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poky/bitbake/lib/bb/ui/ncurses.py
Richard Purdie f0930c8d63 bitbake: cooker: Move commandline parsing back into the UI/cookerdata 
Building up a set of actions for the server is tricky since we depend upon the
commandline but fall back to values from the datastore. We should be able to build
a datastore without a commandline and vice versa. Ultimately the UI should send
the commands to the server.

This patch amounts to code rearranging, moving the heavy lifting to the UI, though
a helper in the configuration option. This will need further cleanup/tweaking but
this should be the only update needed to the UIs. The code now queries the server
for any missing data should it need to.

This code allows various knowledge of configuration variables to move to the UI side
only, partcularly pkgs_to_build but also all the command specifiers. It should also
be possible to move cmd eventually, I'm just unsure if any callers call the commands
expecting this to default to something sane right now.

(Bitbake rev: 2dbbb1d51dafd4451fef8fe16f095bcd4b8f1177)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2013-05-22 12:10:13 +01:00

374 lines
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Python
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#
# BitBake Curses UI Implementation
#
# Implements an ncurses frontend for the BitBake utility.
#
# Copyright (C) 2006 Michael 'Mickey' Lauer
# Copyright (C) 2006-2007 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.
"""
We have the following windows:
1.) Main Window: Shows what we are ultimately building and how far we are. Includes status bar
2.) Thread Activity Window: Shows one status line for every concurrent bitbake thread.
3.) Command Line Window: Contains an interactive command line where you can interact w/ Bitbake.
Basic window layout is like that:
|---------------------------------------------------------|
| <Main Window> | <Thread Activity Window> |
| | 0: foo do_compile complete|
| Building Gtk+-2.6.10 | 1: bar do_patch complete |
| Status: 60% | ... |
| | ... |
| | ... |
|---------------------------------------------------------|
|<Command Line Window> |
|>>> which virtual/kernel |
|openzaurus-kernel |
|>>> _ |
|---------------------------------------------------------|
"""
from __future__ import division
import logging
import os, sys, itertools, time, subprocess
try:
import curses
except ImportError:
sys.exit("FATAL: The ncurses ui could not load the required curses python module.")
import bb
import xmlrpclib
from bb import ui
from bb.ui import uihelper
parsespin = itertools.cycle( r'|/-\\' )
X = 0
Y = 1
WIDTH = 2
HEIGHT = 3
MAXSTATUSLENGTH = 32
class NCursesUI:
"""
NCurses UI Class
"""
class Window:
"""Base Window Class"""
def __init__( self, x, y, width, height, fg=curses.COLOR_BLACK, bg=curses.COLOR_WHITE ):
self.win = curses.newwin( height, width, y, x )
self.dimensions = ( x, y, width, height )
"""
if curses.has_colors():
color = 1
curses.init_pair( color, fg, bg )
self.win.bkgdset( ord(' '), curses.color_pair(color) )
else:
self.win.bkgdset( ord(' '), curses.A_BOLD )
"""
self.erase()
self.setScrolling()
self.win.noutrefresh()
def erase( self ):
self.win.erase()
def setScrolling( self, b = True ):
self.win.scrollok( b )
self.win.idlok( b )
def setBoxed( self ):
self.boxed = True
self.win.box()
self.win.noutrefresh()
def setText( self, x, y, text, *args ):
self.win.addstr( y, x, text, *args )
self.win.noutrefresh()
def appendText( self, text, *args ):
self.win.addstr( text, *args )
self.win.noutrefresh()
def drawHline( self, y ):
self.win.hline( y, 0, curses.ACS_HLINE, self.dimensions[WIDTH] )
self.win.noutrefresh()
class DecoratedWindow( Window ):
"""Base class for windows with a box and a title bar"""
def __init__( self, title, x, y, width, height, fg=curses.COLOR_BLACK, bg=curses.COLOR_WHITE ):
NCursesUI.Window.__init__( self, x+1, y+3, width-2, height-4, fg, bg )
self.decoration = NCursesUI.Window( x, y, width, height, fg, bg )
self.decoration.setBoxed()
self.decoration.win.hline( 2, 1, curses.ACS_HLINE, width-2 )
self.setTitle( title )
def setTitle( self, title ):
self.decoration.setText( 1, 1, title.center( self.dimensions[WIDTH]-2 ), curses.A_BOLD )
#-------------------------------------------------------------------------#
# class TitleWindow( Window ):
#-------------------------------------------------------------------------#
# """Title Window"""
# def __init__( self, x, y, width, height ):
# NCursesUI.Window.__init__( self, x, y, width, height )
# version = bb.__version__
# title = "BitBake %s" % version
# credit = "(C) 2003-2007 Team BitBake"
# #self.win.hline( 2, 1, curses.ACS_HLINE, width-2 )
# self.win.border()
# self.setText( 1, 1, title.center( self.dimensions[WIDTH]-2 ), curses.A_BOLD )
# self.setText( 1, 2, credit.center( self.dimensions[WIDTH]-2 ), curses.A_BOLD )
#-------------------------------------------------------------------------#
class ThreadActivityWindow( DecoratedWindow ):
#-------------------------------------------------------------------------#
"""Thread Activity Window"""
def __init__( self, x, y, width, height ):
NCursesUI.DecoratedWindow.__init__( self, "Thread Activity", x, y, width, height )
def setStatus( self, thread, text ):
line = "%02d: %s" % ( thread, text )
width = self.dimensions[WIDTH]
if ( len(line) > width ):
line = line[:width-3] + "..."
