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#! /usr/bin/env python3
def manipulate_log(logfile_name,category_names,printBeginEvent,printMessageLabel,verbosityLevel):
# open file and read it
logfile=open(logfile_name,'r')
writeOut = False
for line in logfile:
# real line a split content
line = line[:-1] # no \n
line_content_list = line.split(' ')
# select interesting fields
identifier = line_content_list[0]
if len(line_content_list) > 1 :
category = line_content_list[1]
# end of message record
if writeOut == True and identifier != '%MSG' :
print(line)
# begin of message record
if identifier.find('%MSG') != -1 :
if identifier == '%MSG' :
writeOut = False
else :
isCategory = False
if len(category_names) == 1 and category_names[0] == '':
isCategory = True
else:
for value in category_names :
if value+":" == category :
isCategory = True
if isCategory == True:
if verbosityLevel == '' :
writeOut = True
elif identifier == '%MSG-'+verbosityLevel :
writeOut = True
if printMessageLabel and writeOut :
print(line)
# begin event record
if printBeginEvent and identifier == 'Begin' and category == 'processing' :
print(line)
logfile.close()
#################################################################################################
if __name__ == '__main__':
import argparse
import os
# Here we define an option parser to handle commandline options..
parser = argparse.ArgumentParser(description='edmMLParser <options> <input file>')
parser.add_argument('logfile_name',
metavar='file',
help='input file name')
parser.add_argument('-c', '--category',
help='List of MessageLogger categories to be searched, separated by ","',
default='',
dest='category_name')
parser.add_argument('-b', '--print-begin-event',
help='Print the begin event record',
action='store_true',
dest='printBeginEvent')
parser.add_argument('-m', '--print-message-label',
help='Print the MessageLogger label for the selected message',
action='store_true',
dest='printMessageLabel')
allowedVerbosityLevels = ['!','i','w','e']
parser.add_argument('-v', '--select-verbosity-level',
help='Select a particular verbosity level for the chosen category, possible values are: '+''.join(allowedVerbosityLevels),
default='',
dest='verbosityLevel')
args = parser.parse_args()
# Now some fault control..If an error is found we raise an exception
if args.logfile_name=='':
raise Exception('Please select a file name and a MessageLogger category!')
if not os.path.exists(args.logfile_name):
raise Exception('File to be parsed not present!')
if args.verbosityLevel != '' and args.verbosityLevel not in allowedVerbosityLevels :
raise Exception('Selected verbosity level not supported')
category_names = args.category_name.split(',')
#launch the function!
manipulate_log(args.logfile_name,category_names,args.printBeginEvent,args.printMessageLabel,args.verbosityLevel)
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