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annotate Tools/scripts/linktree.py @ 60174:255a401c19b0

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(partially) Merged revisions 79534,79537,79539,79558,79606 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r79534 | florent.xicluna | 2010-03-31 23:21:54 +0200 (mer, 31 mar 2010) | 2 lines Fix test for xml.etree when using a non-ascii path. And use check_warnings instead of catch_warnings. ........ r79537 | florent.xicluna | 2010-03-31 23:40:32 +0200 (mer, 31 mar 2010) | 2 lines Fix typo ........ r79539 | florent.xicluna | 2010-04-01 00:01:03 +0200 (jeu, 01 avr 2010) | 2 lines Replace catch_warnings with check_warnings when it makes sense. Use assertRaises context manager to simplify some tests. ........ r79558 | florent.xicluna | 2010-04-01 20:17:09 +0200 (jeu, 01 avr 2010) | 2 lines #7092: Fix some -3 warnings, and fix Lib/platform.py when the path contains a double-quote. ........ r79606 | florent.xicluna | 2010-04-02 19:26:42 +0200 (ven, 02 avr 2010) | 2 lines Backport some robotparser test and skip the test if the external resource is not available. ........
author Florent Xicluna <florent.xicluna@gmail.com>
date Fri, 02 Apr 2010 18:52:12 +0000
parents fcfe324663a6
children 6cfe2982de42
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1 #! /usr/bin/env python3
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2
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3 # linktree
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4 #
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5 # Make a copy of a directory tree with symbolic links to all files in the
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6 # original tree.
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7 # All symbolic links go to a special symbolic link at the top, so you
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8 # can easily fix things if the original source tree moves.
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9 # See also "mkreal".
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10 #
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11 # usage: mklinks oldtree newtree
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12
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13 import sys, os
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14
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15 LINK = '.LINK' # Name of special symlink at the top.
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16
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17 debug = 0
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18
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19 def main():
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20 if not 3 <= len(sys.argv) <= 4:
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21 print('usage:', sys.argv[0], 'oldtree newtree [linkto]')
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22 return 2
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23 oldtree, newtree = sys.argv[1], sys.argv[2]
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24 if len(sys.argv) > 3:
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25 link = sys.argv[3]
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26 link_may_fail = 1
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27 else:
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28 link = LINK
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29 link_may_fail = 0
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30 if not os.path.isdir(oldtree):
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31 print(oldtree + ': not a directory')
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32 return 1
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33 try:
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34 os.mkdir(newtree, 0o777)
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35 except os.error as msg:
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36 print(newtree + ': cannot mkdir:', msg)
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37 return 1
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38 linkname = os.path.join(newtree, link)
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39 try:
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40 os.symlink(os.path.join(os.pardir, oldtree), linkname)
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41 except os.error as msg:
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42 if not link_may_fail:
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43 print(linkname + ': cannot symlink:', msg)
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44 return 1
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45 else:
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46 print(linkname + ': warning: cannot symlink:', msg)
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47 linknames(oldtree, newtree, link)
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48 return 0
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49
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50 def linknames(old, new, link):
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51 if debug: print('linknames', (old, new, link))
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52 try:
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53 names = os.listdir(old)
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54 except os.error as msg:
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55 print(old + ': warning: cannot listdir:', msg)
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56 return
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57 for name in names:
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58 if name not in (os.curdir, os.pardir):
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59 oldname = os.path.join(old, name)
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60 linkname = os.path.join(link, name)
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61 newname = os.path.join(new, name)
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62 if debug > 1: print(oldname, newname, linkname)
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63 if os.path.isdir(oldname) and \
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64 not os.path.islink(oldname):
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65 try:
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66 os.mkdir(newname, 0o777)
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67 ok = 1
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68 except:
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69 print(newname + \
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70 ': warning: cannot mkdir:', msg)
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71 ok = 0
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72 if ok:
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73 linkname = os.path.join(os.pardir,
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74 linkname)
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75 linknames(oldname, newname, linkname)
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76 else:
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77 os.symlink(linkname, newname)
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78
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79 if __name__ == '__main__':
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80 sys.exit(main())