rev |
line source |
bos@67
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1 #!/usr/bin/env python
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bos@4
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2 #
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bos@4
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3 # This program takes something that resembles a shell script and runs
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bos@4
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4 # it, spitting input (commands from the script) and output into text
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bos@4
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5 # files, for use in examples.
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bos@3
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6
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bos@3
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7 import cStringIO
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bos@73
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8 import errno
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bos@78
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9 import getopt
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bos@580
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10 import glob
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bos@3
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11 import os
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bos@3
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12 import pty
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bos@3
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13 import re
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bos@79
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14 import select
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bos@4
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15 import shutil
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bos@6
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16 import signal
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bos@36
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17 import stat
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bos@3
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18 import sys
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bos@4
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19 import tempfile
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bos@4
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20 import time
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bos@3
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21
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bos@564
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22 xml_subs = {
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bos@564
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23 '<': '<',
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bos@564
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24 '>': '>',
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bos@564
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25 '&': '&',
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bos@77
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26 }
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bos@77
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27
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bos@77
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28 def gensubs(s):
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bos@77
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29 start = 0
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bos@77
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30 for i, c in enumerate(s):
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bos@564
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31 sub = xml_subs.get(c)
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bos@77
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32 if sub:
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bos@77
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33 yield s[start:i]
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bos@77
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34 start = i + 1
|
bos@77
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35 yield sub
|
bos@77
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36 yield s[start:]
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bos@77
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37
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bos@564
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38 def xml_escape(s):
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bos@77
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39 return ''.join(gensubs(s))
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bos@4
|
40
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bos@137
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41 def maybe_unlink(name):
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bos@137
|
42 try:
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bos@137
|
43 os.unlink(name)
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bos@137
|
44 return True
|
bos@137
|
45 except OSError, err:
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bos@137
|
46 if err.errno != errno.ENOENT:
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bos@137
|
47 raise
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bos@137
|
48 return False
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bos@137
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49
|
bos@172
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50 def find_path_to(program):
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bos@172
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51 for p in os.environ.get('PATH', os.defpath).split(os.pathsep):
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bos@172
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52 name = os.path.join(p, program)
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bos@172
|
53 if os.access(name, os.X_OK):
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bos@172
|
54 return p
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bos@172
|
55 return None
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bos@172
|
56
|
bos@564
|
57 def result_name(name):
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bos@580
|
58 return os.path.normpath(os.path.join('results', name.replace(os.sep, '-')))
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bos@580
|
59
|
bos@580
|
60 def wopen(name):
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bos@580
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61 path = os.path.dirname(name)
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bos@580
|
62 if path:
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bos@580
|
63 try:
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bos@580
|
64 os.makedirs(path)
|
bos@580
|
65 except OSError, err:
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bos@580
|
66 if err.errno != errno.EEXIST:
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bos@580
|
67 raise
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bos@580
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68 return open(name, 'w')
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bos@564
|
69
|
bos@3
|
70 class example:
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bos@579
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71 entities = dict.fromkeys(l.rstrip() for l in open('auto-snippets.xml'))
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bos@579
|
72
|
bos@579
|
73 def __init__(self, name, verbose, keep_change):
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bos@580
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74 self.name = os.path.normpath(name)
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bos@579
|
75 self.verbose = verbose
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bos@579
|
76 self.keep_change = keep_change
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bos@580
|
77
|
bos@580
|
78 def status(self, s):
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bos@580
