Python module_loading.module_dir方法代码示例

# 需要导入模块: from django.utils import module_loading [as 别名]
# 或者: from django.utils.module_loading import module_dir [as 别名]
def temporary_migration_module(self, app_label="migrations", module=None):
        """
        Shamelessly copied from Django.
        See django.tests.migrations.test_base.MigrationTestBase.temporary_migration_module

        Allows testing management commands in a temporary migrations module.

        Wrap all invocations to makemigrations and squashmigrations with this
        context manager in order to avoid creating migration files in your
        source tree inadvertently.
        """
        with tempfile.TemporaryDirectory() as temp_dir:
            target_dir = tempfile.mkdtemp(dir=temp_dir)
            with open(os.path.join(target_dir, "__init__.py"), "w"):
                pass
            target_migrations_dir = os.path.join(target_dir, "migrations")

            if module is None:
                module = apps.get_app_config(app_label).name + ".migrations"

            try:
                source_migrations_dir = module_dir(import_module(module))
            except (ImportError, ValueError):
                pass
            else:
                shutil.copytree(source_migrations_dir, target_migrations_dir)

            with extend_sys_path(temp_dir):
                new_module = os.path.basename(target_dir) + ".migrations"
                with self.settings(MIGRATION_MODULES={app_label: new_module}):
                    yield target_migrations_dir 

# 需要导入模块: from django.utils import module_loading [as 别名]
# 或者: from django.utils.module_loading import module_dir [as 别名]
def temporary_migration_module(self, app_label='migrations', module=None):
        """
        Allows testing management commands in a temporary migrations module.

        Wrap all invocations to makemigrations and squashmigrations with this
        context manager in order to avoid creating migration files in your
        source tree inadvertently.

        Takes the application label that will be passed to makemigrations or
        squashmigrations and the Python path to a migrations module.

        The migrations module is used as a template for creating the temporary
        migrations module. If it isn't provided, the application's migrations
        module is used, if it exists.

        Returns the filesystem path to the temporary migrations module.
        """
        temp_dir = tempfile.mkdtemp()
        try:
            target_dir = tempfile.mkdtemp(dir=temp_dir)
            with open(os.path.join(target_dir, '__init__.py'), 'w'):
                pass
            target_migrations_dir = os.path.join(target_dir, 'migrations')

            if module is None:
                module = apps.get_app_config(app_label).name + '.migrations'

            try:
                source_migrations_dir = module_dir(import_module(module))
            except (ImportError, ValueError):
                pass
            else:
                shutil.copytree(source_migrations_dir, target_migrations_dir)

            with extend_sys_path(temp_dir):
                new_module = os.path.basename(target_dir) + '.migrations'
                with self.settings(MIGRATION_MODULES={app_label: new_module}):
                    yield target_migrations_dir

        finally:
            shutil.rmtree(temp_dir) 

# 需要导入模块: from django.utils import module_loading [as 别名]
# 或者: from django.utils.module_loading import module_dir [as 别名]
def temporary_migration_module(self, app_label='migrations', module=None):
        """
        Allows testing management commands in a temporary migrations module.

        Wrap all invocations to makemigrations and squashmigrations with this
        context manager in order to avoid creating migration files in your
        source tree inadvertently.

        Takes the application label that will be passed to makemigrations or
        squashmigrations and the Python path to a migrations module.

        The migrations module is used as a template for creating the temporary
        migrations module. If it isn't provided, the application's migrations
        module is used, if it exists.

