Squashed 'yocto-poky/' content from commit ea562de
git-subtree-dir: yocto-poky
git-subtree-split: ea562de57590c966cd5a75fda8defecd397e6436
diff --git a/scripts/lib/wic/msger.py b/scripts/lib/wic/msger.py
new file mode 100644
index 0000000..b737554
--- /dev/null
+++ b/scripts/lib/wic/msger.py
@@ -0,0 +1,309 @@
+#!/usr/bin/env python -tt
+# vim: ai ts=4 sts=4 et sw=4
+#
+# Copyright (c) 2009, 2010, 2011 Intel, Inc.
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the Free
+# Software Foundation; version 2 of the License
+#
+# 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., 59
+# Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+import os
+import sys
+import re
+import time
+
+__ALL__ = ['set_mode',
+ 'get_loglevel',
+ 'set_loglevel',
+ 'set_logfile',
+ 'raw',
+ 'debug',
+ 'verbose',
+ 'info',
+ 'warning',
+ 'error',
+ 'ask',
+ 'pause',
+ ]
+
+# COLORs in ANSI
+INFO_COLOR = 32 # green
+WARN_COLOR = 33 # yellow
+ERR_COLOR = 31 # red
+ASK_COLOR = 34 # blue
+NO_COLOR = 0
+
+PREFIX_RE = re.compile('^<(.*?)>\s*(.*)', re.S)
+
+INTERACTIVE = True
+
+LOG_LEVEL = 1
+LOG_LEVELS = {
+ 'quiet': 0,
+ 'normal': 1,
+ 'verbose': 2,
+ 'debug': 3,
+ 'never': 4,
+}
+
+LOG_FILE_FP = None
+LOG_CONTENT = ''
+CATCHERR_BUFFILE_FD = -1
+CATCHERR_BUFFILE_PATH = None
+CATCHERR_SAVED_2 = -1
+
+def _general_print(head, color, msg=None, stream=None, level='normal'):
+ global LOG_CONTENT
+ if not stream:
+ stream = sys.stdout
+
+ if LOG_LEVELS[level] > LOG_LEVEL:
+ # skip
+ return
+
+ # encode raw 'unicode' str to utf8 encoded str
+ if msg and isinstance(msg, unicode):
+ msg = msg.encode('utf-8', 'ignore')
+
+ errormsg = ''
+ if CATCHERR_BUFFILE_FD > 0:
+ size = os.lseek(CATCHERR_BUFFILE_FD, 0, os.SEEK_END)
+ os.lseek(CATCHERR_BUFFILE_FD, 0, os.SEEK_SET)
+ errormsg = os.read(CATCHERR_BUFFILE_FD, size)
+ os.ftruncate(CATCHERR_BUFFILE_FD, 0)
+
+ # append error msg to LOG
+ if errormsg:
+ LOG_CONTENT += errormsg
+
+ # append normal msg to LOG
+ save_msg = msg.strip() if msg else None
+ if save_msg:
+ timestr = time.strftime("[%m/%d %H:%M:%S %Z] ", time.localtime())
+ LOG_CONTENT += timestr + save_msg + '\n'
+
+ if errormsg:
+ _color_print('', NO_COLOR, errormsg, stream, level)
+
+ _color_print(head, color, msg, stream, level)
+
+def _color_print(head, color, msg, stream, level):
+ colored = True
+ if color == NO_COLOR or \
+ not stream.isatty() or \
+ os.getenv('ANSI_COLORS_DISABLED') is not None:
+ colored = False
+
+ if head.startswith('\r'):
+ # need not \n at last
+ newline = False
+ else:
+ newline = True
+
+ if colored:
+ head = '\033[%dm%s:\033[0m ' %(color, head)
+ if not newline:
+ # ESC cmd to clear line
+ head = '\033[2K' + head
+ else:
+ if head:
+ head += ': '
+ if head.startswith('\r'):
+ head = head.lstrip()
+ newline = True
+
+ if msg is not None:
+ if isinstance(msg, unicode):
+ msg = msg.encode('utf8', 'ignore')
+
+ stream.write('%s%s' % (head, msg))
+ if newline:
+ stream.write('\n')
+
+ stream.flush()
+
+def _color_perror(head, color, msg, level='normal'):
+ if CATCHERR_BUFFILE_FD > 0:
+ _general_print(head, color, msg, sys.stdout, level)
+ else:
+ _general_print(head, color, msg, sys.stderr, level)
+
+def _split_msg(head, msg):
+ if isinstance(msg, list):
+ msg = '\n'.join(map(str, msg))
+
+ if msg.startswith('\n'):
+ # means print \n at first
+ msg = msg.lstrip()
+ head = '\n' + head
+
+ elif msg.startswith('\r'):
+ # means print \r at first