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79 sys.stdout.write(s)
|
bos@580
|
80 if not s.endswith('\n'):
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bos@580
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81 sys.stdout.flush()
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bos@579
|
82
|
bos@579
|
83 def rename_output(self, base, ignore=[]):
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bos@579
|
84 mangle_re = re.compile('(?:' + '|'.join(ignore) + ')')
|
bos@579
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85 def mangle(s):
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bos@579
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86 return mangle_re.sub('', s)
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bos@579
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87 def matchfp(fp1, fp2):
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bos@579
|
88 while True:
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bos@579
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89 s1 = mangle(fp1.readline())
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bos@579
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90 s2 = mangle(fp2.readline())
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bos@579
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91 if cmp(s1, s2):
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bos@579
|
92 break
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bos@579
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93 if not s1:
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bos@579
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94 return True
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bos@579
|
95 return False
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bos@579
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96
|
bos@579
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97 oldname = result_name(base + '.out')
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bos@579
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98 tmpname = result_name(base + '.tmp')
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bos@579
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99 errname = result_name(base + '.err')
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bos@579
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100 errfp = open(errname, 'w+')
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bos@579
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101 for line in open(tmpname):
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bos@579
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102 errfp.write(mangle_re.sub('', line))
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bos@579
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103 os.rename(tmpname, result_name(base + '.lxo'))
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bos@579
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104 errfp.seek(0)
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bos@579
|
105 try:
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bos@579
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106 oldfp = open(oldname)
|
bos@579
|
107 except IOError, err:
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bos@579
|
108 if err.errno != errno.ENOENT:
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bos@579
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109 raise
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bos@579
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110 os.rename(errname, oldname)
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bos@579
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111 return False
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bos@579
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112 if matchfp(oldfp, errfp):
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bos@579
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113 os.unlink(errname)
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bos@579
|
114 return False
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bos@579
|
115 else:
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bos@580
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116 print >> sys.stderr, '\nOutput of %s has changed!' % base
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bos@579
|
117 if self.keep_change:
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bos@579
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118 os.rename(errname, oldname)
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bos@579
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119 return False
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bos@579
|
120 else:
|
bos@579
|
121 os.system('diff -u %s %s 1>&2' % (oldname, errname))
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bos@579
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122 return True
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bos@579
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123
|
bos@579
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124 class static_example(example):
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bos@579
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125 def run(self):
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bos@580
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126 self.status('running %s\n' % self.name)
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bos@579
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127 s = open(self.name).read().rstrip()
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bos@579
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128 s = s.replace('&', '&').replace('<', '<').replace('>', '>')
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bos@579
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129 ofp = wopen(result_name(self.name + '.tmp'))
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bos@610
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130 ofp.write('<!-- BEGIN %s -->\n' % self.name)
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bos@579
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131 ofp.write('<programlisting>')
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bos@579
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132 ofp.write(s)
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bos@579
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133 ofp.write('</programlisting>\n')
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bos@610
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134 ofp.write('<!-- END %s -->\n' % self.name)
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bos@579
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135 ofp.close()
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bos@579
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136 self.rename_output(self.name)
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bos@579
|
137 norm = self.name.replace(os.sep, '-')
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bos@579
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138 example.entities[
|
bos@590
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139 '<!ENTITY %s SYSTEM "results/%s.lxo">' % (norm, norm)] = 1
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bos@579
|
140
|
bos@579
|
141
|
bos@579
|
142 class shell_example(example):
|
bos@70
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143 shell = '/usr/bin/env bash'
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bos@103
|
144 ps1 = '__run_example_ps1__ '
|
bos@103
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145 ps2 = '__run_example_ps2__ '
|
bos@168
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146 pi_re = re.compile(r'#\$\s*(name|ignore):\s*(.*)$')
|
bos@4
|
147
|
bos@192
|
148 timeout = 10
|
bos@79
|
149
|
bos@545
|
150 def __init__(self, name, verbose, keep_change):
|
bos@579
|
151 example.__init__(self, name, verbose, keep_change)
|
bos@79
|
152 self.poll = select.poll()
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bos@3
|
153
|
bos@3
|
154 def parse(self):
|
bos@4
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155 '''yield each hunk of input from the file.'''
