1 | #!/usr/bin/env python |
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2 | """This demonstrates an FTP "bookmark". |
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3 | This connects to an ftp site; does a few ftp stuff; and then gives the user |
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4 | interactive control over the session. In this case the "bookmark" is to a |
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5 | directory on the OpenBSD ftp server. It puts you in the i386 packages |
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6 | directory. You can easily modify this for other sites. |
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7 | """ |
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8 | import pexpect |
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9 | import sys |
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10 | |
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11 | child = pexpect.spawn('/usr/bin/ftp ftp.openbsd.org') |
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12 | child.expect('Name .*: ') |
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13 | child.sendline('anonymous') |
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14 | child.expect('Password:') |
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15 | child.sendline('pexpect@sourceforge.net') |
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16 | child.expect('ftp> ') |
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17 | child.sendline('cd /pub/OpenBSD/3.1/packages/i386') |
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18 | child.expect('ftp> ') |
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19 | child.sendline('bin') |
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20 | child.expect('ftp> ') |
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21 | child.sendline('prompt') |
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22 | child.expect('ftp> ') |
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23 | child.sendline('pwd') |
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24 | child.expect('ftp> ') |
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25 | print("Escape character is '^]'.\n") |
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26 | sys.stdout.write (child.after) |
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27 | sys.stdout.flush() |
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28 | child.interact() # Escape character defaults to ^] |
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29 | # At this point this script blocks until the user presses the escape character |
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30 | # or until the child exits. The human user and the child should be talking |
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31 | # to each other now. |
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32 | |
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33 | # At this point the script is running again. |
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34 | print 'Left interact mode.' |
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35 | |
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36 | # |
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37 | # The rest is not strictly necessary. This just demonstrates a few functions. |
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38 | # This makes sure the child is dead; although it would be killed when Python exits. |
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39 | # |
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40 | if child.isalive(): |
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41 | child.sendline('bye') # Try to ask ftp child to exit. |
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42 | child.kill(1) # Then try to force it. |
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43 | # Print the final state of the child. Normally isalive() should be FALSE. |
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44 | print |
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45 | if child.isalive(): |
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46 | print 'Child did not exit gracefully.' |
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47 | else: |
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48 | print 'Child exited gracefully.' |
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49 | |
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50 | |
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