def check_for_unknown(command_str, options):
# if we get to this point we don't know what the user is requesting
app = registry.get_app('unknown')
options = [command_str]
if app == None:
raise Exception('App "Unknown" is missing')
return pipeline.Command(app, options)
def intelligently_add_renderer(new_pipeline):
# if pipeline.output == iotypes.Directory:
# app = registry.get_app('go')
if new_pipeline.preferred_renderer != None:
app = registry.get_app(new_pipeline.preferred_renderer)
if app == None:
raise Exception('Preferred renderer ' + \
str(new_pipeline.preferred_renderer) + ' not found')
elif new_pipeline.output == iotypes.Text:
app = registry.get_app('html')
elif new_pipeline.output == iotypes.File:
app = registry.get_app('grid')
else:
raise Exception("Unexpected typing error; please check the code")
renderer = pipeline.Command(app, [])
new_pipeline.add(renderer)
def intelligently_add_start(new_pipeline):
if new_pipeline.input == iotypes.File:
app = registry.get_app('file')
command = pipeline.Command(app, [os.getcwd()])
new_pipeline.add_to_start(command)
else:
print new_pipeline.describe()
raise Exception(
"Couldn't autowire an input of type " +
str(new_pipeline.input.__name__))
def create_command(app_name, options):
app = registry.get_app(app_name)
command = pipeline.Command(app, options)
return command
def check_for_app(command_str, options):
app = registry.get_app(command_str)
if app:
return pipeline.Command(app, options)
