trace, p_newtrace, f)
{
object *type, *value, *traceback, *arg;
int err;
- err_get(&type, &value);
+ err_fetch(&type, &value, &traceback);
if (value == NULL) {
value = None;
INCREF(value);
}
- traceback = tb_fetch();
- arg = newtupleobject(3);
- if (arg == NULL)
- goto cleanup;
- settupleitem(arg, 0, type);
- settupleitem(arg, 1, value);
- settupleitem(arg, 2, traceback);
+ arg = mkvalue("(OOO)", type, value, traceback);
+ if (arg == NULL) {
+ err_restore(type, value, traceback);
+ return;
+ }
err = call_trace(p_trace, p_newtrace, f, "exception", arg);
- if (!err) {
- cleanup:
- /* Restore original exception */
- err_setval(type, value);
- tb_store(traceback);
+ DECREF(arg);
+ if (err == 0)
+ err_restore(type, value, traceback);
+ else {
+ XDECREF(type);
+ XDECREF(value);
+ XDECREF(traceback);
}
- XDECREF(arg);
}
static int
@@ -1724,18 +1734,6 @@ getframe()
}
void
-printtraceback(f)
- object *f;
-{
- object *v = tb_fetch();
- if (v != NULL) {
- tb_print(v, f);
- DECREF(v);
- }
-}
-
-
-void
flushline()
{
object *f = sysget("stdout");
@@ -1818,7 +1816,7 @@ static object *
lshift(v, w)
object *v, *w;
{
- BINOP("__lshift__", "__rshift__");
+ BINOP("__lshift__", "__rlshift__");
if (v->ob_type->tp_as_number != NULL) {
object *x;
object * (*f) FPROTO((object *, object *));
@@ -1962,6 +1960,9 @@ static object *
rem(v, w)
object *v, *w;
{
+ if (is_stringobject(v)) {
+ return formatstring(v, w);
+ }
BINOP("__mod__", "__rmod__");
if (v->ob_type->tp_as_number != NULL) {
object *x;
@@ -1972,9 +1973,6 @@ rem(v, w)
DECREF(w);
return x;
}
- if (is_stringobject(v)) {
- return formatstring(v, w);
- }
err_setstr(TypeError, "bad operand type(s) for %");
return NULL;
}
@@ -2492,6 +2490,10 @@ import_from(locals, v, name)
object *name;
{
object *w, *x;
+ if (!is_moduleobject(v)) {
+ err_setstr(TypeError, "import-from require module object");
+ return -1;
+ }
w = getmoduledict(v);
if (getstringvalue(name)[0] == '*') {
int pos, err;
@@ -2542,6 +2544,22 @@ build_class(methods, bases, name)
err_setstr(SystemError, "build_class with non-tuple bases");
return NULL;
}
+ if (gettuplesize(bases) > 0) {
+ object *base;
+ base = gettupleitem(bases, 0);
+ /* Call the base's *type*, if it is callable.
+ This code is a hook for Donald Beaudry's type extensions.
+ In unexended Python it will never be triggered since its
+ types are not callable. */
+ if (base->ob_type->ob_type->tp_call) {
+ object *args;
+ object *class;
+ args = mkvalue("(OOO)", name, bases, methods);
+ class = call_object((object *)base->ob_type, args);
+ DECREF(args);
+ return class;
+ }
+ }
if (!is_dictobject(methods)) {
err_setstr(SystemError, "build_class with non-dictionary");
return NULL;
diff --git a/Python/compile.c b/Python/compile.c
index b3b610a..dbc6314 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -336,7 +336,7 @@ com_addbyte(c, byte)
if (byte < 0 || byte > 255) {
/*
fprintf(stderr, "XXX compiling bad byte: %d\n", byte);
- abort();
+ fatal("com_addbyte: byte out of range");
*/
err_setstr(SystemError, "com_addbyte: byte out of range");
c->c_errors++;
@@ -2379,7 +2379,7 @@ optimize(c)
int oparg;
object *name;
int fast_reserved;
- object *error_type, *error_value;
+ object *error_type, *error_value, *error_traceback;
#define NEXTOP() (*next_instr++)
#define NEXTARG() (next_instr += 2, (next_instr[-1]<<8) + next_instr[-2])
@@ -2393,7 +2393,7 @@ optimize(c)
}
nlocals = 0;
- err_get(&error_type, &error_value);
+ err_fetch(&error_type, &error_value, &error_traceback);
next_instr = (unsigned char *) getstringvalue(c->c_code);
for (;;) {
@@ -2493,7 +2493,7 @@ optimize(c)
}
end:
- err_setval(error_type, error_value);
+ err_restore(error_type, error_value, error_traceback);
err:
DECREF(locals);
}
diff --git a/Python/errors.c b/Python/errors.c
index bb3b605..9b0a8d2 100644
--- a/Python/errors.c
+++ b/Python/errors.c
@@ -60,6 +60,7 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include <errno.h>
+#ifndef NT
#ifdef macintosh
/*
** For the mac, there's a function macstrerror in macosmodule.c. We can't
@@ -68,9 +69,9 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#define strerror macstrerror
#include "macdefs.h" /* For CW to find EINTR */
-#endif /* macintosh */
-
+#endif /* !macintosh */
extern char *strerror PROTO((int));
+#endif /* !NT */
/* Last exception stored by err_setval() */
@@ -78,17 +79,27 @@ static object *last_exception;
static object *last_exc_val;
void
-err_setval(exception, value)
+err_restore(exception, value, traceback)
object *exception;
object *value;
+ object *traceback;
{
err_clear();
- XINCREF(exception);
last_exception = exception;
-
- XINCREF(value);
last_exc_val = value;
+ (void) tb_store(traceback);
+ XDECREF(traceback);
+}
+
+void
+err_setval(exception, value)
+ object *exception;
+ object *value;
+{
+ XINCREF(exception);
+ XINCREF(value);
+ err_restore(exception, value, (object *)NULL);
}
void
@@ -116,14 +127,16 @@ err_occurred()
}
void
-err_get(p_exc, p_val)
+err_fetch(p_exc, p_val, p_tb)
object **p_exc;
object **p_val;
+ object **p_tb;
{
*p_exc = last_exception;
last_exception = NULL;
*p_val = last_exc_val;
last_exc_val = NULL;
+ *p_tb = tb_fetch();
}
void
diff --git a/Python/getargs.c b/Python/getargs.c
index 15cd4e6..1232fd0 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -38,7 +38,7 @@ int vgetargs PROTO((object *, char *, va_list));
/* Forward */
-static int vgetargs1 PROTO((object *, char *, va_list, int));
+static int vgetargs1 PROTO((object *, char *, va_list *, int));
static void seterror PROTO((int, char *, int *, char *, char *));
static char *convertitem PROTO((object *, char **, va_list *, int *, char *));
static char *converttuple PROTO((object *, char **, va_list *,
@@ -68,7 +68,7 @@ int getargs(va_alist) va_dcl
args = va_arg(va, object *);
format = va_arg(va, char *);
#endif
- retval = vgetargs1(args, format, va, 1);
+ retval = vgetargs1(args, format, &va, 1);
va_end(va);
return retval;
}
@@ -95,7 +95,7 @@ int newgetargs(va_alist) va_dcl
args = va_arg(va, object *);
format = va_arg(va, char *);
#endif
- retval = vgetargs1(args, format, va, 0);
+ retval = vgetargs1(args, format, &va, 0);
va_end(va);
return retval;
}
@@ -107,15 +107,23 @@ vgetargs(args, format, va)
char *format;
va_list va;
{
- return vgetargs1(args, format, va, 0);
+ va_list lva;
+
+#ifdef VA_LIST_IS_ARRAY
+ memcpy(lva, va, sizeof(va_list));
+#else
+ lva = va;
+#endif
+
+ return vgetargs1(args, format, &lva, 0);
}
static int
-vgetargs1(args, format, va, compat)
+vgetargs1(args, format, p_va, compat)
object *args;
char *format;
- va_list va;
+ va_list *p_va;
int compat;
{
char msgbuf[256];
@@ -186,7 +194,7 @@ vgetargs1(args, format, va, compat)
err_setstr(TypeError, msgbuf);
return 0;
}
- msg = convertitem(args, &format, &va, levels, msgbuf);
+ msg = convertitem(args, &format, p_va, levels, msgbuf);
if (msg == NULL)
return 1;
seterror(levels[0], msg, levels+1, fname, message);
@@ -226,7 +234,7 @@ vgetargs1(args, format, va, compat)
for (i = 0; i < len; i++) {
if (*format == '|')
format++;
- msg = convertitem(gettupleitem(args, i), &format, &va,
+ msg = convertitem(gettupleitem(args, i), &format, p_va,
levels, msgbuf);
if (msg) {
seterror(i+1, msg, levels, fname, message);
diff --git a/Python/import.c b/Python/import.c
index ea6a6fe..a0af050 100644
--- a/Python/import.c
+++ b/Python/import.c
@@ -37,150 +37,58 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#include "compile.h"
#include "eval.h"
#include "osdefs.h"
+#include "importdl.h"
extern int verbose; /* Defined in pythonrun.c */
extern long getmtime(); /* In getmtime.c */
-#ifdef DEBUG
-#define D(x) x
-#else
-#define D(x)
-#endif
-
-/* Explanation of some of the the various #defines used by dynamic linking...
