Mercurial > hg
annotate tests/f @ 36091:ea02be8665ef
narrowtemplates: update to use registrar mechanism
It's worth considering at this point if we should just move the two
ellipsis functions to core tagged experimental or something, since
they're not really narrowing-specific...
Differential Revision: https://phab.mercurial-scm.org/D2009
author | Augie Fackler <augie@google.com> |
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date | Fri, 02 Feb 2018 10:51:47 -0500 |
parents | c1f7037c2ded |
children | c69e78ef2b54 |
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 any((opts.hexdump, opts.dump, opts.md5, opts.sha1, opts.sha256)): |
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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 opts.sha256 and content is not None: |
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99 h = hashlib.sha256(content) |
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100 facts.append('sha256=%s' % h.hexdigest()[:opts.bytes]) |
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101 if isstdin: |
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102 outfile.write(b', '.join(facts) + b'\n') |
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103 elif facts: |
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104 outfile.write(b'%s: %s\n' % (f.encode('utf-8'), b', '.join(facts))) |
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105 elif not quiet: |
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106 outfile.write(b'%s:\n' % f.encode('utf-8')) |
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107 if content is not None: |
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108 chunk = content |
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109 if not islink: |
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110 if opts.lines: |
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111 if opts.lines >= 0: |
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112 chunk = b''.join(chunk.splitlines(True)[:opts.lines]) |
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113 else: |
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114 chunk = b''.join(chunk.splitlines(True)[opts.lines:]) |
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115 if opts.bytes: |
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116 if opts.bytes >= 0: |
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117 chunk = chunk[:opts.bytes] |
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118 else: |
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119 chunk = chunk[opts.bytes:] |
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120 if opts.hexdump: |
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121 for i in range(0, len(chunk), 16): |
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122 s = chunk[i:i + 16] |
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123 outfile.write(b'%04x: %-47s |%s|\n' % |
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124 (i, b' '.join( |
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125 b'%02x' % ord(c) for c in iterbytes(s)), |
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126 re.sub(b'[^ -~]', b'.', s))) |
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127 if opts.dump: |
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128 if not quiet: |
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129 outfile.write(b'>>>\n') |
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130 outfile.write(chunk) |
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131 if not quiet: |
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132 if chunk.endswith(b'\n'): |
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133 outfile.write(b'<<<\n') |
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134 else: |
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135 outfile.write(b'\n<<< no trailing newline\n') |
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136 if opts.recurse and dirfiles: |
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137 assert not isstdin |
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138 visit(opts, dirfiles, outfile) |
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139 |
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140 if __name__ == "__main__": |
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141 parser = optparse.OptionParser("%prog [options] [filenames]") |
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142 parser.add_option("-t", "--type", action="store_true", |
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143 help="show file type (file or directory)") |
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144 parser.add_option("-m", "--mode", action="store_true", |
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145 help="show file mode") |
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146 parser.add_option("-l", "--links", action="store_true", |
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147 help="show number of links") |
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148 parser.add_option("-s", "--size", action="store_true", |
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149 help="show size of file") |
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150 parser.add_option("-n", "--newer", action="store", |
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151 help="check if file is newer (or same)") |
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152 parser.add_option("-r", "--recurse", action="store_true", |
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153 help="recurse into directories") |
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154 parser.add_option("-S", "--sha1", action="store_true", |
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155 help="show sha1 hash of the content") |
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156 parser.add_option("", "--sha256", action="store_true", |
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157 help="show sha256 hash of the content") |
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158 parser.add_option("-M", "--md5", action="store_true", |
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159 help="show md5 hash of the content") |
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160 parser.add_option("-D", "--dump", action="store_true", |
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161 help="dump file content") |
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162 parser.add_option("-H", "--hexdump", action="store_true", |
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163 help="hexdump file content") |
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164 parser.add_option("-B", "--bytes", type="int", |
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165 help="number of characters to dump") |
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166 parser.add_option("-L", "--lines", type="int", |
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167 help="number of lines to dump") |
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168 parser.add_option("-q", "--quiet", action="store_true", |
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169 help="no default output") |
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170 (opts, filenames) = parser.parse_args(sys.argv[1:]) |
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171 if not filenames: |
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172 filenames = ['-'] |
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173 |
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174 visit(opts, filenames, getattr(sys.stdout, 'buffer', sys.stdout)) |