Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/linktree.py @ 49955:878d40468c4e legacy-trunk

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Issue #4384: Added logging integration with warnings module using captureWarnings(). This change includes a NullHandler which does nothing; it will be of use to library developers who want to avoid the "No handlers could be found for logger XXX" message which can appear if the library user doesn't configure logging.
author Vinay Sajip <vinay_sajip@yahoo.co.uk>
date Wed, 03 Dec 2008 23:22:58 +0000
parents 981fff7363b9
children 6b18a095c2e7
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73758db2f464 /usr/local/bin/python -> /usr/bin/env python
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1 #! /usr/bin/env python
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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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2dd5dbf28a2d change posix to os
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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, 0777)
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35 except os.error, 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, 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, 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, 0777)
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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())