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from pip.basecommand import Command, command_dict, load_all_commands
from pip.exceptions import InstallationError
from pip.baseparser import parser
class HelpCommand(Command):
name = 'help'
usage = '%prog'
summary = 'Show available commands'
def run(self, options, args):
load_all_commands()
if args:
## FIXME: handle errors better here
command = args[0]
if command not in command_dict:
raise InstallationError('No command with the name: %s' % command)
command = command_dict[command]
command.parser.print_help()
return
parser.print_help()
print
print 'Commands available:'
commands = list(set(command_dict.values()))
commands.sort(key=lambda x: x.name)
for command in commands:
if command.hidden:
continue
print ' %s: %s' % (command.name, command.summary)
HelpCommand()
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