|
bos@3
|
156 fp = open(self.name)
|
bos@3
|
157 cfp = cStringIO.StringIO()
|
bos@3
|
158 for line in fp:
|
bos@3
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159 cfp.write(line)
|
bos@3
|
160 if not line.rstrip().endswith('\\'):
|
bos@3
|
161 yield cfp.getvalue()
|
bos@3
|
162 cfp.seek(0)
|
bos@3
|
163 cfp.truncate()
|
bos@3
|
164
|
bos@6
|
165 def send(self, s):
|
bos@78
|
166 if self.verbose:
|
bos@78
|
167 print >> sys.stderr, '>', self.debugrepr(s)
|
bos@73
|
168 while s:
|
bos@73
|
169 count = os.write(self.cfd, s)
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bos@73
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170 s = s[count:]
|
bos@6
|
171
|
bos@78
|
172 def debugrepr(self, s):
|
bos@78
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173 rs = repr(s)
|
bos@78
|
174 limit = 60
|
bos@78
|
175 if len(rs) > limit:
|
bos@78
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176 return ('%s%s ... [%d bytes]' % (rs[:limit], rs[0], len(s)))
|
bos@78
|
177 else:
|
bos@78
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178 return rs
|
bos@78
|
179
|
bos@79
|
180 timeout = 5
|
bos@79
|
181
|
bos@173
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182 def read(self, hint):
|
bos@79
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183 events = self.poll.poll(self.timeout * 1000)
|
bos@79
|
184 if not events:
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bos@173
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185 print >> sys.stderr, ('[%stimed out after %d seconds]' %
|
bos@173
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186 (hint, self.timeout))
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bos@79
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187 os.kill(self.pid, signal.SIGHUP)
|
bos@79
|
188 return ''
|
bos@79
|
189 return os.read(self.cfd, 1024)
|
bos@79
|
190
|
bos@173
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191 def receive(self, hint):
|
bos@6
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192 out = cStringIO.StringIO()
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bos@4
|
193 while True:
|
bos@73
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194 try:
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bos@78
|
195 if self.verbose:
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bos@78
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196 sys.stderr.write('< ')
|
bos@173
|
197 s = self.read(hint)
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bos@73
|
198 except OSError, err:
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bos@73
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199 if err.errno == errno.EIO:
|
bos@103
|
200 return '', ''
|
bos@73
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201 raise
|
bos@78
|
202 if self.verbose:
|
bos@78
|
203 print >> sys.stderr, self.debugrepr(s)
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bos@6
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204 out.write(s)
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bos@73
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205 s = out.getvalue()
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bos@103
|
206 if s.endswith(self.ps1):
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bos@103
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207 return self.ps1, s.replace('\r\n', '\n')[:-len(self.ps1)]
|
bos@103
|
208 if s.endswith(self.ps2):
|
bos@103
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209 return self.ps2, s.replace('\r\n', '\n')[:-len(self.ps2)]
|
bos@4
|
210
|
bos@173
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211 def sendreceive(self, s, hint):
|
bos@6
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212 self.send(s)
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bos@173
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213 ps, r = self.receive(hint)
|
bos@6
|
214 if r.startswith(s):
|
bos@6
|
215 r = r[len(s):]
|
bos@103
|
216 return ps, r
|
bos@6
|
217
|
bos@3
|
218 def run(self):
|
bos@3
|
219 ofp = None
|
