Mercurial > hg
view mercurial/loggingutil.py @ 46969:d9531094cf8e
cmdutil: fix an uninitialize variable usage in clearunfinished()
I happened to notice that PyCharm flagged this while looking for something else.
I'm pretty sure it meant to check the current state in the iteration, and not
keep reusing the last one in the previous iteration.
Differential Revision: https://phab.mercurial-scm.org/D10459
author | Matt Harbison <matt_harbison@yahoo.com> |
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date | Sat, 17 Apr 2021 00:28:21 -0400 |
parents | 4a6024b87dfc |
children | 6000f5b25c9b |
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# loggingutil.py - utility for logging events # # Copyright 2010 Nicolas Dumazet # Copyright 2013 Facebook, Inc. # # This software may be used and distributed according to the terms of the # GNU General Public License version 2 or any later version. from __future__ import absolute_import import errno from . import ( encoding, pycompat, ) from .utils import ( dateutil, procutil, stringutil, ) def openlogfile(ui, vfs, name, maxfiles=0, maxsize=0): """Open log file in append mode, with optional rotation If maxsize > 0, the log file will be rotated up to maxfiles. """ def rotate(oldpath, newpath): try: vfs.unlink(newpath) except OSError as err: if err.errno != errno.ENOENT: ui.debug( b"warning: cannot remove '%s': %s\n" % (newpath, encoding.strtolocal(err.strerror)) ) try: if newpath: vfs.rename(oldpath, newpath) except OSError as err: if err.errno != errno.ENOENT: ui.debug( b"warning: cannot rename '%s' to '%s': %s\n" % (newpath, oldpath, encoding.strtolocal(err.strerror)) ) if maxsize > 0: try: st = vfs.stat(name) except OSError: pass else: if st.st_size >= maxsize: path = vfs.join(name) for i in pycompat.xrange(maxfiles - 1, 1, -1): rotate( oldpath=b'%s.%d' % (path, i - 1), newpath=b'%s.%d' % (path, i), ) rotate(oldpath=path, newpath=maxfiles > 0 and path + b'.1') return vfs(name, b'a', makeparentdirs=False) def _formatlogline(msg): date = dateutil.datestr(format=b'%Y/%m/%d %H:%M:%S') pid = procutil.getpid() return b'%s (%d)> %s' % (date, pid, msg) def _matchevent(event, tracked): return b'*' in tracked or event in tracked class filelogger(object): """Basic logger backed by physical file with optional rotation""" def __init__(self, vfs, name, tracked, maxfiles=0, maxsize=0): self._vfs = vfs self._name = name self._trackedevents = set(tracked) self._maxfiles = maxfiles self._maxsize = maxsize def tracked(self, event): return _matchevent(event, self._trackedevents) def log(self, ui, event, msg, opts): line = _formatlogline(msg) try: with openlogfile( ui, self._vfs, self._name, maxfiles=self._maxfiles, maxsize=self._maxsize, ) as fp: fp.write(line) except IOError as err: ui.debug( b'cannot write to %s: %s\n' % (self._name, stringutil.forcebytestr(err)) ) class fileobjectlogger(object): """Basic logger backed by file-like object""" def __init__(self, fp, tracked): self._fp = fp self._trackedevents = set(tracked) def tracked(self, event): return _matchevent(event, self._trackedevents) def log(self, ui, event, msg, opts): line = _formatlogline(msg) try: self._fp.write(line) self._fp.flush() except IOError as err: ui.debug( b'cannot write to %s: %s\n' % ( stringutil.forcebytestr(self._fp.name), stringutil.forcebytestr(err), ) ) class proxylogger(object): """Forward log events to another logger to be set later""" def __init__(self): self.logger = None def tracked(self, event): return self.logger is not None and self.logger.tracked(event) def log(self, ui, event, msg, opts): assert self.logger is not None self.logger.log(ui, event, msg, opts)