Mercurial > hg
annotate tests/hghave @ 5208:cf9226452db7
Merge with -crew
author | Matt Mackall <mpm@selenic.com> |
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date | Mon, 20 Aug 2007 21:14:53 -0500 |
parents | e5b21a549cc5 |
children | 4fa0f2dff643 |
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1 #!/usr/bin/env python |
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2 """Test the running system for features availability. Exit with zero |
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3 if all features are there, non-zero otherwise. If a feature name is |
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4 prefixed with "no-", the absence of feature is tested. |
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5 """ |
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6 import optparse |
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7 import os |
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8 import sys |
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9 import tempfile |
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10 |
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11 tempprefix = 'hg-hghave-' |
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12 |
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13 def has_symlink(): |
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14 return hasattr(os, "symlink") |
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15 |
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16 def has_fifo(): |
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17 return hasattr(os, "mkfifo") |
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18 |
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19 def has_executablebit(): |
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20 fd, path = tempfile.mkstemp(prefix=tempprefix) |
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21 os.close(fd) |
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22 try: |
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23 s = os.lstat(path).st_mode |
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24 os.chmod(path, s | 0100) |
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25 return (os.lstat(path).st_mode & 0100 != 0) |
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26 finally: |
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27 os.remove(path) |
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28 |
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29 def has_eol_in_paths(): |
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30 try: |
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31 fd, path = tempfile.mkstemp(prefix=tempprefix, suffix='\n\r') |
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32 os.close(fd) |
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33 os.remove(path) |
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34 return True |
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35 except: |
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36 return False |
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37 |
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38 def has_hotshot(): |
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39 try: |
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40 # hotshot.stats tests hotshot and many problematic dependencies |
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41 # like profile. |
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42 import hotshot.stats |
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43 return True |
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44 except ImportError: |
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45 return False |
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46 |
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47 def has_lsprof(): |
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48 try: |
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49 import _lsprof |
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50 return True |
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51 except ImportError: |
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52 return False |
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53 |
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54 checks = { |
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55 "eol-in-paths": (has_eol_in_paths, "end-of-lines in paths"), |
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56 "execbit": (has_executablebit, "executable bit"), |
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57 "fifo": (has_fifo, "named pipes"), |
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58 "hotshot": (has_hotshot, "python hotshot module"), |
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59 "lsprof": (has_lsprof, "python lsprof module"), |
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60 "symlink": (has_symlink, "symbolic links"), |
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61 } |
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62 |
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63 def list_features(): |
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64 for name, feature in checks.iteritems(): |
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65 desc = feature[1] |
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66 print name + ':', desc |
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67 |
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68 parser = optparse.OptionParser("%prog [options] [features]") |
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69 parser.add_option("--list-features", action="store_true", |
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70 help="list available features") |
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71 parser.add_option("-q", "--quiet", action="store_true", |
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72 help="check features silently") |
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73 |
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74 if __name__ == '__main__': |
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75 options, args = parser.parse_args() |
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76 if options.list_features: |
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77 list_features() |
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78 sys.exit(0) |
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79 |
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80 quiet = options.quiet |
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81 |
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82 failures = 0 |
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83 |
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84 def error(msg): |
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85 global failures |
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86 if not quiet: |
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87 sys.stderr.write(msg + '\n') |
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88 failures += 1 |
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89 |
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90 for feature in args: |
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91 negate = feature.startswith('no-') |
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92 if negate: |
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93 feature = feature[3:] |
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94 |
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95 if feature not in checks: |
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96 error('hghave: unknown feature: ' + feature) |
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97 continue |
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98 |
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99 check, desc = checks[feature] |
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100 if not negate and not check(): |
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101 error('hghave: missing feature: ' + desc) |
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102 elif negate and check(): |
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103 error('hghave: system supports %s' % desc) |
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104 |
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105 if failures != 0: |
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106 sys.exit(1) |
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107 |
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108 |