comparison mercurial/util.py @ 43754:02ededbef627

util: add an optional `prefix` argument to debugstacktrace

This is useful when using it in a specific context.

Differential Revision: https://phab.mercurial-scm.org/D7477

43753:2276a9a1c037

    msg=b'stacktrace',
    skip=0,
    f=procutil.stderr,
    otherf=procutil.stdout,
    depth=0,
):
    '''Writes a message to f (stderr) with a nicely formatted stacktrace.
    Skips the 'skip' entries closest to the call, then show 'depth' entries.
    By default it will flush stdout first.
    It can be used everywhere and intentionally does not require an ui object.
    Not be used in production code but very convenient while developing.
    '''
    if otherf:
        otherf.flush()
    f.write(b'%s at:\n' % msg.rstrip())
    for line in getstackframes(skip + 1, depth=depth):
        f.write(line)
    f.flush()


# convenient shortcut
dst = debugstacktrace

43754:02ededbef627

    msg=b'stacktrace',
    skip=0,
    f=procutil.stderr,
    otherf=procutil.stdout,
    depth=0,
    prefix=b'',
):
    '''Writes a message to f (stderr) with a nicely formatted stacktrace.
    Skips the 'skip' entries closest to the call, then show 'depth' entries.
    By default it will flush stdout first.
    It can be used everywhere and intentionally does not require an ui object.
    Not be used in production code but very convenient while developing.
    '''
    if otherf:
        otherf.flush()
    f.write(b'%s%s at:\n' % (prefix, msg.rstrip()))
    for line in getstackframes(skip + 1, depth=depth):
        f.write(prefix + line)
    f.flush()


# convenient shortcut
dst = debugstacktrace