-
- symbol -- defined for:
-
- DYNAMIC_LINK -- any kind of dynamic linking
- USE_RLD -- NeXT dynamic linking
- USE_DL -- Jack's dl for IRIX 4 or GNU dld with emulation for Jack's dl
- USE_SHLIB -- SunOS or IRIX 5 (SVR4?) shared libraries
- _AIX -- AIX style dynamic linking
- NT -- NT style dynamic linking (using DLLs)
- _DL_FUNCPTR_DEFINED -- if the typedef dl_funcptr has been defined
- WITH_MAC_DL -- Mac dynamic linking (highly experimental)
- SHORT_EXT -- short extension for dynamic module, e.g. ".so"
- LONG_EXT -- long extension, e.g. "module.so"
- hpux -- HP-UX Dynamic Linking - defined by the compiler
-
- (The other WITH_* symbols are used only once, to set the
- appropriate symbols.)
-*/
-
-/* Configure dynamic linking */
-
-#ifdef hpux
-#define DYNAMIC_LINK
-#include <errno.h>
-typedef void (*dl_funcptr)();
-#define _DL_FUNCPTR_DEFINED 1
-#define SHORT_EXT ".sl"
-#define LONG_EXT "module.sl"
-#endif
-
-#ifdef NT
-#define DYNAMIC_LINK
-#include <windows.h>
-typedef FARPROC dl_funcptr;
-#define _DL_FUNCPTR_DEFINED
-#define SHORT_EXT ".dll"
-#define LONG_EXT "module.dll"
-#endif
-
-#if defined(NeXT) || defined(WITH_RLD)
-#define DYNAMIC_LINK
-#define USE_RLD
-#endif
-
-#ifdef WITH_SGI_DL
-#define DYNAMIC_LINK
-#define USE_DL
-#endif
-
-#ifdef WITH_DL_DLD
-#define DYNAMIC_LINK
-#define USE_DL
-#endif
-
-#ifdef WITH_MAC_DL
-#define DYNAMIC_LINK
-#endif
-
-#if !defined(DYNAMIC_LINK) && defined(HAVE_DLFCN_H) && defined(HAVE_DLOPEN)
-#define DYNAMIC_LINK
-#define USE_SHLIB
-#endif
-
-#ifdef _AIX
-#define DYNAMIC_LINK
-#include <sys/ldr.h>
-typedef void (*dl_funcptr)();
-#define _DL_FUNCPTR_DEFINED
-static void aix_loaderror(char *name);
-#endif
-
-#ifdef DYNAMIC_LINK
-
-#ifdef USE_SHLIB
-#include <dlfcn.h>
-#ifndef _DL_FUNCPTR_DEFINED
-typedef void (*dl_funcptr)();
-#endif
-#ifndef RTLD_LAZY
-#define RTLD_LAZY 1
-#endif
-#define SHORT_EXT ".so"
-#define LONG_EXT "module.so"
-#endif /* USE_SHLIB */
-
-#if defined(USE_DL) || defined(hpux)
-#include "dl.h"
-#endif
-
-#ifdef WITH_MAC_DL
-#include "dynamic_load.h"
-#endif
+/* Magic word to reject .pyc files generated by other Python versions */
+#define MAGIC 0x999903L /* Increment by one for each incompatible change */
-#ifdef USE_RLD
-#include <mach-o/rld.h>
-#define FUNCNAME_PATTERN "_init%s"
-#ifndef _DL_FUNCPTR_DEFINED
-typedef void (*dl_funcptr)();
-#endif
-#endif /* USE_RLD */
+object *import_modules; /* This becomes sys.modules */
-extern char *getprogramname();
-#ifndef FUNCNAME_PATTERN
-#if defined(__hp9000s300)
-#define FUNCNAME_PATTERN "_init%s"
-#else
-#define FUNCNAME_PATTERN "init%s"
-#endif
-#endif
-
-#if !defined(SHORT_EXT) && !defined(LONG_EXT)
-#define SHORT_EXT ".o"
-#define LONG_EXT "module.o"
-#endif /* !SHORT_EXT && !LONG_EXT */
+/* Initialize things */
-#endif /* DYNAMIC_LINK */
+void
+initimport()
+{
+ if (import_modules != NULL)
+ fatal("duplicate initimport() call");
+ if ((import_modules = newdictobject()) == NULL)
+ fatal("no mem for dictionary of modules");
+}
-/* Max length of module suffix searched for -- accommodates "module.so" */
-#ifndef MAXSUFFIXSIZE
-#define MAXSUFFIXSIZE 10
-#endif
-/* Magic word to reject .pyc files generated by other Python versions */
-#define MAGIC 0x999903L /* Increment by one for each incompatible change */
+/* Un-initialize things, as good as we can */
-static object *modules;
+void
+doneimport()
+{
+ if (import_modules != NULL) {
+ int pos;
+ object *modname, *module;
+ /* Explicitly erase all modules; this is the safest way
+ to get rid of at least *some* circular dependencies */
+ pos = 0;
+ while (mappinggetnext(import_modules,
+ &pos, &modname, &module)) {
+ if (is_moduleobject(module)) {
+ object *dict;
+ dict = getmoduledict(module);
+ if (dict != NULL && is_dictobject(dict))
+ mappingclear(dict);
+ }
+ }
+ mappingclear(import_modules);
+ DECREF(import_modules);
+ }
+ import_modules = NULL;
+}
-/* Forward */
-static int init_builtin PROTO((char *));
-/* Helper for reading .pyc files */
+/* Helper for pythonrun.c -- return magic number */
long
get_pyc_magic()
@@ -188,255 +96,338 @@ get_pyc_magic()
return MAGIC;
}
-/* Initialization */
-void
-initimport()
-{
- if ((modules = newdictobject()) == NULL)
- fatal("no mem for dictionary of modules");
-}
+/* Helper for sysmodule.c -- return modules dictionary */
object *
get_modules()
{
- return modules;
+ return import_modules;
}
+
+/* Get the module object corresponding to a module name.
+ First check the modules dictionary if there's one there,
+ if not, create a new one and insert in in the modules dictionary.
+ Because the former action is most common, this does not return a
+ 'new' reference! */
+
object *
add_module(name)
char *name;
{
object *m;
- if ((m = dictlookup(modules, name)) != NULL && is_moduleobject(m))
+
+ if ((m = dictlookup(import_modules, name)) != NULL &&
+ is_moduleobject(m))
return m;
m = newmoduleobject(name);
if (m == NULL)
return NULL;
- if (dictinsert(modules, name, m) != 0) {
+ if (dictinsert(import_modules, name, m) != 0) {
DECREF(m);
return NULL;
}
DECREF(m); /* Yes, it still exists, in modules! */
+
return m;
}
-enum filetype {SEARCH_ERROR, PY_SOURCE, PY_COMPILED, C_EXTENSION};
-static struct filedescr {
- char *suffix;
- char *mode;
- enum filetype type;
-} filetab[] = {
-#ifdef DYNAMIC_LINK
-#ifdef SHORT_EXT
- {SHORT_EXT, "rb", C_EXTENSION},
-#endif /* !SHORT_EXT */
-#ifdef LONG_EXT
- {LONG_EXT, "rb", C_EXTENSION},
-#endif /* !LONG_EXT */
-#endif /* DYNAMIC_LINK */
- {".py", "r", PY_SOURCE},
- {".pyc", "rb", PY_COMPILED},
- {0, 0}
-};
+/* Execute a code object in a module and return its module object */
-#ifdef DYNAMIC_LINK
static object *
-load_dynamic_module(name, namebuf, m, m_ret)
+exec_code_module(name, co)
char *name;
- char *namebuf;
- object *m;
- object **m_ret;
+ codeobject *co;
{
- char funcname[258];
- dl_funcptr p = NULL;
- if (m != NULL) {
- err_setstr(ImportError,
- "cannot reload dynamically loaded module");
+ object *m, *d, *v;
+
+ m = add_module(name);
+ if (m == NULL)
return NULL;
- }
- sprintf(funcname, FUNCNAME_PATTERN, name);
-#ifdef WITH_MAC_DL
- {
- object *v = dynamic_load(namebuf);
- if (v == NULL)
- return NULL;
- }
-#else /* !WITH_MAC_DL */
-#ifdef USE_SHLIB
- {
-#ifdef RTLD_NOW
- /* RTLD_NOW: resolve externals now
- (i.e. core dump now if some are missing) */
- void *handle = dlopen(namebuf, RTLD_NOW);
-#else
- void *handle;
+ d = getmoduledict(m);
+ v = eval_code((codeobject *)co, d, d, d, (object *)NULL);
+ if (v == NULL)
+ return NULL;
+ DECREF(v);
+ INCREF(m);
+
+ return m;
+}
+
+
+/* Given a pathname for a Python source file, fill a buffer with the
+ pathname for the corresponding compiled file. Return the pathname
+ for the compiled file, or NULL if there's no space in the buffer.
+ Doesn't set an exception. */
+
+static char *
+make_compiled_pathname(pathname, buf, buflen)
+ char *pathname;
+ char *buf;
+ int buflen;
+{
+ int len;
+
+ len = strlen(pathname);
+ if (len+2 > buflen)
+ return NULL;
+ strcpy(buf, pathname);
+ strcpy(buf+len, "c");
+
+ return buf;
+}
+
+
+/* Given a pathname for a Python source file, its time of last
+ modification, and a pathname for a compiled file, check whether the
+ compiled file represents the same version of the source. If so,
+ return a FILE pointer for the compiled file, positioned just after
+ the header; if not, return NULL.
