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#!/usr/bin/env python3
# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
#
# Copyright (C) 2014 Alex Damian
#
# This file re-uses code spread throughout other Bitbake source files.
# As such, all other copyrights belong to their own right holders.
#
#
# 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.
# This command takes a filename as a single parameter. The filename is read
# as a build eventlog, and the ToasterUI is used to process events in the file
# and log data in the database
from __future__ import print_function
import os
import sys, logging
import codecs
# mangle syspath to allow easy import of modules
sys.path.insert(0, os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
'lib'))
import bb.cooker
from bb.ui import toasterui
import sys
import logging
import json, pickle
class FileReadEventsServerConnection():
""" Emulates a connection to a bitbake server that feeds
events coming actually read from a saved log file.
"""
class MockConnection():
""" fill-in for the proxy to the server. we just return generic data
"""
def __init__(self, sc):
self._sc = sc
self.eventmask = []
def runCommand(self, commandArray):
""" emulates running a command on the server; only read-only commands are accepted """
command_name = commandArray[0]
if command_name == "getVariable":
if commandArray[1] in self._sc._variables:
return (self._sc._variables[commandArray[1]]['v'], None)
return (None, "Missing variable")
elif command_name == "getAllKeysWithFlags":
dump = {}
flaglist = commandArray[1]
for k in self._sc._variables.keys():
try:
if not k.startswith("__"):
v = self._sc._variables[k]['v']
dump[k] = {
'v' : v ,
'history' : self._sc._variables[k]['history'],
}
for d in flaglist:
dump[k][d] = self._sc._variables[k][d]
except Exception as e:
print(e)
return (dump, None)
elif command_name == 'setEventMask':
self.eventmask = commandArray[-1]
return True, None
else:
raise Exception("Command %s not implemented" % commandArray[0])
def terminateServer(self):
""" do not do anything """
pass
def getEventHandle(self):
pass
class EventReader():
def __init__(self, sc):
self._sc = sc
self.firstraise = 0
def _create_event(self, line):
def _import_class(name):
assert len(name) > 0
assert "." in name, name
components = name.strip().split(".")
modulename = ".".join(components[:-1])
moduleklass = components[-1]
module = __import__(modulename, fromlist=[str(moduleklass)])
return getattr(module, moduleklass)
# we build a toaster event out of current event log line
try:
event_data = json.loads(line.strip())
event_class = _import_class(event_data['class'])
event_str = event_data['vars'].encode('utf-8')
event_object = pickle.loads(codecs.decode(event_str, 'base64'))
except ValueError as e:
print("Failed loading ", line)
raise e
if not isinstance(event_object, event_class):
raise Exception("Error loading objects %s class %s ", event_object, event_class)
return event_object
def waitEvent(self, timeout):
nextline = self._sc._eventfile.readline()
if len(nextline) == 0:
# the build data ended, while toasterui still waits for events.
# this happens when the server was abruptly stopped, so we simulate this
self.firstraise += 1
if self.firstraise == 1:
raise KeyboardInterrupt()
else:
return None
else:
self._sc.lineno += 1
return self._create_event(nextline)
def _readVariables(self, variableline):
self._variables = json.loads(variableline.strip())['allvariables']
def __init__(self, file_name):
self.connection = FileReadEventsServerConnection.MockConnection(self)
self._eventfile = open(file_name, "r")
# we expect to have the variable dump at the start of the file
self.lineno = 1
self._readVariables(self._eventfile.readline())
self.events = FileReadEventsServerConnection.EventReader(self)
class MockConfigParameters():
""" stand-in for cookerdata.ConfigParameters; as we don't really config a cooker, this
serves just to supply needed interfaces for the toaster ui to work """
def __init__(self):
self.observe_only = True # we can only read files
# run toaster ui on our mock bitbake class
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Usage: %s event.log " % sys.argv[0])
sys.exit(1)
file_name = sys.argv[-1]
mock_connection = FileReadEventsServerConnection(file_name)
configParams = MockConfigParameters()
# run the main program and set exit code to the returned value
sys.exit(toasterui.main(mock_connection.connection, mock_connection.events, configParams))
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