Signed-off-by: Gao, Liming <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15188 6f19259b-4bc3-4df7-8a09-765794883524
		
			
				
	
	
		
			326 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			326 lines
		
	
	
		
			8.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| ## @file
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| # This file implements the log mechanism for Python tools.
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| #
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| # Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>
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| #
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| # This program and the accompanying materials are licensed and made available 
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| # under the terms and conditions of the BSD License which accompanies this 
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| # distribution. The full text of the license may be found at 
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| # http://opensource.org/licenses/bsd-license.php
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| #
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| # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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| #
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| 
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| '''
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| Logger
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| '''
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| 
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| ## Import modules
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| from sys import argv
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| from sys import stdout
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| from sys import stderr
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| import os.path
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| from os import remove
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| from logging import getLogger
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| from logging import Formatter
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| from logging import StreamHandler
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| from logging import FileHandler
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| from traceback import extract_stack
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| 
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| from Logger.ToolError import FatalError
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| from Logger.ToolError import WARNING_AS_ERROR
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| from Logger.ToolError import gERROR_MESSAGE
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| from Logger.ToolError import UNKNOWN_ERROR
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| from Library import GlobalData
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| 
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| #
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| # Log level constants
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| #
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| DEBUG_0 = 1
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| DEBUG_1 = 2
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| DEBUG_2 = 3
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| DEBUG_3 = 4
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| DEBUG_4 = 5
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| DEBUG_5 = 6
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| DEBUG_6 = 7
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| DEBUG_7 = 8
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| DEBUG_8 = 9
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| DEBUG_9 = 10
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| VERBOSE = 15
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| INFO    = 20
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| WARN    = 30
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| QUIET   = 40
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| QUIET_1 = 41
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| ERROR   = 50
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| SILENT  = 60
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| 
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| IS_RAISE_ERROR = True
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| SUPRESS_ERROR = False
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| 
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| #
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| # Tool name
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| #
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| _TOOL_NAME = os.path.basename(argv[0])
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| #
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| # For validation purpose
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| #
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| _LOG_LEVELS = [DEBUG_0, DEBUG_1, DEBUG_2, DEBUG_3, DEBUG_4, DEBUG_5, DEBUG_6, \
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|               DEBUG_7, DEBUG_8, DEBUG_9, VERBOSE, WARN, INFO, ERROR, QUIET, \
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|               QUIET_1, SILENT]
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| #
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| # For DEBUG level (All DEBUG_0~9 are applicable)
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| #
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| _DEBUG_LOGGER = getLogger("tool_debug")
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| _DEBUG_FORMATTER = Formatter("[%(asctime)s.%(msecs)d]: %(message)s", \
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|                             datefmt="%H:%M:%S")
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| #
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| # For VERBOSE, INFO, WARN level
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| #
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| _INFO_LOGGER = getLogger("tool_info")
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| _INFO_FORMATTER = Formatter("%(message)s")
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| #
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| # For ERROR level
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| #
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| _ERROR_LOGGER = getLogger("tool_error")
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| _ERROR_FORMATTER = Formatter("%(message)s")
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| 
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| #
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| # String templates for ERROR/WARN/DEBUG log message
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| #
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| _ERROR_MESSAGE_TEMPLATE = \
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| ('\n\n%(tool)s...\n%(file)s(%(line)s): error %(errorcode)04X: %(msg)s\n\t%(extra)s')
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| 
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| __ERROR_MESSAGE_TEMPLATE_WITHOUT_FILE = \
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| '\n\n%(tool)s...\n : error %(errorcode)04X: %(msg)s\n\t%(extra)s'
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| 
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| _WARNING_MESSAGE_TEMPLATE = '%(tool)s...\n%(file)s(%(line)s): warning: %(msg)s'
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| _WARNING_MESSAGE_TEMPLATE_WITHOUT_FILE = '%(tool)s: : warning: %(msg)s'
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| _DEBUG_MESSAGE_TEMPLATE = '%(file)s(%(line)s): debug: \n    %(msg)s'
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| 
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| 
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| #
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| # Log INFO message
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| #
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| #Info    = _INFO_LOGGER.info
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| 
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| def Info(msg, *args, **kwargs):
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|     _INFO_LOGGER.info(msg, *args, **kwargs)
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| 
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| #
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| # Log information which should be always put out