+ Doesn't set an exception. */
+
+static FILE *
+check_compiled_module(pathname, mtime, cpathname)
+ char *pathname;
+ long mtime;
+ char *cpathname;
+{
+ FILE *fp;
+ long magic;
+ long pyc_mtime;
+
+ fp = fopen(cpathname, "rb");
+ if (fp == NULL)
+ return NULL;
+ magic = rd_long(fp);
+ if (magic != MAGIC) {
if (verbose)
- printf("dlopen(\"%s\", %d);\n", namebuf, RTLD_LAZY);
- handle = dlopen(namebuf, RTLD_LAZY);
-#endif /* RTLD_NOW */
- if (handle == NULL) {
- err_setstr(ImportError, dlerror());
- return NULL;
- }
- p = (dl_funcptr) dlsym(handle, funcname);
- }
-#endif /* USE_SHLIB */
-#ifdef _AIX
- p = (dl_funcptr) load(namebuf, 1, 0);
- if (p == NULL) {
- aix_loaderror(namebuf);
+ fprintf(stderr, "# %s has bad magic\n", cpathname);
+ fclose(fp);
return NULL;
}
-#endif /* _AIX */
-#ifdef NT
- {
- HINSTANCE hDLL;
- hDLL = LoadLibrary(namebuf);
- if (hDLL==NULL){
- char errBuf[64];
- sprintf(errBuf, "DLL load failed with error code %d",
- GetLastError());
- err_setstr(ImportError, errBuf);
+ pyc_mtime = rd_long(fp);
+ if (pyc_mtime != mtime) {
+ if (verbose)
+ fprintf(stderr, "# %s has bad mtime\n", cpathname);
+ fclose(fp);
return NULL;
- }
- p = GetProcAddress(hDLL, funcname);
}
-#endif /* NT */
-#ifdef USE_DL
- p = dl_loadmod(getprogramname(), namebuf, funcname);
-#endif /* USE_DL */
-#ifdef USE_RLD
- {
- NXStream *errorStream;
- struct mach_header *new_header;
- const char *filenames[2];
- long ret;
- unsigned long ptr;
-
- errorStream = NXOpenMemory(NULL, 0, NX_WRITEONLY);
- filenames[0] = namebuf;
- filenames[1] = NULL;
- ret = rld_load(errorStream, &new_header,
- filenames, NULL);
-
- /* extract the error messages for the exception */
- if(!ret) {
- char *streamBuf;
- int len, maxLen;
-
- NXPutc(errorStream, (char)0);
-
- NXGetMemoryBuffer(errorStream,
- &streamBuf, &len, &maxLen);
- err_setstr(ImportError, streamBuf);
- }
+ if (verbose)
+ fprintf(stderr, "# %s matches %s\n", cpathname, pathname);
+ return fp;
+}
- if(ret && rld_lookup(errorStream, funcname, &ptr))
- p = (dl_funcptr) ptr;
- NXCloseMemory(errorStream, NX_FREEBUFFER);
+/* Read a code object from a file and check it for validity */
- if(!ret)
- return NULL;
- }
-#endif /* USE_RLD */
-#ifdef hpux
- {
- shl_t lib;
- int flags;
+static codeobject *
+read_compiled_module(fp)
+ FILE *fp;
+{
+ object *co;
- flags = BIND_DEFERRED;
- if (verbose)
- {
- flags = BIND_IMMEDIATE | BIND_NONFATAL | BIND_VERBOSE;
- printf("shl_load %s\n",namebuf);
- }
- lib = shl_load(namebuf, flags, 0);
- if (lib == NULL)
- {
- char buf[256];
- if (verbose)
- perror(namebuf);
- sprintf(buf, "Failed to load %.200s", namebuf);
- err_setstr(ImportError, buf);
- return NULL;
- }
- if (verbose)
- printf("shl_findsym %s\n", funcname);
- shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p);
- if (p == NULL && verbose)
- perror(funcname);
+ co = rd_object(fp);
+ /* Ugly: rd_object() may return NULL with or without error */
+ if (co == NULL || !is_codeobject(co)) {
+ if (!err_occurred())
+ err_setstr(ImportError,
+ "Non-code object in .pyc file");
+ XDECREF(co);
+ return NULL;
}
-#endif /* hpux */
- if (p == NULL) {
- err_setstr(ImportError,
- "dynamic module does not define init function");
+ return (codeobject *)co;
+}
+
+
+/* Load a module from a compiled file, execute it, and return its
+ module object */
+
+static object *
+load_compiled_module(name, cpathname, fp)
+ char *name;
+ char *cpathname;
+ FILE *fp;
+{
+ long magic;
+ codeobject *co;
+ object *m;
+
+ magic = rd_long(fp);
+ if (magic != MAGIC) {
+ err_setstr(ImportError, "Bad magic number in .pyc file");
return NULL;
}
- (*p)();
+ (void) rd_long(fp);
+ co = read_compiled_module(fp);
+ if (co == NULL)
+ return NULL;
+ if (verbose)
+ fprintf(stderr, "import %s # precompiled from %s\n",
+ name, cpathname);
+ m = exec_code_module(name, co);
+ DECREF(co);
+
+ return m;
+}
+
+
+/* Parse a source file and return the corresponding code object */
+
+static codeobject *
+parse_source_module(pathname, fp)
+ char *pathname;
+ FILE *fp;
+{
+ codeobject *co;
+ node *n;
-#endif /* !WITH_MAC_DL */
- *m_ret = m = dictlookup(modules, name);
- if (m == NULL) {
- if (err_occurred() == NULL)
- err_setstr(SystemError,
- "dynamic module not initialized properly");
+ n = parse_file(fp, pathname, file_input);
+ if (n == NULL)
return NULL;
+ co = compile(n, pathname);
+ freetree(n);
+
+ return co;
+}
+
+
+/* Write a compiled module to a file, placing the time of last
+ modification of its source into the header.
+ Errors are ignored, if a write error occurs an attempt is made to
+ remove the file. */
+
+static void
+write_compiled_module(co, cpathname, mtime)
+ codeobject *co;
+ char *cpathname;
+ long mtime;
+{
+ FILE *fp;
+
+ fp = fopen(cpathname, "wb");
+ if (fp == NULL) {
+ if (verbose)
+ fprintf(stderr,
+ "# can't create %s\n", cpathname);
+ return;
+ }
+ wr_long(MAGIC, fp);
+ /* First write a 0 for mtime */
+ wr_long(0L, fp);
+ wr_object((object *)co, fp);
+ if (ferror(fp)) {
+ if (verbose)
+ fprintf(stderr, "# can't write %s\n", cpathname);
+ /* Don't keep partial file */
+ fclose(fp);
+ (void) unlink(cpathname);
+ return;
}
+ /* Now write the true mtime */
+ fseek(fp, 4L, 0);
+ wr_long(mtime, fp);
+ fflush(fp);
+ fclose(fp);
if (verbose)
- fprintf(stderr,
- "import %s # dynamically loaded from %s\n",
- name, namebuf);
- INCREF(None);
- return None;
+ fprintf(stderr, "# wrote %s\n", cpathname);
+#ifdef macintosh
+ setfiletype(cpathname, 'PYTH', 'PYC ');
+#endif
}
-#endif /* DYNAMIC_LINK */
+
+
+/* Load a source module from a given file and return its module
+ object. If there's a matching byte-compiled file, use that
+ instead. */
static object *
-get_module(m, name, m_ret)
- /*module*/object *m;
+load_source_module(name, pathname, fp)
char *name;
- object **m_ret;
+ char *pathname;
+ FILE *fp;
{
- int err, npath, i, len, namelen;
- long magic;
- long mtime, pyc_mtime;
- char namebuf[MAXPATHLEN+1];
+ long mtime;
+ FILE *fpc;
+ char buf[MAXPATHLEN+1];
+ char *cpathname;
+ codeobject *co;
+ object *m;
+
+ mtime = getmtime(pathname);
+ cpathname = make_compiled_pathname(pathname, buf, MAXPATHLEN+1);
+ if (cpathname != NULL &&
+ (fpc = check_compiled_module(pathname, mtime, cpathname))) {
+ co = read_compiled_module(fpc);
+ fclose(fpc);
+ if (co == NULL)
+ return NULL;
+ if (verbose)
+ fprintf(stderr, "import %s # precompiled from %s\n",
+ name, cpathname);
+ }
+ else {
+ co = parse_source_module(pathname, fp);
+ if (co == NULL)
+ return NULL;
+ if (verbose)
+ fprintf(stderr, "import %s # from %s\n",
+ name, pathname);
+ write_compiled_module(co, cpathname, mtime);
+ }
+ m = exec_code_module(name, co);
+ DECREF(co);
+
+ return m;
+}
+
+
+/* Search the path (default sys.path) for a module. Return the
+ corresponding filedescr struct, and (via return arguments) the
+ pathname and an open file. Return NULL if the module is not found. */
+
+static struct filedescr *
+find_module(name, path, buf, buflen, p_fp)
+ char *name;
+ object *path;
+ /* Output parameters: */
+ char *buf;
+ int buflen;
+ FILE **p_fp;
+{
+ int i, npath, len, namelen;
struct filedescr *fdp;
- FILE *fp = NULL, *fpc = NULL;
- node *n = NULL;
- object *path, *v, *d;
- codeobject *co = NULL;
+ FILE *fp;
- path = sysget("path");
+ if (path == NULL)
+ path = sysget("path");
if (path == NULL || !is_listobject(path)) {
err_setstr(ImportError,
- "sys.path must be list of directory names");
+ "module search path must be list of directory names");
return NULL;
}
npath = getlistsize(path);
namelen = strlen(name);
for (i = 0; i < npath; i++) {
- v = getlistitem(path, i);
+ object *v = getlistitem(path, i);
if (!is_stringobject(v))
continue;
len = getstringsize(v);
- if (len + 1 + namelen + MAXSUFFIXSIZE >= MAXPATHLEN)
+ if (len + 2 + namelen + import_maxsuffixsize >= buflen)
