bpo-40421: Add PyFrame_GetCode() function (GH-19757)

PyFrame_GetCode(frame): return a borrowed reference to the frame
code.

Replace frame->f_code with PyFrame_GetCode(frame) in most code,
except in frameobject.c, genobject.c and ceval.c.

Also add PyFrame_GetLineNumber() to the limited C API.
This commit is contained in:
Victor Stinner 2020-04-28 19:01:31 +02:00 committed by GitHub
parent b8f704d219
commit a42ca74fa3
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GPG key ID: 4AEE18F83AFDEB23
12 changed files with 58 additions and 25 deletions

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@ -560,24 +560,23 @@ tb_printinternal(PyTracebackObject *tb, PyObject *f, long limit)
tb = tb->tb_next;
}
while (tb != NULL && err == 0) {
PyCodeObject *code = PyFrame_GetCode(tb->tb_frame);
if (last_file == NULL ||
tb->tb_frame->f_code->co_filename != last_file ||
code->co_filename != last_file ||
last_line == -1 || tb->tb_lineno != last_line ||
last_name == NULL || tb->tb_frame->f_code->co_name != last_name) {
last_name == NULL || code->co_name != last_name) {
if (cnt > TB_RECURSIVE_CUTOFF) {
err = tb_print_line_repeated(f, cnt);
}
last_file = tb->tb_frame->f_code->co_filename;
last_file = code->co_filename;
last_line = tb->tb_lineno;
last_name = tb->tb_frame->f_code->co_name;
last_name = code->co_name;
cnt = 0;
}
cnt++;
if (err == 0 && cnt <= TB_RECURSIVE_CUTOFF) {
err = tb_displayline(f,
tb->tb_frame->f_code->co_filename,
tb->tb_lineno,
tb->tb_frame->f_code->co_name);
err = tb_displayline(f, code->co_filename, tb->tb_lineno,
code->co_name);
if (err == 0) {
err = PyErr_CheckSignals();
}
@ -756,7 +755,7 @@ dump_frame(int fd, PyFrameObject *frame)
PyCodeObject *code;
int lineno;
code = frame->f_code;
code = PyFrame_GetCode(frame);
PUTS(fd, " File ");
if (code != NULL && code->co_filename != NULL
&& PyUnicode_Check(code->co_filename))