+ msg = msg.lstrip()
+ head = '\r' + head
+
+ match = PREFIX_RE.match(msg)
+ if match:
+ head += ' <%s>' % match.group(1)
+ msg = match.group(2)
+
+ return head, msg
+
+def get_loglevel():
+ return (k for k, v in LOG_LEVELS.items() if v == LOG_LEVEL).next()
+
+def set_loglevel(level):
+ global LOG_LEVEL
+ if level not in LOG_LEVELS:
+ # no effect
+ return
+
+ LOG_LEVEL = LOG_LEVELS[level]
+
+def set_interactive(mode=True):
+ global INTERACTIVE
+ if mode:
+ INTERACTIVE = True
+ else:
+ INTERACTIVE = False
+
+def log(msg=''):
+ # log msg to LOG_CONTENT then save to logfile
+ global LOG_CONTENT
+ if msg:
+ LOG_CONTENT += msg
+
+def raw(msg=''):
+ _general_print('', NO_COLOR, msg)
+
+def info(msg):
+ head, msg = _split_msg('Info', msg)
+ _general_print(head, INFO_COLOR, msg)
+
+def verbose(msg):
+ head, msg = _split_msg('Verbose', msg)
+ _general_print(head, INFO_COLOR, msg, level='verbose')
+
+def warning(msg):
+ head, msg = _split_msg('Warning', msg)
+ _color_perror(head, WARN_COLOR, msg)
+
+def debug(msg):
+ head, msg = _split_msg('Debug', msg)
+ _color_perror(head, ERR_COLOR, msg, level='debug')
+
+def error(msg):
+ head, msg = _split_msg('Error', msg)
+ _color_perror(head, ERR_COLOR, msg)
+ sys.exit(1)
+
+def ask(msg, default=True):
+ _general_print('\rQ', ASK_COLOR, '')
+ try:
+ if default:
+ msg += '(Y/n) '
+ else:
+ msg += '(y/N) '
+ if INTERACTIVE:
+ while True:
+ repl = raw_input(msg)
+ if repl.lower() == 'y':
+ return True
+ elif repl.lower() == 'n':
+ return False
+ elif not repl.strip():
+ # <Enter>
+ return default
+
+ # else loop
+ else:
+ if default:
+ msg += ' Y'
+ else:
+ msg += ' N'
+ _general_print('', NO_COLOR, msg)
+
+ return default
+ except KeyboardInterrupt:
+ sys.stdout.write('\n')
+ sys.exit(2)
+
+def choice(msg, choices, default=0):
+ if default >= len(choices):
+ return None
+ _general_print('\rQ', ASK_COLOR, '')
+ try:
+ msg += " [%s] " % '/'.join(choices)
+ if INTERACTIVE:
+ while True:
+ repl = raw_input(msg)
+ if repl in choices:
+ return repl
+ elif not repl.strip():
+ return choices[default]
+ else:
+ msg += choices[default]
+ _general_print('', NO_COLOR, msg)
+
+ return choices[default]
+ except KeyboardInterrupt:
+ sys.stdout.write('\n')
+ sys.exit(2)
+
+def pause(msg=None):
+ if INTERACTIVE:
+ _general_print('\rQ', ASK_COLOR, '')
+ if msg is None:
+ msg = 'press <ENTER> to continue ...'
+ raw_input(msg)
+
+def set_logfile(fpath):
+ global LOG_FILE_FP
+
+ def _savelogf():
+ if LOG_FILE_FP:
+ with open(LOG_FILE_FP, 'w') as log:
+ log.write(LOG_CONTENT)
+
+ if LOG_FILE_FP is not None:
+ warning('duplicate log file configuration')
+
+ LOG_FILE_FP = fpath
+
+ import atexit
+ atexit.register(_savelogf)
+
+def enable_logstderr(fpath):
+ global CATCHERR_BUFFILE_FD
+ global CATCHERR_BUFFILE_PATH
+ global CATCHERR_SAVED_2
+
+ if os.path.exists(fpath):
+ os.remove(fpath)
+ CATCHERR_BUFFILE_PATH = fpath
+ CATCHERR_BUFFILE_FD = os.open(CATCHERR_BUFFILE_PATH, os.O_RDWR|os.O_CREAT)
+ CATCHERR_SAVED_2 = os.dup(2)
+ os.dup2(CATCHERR_BUFFILE_FD, 2)
+
+def disable_logstderr():
+ global CATCHERR_BUFFILE_FD
+ global CATCHERR_BUFFILE_PATH
+ global CATCHERR_SAVED_2
+
+ raw(msg=None) # flush message buffer and print it.
+ os.dup2(CATCHERR_SAVED_2, 2)
+ os.close(CATCHERR_SAVED_2)
+ os.close(CATCHERR_BUFFILE_FD)
+ os.unlink(CATCHERR_BUFFILE_PATH)
+ CATCHERR_BUFFILE_FD = -1
+ CATCHERR_BUFFILE_PATH = None
+ CATCHERR_SAVED_2 = -1