old_contents: from docker import Client
  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
  
  log = logging.getLogger(__name__)
  
  class Command(DocoptCommand):
      @cached_property
      def client(self):
          if os.environ.get('DOCKER_URL'):
              return Client(os.environ['DOCKER_URL'])
          else:
              return Client()
  
      @cached_property
      def project(self):
          config = yaml.load(open('fig.yml'))
          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()
  
  
new_contents: from docker import Client
  import logging
  import os
  import re
  import yaml
  import socket
  
  from ..project import Project
  from .docopt_command import DocoptCommand
  from .formatter import Formatter
  from .utils import cached_property
  from .errors import UserError
  
  log = logging.getLogger(__name__)
  
  class Command(DocoptCommand):
      @cached_property
      def client(self):
          if os.environ.get('DOCKER_URL'):
              return Client(os.environ['DOCKER_URL'])
  
          socket_path = '/var/run/docker.sock'
          tcp_host = '127.0.0.1'
          tcp_port = 4243
  
          if os.path.exists(socket_path):
              return Client('unix://%s' % socket_path)
  
          try:
              s = socket.socket()
              s.connect((tcp_host, tcp_port))
              s.close()
              return Client('http://%s:%s' % (tcp_host, tcp_port))
          except:
              pass
  
          raise UserError("""
          Couldn't find Docker daemon - tried %s and %s:%s.
          If it's running elsewhere, specify a url with DOCKER_URL.
          """ % (socket_path, tcp_host, tcp_port))
  
      @cached_property
      def project(self):
          config = yaml.load(open('fig.yml'))
          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()
  
  
subject: Check default socket and localhost:4243 for Docker daemon