tools/examples/getfile.py

   1 #!/usr/bin/env python
   2 #
   3 # USAGE: getfile.py [-r REV] repos-path file
   4 #
   5 # gets a file from an SVN repository, puts it to sys.stdout
   6 #
   7
   8 import sys
   9 import os
  10 import getopt
  11 try:
  12   my_getopt = getopt.gnu_getopt
  13 except AttributeError:
  14   my_getopt = getopt.getopt
  15
  16 from svn import fs, core, repos
  17
  18 CHUNK_SIZE = 16384
  19
  20 def getfile(path, filename, rev=None):
  21   path = core.svn_path_canonicalize(path)
  22   repos_ptr = repos.open(path)
  23   fsob = repos.fs(repos_ptr)
  24
  25   if rev is None:
  26     rev = fs.youngest_rev(fsob)
  27     print "Using youngest revision ", rev
  28
  29   root = fs.revision_root(fsob, rev)
  30   file = fs.file_contents(root, filename)
  31   while 1:
  32     data = core.svn_stream_read(file, CHUNK_SIZE)
  33     if not data:
  34       break
  35     sys.stdout.write(data)
  36
  37 def usage():
  38   print "USAGE: getfile.py [-r REV] repos-path file"
  39   sys.exit(1)
  40
  41 def main():
  42   opts, args = my_getopt(sys.argv[1:], 'r:')
  43   if len(args) != 2:
  44     usage()
  45   rev = None
  46   for name, value in opts:
  47     if name == '-r':
  48       rev = int(value)
  49   getfile(args[0], args[1], rev)
  50
  51 if __name__ == '__main__':
  52   main()