"""Commands class. It performs on-demand module loading
"""
def __getitem__(self, key):
+ """Return the command python module name based.
+ """
+ global prog
+
cmd_mod = self.get(key)
+ if not cmd_mod:
+ candidates = [cmd for cmd in self.keys() if cmd.startswith(key)]
+
+ if not candidates:
+ print >> sys.stderr, 'Unknown command: %s' % key
+ print >> sys.stderr, ' Try "%s help" for a list of ' \
+ 'supported commands' % prog
+ sys.exit(1)
+ elif len(candidates) > 1:
+ print >> sys.stderr, 'Ambiguous command: %s' % key
+ print >> sys.stderr, ' Candidates are: %s' \
+ % ', '.join(candidates)
+ sys.exit(1)
+
+ cmd_mod = self.get(candidates[0])
+
__import__('stgit.commands.' + cmd_mod)
return getattr(stgit.commands, cmd_mod)
def main():
"""The main function
"""
+ global prog
+
prog = os.path.basename(sys.argv[0])
if len(sys.argv) < 2:
if cmd in ['copyright']:
print __copyright__
sys.exit(0)
- if not cmd in commands:
- print >> sys.stderr, 'Unknown command: %s' % cmd
- print >> sys.stderr, ' Try "%s help" for a list of supported ' \
- 'commands' % prog
- sys.exit(1)
# re-build the command line arguments
sys.argv[0] += ' %s' % cmd