else:
line = line.ljust( width )
self.setText( 0, thread, line )
#-------------------------------------------------------------------------#
class MainWindow( DecoratedWindow ):
#-------------------------------------------------------------------------#
"""Main Window"""
def __init__( self, x, y, width, height ):
self.StatusPosition = width - MAXSTATUSLENGTH
NCursesUI.DecoratedWindow.__init__( self, None, x, y, width, height )
curses.nl()
def setTitle( self, title ):
title = "BitBake %s" % bb.__version__
self.decoration.setText( 2, 1, title, curses.A_BOLD )
self.decoration.setText( self.StatusPosition - 8, 1, "Status:", curses.A_BOLD )
def setStatus(self, status):
while len(status) < MAXSTATUSLENGTH:
status = status + " "
self.decoration.setText( self.StatusPosition, 1, status, curses.A_BOLD )
#-------------------------------------------------------------------------#
class ShellOutputWindow( DecoratedWindow ):
#-------------------------------------------------------------------------#
"""Interactive Command Line Output"""
def __init__( self, x, y, width, height ):
NCursesUI.DecoratedWindow.__init__( self, "Command Line Window", x, y, width, height )
#-------------------------------------------------------------------------#
class ShellInputWindow( Window ):
#-------------------------------------------------------------------------#
"""Interactive Command Line Input"""
def __init__( self, x, y, width, height ):
NCursesUI.Window.__init__( self, x, y, width, height )
# put that to the top again from curses.textpad import Textbox
# self.textbox = Textbox( self.win )
# t = threading.Thread()
# t.run = self.textbox.edit
# t.start()
#-------------------------------------------------------------------------#
def main(self, stdscr, server, eventHandler, params):
#-------------------------------------------------------------------------#
height, width = stdscr.getmaxyx()
# for now split it like that:
# MAIN_y + THREAD_y = 2/3 screen at the top
# MAIN_x = 2/3 left, THREAD_y = 1/3 right
# CLI_y = 1/3 of screen at the bottom
# CLI_x = full
main_left = 0
main_top = 0
main_height = ( height // 3 * 2 )
main_width = ( width // 3 ) * 2
clo_left = main_left
clo_top = main_top + main_height
clo_height = height - main_height - main_top - 1
clo_width = width
cli_left = main_left
cli_top = clo_top + clo_height
cli_height = 1
cli_width = width
thread_left = main_left + main_width
thread_top = main_top
thread_height = main_height
thread_width = width - main_width
#tw = self.TitleWindow( 0, 0, width, main_top )
mw = self.MainWindow( main_left, main_top, main_width, main_height )
taw = self.ThreadActivityWindow( thread_left, thread_top, thread_width, thread_height )
clo = self.ShellOutputWindow( clo_left, clo_top, clo_width, clo_height )
cli = self.ShellInputWindow( cli_left, cli_top, cli_width, cli_height )
cli.setText( 0, 0, "BB>" )
mw.setStatus("Idle")
helper = uihelper.BBUIHelper()
shutdown = 0
try:
params.updateFromServer(server)
cmdline = params.parseActions()
if not cmdline:
print("Nothing to do. Use 'bitbake world' to build everything, or run 'bitbake --help' for usage information.")
