Mercurial > cpython-lru_cache-weakref

annotate Tools/scripts/linktree.py @ 66978:aed2bbafa550 3.1

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Blocked revisions 87324 via svnmerge ........ r87324 | r.david.murray | 2010-12-16 14:08:51 -0500 (Thu, 16 Dec 2010) | 9 lines #10719: restore messages generated on invalid compileall args Before the introduction of filename arguments to compileall it gave semi useful messages about not being able to 'list' names that weren't valid directories. This fix restores that behavior. In addition to the test for this case, the patch also adds a test for the default behavior of compileall when no arguments are provided, and fixes a bug in one of the previously added tests. ........
author R. David Murray <rdmurray@bitdance.com>
date Thu, 16 Dec 2010 19:10:16 +0000
parents 46625e6122e9
children fcfe324663a6
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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, 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())