Files
docker-docs/fig/cli/command.py
Tom Stuart 490742b892 Emit a friendly error when fig.yml is missing
I keep doing this by accident, so I'd rather not see the stack trace.
2014-01-03 11:59:03 +00:00

46 lines
1.1 KiB
Python

from docker import Client
import errno
import logging
import os
import re
import yaml
from ..project import Project
from .docopt_command import DocoptCommand
from .formatter import Formatter
from .utils import cached_property, docker_url
log = logging.getLogger(__name__)
class Command(DocoptCommand):
@cached_property
def client(self):
return Client(docker_url())
@cached_property
def project(self):
try:
config = yaml.load(open('fig.yml'))
except IOError, e:
if e.errno == errno.ENOENT:
log.error("Can't find %s. Are you in the right directory?", e.filename)
else:
log.error(e)
exit(1)
return Project.from_config(self.project_name, config, self.client)
@cached_property
def project_name(self):
project = os.path.basename(os.getcwd())
project = re.sub(r'[^a-zA-Z0-9]', '', project)
if not project:
project = 'default'
return project
@cached_property
def formatter(self):
return Formatter()