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