Mercurial > hg
annotate tests/f @ 40417:49c7b701fdc2 stable
phase: add an archived phase
This phase allows for hidden changesets in the "user space". It differs from
the "internal" phase which is intended for internal by-product only. There
have been discussions at the 4.8 sprint to use such phase to speedup cleanup
after history rewriting operation.
Shipping it in the same release as the 'internal-phase' groups the associated
`requires` entry. The important bit is to have support for this phase in the
earliest version of mercurial possible. Adding the UI to manipulate this new
phase later seems fine.
The current plan for archived usage and user interface are as follow. On a
repository with internal-phase on and evolution off:
* history rewriting command set rewritten changeset in the archived phase.
(This mean updating the cleanupnodes method).
* keep `hg unbundle .hg/strip-backup/X.hg` as a way to restore changeset for
now
(backup bundle need to contains phase data)
* [maybe] add a `hg strip --soft` advance flag
(a light way to expose the feature without getting in the way of a better
UI)
Mercurial 4.8 freeze is too close to get the above in by then.
We don't introduce a new repository `requirement` as we reuse the one
introduced with the 'archived' phase during the 4.8 cycle.
author | Boris Feld <boris.feld@octobus.net> |
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date | Wed, 17 Oct 2018 14:47:01 +0200 |
parents | da1629c7dda1 |
children | 47ef023d0165 |
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 binascii |
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29 import glob |
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30 import hashlib |
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31 import optparse |
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32 import os |
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33 import re |
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34 import sys |
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35 |
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36 # Python 3 adapters |
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37 ispy3 = (sys.version_info[0] >= 3) |
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38 if ispy3: |
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39 def iterbytes(s): |
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40 for i in range(len(s)): |
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41 yield s[i:i + 1] |
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42 else: |
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43 iterbytes = iter |
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44 |
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45 def visit(opts, filenames, outfile): |
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46 """Process filenames in the way specified in opts, writing output to |
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47 outfile.""" |
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48 for f in sorted(filenames): |
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49 isstdin = f == '-' |
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50 if not isstdin and not os.path.lexists(f): |
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51 outfile.write(b'%s: file not found\n' % f.encode('utf-8')) |
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52 continue |
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53 quiet = opts.quiet and not opts.recurse or isstdin |
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54 isdir = os.path.isdir(f) |
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55 islink = os.path.islink(f) |
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56 isfile = os.path.isfile(f) and not islink |
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57 dirfiles = None |
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58 content = None |
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59 facts = [] |
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60 if isfile: |
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61 if opts.type: |
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62 facts.append(b'file') |
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63 if any((opts.hexdump, opts.dump, opts.md5, opts.sha1, opts.sha256)): |
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64 with open(f, 'rb') as fobj: |
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65 content = fobj.read() |
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66 elif islink: |
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67 if opts.type: |
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68 facts.append(b'link') |
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69 content = os.readlink(f).encode('utf8') |
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70 elif isstdin: |
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71 content = getattr(sys.stdin, 'buffer', sys.stdin).read() |
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72 if opts.size: |
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73 facts.append(b'size=%d' % len(content)) |
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74 elif isdir: |
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75 if opts.recurse or opts.type: |
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76 dirfiles = glob.glob(f + '/*') |
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77 facts.append(b'directory with %d files' % len(dirfiles)) |
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78 elif opts.type: |
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79 facts.append(b'type unknown') |
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80 if not isstdin: |
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81 stat = os.lstat(f) |
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82 if opts.size and not isdir: |
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83 facts.append(b'size=%d' % stat.st_size) |
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84 if opts.mode and not islink: |
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85 facts.append(b'mode=%o' % (stat.st_mode & 0o777)) |
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86 if opts.links: |
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87 facts.append(b'links=%d' % stat.st_nlink) |
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88 if opts.newer: |
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89 # mtime might be in whole seconds so newer file might be same |
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90 if stat.st_mtime >= os.stat(opts.newer).st_mtime: |
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91 facts.append(b'newer than %s' % opts.newer.encode( |
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92 'utf8', 'replace')) |
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93 else: |
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94 facts.append(b'older than %s' % opts.newer.encode( |
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95 'utf8', 'replace')) |
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96 if opts.md5 and content is not None: |
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97 h = hashlib.md5(content) |
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98 facts.append(b'md5=%s' % binascii.hexlify(h.digest())[:opts.bytes]) |