continue; /* Too long */
- strcpy(namebuf, getstringvalue(v));
- if (strlen(namebuf) != len)
+ strcpy(buf, getstringvalue(v));
+ if (strlen(buf) != len)
continue; /* v contains '\0' */
- if (len > 0 && namebuf[len-1] != SEP)
- namebuf[len++] = SEP;
- strcpy(namebuf+len, name);
+ if (len > 0 && buf[len-1] != SEP)
+ buf[len++] = SEP;
+ strcpy(buf+len, name);
len += namelen;
- for (fdp = filetab; fdp->suffix != NULL; fdp++) {
- strcpy(namebuf+len, fdp->suffix);
+ for (fdp = import_filetab; fdp->suffix != NULL; fdp++) {
+ strcpy(buf+len, fdp->suffix);
if (verbose > 1)
- fprintf(stderr, "# trying %s\n", namebuf);
- fp = fopen(namebuf, fdp->mode);
+ fprintf(stderr, "# trying %s\n", buf);
+ fp = fopen(buf, fdp->mode);
if (fp != NULL)
break;
}
@@ -444,192 +435,164 @@ get_module(m, name, m_ret)
break;
}
if (fp == NULL) {
- sprintf(namebuf, "No module named %.200s", name);
- err_setstr(ImportError, namebuf);
+ char buf[256];
+ sprintf(buf, "No module named %.200s", name);
+ err_setstr(ImportError, buf);
return NULL;
}
+ *p_fp = fp;
+ return fdp;
+}
+
+
+/* Load an external module using the default search path and return
+ its module object */
+
+static object *
+load_module(name)
+ char *name;
+{
+ char buf[MAXPATHLEN+1];
+ struct filedescr *fdp;
+ FILE *fp = NULL;
+ object *m = NULL;
+
+ fdp = find_module(name, (object *)NULL, buf, MAXPATHLEN+1, &fp);
+ if (fdp == NULL)
+ return NULL;
+
switch (fdp->type) {
case PY_SOURCE:
- mtime = getmtime(namebuf);
- len = strlen(namebuf);
- strcpy(namebuf + len, "c");
- fpc = fopen(namebuf, "rb");
- if (fpc != NULL) {
- magic = rd_long(fpc);
- if (magic != MAGIC) {
- if (verbose)
- fprintf(stderr,
- "# %s has bad magic\n",
- namebuf);
- }
- else {
- pyc_mtime = rd_long(fpc);
- if (pyc_mtime != mtime) {
- if (verbose)
- fprintf(stderr,
- "# %s has bad mtime\n",
- namebuf);
- }
- else {
- fclose(fp);
- fp = fpc;
- if (verbose)
- fprintf(stderr,
- "# %s matches %s.py\n",
- namebuf, name);
- goto use_compiled;
- }
- }
- fclose(fpc);
- }
- namebuf[len] = '\0';
- n = parse_file(fp, namebuf, file_input);
- fclose(fp);
- if (n == NULL)
- return NULL;
- co = compile(n, namebuf);
- freetree(n);
- if (co == NULL)
- return NULL;
- if (verbose)
- fprintf(stderr,
- "import %s # from %s\n", name, namebuf);
- /* Now write the code object to the ".pyc" file */
- strcpy(namebuf + len, "c");
- fpc = fopen(namebuf, "wb");
-#ifdef macintosh
- setfiletype(namebuf, 'PYTH', 'PYC ');
-#endif
- if (fpc == NULL) {
- if (verbose)
- fprintf(stderr,
- "# can't create %s\n", namebuf);
- }
- else {
- wr_long(MAGIC, fpc);
- /* First write a 0 for mtime */
- wr_long(0L, fpc);
- wr_object((object *)co, fpc);
- if (ferror(fpc)) {
- if (verbose)
- fprintf(stderr,
- "# can't write %s\n", namebuf);
- /* Don't keep partial file */
- fclose(fpc);
- (void) unlink(namebuf);
- }
- else {
- /* Now write the true mtime */
- fseek(fpc, 4L, 0);
- wr_long(mtime, fpc);
- fflush(fpc);
- fclose(fpc);
- if (verbose)
- fprintf(stderr,
- "# wrote %s\n", namebuf);
- }
- }
+ m = load_source_module(name, buf, fp);
break;
case PY_COMPILED:
- if (verbose)
- fprintf(stderr, "# %s without %s.py\n",
- namebuf, name);
- magic = rd_long(fp);
- if (magic != MAGIC) {
- err_setstr(ImportError,
- "Bad magic number in .pyc file");
- return NULL;
- }
- (void) rd_long(fp);
- use_compiled:
- v = rd_object(fp);
- fclose(fp);
- if (v == NULL || !is_codeobject(v)) {
- XDECREF(v);
- err_setstr(ImportError,
- "Bad code object in .pyc file");
- return NULL;
- }
- co = (codeobject *)v;
- if (verbose)
- fprintf(stderr,
- "import %s # precompiled from %s\n",
- name, namebuf);
+ m = load_compiled_module(name, buf, fp);
break;
-#ifdef DYNAMIC_LINK
case C_EXTENSION:
- fclose(fp);
- return load_dynamic_module(name, namebuf, m, m_ret);
-#endif /* DYNAMIC_LINK */
+ m = load_dynamic_module(name, buf);
+ break;
default:
- fclose(fp);
err_setstr(SystemError,
- "search loop returned unexpected result");
- return NULL;
+ "find_module returned unexpected result");
}
+ fclose(fp);
- /* We get here for either PY_SOURCE or PY_COMPILED */
- if (m == NULL) {
- m = add_module(name);
- if (m == NULL) {
- freetree(n);
- return NULL;
+ return m;
+}
+
+
+/* Initialize a built-in module.
+ Return 1 for succes, 0 if the module is not found, and -1 with
+ an exception set if the initialization failed. */
+
+static int
+init_builtin(name)
+ char *name;
+{
+ int i;
+ for (i = 0; inittab[i].name != NULL; i++) {
+ if (strcmp(name, inittab[i].name) == 0) {
+ if (inittab[i].initfunc == NULL) {
+ err_setstr(ImportError,
+ "cannot re-init internal module");
+ return -1;
+ }
+ if (verbose)
+ fprintf(stderr, "import %s # builtin\n",
+ name);
+ (*inittab[i].initfunc)();
+ if (err_occurred())
+ return -1;
+ return 1;
}
- *m_ret = m;
}
- d = getmoduledict(m);
- v = eval_code(co, d, d, d, (object *)NULL);
- DECREF(co);
- return v;
+ return 0;
}
-static object *
-load_module(name)
+
+/* Initialize a frozen module.
+ Return 1 for succes, 0 if the module is not found, and -1 with
+ an exception set if the initialization failed. */
+
+extern struct frozen {
+ char *name;
+ char *code;
+ int size;
+} frozen_modules[];
+
+static int
+init_frozen(name)
char *name;
{
- object *m, *v;
- v = get_module((object *)NULL, name, &m);
- if (v == NULL)
- return NULL;
- DECREF(v);
- return m;
+ struct frozen *p;
+ object *co;
+ object *m;
+ for (p = frozen_modules; ; p++) {
+ if (p->name == NULL)
+ return 0;
+ if (strcmp(p->name, name) == 0)
+ break;
+ }
+ if (verbose)
+ fprintf(stderr, "import %s # frozen\n", name);
+ co = rds_object(p->code, p->size);
+ if (co == NULL)
+ return -1;
+ if (!is_codeobject(co)) {
+ DECREF(co);
+ err_setstr(SystemError, "frozen object is not a code object");
+ return -1;
+ }
+ m = exec_code_module(name, (codeobject *)co);
+ DECREF(co);
+ return m == NULL ? -1 : 1;
}
+
+/* Import a module, either built-in, frozen, or external, and return
+ its module object */
+
object *
import_module(name)
char *name;
{
object *m;
- int n;
- if ((m = dictlookup(modules, name)) == NULL) {
- if ((n = init_builtin(name)) || (n = init_frozen(name))) {
- if (n < 0)
+
+ if ((m = dictlookup(import_modules, name)) == NULL) {
+ int i;
+ if ((i = init_builtin(name)) || (i = init_frozen(name))) {
+ if (i < 0)
return NULL;
- if ((m = dictlookup(modules, name)) == NULL) {
- if (err_occurred() == NULL)
- err_setstr(SystemError,
- "builtin module not initialized properly");
+ if ((m = dictlookup(import_modules, name)) == NULL) {
+ if (err_occurred() == NULL)
+ err_setstr(SystemError,
+ "built-in module not initialized properly");
}
}
- else {
+ else
m = load_module(name);
- }
}
+
return m;
}
+
+/* Re-import a module of any kind and return its module object, WITH
+ INCREMENTED REFERENCE COUNT */
+
object *
reload_module(m)
object *m;
{
char *name;
int i;
+
if (m == NULL || !is_moduleobject(m)) {
err_setstr(TypeError, "reload() argument must be module");
return NULL;
@@ -637,158 +600,308 @@ reload_module(m)
name = getmodulename(m);
if (name == NULL)
return NULL;
- /* Check for built-in modules */
- for (i = 0; inittab[i].name != NULL; i++) {
- if (strcmp(name, inittab[i].name) == 0) {
- err_setstr(ImportError,
- "cannot reload built-in module");
- return NULL;
- }
+ if (m != dictlookup(import_modules, name)) {
+ err_setstr(ImportError, "reload() module not in sys.modules");
+ return NULL;
}
- /* Check for frozen modules */
- if ((i = init_frozen(name)) != 0) {
+ /* Check for built-in and frozen modules */
+ if ((i = init_builtin(name)) || (i = init_frozen(name))) {
if (i < 0)
return NULL;
- INCREF(None);
- return None;
}
- return get_module(m, name, (object **)NULL);
+ else
+ m = load_module(name);
+ XINCREF(m);
+ return m;
}
-void
-doneimport()
+
+/* Module 'imp' provides Python access to the primitives used for
+ importing modules.
