Mercurial > hg
annotate tests/f @ 34569:e304fd82c718
tests: use readlink.py instead of readlink
The latter doesn't always exist, such as on Solaris-derived platforms.
Differential Revision: https://phab.mercurial-scm.org/D996
author | Augie Fackler <augie@google.com> |
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date | Tue, 10 Oct 2017 11:02:23 -0400 |
parents | 3db2365d43e4 |
children | ea4d27aac557 |
rev | line source |
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1 #!/usr/bin/env python |
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2 |
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3 """ |
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4 Utility for inspecting files in various ways. |
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5 |
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6 This tool is like the collection of tools found in a unix environment but are |
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7 cross platform and stable and suitable for our needs in the test suite. |
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8 |
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9 This can be used instead of tools like: |
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10 [ |
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11 dd |
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12 find |
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13 head |
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14 hexdump |
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15 ls |
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16 md5sum |
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17 readlink |
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18 sha1sum |
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19 stat |
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20 tail |
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21 test |
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22 readlink.py |
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23 md5sum.py |
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24 """ |
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25 |
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26 from __future__ import absolute_import |
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27 |
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28 import glob |
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29 import hashlib |
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30 import optparse |
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31 import os |
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32 import re |
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33 import sys |
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34 |
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35 # Python 3 adapters |
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36 ispy3 = (sys.version_info[0] >= 3) |
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37 if ispy3: |
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38 def iterbytes(s): |
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39 for i in range(len(s)): |
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40 yield s[i:i + 1] |
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41 else: |
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42 iterbytes = iter |
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43 |
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44 def visit(opts, filenames, outfile): |
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45 """Process filenames in the way specified in opts, writing output to |
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46 outfile.""" |
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47 for f in sorted(filenames): |
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48 isstdin = f == '-' |
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49 if not isstdin and not os.path.lexists(f): |
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50 outfile.write(b'%s: file not found\n' % f.encode('utf-8')) |
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51 continue |
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52 quiet = opts.quiet and not opts.recurse or isstdin |
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53 isdir = os.path.isdir(f) |
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54 islink = os.path.islink(f) |
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55 isfile = os.path.isfile(f) and not islink |
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56 dirfiles = None |
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57 content = None |
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58 facts = [] |
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59 if isfile: |
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60 if opts.type: |
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61 facts.append('file') |
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62 if opts.hexdump or opts.dump or opts.md5: |
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63 content = open(f, 'rb').read() |
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64 elif islink: |
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65 if opts.type: |
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66 facts.append('link') |
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67 content = os.readlink(f) |
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68 elif isstdin: |
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69 content = getattr(sys.stdin, 'buffer', sys.stdin).read() |
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70 if opts.size: |
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71 facts.append('size=%s' % len(content)) |
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72 elif isdir: |
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73 if opts.recurse or opts.type: |
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74 dirfiles = glob.glob(f + '/*') |
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75 facts.append('directory with %s files' % len(dirfiles)) |
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76 elif opts.type: |
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77 facts.append('type unknown') |
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78 if not isstdin: |
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79 stat = os.lstat(f) |
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80 if opts.size and not isdir: |
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81 facts.append('size=%s' % stat.st_size) |
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82 if opts.mode and not islink: |
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83 facts.append('mode=%o' % (stat.st_mode & 0o777)) |
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84 if opts.links: |
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85 facts.append('links=%s' % stat.st_nlink) |
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86 if opts.newer: |
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87 # mtime might be in whole seconds so newer file might be same |
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88 if stat.st_mtime >= os.stat(opts.newer).st_mtime: |
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89 facts.append('newer than %s' % opts.newer) |
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90 else: |
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91 facts.append('older than %s' % opts.newer) |
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92 if opts.md5 and content is not None: |
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93 h = hashlib.md5(content) |
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94 facts.append('md5=%s' % h.hexdigest()[:opts.bytes]) |
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95 if opts.sha1 and content is not None: |
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96 h = hashlib.sha1(content) |
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97 facts.append('sha1=%s' % h.hexdigest()[:opts.bytes]) |
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98 if isstdin: |
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99 outfile.write(b', '.join(facts) + b'\n') |
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100 elif facts: |
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101 outfile.write(b'%s: %s\n' % (f.encode('utf-8'), b', '.join(facts))) |
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102 elif not quiet: |
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103 outfile.write(b'%s:\n' % f.encode('utf-8')) |
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104 if content is not None: |
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105 chunk = content |
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106 if not islink: |
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107 if opts.lines: |
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108 if opts.lines >= 0: |
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109 chunk = b''.join(chunk.splitlines(True)[:opts.lines]) |
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110 else: |
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111 chunk = b''.join(chunk.splitlines(True)[opts.lines:]) |
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112 if opts.bytes: |
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113 if opts.bytes >= 0: |
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114 chunk = chunk[:opts.bytes] |
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115 else: |
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116 chunk = chunk[opts.bytes:] |
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117 if opts.hexdump: |
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118 for i in range(0, len(chunk), 16): |
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119 s = chunk[i:i + 16] |
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120 outfile.write(b'%04x: %-47s |%s|\n' % |
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121 (i, b' '.join( |
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122 b'%02x' % ord(c) for c in iterbytes(s)), |
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123 re.sub(b'[^ -~]', b'.', s))) |
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124 if opts.dump: |
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125 if not quiet: |
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126 outfile.write(b'>>>\n') |
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127 outfile.write(chunk) |
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128 if not quiet: |
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129 if chunk.endswith(b'\n'): |
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130 outfile.write(b'<<<\n') |
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131 else: |
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132 outfile.write(b'\n<<< no trailing newline\n') |
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133 if opts.recurse and dirfiles: |
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134 assert not isstdin |
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135 visit(opts, dirfiles, outfile) |
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136 |
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137 if __name__ == "__main__": |
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138 parser = optparse.OptionParser("%prog [options] [filenames]") |
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139 parser.add_option("-t", "--type", action="store_true", |
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140 help="show file type (file or directory)") |
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141 parser.add_option("-m", "--mode", action="store_true", |
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142 help="show file mode") |
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143 parser.add_option("-l", "--links", action="store_true", |
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144 help="show number of links") |
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145 parser.add_option("-s", "--size", action="store_true", |
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146 help="show size of file") |
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147 parser.add_option("-n", "--newer", action="store", |
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148 help="check if file is newer (or same)") |
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149 parser.add_option("-r", "--recurse", action="store_true", |
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150 help="recurse into directories") |
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151 parser.add_option("-S", "--sha1", action="store_true", |
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152 help="show sha1 hash of the content") |
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153 parser.add_option("-M", "--md5", action="store_true", |
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154 help="show md5 hash of the content") |
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155 parser.add_option("-D", "--dump", action="store_true", |
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156 help="dump file content") |
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157 parser.add_option("-H", "--hexdump", action="store_true", |
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158 help="hexdump file content") |
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159 parser.add_option("-B", "--bytes", type="int", |
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160 help="number of characters to dump") |
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161 parser.add_option("-L", "--lines", type="int", |
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162 help="number of lines to dump") |
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163 parser.add_option("-q", "--quiet", action="store_true", |
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164 help="no default output") |
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165 (opts, filenames) = parser.parse_args(sys.argv[1:]) |
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166 if not filenames: |
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167 filenames = ['-'] |
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168 |
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169 visit(opts, filenames, getattr(sys.stdout, 'buffer', sys.stdout)) |