from importlib import import_module

from django.apps import apps
from django.core.exceptions import ImproperlyConfigured


def get_callable(func_or_path):
    """
    Receives a dotted path or a callable, Returns a callable or None
    """
    if callable(func_or_path):
        return func_or_path

    module_name = '.'.join(func_or_path.split('.')[:-1])
    function_name = func_or_path.split('.')[-1]
    _module = import_module(module_name)
    func = getattr(_module, function_name)
    return func


def clean_app_config(app_path):
    """
    Removes the AppConfig path for this app and returns the new string
    """
    apps_names = [app.name for app in apps.get_app_configs()]
    if app_path in apps_names:
        return app_path
    else:
        app_split = app_path.split('.')
        new_app = '.'.join(app_split[:-2])
        if new_app in apps_names:
            return new_app
        else:  # pragma: no cover
            raise ImproperlyConfigured(
                "The application {0} is not in the configured apps or does" +
                "not have the pattern app.apps.AppConfig".format(app_path)
            )

from importlib import import_module

from django.apps import apps
from django.core.exceptions import ImproperlyConfigured


def get_callable(func_or_path):
    """
    Receives a dotted path or a callable, Returns a callable or None
    """
    if callable(func_or_path):
        return func_or_path

    module_name = '.'.join(func_or_path.split('.')[:-1])
    function_name = func_or_path.split('.')[-1]
    _module = import_module(module_name)
    func = getattr(_module, function_name)
    return func


def clean_app_config(app_path):
    """
    Removes the AppConfig path for this app and returns the new string
    """
    apps_names = [app.name for app in apps.get_app_configs()]
    if app_path in apps_names:
        return app_path
    else:
        app_split = app_path.split('.')
        new_app = '.'.join(app_split[:-2])
        if new_app in apps_names:
            return new_app
        else:  # pragma: no cover
            raise ImproperlyConfigured(
                "The application {0} is not in the configured apps or does".format(app_path) +
                "not have the pattern app.apps.AppConfig"
            )

Fix exception message if app path is invalid
Fix exception message if app path is invalid
  from importlib import import_module
  
  from django.apps import apps
  from django.core.exceptions import ImproperlyConfigured
  
  
  def get_callable(func_or_path):
      """
      Receives a dotted path or a callable, Returns a callable or None
      """
      if callable(func_or_path):
          return func_or_path
  
      module_name = '.'.join(func_or_path.split('.')[:-1])
      function_name = func_or_path.split('.')[-1]
      _module = import_module(module_name)
      func = getattr(_module, function_name)
      return func
  
  
  def clean_app_config(app_path):
      """
      Removes the AppConfig path for this app and returns the new string
      """
      apps_names = [app.name for app in apps.get_app_configs()]
      if app_path in apps_names:
          return app_path
      else:
          app_split = app_path.split('.')
          new_app = '.'.join(app_split[:-2])
          if new_app in apps_names:
              return new_app
          else:  # pragma: no cover
              raise ImproperlyConfigured(
-                 "The application {0} is not in the configured apps or does" +
+                 "The application {0} is not in the configured apps or does".format(app_path) +
-                 "not have the pattern app.apps.AppConfig".format(app_path)
+                 "not have the pattern app.apps.AppConfig"
              )
  
Fix exception message if app path is invalid
## Code Before:
from importlib import import_module

from django.apps import apps
from django.core.exceptions import ImproperlyConfigured


def get_callable(func_or_path):
    """
    Receives a dotted path or a callable, Returns a callable or None
    """
    if callable(func_or_path):
        return func_or_path

    module_name = '.'.join(func_or_path.split('.')[:-1])
    function_name = func_or_path.split('.')[-1]
    _module = import_module(module_name)
    func = getattr(_module, function_name)
    return func


def clean_app_config(app_path):
    """
    Removes the AppConfig path for this app and returns the new string
    """
    apps_names = [app.name for app in apps.get_app_configs()]
    if app_path in apps_names:
        return app_path
    else:
        app_split = app_path.split('.')
        new_app = '.'.join(app_split[:-2])
        if new_app in apps_names:
            return new_app
        else:  # pragma: no cover
            raise ImproperlyConfigured(
                "The application {0} is not in the configured apps or does" +
                "not have the pattern app.apps.AppConfig".format(app_path)
            )

## Instruction:
Fix exception message if app path is invalid
## Code After:
from importlib import import_module

from django.apps import apps
from django.core.exceptions import ImproperlyConfigured


def get_callable(func_or_path):
    """
    Receives a dotted path or a callable, Returns a callable or None
    """
    if callable(func_or_path):
        return func_or_path

    module_name = '.'.join(func_or_path.split('.')[:-1])
    function_name = func_or_path.split('.')[-1]
    _module = import_module(module_name)
    func = getattr(_module, function_name)
    return func


def clean_app_config(app_path):
    """
    Removes the AppConfig path for this app and returns the new string
    """
    apps_names = [app.name for app in apps.get_app_configs()]
    if app_path in apps_names:
        return app_path
    else:
        app_split = app_path.split('.')
        new_app = '.'.join(app_split[:-2])
        if new_app in apps_names:
            return new_app
        else:  # pragma: no cover
            raise ImproperlyConfigured(
                "The application {0} is not in the configured apps or does".format(app_path) +
                "not have the pattern app.apps.AppConfig"
            )
