Package madgraph :: Package interface :: Module coloring_logging
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Source Code for Module madgraph.interface.coloring_logging

 1  import logging 
 2  # method to add color to a logging.info add a second argument: 
 3  # '$MG:color:BLACK' 
 4   
 5   
 6  BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8) 
 7   
 8  COLORS = { 
 9      'WARNING'  : BLUE, 
10      'INFO'     : BLACK, 
11      'DEBUG'    : GREEN, 
12      'CRITICAL' : RED, 
13      'ERROR'    : RED, 
14      'BLACK'    : BLACK, 
15      'RED'      : RED, 
16      'GREEN'    : GREEN, 
17      'YELLOW'   : YELLOW, 
18      'BLUE'     : BLUE, 
19      'MAGENTA'  : MAGENTA, 
20      'CYAN'     : CYAN, 
21      'WHITE'    : WHITE, 
22  } 
23   
24  for i in range(0,11): 
25      COLORS['Level %i'%i] = COLORS['DEBUG'] 
26   
27  RESET_SEQ = "\033[0m" 
28  COLOR_SEQ = "\033[1;%dm" 
29  BOLD_SEQ  = "\033[1m" 
30   
31 -class ColorFormatter(logging.Formatter):
32
33 - def __init__(self, *args, **kwargs):
34 # can't do super(...) here because Formatter is an old school class 35 logging.Formatter.__init__(self, *args, **kwargs)
36
37 - def format(self, record):
38 levelname = record.levelname 39 try: 40 color_choice = COLORS[levelname] 41 except KeyError: 42 color_choice = COLORS['INFO'] 43 new_args=[] 44 # A not-so-nice but working way of passing arguments to this formatter 45 # from MadGraph. 46 color_specified = False 47 for arg in record.args: 48 if isinstance(arg,str) and arg.startswith('$MG'): 49 elems=arg.split(':') 50 if len(elems)>2: 51 if elems[1]=='color': 52 color_specified = True 53 color_choice = COLORS[elems[2]] 54 if color_choice == 0: 55 color_choice = 30 56 else: 57 new_args.append(arg) 58 record.args = tuple(new_args) 59 color = COLOR_SEQ % (30 + color_choice) 60 message = logging.Formatter.format(self, record) 61 if not message.endswith('$RESET'): 62 message += '$RESET' 63 for k,v in COLORS.items(): 64 color_flag = COLOR_SEQ % (v+30) 65 message = message.replace("$" + k, color_flag)\ 66 .replace("$BG" + k, COLOR_SEQ % (v+40))\ 67 .replace("$BG-" + k, COLOR_SEQ % (v+40)) 68 69 if levelname == 'INFO': 70 message = message.replace("$RESET", '' if not color_specified else RESET_SEQ)\ 71 .replace("$BOLD", '')\ 72 .replace("$COLOR", color if color_specified else '') 73 return message 74 else: 75 message = message.replace("$RESET", RESET_SEQ)\ 76 .replace("$BOLD", BOLD_SEQ)\ 77 .replace("$COLOR", color) 78 79 return message
80 81 logging.ColorFormatter = ColorFormatter 82