87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
"""
|
|
BitBake progress handling code
|
|
"""
|
|
|
|
# Copyright (C) 2016 Intel Corporation
|
|
#
|
|
# 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 re
|
|
import time
|
|
import bb.event
|
|
import bb.build
|
|
|
|
class ProgressHandler(object):
|
|
"""
|
|
Base class that can pretend to be a file object well enough to be
|
|
used to build objects to intercept console output and determine the
|
|
progress of some operation.
|
|
"""
|
|
def __init__(self, d, outfile=None):
|
|
self._progress = 0
|
|
self._data = d
|
|
self._lastevent = 0
|
|
if outfile:
|
|
self._outfile = outfile
|
|
else:
|
|
self._outfile = sys.stdout
|
|
|
|
def _fire_progress(self, taskprogress, rate=None):
|
|
"""Internal function to fire the progress event"""
|
|
bb.event.fire(bb.build.TaskProgress(taskprogress, rate), self._data)
|
|
|
|
def write(self, string):
|
|
self._outfile.write(string)
|
|
|
|
def flush(self):
|
|
self._outfile.flush()
|
|
|
|
def update(self, progress, rate=None):
|
|
ts = time.time()
|
|
if progress > 100:
|
|
progress = 100
|
|
if progress != self._progress or self._lastevent + 1 < ts:
|
|
self._fire_progress(progress, rate)
|
|
self._lastevent = ts
|
|
self._progress = progress
|
|
|
|
class BasicProgressHandler(ProgressHandler):
|
|
def __init__(self, d, regex=r'(\d+)%', outfile=None):
|
|
super(BasicProgressHandler, self).__init__(d, outfile)
|
|
self._regex = re.compile(regex)
|
|
# Send an initial progress event so the bar gets shown
|
|
self._fire_progress(0)
|
|
|
|
def write(self, string):
|
|
percs = self._regex.findall(string)
|
|
if percs:
|
|
progress = int(percs[-1])
|
|
self.update(progress)
|
|
super(BasicProgressHandler, self).write(string)
|
|
|
|
class OutOfProgressHandler(ProgressHandler):
|
|
def __init__(self, d, regex, outfile=None):
|
|
super(OutOfProgressHandler, self).__init__(d, outfile)
|
|
self._regex = re.compile(regex)
|
|
# Send an initial progress event so the bar gets shown
|
|
self._fire_progress(0)
|
|
|
|
def write(self, string):
|
|
nums = self._regex.findall(string)
|
|
if nums:
|
|
progress = (float(nums[-1][0]) / float(nums[-1][1])) * 100
|
|
self.update(progress)
|
|
super(OutOfProgressHandler, self).write(string)
|