+*/
+
+static object *
+imp_get_magic(self, args)
+ object *self;
+ object *args;
{
- if (modules != NULL) {
- int pos;
- object *modname, *module;
- /* Explicitly erase all modules; this is the safest way
- to get rid of at least *some* circular dependencies */
- pos = 0;
- while (mappinggetnext(modules, &pos, &modname, &module)) {
- if (is_moduleobject(module)) {
- object *dict;
- dict = getmoduledict(module);
- if (dict != NULL && is_dictobject(dict))
- mappingclear(dict);
- }
+ char buf[4];
+
+ if (!newgetargs(args, ""))
+ return NULL;
+ buf[0] = (MAGIC >> 0) & 0xff;
+ buf[1] = (MAGIC >> 8) & 0xff;
+ buf[3] = (MAGIC >> 16) & 0xff;
+ buf[4] = (MAGIC >> 24) & 0xff;
+
+ return newsizedstringobject(buf, 4);
+}
+
+static object *
+imp_get_suffixes(self, args)
+ object *self;
+ object *args;
+{
+ object *list;
+ struct filedescr *fdp;
+
+ if (!newgetargs(args, ""))
+ return NULL;
+ list = newlistobject(0);
+ if (list == NULL)
+ return NULL;
+ for (fdp = import_filetab; fdp->suffix != NULL; fdp++) {
+ object *item = mkvalue("ssi",
+ fdp->suffix, fdp->mode, fdp->type);
+ if (item == NULL) {
+ DECREF(list);
+ return NULL;
}
- mappingclear(modules);
+ if (addlistitem(list, item) < 0) {
+ DECREF(list);
+ DECREF(item);
+ return NULL;
+ }
+ DECREF(item);
}
- DECREF(modules);
- modules = NULL;
+ return list;
}
+static object *
+imp_find_module(self, args)
+ object *self;
+ object *args;
+{
+ extern int fclose PROTO((FILE *));
+ char *name;
+ object *path = NULL;
+ object *fob, *ret;
+ struct filedescr *fdp;
+ char pathname[MAXPATHLEN+1];
+ FILE *fp;
+ if (!newgetargs(args, "s|O!", &name, &Listtype, &path))
+ return NULL;
+ fdp = find_module(name, path, pathname, MAXPATHLEN+1, &fp);
+ if (fdp == NULL)
+ return NULL;
+ fob = newopenfileobject(fp, pathname, fdp->mode, fclose);
+ if (fob == NULL) {
+ fclose(fp);
+ return NULL;
+ }
+ ret = mkvalue("Os(ssi)",
+ fob, pathname, fdp->suffix, fdp->mode, fdp->type);
+ DECREF(fob);
+ return ret;
+}
-/* Initialize built-in modules when first imported */
+static object *
+imp_init_builtin(self, args)
+ object *self;
+ object *args;
+{
+ char *name;
+ int ret;
+ object *m;
+ if (!newgetargs(args, "s", &name))
+ return NULL;
+ ret = init_builtin(name);
+ if (ret < 0)
+ return NULL;
+ if (ret == 0) {
+ INCREF(None);
+ return None;
+ }
+ m = add_module(name);
+ XINCREF(m);
+ return m;
+}
-static int
-init_builtin(name)
+static object *
+imp_init_frozen(self, args)
+ object *self;
+ object *args;
+{
char *name;
+ int ret;
+ object *m;
+ if (!newgetargs(args, "s", &name))
+ return NULL;
+ ret = init_frozen(name);
+ if (ret < 0)
+ return NULL;
+ if (ret == 0) {
+ INCREF(None);
+ return None;
+ }
+ m = add_module(name);
+ XINCREF(m);
+ return m;
+}
+
+static object *
+imp_is_builtin(self, args)
+ object *self;
+ object *args;
{
int i;
+ char *name;
+ if (!newgetargs(args, "s", &name))
+ return NULL;
for (i = 0; inittab[i].name != NULL; i++) {
if (strcmp(name, inittab[i].name) == 0) {
- if (inittab[i].initfunc == NULL) {
- err_setstr(ImportError,
- "cannot re-init internal module");
- return -1;
- }
- if (verbose)
- fprintf(stderr, "import %s # builtin\n",
- name);
- (*inittab[i].initfunc)();
- return 1;
+ if (inittab[i].initfunc == NULL)
+ return newintobject(-1);
+ else
+ return newintobject(1);
}
}
- return 0;
+ return newintobject(0);
}
-extern struct frozen {
- char *name;
- char *code;
- int size;
-} frozen_modules[];
-
-int
-init_frozen(name)
- char *name;
+static object *
+imp_is_frozen(self, args)
+ object *self;
+ object *args;
{
struct frozen *p;
- codeobject *co;
- object *m, *d, *v;
+ char *name;
+ if (!newgetargs(args, "s", &name))
+ return NULL;
for (p = frozen_modules; ; p++) {
if (p->name == NULL)
- return 0;
- if (strcmp(p->name, name) == 0)
break;
+ if (strcmp(p->name, name) == 0)
+ return newintobject(1);
}
- if (verbose)
- fprintf(stderr, "import %s # frozen\n", name);
- co = (codeobject *) rds_object(p->code, p->size);
- if (co == NULL)
- return -1;
- if ((m = add_module(name)) == NULL ||
- (d = getmoduledict(m)) == NULL ||
- (v = eval_code(co, d, d, d, (object*)NULL)) == NULL) {
- DECREF(co);
- return -1;
+ return newintobject(0);
+}
+
+static FILE *
+get_file(pathname, fob, mode)
+ char *pathname;
+ object *fob;
+ char *mode;
+{
+ FILE *fp;
+ if (fob == NULL) {
+ fp = fopen(pathname, mode);
+ if (fp == NULL)
+ err_errno(IOError);
}
- DECREF(co);
- DECREF(v);
- return 1;
+ else {
+ fp = getfilefile(fob);
+ if (fp == NULL)
+ err_setstr(ValueError, "bad/closed file object");
+ }
+ return fp;
}
+static object *
+imp_load_compiled(self, args)
+ object *self;
+ object *args;
+{
+ char *name;
+ char *pathname;
+ object *fob = NULL;
+ object *m;
+ FILE *fp;
+ if (!newgetargs(args, "ss|O!", &name, &pathname, &Filetype, &fob))
+ return NULL;
+ fp = get_file(pathname, fob, "rb");
+ if (fp == NULL)
+ return NULL;
+ m = load_compiled_module(name, pathname, fp);
+ if (fob == NULL)
+ fclose(fp);
+ return m;
+}
-#ifdef _AIX
+static object *
+imp_load_dynamic(self, args)
+ object *self;
+ object *args;
+{
+ char *name;
+ char *pathname;
+ object *dummy;
+ if (!newgetargs(args, "ss|O", &name, &pathname, &dummy))
+ return NULL;
+ return load_dynamic_module(name, pathname);
+}
-#include <ctype.h> /* for isdigit() */
-#include <errno.h> /* for global errno */
-#include <string.h> /* for strerror() */
+static object *
+imp_load_source(self, args)
+ object *self;
+ object *args;
+{
+ char *name;
+ char *pathname;
+ object *fob = NULL;
+ object *m;
+ FILE *fp;
+ if (!newgetargs(args, "ss|O!", &name, &pathname, &Filetype, &fob))
+ return NULL;
+ fp = get_file(pathname, fob, "r");
+ if (fp == NULL)
+ return NULL;
+ m = load_source_module(name, pathname, fp);
+ if (fob == NULL)
+ fclose(fp);
+ return m;
+}
-void aix_loaderror(char *namebuf)
+static object *
+imp_new_module(self, args)
+ object *self;
+ object *args;
{
+ char *name;
+ if (!newgetargs(args, "s", &name))
+ return NULL;
+ return newmoduleobject(name);
+}
- char *message[8], errbuf[1024];
- int i,j;
+static struct methodlist imp_methods[] = {
+ {"get_magic", imp_get_magic, 1},
+ {"get_suffixes", imp_get_suffixes, 1},
+ {"find_module", imp_find_module, 1},
+ {"init_builtin", imp_init_builtin, 1},
+ {"init_frozen", imp_init_frozen, 1},
+ {"is_builtin", imp_is_builtin, 1},
+ {"is_frozen", imp_is_frozen, 1},
+ {"load_compiled", imp_load_compiled, 1},
+ {"load_dynamic", imp_load_dynamic, 1},
+ {"load_source", imp_load_source, 1},
+ {"new_module", imp_new_module, 1},
+ {NULL, NULL} /* sentinel */
+};
- struct errtab {
- int errno;
- char *errstr;
- } load_errtab[] = {
- {L_ERROR_TOOMANY, "to many errors, rest skipped."},
- {L_ERROR_NOLIB, "can't load library:"},
- {L_ERROR_UNDEF, "can't find symbol in library:"},
- {L_ERROR_RLDBAD,
- "RLD index out of range or bad relocation type:"},
- {L_ERROR_FORMAT, "not a valid, executable xcoff file:"},
- {L_ERROR_MEMBER,
- "file not an archive or does not contain requested member:"},
- {L_ERROR_TYPE, "symbol table mismatch:"},
- {L_ERROR_ALIGN, "text allignment in file is wrong."},
- {L_ERROR_SYSTEM, "System error:"},
- {L_ERROR_ERRNO, NULL}
- };
+void
+initimp()
+{
+ object *m, *d, *v;
-#define LOAD_ERRTAB_LEN (sizeof(load_errtab)/sizeof(load_errtab[0]))
-#define ERRBUF_APPEND(s) strncat(errbuf, s, sizeof(errbuf)-strlen(errbuf)-1)
+ m = initmodule("imp", imp_methods);
+ d = getmoduledict(m);
- sprintf(errbuf, " from module %.200s ", namebuf);
+ v = newintobject(SEARCH_ERROR);
+ dictinsert(d, "SEARCH_ERROR", v);
+ XDECREF(v);
- if (!loadquery(1, &message[0], sizeof(message)))
- ERRBUF_APPEND(strerror(errno));
- for(i = 0; message[i] && *message[i]; i++) {
- int nerr = atoi(message[i]);
- for (j=0; j<LOAD_ERRTAB_LEN ; j++) {
- if (nerr == load_errtab[i].errno && load_errtab[i].errstr)
- ERRBUF_APPEND(load_errtab[i].errstr);
- }
- while (isdigit(*message[i])) message[i]++ ;
- ERRBUF_APPEND(message[i]);
- ERRBUF_APPEND("\n");
- }
- errbuf[strlen(errbuf)-1] = '\0'; /* trim off last newline */
- err_setstr(ImportError, errbuf);
- return;
-}
+ v = newintobject(PY_SOURCE);
+ dictinsert(d, "PY_SOURCE", v);
+ XDECREF(v);
-#endif /* _AIX */
+ v = newintobject(PY_COMPILED);
+ dictinsert(d, "PY_COMPILED", v);
+ XDECREF(v);
+
+ v = newintobject(C_EXTENSION);
+ dictinsert(d, "C_EXTENSION", v);
+ XDECREF(v);
+
+ if (err_occurred())
+ fatal("imp module initialization failed");
+}
diff --git a/Python/importdl.c b/Python/importdl.c
new file mode 100644
index 0000000..f377c61
--- /dev/null
+++ b/Python/importdl.c
@@ -0,0 +1,381 @@
+/***********************************************************
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior permission.