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| #
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| def Quiet(msg, *args, **kwargs):
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|     _ERROR_LOGGER.error(msg, *args, **kwargs)
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| 
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| ## Log debug message
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| #
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| #   @param  Level       DEBUG level (DEBUG0~9)
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| #   @param  Message     Debug information
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| #   @param  ExtraData   More information associated with "Message"
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| #
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| def Debug(Level, Message, ExtraData=None):
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|     if _DEBUG_LOGGER.level > Level:
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|         return
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|     if Level > DEBUG_9:
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|         return
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|     #
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|     # Find out the caller method information
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|     #
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|     CallerStack = extract_stack()[-2]
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|     TemplateDict = {
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|         "file"      : CallerStack[0],
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|         "line"      : CallerStack[1],
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|         "msg"       : Message,
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|     }
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| 
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|     if ExtraData != None:
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|         LogText = _DEBUG_MESSAGE_TEMPLATE % TemplateDict + "\n    %s" % ExtraData
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|     else:
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|         LogText = _DEBUG_MESSAGE_TEMPLATE % TemplateDict
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| 
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|     _DEBUG_LOGGER.log(Level, LogText)
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| 
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| ## Log verbose message
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| #
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| #   @param  Message     Verbose information
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| #
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| def Verbose(Message):
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|     return _INFO_LOGGER.log(VERBOSE, Message)
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| 
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| ## Log warning message
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| #
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| #   Warning messages are those which might be wrong but won't fail the tool.
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| #
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| #   @param  ToolName    The name of the tool. If not given, the name of caller
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| #                       method will be used.
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| #   @param  Message     Warning information
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| #   @param  File        The name of file which caused the warning.
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| #   @param  Line        The line number in the "File" which caused the warning.
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| #   @param  ExtraData   More information associated with "Message"
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| #
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| def Warn(ToolName, Message, File=None, Line=None, ExtraData=None):
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|     if _INFO_LOGGER.level > WARN:
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|         return
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|     #
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|     # if no tool name given, use caller's source file name as tool name
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|     #
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|     if ToolName == None or ToolName == "":
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|         ToolName = os.path.basename(extract_stack()[-2][0])
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| 
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|     if Line == None:
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|         Line = "..."
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|     else:
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|         Line = "%d" % Line
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| 
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|     TemplateDict = {
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|         "tool"      : ToolName,
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|         "file"      : File,
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|         "line"      : Line,
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|         "msg"       : Message,
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|     }
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| 
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|     if File != None:
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|         LogText = _WARNING_MESSAGE_TEMPLATE % TemplateDict
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|     else:
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|         LogText = _WARNING_MESSAGE_TEMPLATE_WITHOUT_FILE % TemplateDict
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| 
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|     if ExtraData != None:
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|         LogText += "\n    %s" % ExtraData
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| 
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|     _INFO_LOGGER.log(WARN, LogText)
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|     #
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|     # Raise an execption if indicated
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|     #
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|     if GlobalData.gWARNING_AS_ERROR == True:
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|         raise FatalError(WARNING_AS_ERROR)
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| 
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| ## Log ERROR message
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| #
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| # Once an error messages is logged, the tool's execution will be broken by 
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| # raising an execption. If you don't want to break the execution later, you 
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| # can give "RaiseError" with "False" value.
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| #
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| #   @param  ToolName    The name of the tool. If not given, the name of caller
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| #                       method will be used.
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| #   @param  ErrorCode   The error code
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| #   @param  Message     Warning information
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| #   @param  File        The name of file which caused the error.
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| #   @param  Line        The line number in the "File" which caused the warning.
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| #   @param  ExtraData   More information associated with "Message"
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| #   @param  RaiseError  Raise an exception to break the tool's executuion if
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| #                       it's True. This is the default behavior.
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| #
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| def Error(ToolName, ErrorCode, Message=None, File=None, Line=None, \
