import click, importlib

from shub.utils import missing_modules

def missingmod_cmd(modules):

modlist = ", ".join(modules)

@click.command(help="*DISABLED* - requires %s" % modlist)

@click.pass_context

def cmd(ctx):

click.echo("Error: '%s' command requires %s" % (ctx.info_name, modlist))

ctx.exit(1)

return cmd

@click.group(help="Scrapinghub command-line client")

def cli():

pass

module_deps = {

"deploy": ["scrapy", "setuptools"],

"login": [],

}

for command, modules in module_deps.iteritems():

m = missing_modules(*modules)

if m:

cli.add_command(missingmod_cmd(m), command)

else:

module_path = "shub." + command

command_module = importlib.import_module(module_path)

cli.add_command(command_module.cli, command)