+
+STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
+THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+/* If no dynamic linking is supported, this file still generates some code! */
+
+#include "allobjects.h"
+#include "osdefs.h"
+#include "importdl.h"
+
+extern int verbose; /* Defined in pythonrun.c */
+
+/* Explanation of some of the the various #defines used by dynamic linking...
+
+ symbol -- defined for:
+
+ DYNAMIC_LINK -- any kind of dynamic linking
+ USE_RLD -- NeXT dynamic linking
+ USE_DL -- Jack's dl for IRIX 4 or GNU dld with emulation for Jack's dl
+ USE_SHLIB -- SunOS or IRIX 5 (SVR4?) shared libraries
+ _AIX -- AIX style dynamic linking
+ NT -- NT style dynamic linking (using DLLs)
+ _DL_FUNCPTR_DEFINED -- if the typedef dl_funcptr has been defined
+ WITH_MAC_DL -- Mac dynamic linking (highly experimental)
+ SHORT_EXT -- short extension for dynamic module, e.g. ".so"
+ LONG_EXT -- long extension, e.g. "module.so"
+ hpux -- HP-UX Dynamic Linking - defined by the compiler
+
+ (The other WITH_* symbols are used only once, to set the
+ appropriate symbols.)
+*/
+
+/* Configure dynamic linking */
+
+#ifdef hpux
+#define DYNAMIC_LINK
+#include <errno.h>
+typedef void (*dl_funcptr)();
+#define _DL_FUNCPTR_DEFINED 1
+#define SHORT_EXT ".sl"
+#define LONG_EXT "module.sl"
+#endif
+
+#ifdef NT
+#define DYNAMIC_LINK
+#include <windows.h>
+typedef FARPROC dl_funcptr;
+#define _DL_FUNCPTR_DEFINED
+#define SHORT_EXT ".dll"
+#define LONG_EXT "module.dll"
+#endif
+
+#if defined(NeXT) || defined(WITH_RLD)
+#define DYNAMIC_LINK
+#define USE_RLD
+#endif
+
+#ifdef WITH_SGI_DL
+#define DYNAMIC_LINK
+#define USE_DL
+#endif
+
+#ifdef WITH_DL_DLD
+#define DYNAMIC_LINK
+#define USE_DL
+#endif
+
+#ifdef WITH_MAC_DL
+#define DYNAMIC_LINK
+#endif
+
+#if !defined(DYNAMIC_LINK) && defined(HAVE_DLFCN_H) && defined(HAVE_DLOPEN)
+#define DYNAMIC_LINK
+#define USE_SHLIB
+#endif
+
+#ifdef _AIX
+#define DYNAMIC_LINK
+#include <sys/ldr.h>
+typedef void (*dl_funcptr)();
+#define _DL_FUNCPTR_DEFINED
+static void aix_loaderror(char *name);
+#endif
+
+#ifdef DYNAMIC_LINK
+
+#ifdef USE_SHLIB
+#include <dlfcn.h>
+#ifndef _DL_FUNCPTR_DEFINED
+typedef void (*dl_funcptr)();
+#endif
+#ifndef RTLD_LAZY
+#define RTLD_LAZY 1
+#endif
+#define SHORT_EXT ".so"
+#define LONG_EXT "module.so"
+#endif /* USE_SHLIB */
+
+#if defined(USE_DL) || defined(hpux)
+#include "dl.h"
+#endif
+
+#ifdef WITH_MAC_DL
+#include "dynamic_load.h"
+#endif
+
+#ifdef USE_RLD
+#include <mach-o/rld.h>
+#define FUNCNAME_PATTERN "_init%.200s"
+#ifndef _DL_FUNCPTR_DEFINED
+typedef void (*dl_funcptr)();
+#endif
+#endif /* USE_RLD */
+
+extern char *getprogramname();
+
+#ifndef FUNCNAME_PATTERN
+#if defined(__hp9000s300)
+#define FUNCNAME_PATTERN "_init%.200s"
+#else
+#define FUNCNAME_PATTERN "init%.200s"
+#endif
+#endif
+
+#if !defined(SHORT_EXT) && !defined(LONG_EXT)
+#define SHORT_EXT ".o"
+#define LONG_EXT "module.o"
+#endif /* !SHORT_EXT && !LONG_EXT */
+
+#endif /* DYNAMIC_LINK */
+
+/* Max length of module suffix searched for -- accommodates "module.so" */
+#ifndef MAXSUFFIXSIZE
+#define MAXSUFFIXSIZE 10
+#endif
+
+/* Pass it on to import.c */
+int import_maxsuffixsize = MAXSUFFIXSIZE;
+
+struct filedescr import_filetab[] = {
+#ifdef SHORT_EXT
+ {SHORT_EXT, "rb", C_EXTENSION},
+#endif /* !SHORT_EXT */
+#ifdef LONG_EXT
+ {LONG_EXT, "rb", C_EXTENSION},
+#endif /* !LONG_EXT */
+ {".py", "r", PY_SOURCE},
+ {".pyc", "rb", PY_COMPILED},
+ {0, 0}
+};
+
+object *
+load_dynamic_module(name, pathname)
+ char *name;
+ char *pathname;
+{
+#ifndef DYNAMIC_LINK
+ err_setstr(ImportError, "dynamically linked modules not supported");
+ return NULL;
+#else
+ object *m;
+ char funcname[258];
+ dl_funcptr p = NULL;
+ if (m != NULL) {
+ err_setstr(ImportError,
+ "cannot reload dynamically loaded module");
+ return NULL;
+ }
+ sprintf(funcname, FUNCNAME_PATTERN, name);
+#ifdef WITH_MAC_DL
+ {
+ object *v = dynamic_load(pathname);
+ if (v == NULL)
+ return NULL;
+ }
+#else /* !WITH_MAC_DL */
+#ifdef USE_SHLIB
+ {
+#ifdef RTLD_NOW
+ /* RTLD_NOW: resolve externals now
+ (i.e. core dump now if some are missing) */
+ void *handle = dlopen(pathname, RTLD_NOW);
+#else
+ void *handle;
+ if (verbose)
+ printf("dlopen(\"%s\", %d);\n", pathname, RTLD_LAZY);
+ handle = dlopen(pathname, RTLD_LAZY);
+#endif /* RTLD_NOW */
+ if (handle == NULL) {
+ err_setstr(ImportError, dlerror());
+ return NULL;
+ }
+ p = (dl_funcptr) dlsym(handle, funcname);
+ }
+#endif /* USE_SHLIB */
+#ifdef _AIX
+ p = (dl_funcptr) load(pathname, 1, 0);
+ if (p == NULL) {
+ aix_loaderror(pathname);
+ return NULL;
+ }
+#endif /* _AIX */
+#ifdef NT
+ {
+ HINSTANCE hDLL;
+ hDLL = LoadLibrary(pathname);
+ if (hDLL==NULL){
+ char errBuf[64];
+ sprintf(errBuf, "DLL load failed with error code %d",
+ GetLastError());
+ err_setstr(ImportError, errBuf);
+ return NULL;
+ }
+ p = GetProcAddress(hDLL, funcname);
+ }
+#endif /* NT */
+#ifdef USE_DL
+ p = dl_loadmod(getprogramname(), pathname, funcname);
+#endif /* USE_DL */
+#ifdef USE_RLD
+ {
+ NXStream *errorStream;
+ struct mach_header *new_header;
+ const char *filenames[2];
+ long ret;
+ unsigned long ptr;
+
+ errorStream = NXOpenMemory(NULL, 0, NX_WRITEONLY);
+ filenames[0] = pathname;
+ filenames[1] = NULL;
+ ret = rld_load(errorStream, &new_header,
+ filenames, NULL);
+
+ /* extract the error messages for the exception */
+ if(!ret) {
+ char *streamBuf;
+ int len, maxLen;
+
+ NXPutc(errorStream, (char)0);
+
+ NXGetMemoryBuffer(errorStream,
+ &streamBuf, &len, &maxLen);
+ err_setstr(ImportError, streamBuf);
+ }
+
+ if(ret && rld_lookup(errorStream, funcname, &ptr))
+ p = (dl_funcptr) ptr;
+
+ NXCloseMemory(errorStream, NX_FREEBUFFER);
+
+ if(!ret)
+ return NULL;
+ }
+#endif /* USE_RLD */
+#ifdef hpux
+ {
+ shl_t lib;
+ int flags;
+
+ flags = BIND_DEFERRED;
+ if (verbose)
+ {
+ flags = BIND_IMMEDIATE | BIND_NONFATAL | BIND_VERBOSE;
+ printf("shl_load %s\n",pathname);
+ }
+ lib = shl_load(pathname, flags, 0);
+ if (lib == NULL)
+ {
+ char buf[256];
+ if (verbose)
+ perror(pathname);
+ sprintf(buf, "Failed to load %.200s", pathname);
+ err_setstr(ImportError, buf);
+ return NULL;
+ }
+ if (verbose)
+ printf("shl_findsym %s\n", funcname);
+ shl_findsym(&lib, funcname, TYPE_UNDEFINED, (void *) &p);
+ if (p == NULL && verbose)
+ perror(funcname);
+ }
+#endif /* hpux */
+ if (p == NULL) {
+ err_setstr(ImportError,
+ "dynamic module does not define init function");
+ return NULL;
+ }
+ (*p)();
+
+#endif /* !WITH_MAC_DL */
+ m = dictlookup(import_modules, name);