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99 if opts.sha1 and content is not None: |
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100 h = hashlib.sha1(content) |
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101 facts.append(b'sha1=%s' % binascii.hexlify(h.digest())[:opts.bytes]) |
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102 if opts.sha256 and content is not None: |
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103 h = hashlib.sha256(content) |
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104 facts.append(b'sha256=%s' % |
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105 binascii.hexlify(h.digest())[:opts.bytes]) |
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106 if isstdin: |
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107 outfile.write(b', '.join(facts) + b'\n') |
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108 elif facts: |
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109 outfile.write(b'%s: %s\n' % (f.encode('utf-8'), b', '.join(facts))) |
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110 elif not quiet: |
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111 outfile.write(b'%s:\n' % f.encode('utf-8')) |
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112 if content is not None: |
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113 chunk = content |
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114 if not islink: |
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115 if opts.lines: |
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116 if opts.lines >= 0: |
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117 chunk = b''.join(chunk.splitlines(True)[:opts.lines]) |
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118 else: |
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119 chunk = b''.join(chunk.splitlines(True)[opts.lines:]) |
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120 if opts.bytes: |
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121 if opts.bytes >= 0: |
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122 chunk = chunk[:opts.bytes] |
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123 else: |
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124 chunk = chunk[opts.bytes:] |
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125 if opts.hexdump: |
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126 for i in range(0, len(chunk), 16): |
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127 s = chunk[i:i + 16] |
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128 outfile.write(b'%04x: %-47s |%s|\n' % |
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129 (i, b' '.join( |
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130 b'%02x' % ord(c) for c in iterbytes(s)), |
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131 re.sub(b'[^ -~]', b'.', s))) |
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132 if opts.dump: |
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133 if not quiet: |
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134 outfile.write(b'>>>\n') |
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135 outfile.write(chunk) |
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136 if not quiet: |
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137 if chunk.endswith(b'\n'): |
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138 outfile.write(b'<<<\n') |
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139 else: |
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140 outfile.write(b'\n<<< no trailing newline\n') |
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141 if opts.recurse and dirfiles: |
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142 assert not isstdin |
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143 visit(opts, dirfiles, outfile) |
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144 |
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145 if __name__ == "__main__": |
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146 parser = optparse.OptionParser("%prog [options] [filenames]") |
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147 parser.add_option("-t", "--type", action="store_true", |
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148 help="show file type (file or directory)") |
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149 parser.add_option("-m", "--mode", action="store_true", |
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150 help="show file mode") |
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151 parser.add_option("-l", "--links", action="store_true", |
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152 help="show number of links") |
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153 parser.add_option("-s", "--size", action="store_true", |
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154 help="show size of file") |
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155 parser.add_option("-n", "--newer", action="store", |
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156 help="check if file is newer (or same)") |
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157 parser.add_option("-r", "--recurse", action="store_true", |
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158 help="recurse into directories") |
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159 parser.add_option("-S", "--sha1", action="store_true", |
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160 help="show sha1 hash of the content") |
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161 parser.add_option("", "--sha256", action="store_true", |
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162 help="show sha256 hash of the content") |
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163 parser.add_option("-M", "--md5", action="store_true", |
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164 help="show md5 hash of the content") |
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165 parser.add_option("-D", "--dump", action="store_true", |
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166 help="dump file content") |
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167 parser.add_option("-H", "--hexdump", action="store_true", |
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168 help="hexdump file content") |
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169 parser.add_option("-B", "--bytes", type="int", |
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170 help="number of characters to dump") |
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171 parser.add_option("-L", "--lines", type="int", |
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172 help="number of lines to dump") |
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173 parser.add_option("-q", "--quiet", action="store_true", |
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174 help="no default output") |
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175 (opts, filenames) = parser.parse_args(sys.argv[1:]) |
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176 if not filenames: |
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177 filenames = ['-'] |
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178 |
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179 visit(opts, filenames, getattr(sys.stdout, 'buffer', sys.stdout)) |