Function idle_formatwarning

Lib/idlelib/run.py:51–62

Format warnings the IDLE way.

(message, category, filename, lineno, line=None)

def idle_formatwarning(message, category, filename, lineno, line=None):
    """Format warnings the IDLE way."""

    s = "\nWarning (from warnings module):\n"
    s += f'  File \"{filename}\", line {lineno}\n'
    if line is None:
        line = linecache.getline(filename, lineno)
    line = line.strip()
    if line:
        s += "    %s\n" % line
    s += f"{category.__name__}: {message}\n"
    return s

def idle_showwarning_subproc(
        message, category, filename, lineno, file=None, line=None):