generic-poky/bitbake/lib/bb/msg.py

142 lines
3.4 KiB
Python

# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
"""
BitBake 'msg' implementation
Message handling infrastructure for bitbake
"""
# Copyright (C) 2006 Richard Purdie
#
# 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.
import sys
import collections
import bb
import bb.event
debug_level = collections.defaultdict(lambda: 0)
verbose = False
def _NamedTuple(name, fields):
Tuple = collections.namedtuple(name, " ".join(fields))
return Tuple(*range(len(fields)))
domain = _NamedTuple("Domain", (
"Default",
"Build",
"Cache",
"Collection",
"Data",
"Depends",
"Fetcher",
"Parsing",
"PersistData",
"Provider",
"RunQueue",
"TaskData",
"Util"))
class MsgBase(bb.event.Event):
"""Base class for messages"""
def __init__(self, msg):
self._message = msg
bb.event.Event.__init__(self)
class MsgDebug(MsgBase):
"""Debug Message"""
class MsgNote(MsgBase):
"""Note Message"""
class MsgWarn(MsgBase):
"""Warning Message"""
class MsgError(MsgBase):
"""Error Message"""
class MsgFatal(MsgBase):
"""Fatal Message"""
class MsgPlain(MsgBase):
"""General output"""
#
# Message control functions
#
def set_debug_level(level):
for d in domain:
debug_level[d] = level
debug_level[domain.Default] = level
def get_debug_level(msgdomain = domain.Default):
return debug_level[msgdomain]
def set_verbose(level):
verbose = level
def set_debug_domains(strdomains):
for domainstr in strdomains:
for d in domain:
if domain._fields[d] == domainstr:
debug_level[d] += 1
break
else:
warn(None, "Logging domain %s is not valid, ignoring" % domainstr)
#
# Message handling functions
#
def debug(level, msgdomain, msg, fn = None):
if not msgdomain:
msgdomain = domain.Default
if debug_level[msgdomain] >= level:
bb.event.fire(MsgDebug(msg), None)
if not bb.event._ui_handlers:
print('DEBUG: %s' % (msg))
def note(level, msgdomain, msg, fn = None):
if not msgdomain:
msgdomain = domain.Default
if level == 1 or verbose or debug_level[msgdomain] >= 1:
bb.event.fire(MsgNote(msg), None)
if not bb.event._ui_handlers:
print('NOTE: %s' % (msg))
def warn(msgdomain, msg, fn = None):
bb.event.fire(MsgWarn(msg), None)
if not bb.event._ui_handlers:
print('WARNING: %s' % (msg))
def error(msgdomain, msg, fn = None):
bb.event.fire(MsgError(msg), None)
print('ERROR: %s' % (msg))
def fatal(msgdomain, msg, fn = None):
bb.event.fire(MsgFatal(msg), None)
print('FATAL: %s' % (msg))
sys.exit(1)
def plain(msg, fn = None):
bb.event.fire(MsgPlain(msg), None)
if not bb.event._ui_handlers:
print(msg)