annotate python/stripirssi.py @ 442:3982b7ad596b

python/stripirssi.py
author Jeff Hammel <jhammel@mozilla.com>
date Fri, 09 Aug 2013 15:23:59 -0700
parents f81fdc6926fd
children
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1 #!/usr/bin/env python
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2
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3 import optparse
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4 import os
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5 import sys
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7 """
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8 strip irssi comments and format
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9 """
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10
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11 # TODO : -> textshaper
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12
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13 ### generic functionality
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14
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15 string = (basestring,)
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16
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17 class splitlines(object):
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18 def __init__(self, function):
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19 self.function = function
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20 def __call__(self, lines, *args, **kwargs):
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21 if isinstance(lines, string):
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22 lines = lines.strip().splitlines()
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23 self.function(lines, *args, **kwargs)
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24
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25 @splitlines
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26 def strip(lines):
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27 return [line.strip() for line in lines]
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28
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29 @splitlines
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30 def strip_first_column(lines, separator=None):
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31 """
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32 removes leading column (defined by separator) from lines of text
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33 """
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34 # TODO: -> genericize
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35 # - and handle whitespace more generically
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36
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37 length = None # length of first column
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38 stripped = []
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39 for line in lines:
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40 if not line:
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41 continue # XXX desirable?
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42 try:
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43 prefix, rest = line.split(separator, 1)
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44 except ValueError:
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45 import pdb; pdb.set_trace()
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46 prefix, rest = None, None
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47 if length is None:
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48 length = len(prefix)
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49 else:
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50 if len(prefix) != length:
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51 if not line[:len(prefix)].isspace():
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52 raise AssertionError("Non whitespace found below pre (%s) in line %s" % (length, line))
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53 stripped.append(line[length:])
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54 return stripped
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55
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56 @splitlines
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57 def remove_lines(lines, startswith):
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58 return [line for line in lines
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59 if line.startswith(startswith)]
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60 # really, one could take most functions for str and map -> lines
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61
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62 @splitlines
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63 def remove_prefix_stamp(lines, stamp):
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64 """removes leading stamp: HH:MM"""
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65 return [line[len(stamp):] for line in lines]
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66
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67 @splitlines
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68 def join(lines):
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69 """DOCUMENT ME!"""
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70 last = None
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71 joined = []
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72 for line in lines:
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73 if line:
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74 if line[0].isspace():
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75 line = line.strip()
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76 if not line:
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77 if last:
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78 joined.append(last)
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79 continue
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80 if last:
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81 last = '%s %s' % (last, line.strip())
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82 else:
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83 joined.append(line.strip())
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84 else:
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85 if last:
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86 joined.append(last)
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87 last = line.rstrip()
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88 else:
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89 if last:
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90 joined.append(last)
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91 return joined
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92
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93 ### CLI
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96
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97 def main(args=sys.argv[1:]):
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98
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99 # parse command line
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100 usage = '%prog [options]'
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101 parser = optparse.OptionParser(usage=usage, description=__doc__)
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102 parser.add_option('-i', '--in-place', dest='in_place',
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103 help="rewrite files in place")
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104 # parser.add_option - strip timestamps only
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105 # parser.add_option - strip nicks
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106 options, args = parser.parse_args(args)
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107
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108 log = sys.stdin.read().strip()
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109
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110 # strip timestamps
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111 lines = strip_first_column(log)
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112
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113 import pdb; pdb.set_trace()
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114
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115
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116 print '\n'.join(lines)
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117
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118 if __name__ == '__main__':
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119 main()