1 import os

     2 

     3 from django.core.management.base import copy_helper, CommandError, LabelCommand

     4 from django.utils.importlib import import_module

     5 

     6 class Command(LabelCommand):

     7     help = "Creates a Django app directory structure for the given app name in the current directory."

     8     args = "[appname]"

     9     label = 'application name'

    10 

    11     requires_model_validation = False

    12     # Can't import settings during this command, because they haven't

    13     # necessarily been created.

    14     can_import_settings = False

    15 

    16     def handle_label(self, app_name, directory=None, **options):

    17         if directory is None:

    18             directory = os.getcwd()

    19 

    20         # Determine the project_name by using the basename of directory,

    21         # which should be the full path of the project directory (or the

    22         # current directory if no directory was passed).

    23         project_name = os.path.basename(directory)

    24         if app_name == project_name:

    25             raise CommandError("You cannot create an app with the same name"

    26                                " (%r) as your project." % app_name)

    27 

    28         # Check that the app_name cannot be imported.

    29         try:

    30             import_module(app_name)

    31         except ImportError:

    32             pass

    33         else:

    34             raise CommandError("%r conflicts with the name of an existing Python module and cannot be used as an app name. Please try another name." % app_name)

    35 

    36         copy_helper(self.style, 'app', app_name, directory, project_name)

    37 

    38 class ProjectCommand(Command):

    39     help = ("Creates a Django app directory structure for the given app name"

    40             " in this project's directory.")

    41 

    42     def __init__(self, project_directory):

    43         super(ProjectCommand, self).__init__()

    44         self.project_directory = project_directory

    45 

    46     def handle_label(self, app_name, **options):

    47         super(ProjectCommand, self).handle_label(app_name, self.project_directory, **options)