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# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# BitBake Build System Python Library
#
# Copyright (C) 2003 Holger Schurig
# Copyright (C) 2003, 2004 Chris Larson
#
# Based on Gentoo's portage.py.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
__version__ = "1.27.1"
import sys
if sys.version_info < (2, 7, 3):
raise RuntimeError("Sorry, python 2.7.3 or later is required for this version of bitbake")
class BBHandledException(Exception):
"""
The big dilemma for generic bitbake code is what information to give the user
when an exception occurs. Any exception inheriting this base exception class
has already provided information to the user via some 'fired' message type such as
an explicitly fired event using bb.fire, or a bb.error message. If bitbake
encounters an exception derived from this class, no backtrace or other information
will be given to the user, its assumed the earlier event provided the relevant information.
"""
pass
import os
import logging
class NullHandler(logging.Handler):
def emit(self, record):
pass
Logger = logging.getLoggerClass()
class BBLogger(Logger):
def __init__(self, name):
if name.split(".")[0] == "BitBake":
self.debug = self.bbdebug
Logger.__init__(self, name)
def bbdebug(self, level, msg, *args, **kwargs):
return self.log(logging.DEBUG - level + 1, msg, *args, **kwargs)
def plain(self, msg, *args, **kwargs):
return self.log(logging.INFO + 1, msg, *args, **kwargs)
def verbose(self, msg, *args, **kwargs):
return self.log(logging.INFO - 1, msg, *args, **kwargs)
logging.raiseExceptions = False
logging.setLoggerClass(BBLogger)
logger = logging.getLogger("BitBake")
logger.addHandler(NullHandler())
logger.setLevel(logging.DEBUG - 2)
# This has to be imported after the setLoggerClass, as the import of bb.msg
# can result in construction of the various loggers.
import bb.msg
from bb import fetch2 as fetch
sys.modules['bb.fetch'] = sys.modules['bb.fetch2']
# Messaging convenience functions
def plain(*args):
logger.plain(''.join(args))
def debug(lvl, *args):
if isinstance(lvl, basestring):
logger.warn("Passed invalid debug level '%s' to bb.debug", lvl)
args = (lvl,) + args
lvl = 1
logger.debug(lvl, ''.join(args))
def note(*args):
logger.info(''.join(args))
def warn(*args):
logger.warn(''.join(args))
def error(*args, **kwargs):
logger.error(''.join(args), extra=kwargs)
def fatal(*args, **kwargs):
logger.critical(''.join(args), extra=kwargs)
raise BBHandledException()
def deprecated(func, name=None, advice=""):
"""This is a decorator which can be used to mark functions
as deprecated. It will result in a warning being emitted
when the function is used."""
import warnings
if advice:
advice = ": %s" % advice
if name is None:
name = func.__name__
def newFunc(*args, **kwargs):
warnings.warn("Call to deprecated function %s%s." % (name,
advice),
category=DeprecationWarning,
stacklevel=2)
return func(*args, **kwargs)
newFunc.__name__ = func.__name__
newFunc.__doc__ = func.__doc__
newFunc.__dict__.update(func.__dict__)
return newFunc
# For compatibility
def deprecate_import(current, modulename, fromlist, renames = None):
"""Import objects from one module into another, wrapping them with a DeprecationWarning"""
import sys
module = __import__(modulename, fromlist = fromlist)
for position, objname in enumerate(fromlist):
obj = getattr(module, objname)
newobj = deprecated(obj, "{0}.{1}".format(current, objname),
"Please use {0}.{1} instead".format(modulename, objname))
if renames:
newname = renames[position]
else:
newname = objname
setattr(sys.modules[current], newname, newobj)
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