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|           ExtraData=None, RaiseError=IS_RAISE_ERROR):
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|     if ToolName:
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|         pass
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|     if Line == None:
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|         Line = "..."
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|     else:
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|         Line = "%d" % Line
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| 
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|     if Message == None:
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|         if ErrorCode in gERROR_MESSAGE:
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|             Message = gERROR_MESSAGE[ErrorCode]
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|         else:
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|             Message = gERROR_MESSAGE[UNKNOWN_ERROR]
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| 
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|     if ExtraData == None:
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|         ExtraData = ""
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| 
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|     TemplateDict = {
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|         "tool"      : _TOOL_NAME,
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|         "file"      : File,
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|         "line"      : Line,
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|         "errorcode" : ErrorCode,
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|         "msg"       : Message,
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|         "extra"     : ExtraData
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|     }
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| 
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|     if File != None:
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|         LogText =  _ERROR_MESSAGE_TEMPLATE % TemplateDict
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|     else:
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|         LogText = __ERROR_MESSAGE_TEMPLATE_WITHOUT_FILE % TemplateDict
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| 
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|     if not SUPRESS_ERROR:
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|         _ERROR_LOGGER.log(ERROR, LogText)
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|     if RaiseError:
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|         raise FatalError(ErrorCode)
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| 
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|     
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| ## Initialize log system
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| #
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| def Initialize():
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|     #
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|     # Since we use different format to log different levels of message into 
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|     # different place (stdout or stderr), we have to use different "Logger" 
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|     # objects to do this.
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|     #
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|     # For DEBUG level (All DEBUG_0~9 are applicable)
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|     _DEBUG_LOGGER.setLevel(INFO)
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|     _DebugChannel = StreamHandler(stdout)
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|     _DebugChannel.setFormatter(_DEBUG_FORMATTER)
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|     _DEBUG_LOGGER.addHandler(_DebugChannel)
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|     #
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|     # For VERBOSE, INFO, WARN level
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|     #
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|     _INFO_LOGGER.setLevel(INFO)
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|     _InfoChannel = StreamHandler(stdout)
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|     _InfoChannel.setFormatter(_INFO_FORMATTER)
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|     _INFO_LOGGER.addHandler(_InfoChannel)
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|     #
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|     # For ERROR level
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|     #
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|     _ERROR_LOGGER.setLevel(INFO)
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|     _ErrorCh = StreamHandler(stderr)
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|     _ErrorCh.setFormatter(_ERROR_FORMATTER)
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|     _ERROR_LOGGER.addHandler(_ErrorCh)
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| 
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| 
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| ## Set log level
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| #
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| #   @param  Level   One of log level in _LogLevel
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| #
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| def SetLevel(Level):
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|     if Level not in _LOG_LEVELS:
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|         Info("Not supported log level (%d). Use default level instead." % \
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|              Level)
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|         Level = INFO
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|     _DEBUG_LOGGER.setLevel(Level)
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|     _INFO_LOGGER.setLevel(Level)
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|     _ERROR_LOGGER.setLevel(Level)
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| 
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| ## Get current log level
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| #
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| def GetLevel():
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|     return _INFO_LOGGER.getEffectiveLevel()
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| 
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| ## Raise up warning as error
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| #
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| def SetWarningAsError():
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|     GlobalData.gWARNING_AS_ERROR = True
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| 
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| ## Specify a file to store the log message as well as put on console
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| #
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| #   @param  LogFile     The file path used to store the log message
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| #
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| def SetLogFile(LogFile):
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|     if os.path.exists(LogFile):
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|         remove(LogFile)
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| 
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|     _Ch = FileHandler(LogFile)
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|     _Ch.setFormatter(_DEBUG_FORMATTER)
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|     _DEBUG_LOGGER.addHandler(_Ch)
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| 
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|     _Ch = FileHandler(LogFile)
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|     _Ch.setFormatter(_INFO_FORMATTER)
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|     _INFO_LOGGER.addHandler(_Ch)
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| 
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|     _Ch = FileHandler(LogFile)
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|     _Ch.setFormatter(_ERROR_FORMATTER)
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|     _ERROR_LOGGER.addHandler(_Ch)
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| 
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| 
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| 
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