Source Code for Module fcp.genkey

 1  #@+leo-ver=4 
 2  #@+node:@file genkey.py 
 3  """ 
 4  generate a keypair 
 5   
 6  This is the guts of the command-line front-end app fcpgenkey 
 7  """ 
 8   
 9  #@+others 
10  #@+node:imports 
11  import argparse 
12  import sys 
13  import traceback 
14   
15  from . import node 
16  from .arguments import add_default_arguments 
17   
18  #@-node:imports 
19  #@+node:globals 
20   
21  #@-node:globals 
22  #@+node:usage 
23 -def create_parser(): 
24      ''' 
25      Creates an argparse parser. 
26      ''' 
27      parser = argparse.ArgumentParser( 
28          prog='fcpgenkey', 
29          description=''' 
30              A simple command-line freenet keypair generation command. 
31   
32              Generates a simple SSK keypair, and prints 
33              public key, then private key, each on its own line. 
34          ''', 
35      ) 
36      add_default_arguments(parser) 
37   
38      return parser 
39   
40  #@-node:help 
41  #@+node:main 
42 -def main(): 
43      """ 
44      Front end for fcpget utility 
45      """ 
46   
47      parser = create_parser() 
48      args = parser.parse_args() 
49   
50      # default job options 
51      verbosity = node.ERROR 
52      verbose = False 
53   
54      # try to create the node 
55      try: 
56          fcp_node = node.FCPNode(host=args.fcphost, port=args.fcpport, verbosity=verbosity, 
57                           logfile=sys.stderr) 
58      except: 
59          if verbose: 
60              traceback.print_exc(file=sys.stderr) 
61          sys.stderr.write("Failed to connect to FCP service at %s:%d\n" % (args.fcphost, args.fcpport)) 
62          sys.exit(1) 
63   
64      # grab the keypair 
65      pub, priv = fcp_node.genkey() 
66   
67      fcp_node.shutdown() 
68   
69      # successful, return the uri 
70      print pub 
71      print priv 
72   
73      # all done 
74      sys.exit(0) 
75   
76  #@-node:main 
77  #@-others 
78   
79  #@-node:@file genkey.py 
80  #@-leo 
81