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comparison mercurial/util.py @ 43754:02ededbef627

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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
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Sun, 17 Nov 2019 06:26:41 +0100
parents 7eb701e355bd
children 40bd667491a7
comparison
equal deleted inserted replaced
43753:2276a9a1c037 43754:02ededbef627
3464 msg=b'stacktrace', 3464 msg=b'stacktrace',
3465 skip=0, 3465 skip=0,
3466 f=procutil.stderr, 3466 f=procutil.stderr,
3467 otherf=procutil.stdout, 3467 otherf=procutil.stdout,
3468 depth=0, 3468 depth=0,
3469 prefix=b'',
3469 ): 3470 ):
3470 '''Writes a message to f (stderr) with a nicely formatted stacktrace. 3471 '''Writes a message to f (stderr) with a nicely formatted stacktrace.
3471 Skips the 'skip' entries closest to the call, then show 'depth' entries. 3472 Skips the 'skip' entries closest to the call, then show 'depth' entries.
3472 By default it will flush stdout first. 3473 By default it will flush stdout first.
3473 It can be used everywhere and intentionally does not require an ui object. 3474 It can be used everywhere and intentionally does not require an ui object.
3474 Not be used in production code but very convenient while developing. 3475 Not be used in production code but very convenient while developing.
3475 ''' 3476 '''
3476 if otherf: 3477 if otherf:
3477 otherf.flush() 3478 otherf.flush()
3478 f.write(b'%s at:\n' % msg.rstrip()) 3479 f.write(b'%s%s at:\n' % (prefix, msg.rstrip()))
3479 for line in getstackframes(skip + 1, depth=depth): 3480 for line in getstackframes(skip + 1, depth=depth):
3480 f.write(line) 3481 f.write(prefix + line)
3481 f.flush() 3482 f.flush()
3482 3483
3483 3484
3484 # convenient shortcut 3485 # convenient shortcut
3485 dst = debugstacktrace 3486 dst = debugstacktrace