On 02/22/2018 11:06 AM, Michał Górny wrote: > Use os.chflags() and os.lchflags() built-in functions instead of calling > external 'chflags' tool on FreeBSD. This fixes major performance > problems Portage has on FreeBSD. > > Bug: https://bugs.gentoo.org/648432 > --- > pym/portage/__init__.py | 50 > +++---------------------------------------------- > 1 file changed, 3 insertions(+), 47 deletions(-) > > diff --git a/pym/portage/__init__.py b/pym/portage/__init__.py > index 0e036b12e..99f3f98ac 100644 > --- a/pym/portage/__init__.py > +++ b/pym/portage/__init__.py > @@ -419,54 +419,10 @@ def _shell_quote(s): > bsd_chflags = None > > if platform.system() in ('FreeBSD',): > - > + # TODO: remove this class? > class bsd_chflags(object): > - > - @classmethod > - def chflags(cls, path, flags, opts=""): > - cmd = ['chflags'] > - if opts: > - cmd.append(opts) > - cmd.append('%o' % (flags,)) > - cmd.append(path) > - > - if sys.hexversion < 0x3020000 and sys.hexversion >= > 0x3000000: > - # Python 3.1 _execvp throws TypeError for > non-absolute executable > - # path passed as bytes (see > https://bugs.python.org/issue8513). > - fullname = process.find_binary(cmd[0]) > - if fullname is None: > - raise exception.CommandNotFound(cmd[0]) > - cmd[0] = fullname > - > - encoding = _encodings['fs'] > - cmd = [_unicode_encode(x, encoding=encoding, > errors='strict') > - for x in cmd] > - proc = subprocess.Popen(cmd, stdout=subprocess.PIPE, > - stderr=subprocess.STDOUT) > - output = proc.communicate()[0] > - status = proc.wait() > - if os.WIFEXITED(status) and os.WEXITSTATUS(status) == > os.EX_OK: > - return > - # Try to generate an ENOENT error if appropriate. > - if 'h' in opts: > - _os_merge.lstat(path) > - else: > - _os_merge.stat(path) > - # Make sure the binary exists. > - if not portage.process.find_binary('chflags'): > - raise > portage.exception.CommandNotFound('chflags') > - # Now we're not sure exactly why it failed or what > - # the real errno was, so just report EPERM. > - output = _unicode_decode(output, encoding=encoding) > - e = OSError(errno.EPERM, output) > - e.errno = errno.EPERM > - e.filename = path > - e.message = output > - raise e > - > - @classmethod > - def lchflags(cls, path, flags): > - return cls.chflags(path, flags, opts='-h') > + chflags = os.chflags > + lchflags = os.lchflags > > def load_mod(name): > modname = ".".join(name.split(".")[:-1]) >
Looks good, thanks! -- Thanks, Zac
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