bos@4
|
220 basename = os.path.basename(self.name)
|
bos@4
|
221 self.status('running %s ' % basename)
|
bos@4
|
222 tmpdir = tempfile.mkdtemp(prefix=basename)
|
bos@78
|
223
|
bos@136
|
224 # remove the marker file that we tell make to use to see if
|
bos@136
|
225 # this run succeeded
|
bos@137
|
226 maybe_unlink(self.name + '.run')
|
bos@136
|
227
|
bos@78
|
228 rcfile = os.path.join(tmpdir, '.hgrc')
|
bos@579
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229 rcfp = wopen(rcfile)
|
bos@78
|
230 print >> rcfp, '[ui]'
|
bos@78
|
231 print >> rcfp, "username = Bryan O'Sullivan <bos@serpentine.com>"
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bos@78
|
232
|
bos@6
|
233 rcfile = os.path.join(tmpdir, '.bashrc')
|
bos@579
|
234 rcfp = wopen(rcfile)
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bos@103
|
235 print >> rcfp, 'PS1="%s"' % self.ps1
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bos@103
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236 print >> rcfp, 'PS2="%s"' % self.ps2
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bos@6
|
237 print >> rcfp, 'unset HISTFILE'
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bos@172
|
238 path = ['/usr/bin', '/bin']
|
bos@172
|
239 hg = find_path_to('hg')
|
bos@172
|
240 if hg and hg not in path:
|
bos@172
|
241 path.append(hg)
|
bos@172
|
242 def re_export(envar):
|
bos@172
|
243 v = os.getenv(envar)
|
bos@172
|
244 if v is not None:
|
bos@172
|
245 print >> rcfp, 'export ' + envar + '=' + v
|
bos@172
|
246 print >> rcfp, 'export PATH=' + ':'.join(path)
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bos@172
|
247 re_export('PYTHONPATH')
|
bos@19
|
248 print >> rcfp, 'export EXAMPLE_DIR="%s"' % os.getcwd()
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bos@124
|
249 print >> rcfp, 'export HGMERGE=merge'
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bos@6
|
250 print >> rcfp, 'export LANG=C'
|
bos@6
|
251 print >> rcfp, 'export LC_ALL=C'
|
bos@6
|
252 print >> rcfp, 'export TZ=GMT'
|
bos@6
|
253 print >> rcfp, 'export HGRC="%s/.hgrc"' % tmpdir
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bos@6
|
254 print >> rcfp, 'export HGRCPATH=$HGRC'
|
bos@6
|
255 print >> rcfp, 'cd %s' % tmpdir
|
bos@6
|
256 rcfp.close()
|
bos@68
|
257 sys.stdout.flush()
|
bos@68
|
258 sys.stderr.flush()
|
bos@79
|
259 self.pid, self.cfd = pty.fork()
|
bos@79
|
260 if self.pid == 0:
|
bos@172
|
261 cmdline = ['/usr/bin/env', '-i', 'bash', '--noediting',
|
bos@172
|
262 '--noprofile', '--norc']
|
bos@68
|
263 try:
|
bos@68
|
264 os.execv(cmdline[0], cmdline)
|
bos@68
|
265 except OSError, err:
|
bos@68
|
266 print >> sys.stderr, '%s: %s' % (cmdline[0], err.strerror)
|
bos@68
|
267 sys.stderr.flush()
|
bos@68
|
268 os._exit(0)
|
bos@79
|
269 self.poll.register(self.cfd, select.POLLIN | select.POLLERR |
|
bos@79
|
270 select.POLLHUP)
|
bos@103
|
271
|
bos@103
|
272 prompts = {
|
bos@103
|
273 '': '',
|
bos@103
|
274 self.ps1: '$',
|
bos@103
|
275 self.ps2: '>',
|
bos@103
|
276 }
|
bos@103
|
277
|
bos@137
|
278 ignore = [
|
bos@137
|
279 r'\d+:[0-9a-f]{12}', # changeset number:hash
|
bos@141
|
280 r'[0-9a-f]{40}', # long changeset hash
|
bos@141
|
281 r'[0-9a-f]{12}', # short changeset hash
|
bos@137
|
282 r'^(?:---|\+\+\+) .*', # diff header with dates
|
bos@137
|
283 r'^date:.*', # date
|
bos@141
|
284 #r'^diff -r.*', # "diff -r" is followed by hash
|
bos@138
|
285 r'^# Date \d+ \d+', # hg patch header
|
bos@137
|
286 ]
|
bos@137
|
287
|
bos@138
|
288 err = False
|
bos@173
|
289 read_hint = ''
|
bos@138
|
290
|
bos@4
|
291 try:
|
bos@71
|
292 try:
|
bos@73
|
293 # eat first prompt string from shell
|
bos@173
|
294 self.read(read_hint)
|
bos@71
|
295 # setup env and prompt
|
bos@173
|
296 ps, output = self.sendreceive('source %s\n' % rcfile,
|
bos@173
|
297 read_hint)
|
bos@71
|
298 for hunk in self.parse():
|
bos@71
|
299 # is this line a processing instruction?
|
bos@71
|
300 m = self.pi_re.match(hunk)
|
bos@71
|
301 if m:
|
bos@71
|
302 pi, rest = m.groups()
|
bos@71
|
303 if pi == 'name':
|
bos@71
|
304 self.status('.')
