This is an archive of the discontinued Mercurial Phabricator instance.

Differential D7477

util: add an optional `prefix` argument to debugstacktrace
ClosedPublic

Authored by marmoute on Nov 22 2019, 4:19 AM.

Details

Reviewers
indygreg
Group Reviewers
hg-reviewers
Commits
rHG02ededbef627: util: add an optional `prefix` argument to debugstacktrace
rHG6301ea7a26b6: util: add an optional `prefix` argument to debugstacktrace
Summary

This is useful when using it in a specific context.

Diff Detail

Repository
rHG Mercurial
Lint
Lint Skipped
Unit
Unit Tests Skipped

Revision Contents
Changeset List

PathPackages
Mmercurial/util.py (5 lines)

Diff 18344

mercurial/util.py

def debugstacktrace( def debugstacktrace(
msg=b'stacktrace', msg=b'stacktrace',
skip=0, skip=0,
f=procutil.stderr, f=procutil.stderr,
otherf=procutil.stdout, otherf=procutil.stdout,
depth=0, depth=0,
prefix=b'',
): ):
'''Writes a message to f (stderr) with a nicely formatted stacktrace. '''Writes a message to f (stderr) with a nicely formatted stacktrace.
Skips the 'skip' entries closest to the call, then show 'depth' entries. Skips the 'skip' entries closest to the call, then show 'depth' entries.
By default it will flush stdout first. By default it will flush stdout first.
It can be used everywhere and intentionally does not require an ui object. It can be used everywhere and intentionally does not require an ui object.
Not be used in production code but very convenient while developing. Not be used in production code but very convenient while developing.
''' '''
if otherf: if otherf:
otherf.flush() otherf.flush()
f.write(b'%s at:\n' % msg.rstrip()) f.write(b'%s%s at:\n' % (prefix, msg.rstrip()))
for line in getstackframes(skip + 1, depth=depth): for line in getstackframes(skip + 1, depth=depth):
f.write(line) f.write(prefix + line)
f.flush() f.flush()
# convenient shortcut # convenient shortcut
dst = debugstacktrace dst = debugstacktrace
def safename(f, tag, ctx, others=None): def safename(f, tag, ctx, others=None):