[Tutor] python CLI parser

2007-12-21 Thread Martin Marcher 
Hello,

could you have a short review of my CLI package.

What it provides is a simple interface to create a shell. I'll be
using it inside a bot I'm writing to manage it.

Features:
 * pluggable commands
 * works over streams instead of stdin/stdout/stderr so it should be
network aware (right?)

Unfeatures:
 * not documented at all, right now

Todos (for me of course, not for you, but open to suggestions):
 * import readline
 * provide TAB completion
 * make CTRL+d also a quitcommand
 * remove hardcoded quitCommands only provide defaults

Necessary interface for a command:
function(*args) returning a string (No smart output of dicts, list or suche yet)

Builtin commands are noop and and echo.

To run it do python main.py
To leave it use quit or exit

any comments are welcome, especially how I could make CTRL+d leave my shell

and I'm not looking at something that provides, I'm pretty sure
someone did a similiar thing already :)

thanks
martin

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[Tutor] tarfile +stdin

2006-12-19 Thread Martin Marcher 

Hello,

I'm trying to create a backup script which in one of the last steps  
is to create a tarball that is possibly gzipped or bzipped2.


 import tarfile
 tbz = tarfile.open(name=tarfile.tar.bz2, mode=w:bz2)
 tbz.add(myfile.dmp)
 for tarinfo in tbz:
... print tarinfo.name
...
myfile.dmp


Now how would I open stdin to add files to this tarball?

 import sys
 tbz.add(sys.stdin)
Traceback (most recent call last):
  File stdin, line 1, in module
  File /Library/Frameworks/Python.framework/Versions/2.5/lib/ 
python2.5/tarfile.py, line 1333, in add

and os.path.abspath(name) == os.path.abspath(self.name):
  File /Library/Frameworks/Python.framework/Versions/2.5/lib/ 
python2.5/posixpath.py, line 403, in abspath

if not isabs(path):
  File /Library/Frameworks/Python.framework/Versions/2.5/lib/ 
python2.5/posixpath.py, line 49, in isabs

return s.startswith('/')
AttributeError: 'file' object has no attribute 'startswith'

happy about all hints
thanks
martin



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