|
bos@71
|
305 out = rest
|
bos@155
|
306 if out in ('err', 'lxo', 'out', 'run', 'tmp'):
|
bos@155
|
307 print >> sys.stderr, ('%s: illegal section '
|
bos@155
|
308 'name %r' %
|
bos@155
|
309 (self.name, out))
|
bos@155
|
310 return 1
|
bos@71
|
311 assert os.sep not in out
|
bos@137
|
312 if ofp is not None:
|
bos@564
|
313 ofp.write('</screen>\n')
|
bos@610
|
314 ofp.write('<!-- END %s -->\n' % ofp_basename)
|
bos@137
|
315 ofp.close()
|
bos@160
|
316 err |= self.rename_output(ofp_basename, ignore)
|
bos@71
|
317 if out:
|
bos@137
|
318 ofp_basename = '%s.%s' % (self.name, out)
|
bos@566
|
319 norm = os.path.normpath(ofp_basename)
|
bos@566
|
320 example.entities[
|
bos@569
|
321 '<!ENTITY interaction.%s '
|
bos@590
|
322 'SYSTEM "results/%s.lxo">'
|
bos@566
|
323 % (norm, norm)] = 1
|
bos@173
|
324 read_hint = ofp_basename + ' '
|
bos@579
|
325 ofp = wopen(result_name(ofp_basename + '.tmp'))
|
bos@610
|
326 ofp.write('<!-- BEGIN %s -->\n' % ofp_basename)
|
bos@564
|
327 ofp.write('<screen>')
|
bos@71
|
328 else:
|
bos@71
|
329 ofp = None
|
bos@137
|
330 elif pi == 'ignore':
|
bos@137
|
331 ignore.append(rest)
|
bos@71
|
332 elif hunk.strip():
|
bos@71
|
333 # it's something we should execute
|
bos@173
|
334 newps, output = self.sendreceive(hunk, read_hint)
|
bos@168
|
335 if not ofp:
|
bos@71
|
336 continue
|
bos@71
|
337 # first, print the command we ran
|
bos@71
|
338 if not hunk.startswith('#'):
|
bos@71
|
339 nl = hunk.endswith('\n')
|
bos@610
|
340 hunk = ('<prompt>%s</prompt> '
|
bos@610
|
341 '<userinput>%s</userinput>' %
|
bos@103
|
342 (prompts[ps],
|
bos@564
|
343 xml_escape(hunk.rstrip('\n'))))
|
bos@71
|
344 if nl: hunk += '\n'
|
bos@71
|
345 ofp.write(hunk)
|
bos@71
|
346 # then its output
|
bos@564
|
347 ofp.write(xml_escape(output))
|
bos@103
|
348 ps = newps
|
bos@71
|
349 self.status('\n')
|
bos@71
|
350 except:
|
bos@72
|
351 print >> sys.stderr, '(killed)'
|
bos@79
|
352 os.kill(self.pid, signal.SIGKILL)
|
bos@72
|
353 pid, rc = os.wait()
|
bos@71
|
354 raise
|
bos@72
|
355 else:
|
bos@71
|
356 try:
|
bos@173
|
357 ps, output = self.sendreceive('exit\n', read_hint)
|
bos@138
|
358 if ofp is not None:
|
bos@71
|
359 ofp.write(output)
|
bos@564
|
360 ofp.write('</screen>\n')
|
bos@610
|
361 ofp.write('<!-- END %s -->\n' % ofp_basename)
|
bos@138
|
362 ofp.close()
|
bos@160
|
363 err |= self.rename_output(ofp_basename, ignore)
|
bos@73
|
364 os.close(self.cfd)
|
bos@71
|
365 except IOError:
|
bos@71
|
366 pass
|
bos@79
|
367 os.kill(self.pid, signal.SIGTERM)
|
bos@72
|
368 pid, rc = os.wait()
|
bos@160
|
369 err = err or rc
|
bos@160
|
370 if err:
|
bos@72
|
371 if os.WIFEXITED(rc):
|
bos@72
|
372 print >> sys.stderr, '(exit %s)' % os.WEXITSTATUS(rc)
|
bos@72
|
373 elif os.WIFSIGNALED(rc):
|
bos@72
|
374 print >> sys.stderr, '(signal %s)' % os.WTERMSIG(rc)
|
bos@136
|
375 else:
|
bos@579
|
376 wopen(result_name(self.name + '.run'))
|
bos@160
|
377 return err
|
bos@72
|
378 finally:
|
bos@4
|
379 shutil.rmtree(tmpdir)
|
bos@3
|
380
|
bos@258
|
381 def print_help(exit, msg=None):
|
bos@258
|
382 if msg:
|
bos@258
|
383 print >> sys.stderr, 'Error:', msg
|
bos@258
|
384 print >> sys.stderr, 'Usage: run-example [options] [test...]'