return 1
if 'msg' in cmdline and cmdline['msg']:
logger.error(cmdline['msg'])
return 1
cmdline = cmdline['action']
ret, error = server.runCommand(cmdline)
if error:
print("Error running command '%s': %s" % (cmdline, error))
return
elif ret != True:
print("Couldn't get default commandlind! %s" % ret)
return
except xmlrpclib.Fault as x:
print("XMLRPC Fault getting commandline:\n %s" % x)
return
exitflag = False
while not exitflag:
try:
event = eventHandler.waitEvent(0.25)
if not event:
continue
helper.eventHandler(event)
if isinstance(event, bb.build.TaskBase):
mw.appendText("NOTE: %s\n" % event._message)
if isinstance(event, logging.LogRecord):
mw.appendText(logging.getLevelName(event.levelno) + ': ' + event.getMessage() + '\n')
if isinstance(event, bb.event.CacheLoadStarted):
self.parse_total = event.total
if isinstance(event, bb.event.CacheLoadProgress):
x = event.current
y = self.parse_total
mw.setStatus("Loading Cache: %s [%2d %%]" % ( next(parsespin), x*100/y ) )
if isinstance(event, bb.event.CacheLoadCompleted):
mw.setStatus("Idle")
mw.appendText("Loaded %d entries from dependency cache.\n"
% ( event.num_entries))
if isinstance(event, bb.event.ParseStarted):
self.parse_total = event.total
if isinstance(event, bb.event.ParseProgress):
x = event.current
y = self.parse_total
mw.setStatus("Parsing Recipes: %s [%2d %%]" % ( next(parsespin), x*100/y ) )
if isinstance(event, bb.event.ParseCompleted):
mw.setStatus("Idle")
mw.appendText("Parsing finished. %d cached, %d parsed, %d skipped, %d masked.\n"
% ( event.cached, event.parsed, event.skipped, event.masked ))
# if isinstance(event, bb.build.TaskFailed):
# if event.logfile:
# if data.getVar("BBINCLUDELOGS", d):
# bb.error("log data follows (%s)" % logfile)
# number_of_lines = data.getVar("BBINCLUDELOGS_LINES", d)
# if number_of_lines:
# subprocess.call('tail -n%s %s' % (number_of_lines, logfile), shell=True)
# else:
# f = open(logfile, "r")
# while True:
# l = f.readline()
# if l == '':
# break
# l = l.rstrip()
# print '| %s' % l
# f.close()
# else:
# bb.error("see log in %s" % logfile)
if isinstance(event, bb.command.CommandCompleted):
# stop so the user can see the result of the build, but
# also allow them to now exit with a single ^C
shutdown = 2
if isinstance(event, bb.command.CommandFailed):
mw.appendText("Command execution failed: %s" % event.error)
time.sleep(2)
exitflag = True
if isinstance(event, bb.command.CommandExit):
exitflag = True
if isinstance(event, bb.cooker.CookerExit):
exitflag = True
if isinstance(event, bb.event.LogExecTTY):
mw.appendText('WARN: ' + event.msg + '\n')
if helper.needUpdate:
activetasks, failedtasks = helper.getTasks()
taw.erase()
taw.setText(0, 0, "")
if activetasks:
taw.appendText("Active Tasks:\n")
for task in activetasks.itervalues():
taw.appendText(task["title"] + '\n')
if failedtasks:
taw.appendText("Failed Tasks:\n")
for task in failedtasks:
taw.appendText(task["title"] + '\n')
curses.doupdate()
except EnvironmentError as ioerror:
# ignore interrupted io
if ioerror.args[0] == 4:
pass
except KeyboardInterrupt:
if shutdown == 2:
mw.appendText("Third Keyboard Interrupt, exit.\n")
exitflag = True
if shutdown == 1:
mw.appendText("Second Keyboard Interrupt, stopping...\n")
_, error = server.runCommand(["stateStop"])
if error:
print("Unable to cleanly stop: %s" % error)
if shutdown == 0:
mw.appendText("Keyboard Interrupt, closing down...\n")
_, error = server.runCommand(["stateShutdown"])
if error:
print("Unable to cleanly shutdown: %s" % error)
shutdown = shutdown + 1
pass
def main(server, eventHandler):
if not os.isatty(sys.stdout.fileno()):
print("FATAL: Unable to run 'ncurses' UI without a TTY.")
return
ui = NCursesUI()
try:
curses.wrapper(ui.main, server, eventHandler)
except:
import traceback
traceback.print_exc()
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