+ if (m == NULL) {
+ if (err_occurred() == NULL)
+ err_setstr(SystemError,
+ "dynamic module not initialized properly");
+ return NULL;
+ }
+ if (verbose)
+ fprintf(stderr,
+ "import %s # dynamically loaded from %s\n",
+ name, pathname);
+ INCREF(m);
+ return m;
+#endif /* DYNAMIC_LINK */
+}
+
+
+#ifdef _AIX
+
+#include <ctype.h> /* for isdigit() */
+#include <errno.h> /* for global errno */
+#include <string.h> /* for strerror() */
+
+void aix_loaderror(char *pathname)
+{
+
+ char *message[8], errbuf[1024];
+ int i,j;
+
+ struct errtab {
+ int errno;
+ char *errstr;
+ } load_errtab[] = {
+ {L_ERROR_TOOMANY, "to many errors, rest skipped."},
+ {L_ERROR_NOLIB, "can't load library:"},
+ {L_ERROR_UNDEF, "can't find symbol in library:"},
+ {L_ERROR_RLDBAD,
+ "RLD index out of range or bad relocation type:"},
+ {L_ERROR_FORMAT, "not a valid, executable xcoff file:"},
+ {L_ERROR_MEMBER,
+ "file not an archive or does not contain requested member:"},
+ {L_ERROR_TYPE, "symbol table mismatch:"},
+ {L_ERROR_ALIGN, "text allignment in file is wrong."},
+ {L_ERROR_SYSTEM, "System error:"},
+ {L_ERROR_ERRNO, NULL}
+ };
+
+#define LOAD_ERRTAB_LEN (sizeof(load_errtab)/sizeof(load_errtab[0]))
+#define ERRBUF_APPEND(s) strncat(errbuf, s, sizeof(errbuf)-strlen(errbuf)-1)
+
+ sprintf(errbuf, " from module %.200s ", pathname);
+
+ if (!loadquery(1, &message[0], sizeof(message)))
+ ERRBUF_APPEND(strerror(errno));
+ for(i = 0; message[i] && *message[i]; i++) {
+ int nerr = atoi(message[i]);
+ for (j=0; j<LOAD_ERRTAB_LEN ; j++) {
+ if (nerr == load_errtab[i].errno && load_errtab[i].errstr)
+ ERRBUF_APPEND(load_errtab[i].errstr);
+ }
+ while (isdigit(*message[i])) message[i]++ ;
+ ERRBUF_APPEND(message[i]);
+ ERRBUF_APPEND("\n");
+ }
+ errbuf[strlen(errbuf)-1] = '\0'; /* trim off last newline */
+ err_setstr(ImportError, errbuf);
+ return;
+}
+
+#endif /* _AIX */
diff --git a/Python/importdl.h b/Python/importdl.h
new file mode 100644
index 0000000..c90608e
--- /dev/null
+++ b/Python/importdl.h
@@ -0,0 +1,39 @@
+/***********************************************************
+Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
+Amsterdam, The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior permission.
+
+STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
+THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
+FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Definitions for dynamic loading of extension modules */
+
+enum filetype {SEARCH_ERROR, PY_SOURCE, PY_COMPILED, C_EXTENSION};
+
+extern struct filedescr {
+ char *suffix;
+ char *mode;
+ enum filetype type;
+} import_filetab[];
+
+extern object *import_modules;
+
+extern object *load_dynamic_module PROTO((char *name, char *pathname));
+
+extern int import_maxsuffixsize;
diff --git a/Python/marshal.c b/Python/marshal.c
index 96c530a..48612b0 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -406,6 +406,10 @@ rd_object(fp)
FILE *fp;
{
RFILE rf;
+ if (err_occurred()) {
+ fprintf(stderr, "XXX rd_object called with exception set\n");
+ return NULL;
+ }
rf.fp = fp;
return r_object(&rf);
}
@@ -416,6 +420,10 @@ rds_object(str, len)
int len;
{
RFILE rf;
+ if (err_occurred()) {
+ fprintf(stderr, "XXX rds_object called with exception set\n");
+ return NULL;
+ }
rf.fp = NULL;
rf.str = NULL;
rf.ptr = str;
diff --git a/Python/modsupport.c b/Python/modsupport.c
index ae9a838..2952189 100644
--- a/Python/modsupport.c
+++ b/Python/modsupport.c
@@ -29,7 +29,7 @@ OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#ifdef MPW /* MPW pushes 'extended' for float and double types with varargs */
typedef extended va_double;
-#else
+#else
typedef double va_double;
#endif
@@ -42,7 +42,7 @@ object *
initmodule2(name, methods, passthrough)
char *name;
struct methodlist *methods;
- object *passthrough;
+ object *passthrough;
{
object *m, *d, *v;
struct methodlist *ml;
@@ -58,7 +58,7 @@ initmodule2(name, methods, passthrough)
fatal("out of mem for method name");
sprintf(namebuf, "%s.%s", name, ml->ml_name);
v = newmethodobject(namebuf, ml->ml_meth,
- (object *)passthrough, ml->ml_varargs);
+ (object *)passthrough, ml->ml_varargs);
/* XXX The malloc'ed memory in namebuf is never freed */
if (v == NULL || dictinsert(d, ml->ml_name, v) != 0) {
fprintf(stderr, "initializing module: %s\n", name);
@@ -90,20 +90,33 @@ static int countformat(format, endchar)
int count = 0;
int level = 0;
while (level > 0 || *format != endchar) {
- if (*format == '\0') {
+ switch (*format) {
+ case '\0':
/* Premature end */
err_setstr(SystemError, "unmatched paren in format");
return -1;
- }
- else if (*format == '(') {
+ case '(':
+ case '[':
+ case '{':
if (level == 0)
count++;
level++;
- }
- else if (*format == ')')
+ break;
+ case ')':
+ case ']':
+ case '}':
level--;
- else if (level == 0 && *format != '#')
- count++;
+ break;
+ case '#':
+ case ',':
+ case ':':
+ case ' ':
+ case '\t':
+ break;
+ default:
+ if (level == 0)
+ count++;
+ }
format++;
}
return count;
@@ -114,8 +127,85 @@ static int countformat(format, endchar)
/* After an original idea and first implementation by Steven Miale */
static object *do_mktuple PROTO((char**, va_list *, int, int));
+static object *do_mklist PROTO((char**, va_list *, int, int));
+static object *do_mkdict PROTO((char**, va_list *, int, int));
static object *do_mkvalue PROTO((char**, va_list *));
+
+static object *
+do_mkdict(p_format, p_va, endchar, n)
+ char **p_format;
+ va_list *p_va;
+ int endchar;
+ int n;
+{
+ object *d;
+ int i;
+ if (n < 0)
+ return NULL;
+ if ((d = newdictobject()) == NULL)
+ return NULL;
+ for (i = 0; i < n; i+= 2) {
+ object *k, *v;
+ k = do_mkvalue(p_format, p_va);
+ if (k == NULL) {
+ DECREF(d);
+ return NULL;
+ }
+ v = do_mkvalue(p_format, p_va);
+ if (v == NULL) {
+ DECREF(k);
+ DECREF(d);
+ return NULL;
+ }
+ if (dict2insert(d, k, v) < 0) {
+ DECREF(k);
+ DECREF(v);
+ DECREF(d);
+ return NULL;
+ }
+ }
+ if (d != NULL && **p_format != endchar) {
+ DECREF(d);
+ d = NULL;
+ err_setstr(SystemError, "Unmatched paren in format");
+ }
+ else if (endchar)
+ ++*p_format;
+ return d;
+}
+
+static object *
+do_mklist(p_format, p_va, endchar, n)
+ char **p_format;
+ va_list *p_va;
+ int endchar;
+ int n;
+{
+ object *v;
+ int i;
+ if (n < 0)
+ return NULL;
+ if ((v = newlistobject(n)) == NULL)
+ return NULL;
+ for (i = 0; i < n; i++) {
+ object *w = do_mkvalue(p_format, p_va);
+ if (w == NULL) {
+ DECREF(v);
+ return NULL;
+ }
+ setlistitem(v, i, w);
+ }
+ if (v != NULL && **p_format != endchar) {
+ DECREF(v);
+ v = NULL;