|
bos@258
|
385 print >> sys.stderr, 'Options:'
|
bos@565
|
386 print >> sys.stderr, ' -a --all run all examples in this directory'
|
bos@258
|
387 print >> sys.stderr, ' -h --help print this help message'
|
bos@610
|
388 print >> sys.stderr, ' --keep keep new output as desired output'
|
bos@258
|
389 print >> sys.stderr, ' -v --verbose display extra debug output'
|
bos@258
|
390 sys.exit(exit)
|
bos@258
|
391
|
bos@3
|
392 def main(path='.'):
|
bos@566
|
393 if os.path.realpath(path).split(os.sep)[-1] != 'examples':
|
bos@566
|
394 print >> sys.stderr, 'Not being run from the examples directory!'
|
bos@566
|
395 sys.exit(1)
|
bos@566
|
396
|
bos@258
|
397 opts, args = getopt.getopt(sys.argv[1:], '?ahv',
|
bos@545
|
398 ['all', 'help', 'keep', 'verbose'])
|
bos@78
|
399 verbose = False
|
bos@258
|
400 run_all = False
|
bos@545
|
401 keep_change = False
|
bos@566
|
402
|
bos@78
|
403 for o, a in opts:
|
bos@258
|
404 if o in ('-h', '-?', '--help'):
|
bos@258
|
405 print_help(0)
|
bos@258
|
406 if o in ('-a', '--all'):
|
bos@258
|
407 run_all = True
|
bos@545
|
408 if o in ('--keep',):
|
bos@545
|
409 keep_change = True
|
bos@78
|
410 if o in ('-v', '--verbose'):
|
bos@78
|
411 verbose = True
|
bos@71
|
412 errs = 0
|
bos@3
|
413 if args:
|
bos@3
|
414 for a in args:
|
bos@75
|
415 try:
|
bos@75
|
416 st = os.lstat(a)
|
bos@75
|
417 except OSError, err:
|
bos@75
|
418 print >> sys.stderr, '%s: %s' % (a, err.strerror)
|
bos@75
|
419 errs += 1
|
bos@75
|
420 continue
|
bos@579
|
421 if stat.S_ISREG(st.st_mode):
|
bos@579
|
422 if st.st_mode & 0111:
|
bos@579
|
423 if shell_example(a, verbose, keep_change).run():
|
bos@579
|
424 errs += 1
|
bos@579
|
425 elif a.endswith('.lst'):
|
bos@579
|
426 static_example(a, verbose, keep_change).run()
|
bos@75
|
427 else:
|
bos@75
|
428 print >> sys.stderr, '%s: not a file, or not executable' % a
|
bos@71
|
429 errs += 1
|
bos@258
|
430 elif run_all:
|
bos@579
|
431 names = glob.glob("*") + glob.glob("app*/*") + glob.glob("ch*/*")
|
bos@258
|
432 names.sort()
|
bos@258
|
433 for name in names:
|
bos@579
|
434 if name == 'run-example' or name.endswith('~'): continue
|
bos@258
|
435 pathname = os.path.join(path, name)
|
bos@258
|
436 try:
|
bos@258
|
437 st = os.lstat(pathname)
|
bos@258
|
438 except OSError, err:
|
bos@258
|
439 # could be an output file that was removed while we ran
|
bos@258
|
440 if err.errno != errno.ENOENT:
|
bos@258
|
441 raise
|
bos@258
|
442 continue
|
bos@579
|
443 if stat.S_ISREG(st.st_mode):
|
bos@579
|
444 if st.st_mode & 0111:
|
bos@579
|
445 if shell_example(pathname, verbose, keep_change).run():
|
bos@579
|
446 errs += 1
|
bos@579
|
447 elif pathname.endswith('.lst'):
|
bos@579
|
448 static_example(pathname, verbose, keep_change).run()
|
bos@579
|
449 print >> wopen(os.path.join(path, '.run')), time.asctime()
|
bos@258
|
450 else:
|
bos@258
|
451 print_help(1, msg='no test names given, and --all not provided')
|
bos@566
|
452
|
bos@579
|
453 fp = wopen('auto-snippets.xml')
|
bos@566
|
454 for key in sorted(example.entities.iterkeys()):
|
bos@566
|
455 print >> fp, key
|
bos@566
|
456 fp.close()
|
bos@71
|
457 return errs
|
bos@3
|
458
|
bos@3
|
459 if __name__ == '__main__':
|
bos@258
|
460 try:
|
bos@258
|
461 sys.exit(main())
|
bos@258
|
462 except KeyboardInterrupt:
|
bos@258
|
463 print >> sys.stderr, 'interrupted!'
|
bos@258
|
464 sys.exit(1)
|