+ err_setstr(SystemError, "Unmatched paren in format");
+ }
+ else if (endchar)
+ ++*p_format;
+ return v;
+}
+
static object *
do_mktuple(p_format, p_va, endchar, n)
char **p_format;
@@ -152,34 +242,41 @@ do_mkvalue(p_format, p_va)
char **p_format;
va_list *p_va;
{
-
- switch (*(*p_format)++) {
-
- case '(':
- return do_mktuple(p_format, p_va, ')',
- countformat(*p_format, ')'));
-
- case 'b':
- case 'h':
- case 'i':
- return newintobject((long)va_arg(*p_va, int));
-
- case 'l':
- return newintobject((long)va_arg(*p_va, long));
-
- case 'f':
- case 'd':
- return newfloatobject((double)va_arg(*p_va, va_double));
-
- case 'c':
+ for (;;) {
+ switch (*(*p_format)++) {
+ case '(':
+ return do_mktuple(p_format, p_va, ')',
+ countformat(*p_format, ')'));
+
+ case '[':
+ return do_mklist(p_format, p_va, ']',
+ countformat(*p_format, ']'));
+
+ case '{':
+ return do_mkdict(p_format, p_va, '}',
+ countformat(*p_format, '}'));
+
+ case 'b':
+ case 'h':
+ case 'i':
+ return newintobject((long)va_arg(*p_va, int));
+
+ case 'l':
+ return newintobject((long)va_arg(*p_va, long));
+
+ case 'f':
+ case 'd':
+ return newfloatobject((double)va_arg(*p_va, double));
+
+ case 'c':
{
char p[1];
p[0] = va_arg(*p_va, int);
return newsizedstringobject(p, 1);
}
-
- case 's':
- case 'z':
+
+ case 's':
+ case 'z':
{
object *v;
char *str = va_arg(*p_va, char *);
@@ -201,33 +298,44 @@ do_mkvalue(p_format, p_va)
}
return v;
}
-
- case 'S':
- case 'O':
+
+ case 'S':
+ case 'O':
{
object *v;
v = va_arg(*p_va, object *);
if (v != NULL)
INCREF(v);
else if (!err_occurred())
- /* If a NULL was passed because a call
- that should have constructed a value
- failed, that's OK, and we pass the error
- on; but if no error occurred it's not
- clear that the caller knew what she
- was doing. */
+ /* If a NULL was passed
+ * because a call that should
+ * have constructed a value
+ * failed, that's OK, and we
+ * pass the error on; but if
+ * no error occurred it's not
+ * clear that the caller knew
+ * what she was doing. */
err_setstr(SystemError,
"NULL object passed to mkvalue");
return v;
}
-
- default:
- err_setstr(SystemError, "bad format char passed to mkvalue");
- return NULL;
-
+
+ case ':':
+ case ',':
+ case ' ':
+ case '\t':
+ break;
+
+ default:
+ err_setstr(SystemError,
+ "bad format char passed to mkvalue");
+ return NULL;
+
+ }
}
}
+
#ifdef HAVE_STDARG_PROTOTYPES
/* VARARGS 2 */
object *mkvalue(char *format, ...)
@@ -257,6 +365,14 @@ vmkvalue(format, va)
{
char *f = format;
int n = countformat(f, '\0');
+ va_list lva;
+
+#ifdef VA_LIST_IS_ARRAY
+ memcpy(lva, va, sizeof(va_list));
+#else
+ lva = va;
+#endif
+
if (n < 0)
return NULL;
if (n == 0) {
@@ -264,6 +380,83 @@ vmkvalue(format, va)
return None;
}
if (n == 1)
- return do_mkvalue(&f, &va);
- return do_mktuple(&f, &va, '\0', n);
+ return do_mkvalue(&f, &lva);
+ return do_mktuple(&f, &lva, '\0', n);
+}
+
+
+#ifdef HAVE_STDARG_PROTOTYPES
+object *
+PyEval_CallFunction(object *obj, char *format, ...)
+#else
+object *
+PyEval_CallFunction(obj, format, va_alist)
+ object *obj;
+ char *format;
+ va_dcl
+#endif
+{
+ va_list vargs;
+ object *args;
+ object *res;
+
+#ifdef HAVE_STDARG_PROTOTYPES
+ va_start(vargs, format);
+#else
+ va_start(vargs);
+#endif
+
+ args = vmkvalue(format, vargs);
+ va_end(vargs);
+
+ if (args == NULL)
+ return NULL;
+
+ res = call_object(obj, args);
+ DECREF(args);
+
+ return res;
+}
+
+
+#ifdef HAVE_STDARG_PROTOTYPES
+object *
+PyEval_CallMethod(object *obj, char *method, char *format, ...)
+#else
+object *
+PyEval_CallMethod(obj, method, format, va_alist)
+ object *obj;
+ char *method;
+ char *format;
+ va_dcl
+#endif
+{
+ va_list vargs;
+ object *meth;
+ object *args;
+ object *res;
+
+ meth = getattr(obj, method);
+ if (meth == NULL)
+ return NULL;
+
+#ifdef HAVE_STDARG_PROTOTYPES
+ va_start(vargs, format);
+#else
+ va_start(vargs);
+#endif
+
+ args = vmkvalue(format, vargs);
+ va_end(vargs);
+
+ if (args == NULL) {
+ DECREF(meth);
+ return NULL;
+ }
+
+ res = call_object(meth, args);
+ DECREF(meth);
+ DECREF(args);
+
+ return res;
}
diff --git a/Python/pythonrun.c b/Python/pythonrun.c
index de0de07..f66c8d7 100644
--- a/Python/pythonrun.c
+++ b/Python/pythonrun.c
@@ -242,12 +242,10 @@ run_command(command)
void
print_error()
{
- object *exception, *v, *f;
- err_get(&exception, &v);
- if (exception == NULL) {
- fprintf(stderr, "print_error called but no exception\n");
- abort();
- }
+ object *exception, *v, *tb, *f;
+ err_fetch(&exception, &v, &tb);
+ if (exception == NULL)
+ fatal("print_error called but no exception");
if (exception == SystemExit) {
if (v == NULL || v == None)
goaway(0);
@@ -262,11 +260,12 @@ print_error()
}
sysset("last_type", exception);
sysset("last_value", v);
+ sysset("last_traceback", tb);
f = sysget("stderr");
if (f == NULL)
fprintf(stderr, "lost sys.stderr\n");
else {
- printtraceback(f);
+ tb_print(tb, f);
if (exception == SyntaxError) {
object *message;
char *filename, *text;
@@ -331,6 +330,7 @@ print_error()
}
XDECREF(exception);
XDECREF(v);
+ XDECREF(tb);
}
object *
@@ -421,7 +421,6 @@ compile_string(str, filename, start)
int start;
{
node *n;
- int err;
codeobject *co;
n = parse_string(str, start);
if (n == NULL)
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 509b819..4cb1658 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -204,7 +204,8 @@ initsys()
XDECREF(v);
dictinsert(sysdict, "modules", get_modules());
dictinsert(sysdict, "builtin_module_names",
- list_builtin_module_names());
+ v = list_builtin_module_names());
+ XDECREF(v);
if (err_occurred())
fatal("can't insert sys.* objects in sys dict");
}
diff --git a/Python/thread_solaris.h b/Python/thread_solaris.h
index 8bbbeb0..97be126 100644
--- a/Python/thread_solaris.h
+++ b/Python/thread_solaris.h
@@ -68,7 +68,7 @@ int start_new_thread _P2(func, void (*func) _P((void *)), arg, void *arg)
funcarg = (struct func_arg *) malloc(sizeof(struct func_arg));
funcarg->func = func;
funcarg->arg = arg;
- if (thr_create(0, 0, new_func, funcarg, THR_NEW_LWP, 0)) {
+ if (thr_create(0, 0, new_func, funcarg, THR_DETACHED, 0)) {
perror("thr_create");
free((void *) funcarg);
success = -1;
diff --git a/Python/traceback.c b/Python/traceback.c
index 1db9c94..414fc8d 100644
--- a/Python/traceback.c
+++ b/Python/traceback.c
@@ -258,7 +258,6 @@ tb_print(v, f)
err_badcall();
return -1;
}
- sysset("last_traceback", v);
limitv = sysget("tracebacklimit");
if (limitv && is_intobject(limitv)) {
limit = getintvalue(limitv);
generated by cgit v0.12 at 2024-11-17 14:33:52 (GMT)