        Returns the filesystem path to the temporary migrations module.
        """
        with tempfile.TemporaryDirectory() as temp_dir:
            target_dir = tempfile.mkdtemp(dir=temp_dir)
            with open(os.path.join(target_dir, '__init__.py'), 'w'):
                pass
            target_migrations_dir = os.path.join(target_dir, 'migrations')

            if module is None:
                module = apps.get_app_config(app_label).name + '.migrations'

            try:
                source_migrations_dir = module_dir(import_module(module))
            except (ImportError, ValueError):
                pass
            else:
                shutil.copytree(source_migrations_dir, target_migrations_dir)

            with extend_sys_path(temp_dir):
                new_module = os.path.basename(target_dir) + '.migrations'
                with self.settings(MIGRATION_MODULES={app_label: new_module}):
                    yield target_migrations_dir 

# 需要导入模块: from django.utils import module_loading [as 别名]
# 或者: from django.utils.module_loading import module_dir [as 别名]
def basedir(self):
        migrations_package_name, _ = MigrationLoader.migrations_module(self.migration.app_label)

        if migrations_package_name is None:
            raise ValueError(
                "Django can't create migrations for app '%s' because "
                "migrations have been disabled via the MIGRATION_MODULES "
                "setting." % self.migration.app_label
            )

        # See if we can import the migrations module directly
        try:
            migrations_module = import_module(migrations_package_name)
        except ImportError:
            pass
        else:
            try:
                return module_dir(migrations_module)
            except ValueError:
                pass

        # Alright, see if it's a direct submodule of the app
        app_config = apps.get_app_config(self.migration.app_label)
        maybe_app_name, _, migrations_package_basename = migrations_package_name.rpartition(".")
        if app_config.name == maybe_app_name:
            return os.path.join(app_config.path, migrations_package_basename)

        # In case of using MIGRATION_MODULES setting and the custom package
        # doesn't exist, create one, starting from an existing package
        existing_dirs, missing_dirs = migrations_package_name.split("."), []
        while existing_dirs:
            missing_dirs.insert(0, existing_dirs.pop(-1))
            try:
                base_module = import_module(".".join(existing_dirs))
            except ImportError:
                continue
            else:
                try:
                    base_dir = module_dir(base_module)
                except ValueError:
                    continue
                else:
                    break
        else:
            raise ValueError(
                "Could not locate an appropriate location to create "
                "migrations package %s. Make sure the toplevel "
                "package exists and can be imported." %
                migrations_package_name)

        final_dir = os.path.join(base_dir, *missing_dirs)
        if not os.path.isdir(final_dir):
            os.makedirs(final_dir)
        for missing_dir in missing_dirs:
            base_dir = os.path.join(base_dir, missing_dir)
            with open(os.path.join(base_dir, "__init__.py"), "w"):
                pass

        return final_dir 

# 需要导入模块: from django.utils import module_loading [as 别名]
# 或者: from django.utils.module_loading import module_dir [as 别名]
def basedir(self):
        migrations_package_name, _ = MigrationLoader.migrations_module(self.migration.app_label)

        if migrations_package_name is None:
            raise ValueError(
                "Django can't create migrations for app '%s' because "
                "migrations have been disabled via the MIGRATION_MODULES "
                "setting." % self.migration.app_label
            )

        # See if we can import the migrations module directly
        try:
            migrations_module = import_module(migrations_package_name)
        except ImportError:
            pass
        else:
            try:
                return module_dir(migrations_module)
            except ValueError:
                pass

        # Alright, see if it's a direct submodule of the app
        app_config = apps.get_app_config(self.migration.app_label)
        maybe_app_name, _, migrations_package_basename = migrations_package_name.rpartition(".")
        if app_config.name == maybe_app_name:
            return os.path.join(app_config.path, migrations_package_basename)

        # In case of using MIGRATION_MODULES setting and the custom package
        # doesn't exist, create one, starting from an existing package
        existing_dirs, missing_dirs = migrations_package_name.split("."), []
        while existing_dirs:
            missing_dirs.insert(0, existing_dirs.pop(-1))
            try:
                base_module = import_module(".".join(existing_dirs))
            except (ImportError, ValueError):
                continue
            else:
                try:
                    base_dir = module_dir(base_module)
                except ValueError:
                    continue
                else:
                    break
        else:
            raise ValueError(
                "Could not locate an appropriate location to create "
                "migrations package %s. Make sure the toplevel "
                "package exists and can be imported." %
                migrations_package_name)

        final_dir = os.path.join(base_dir, *missing_dirs)
        if not os.path.isdir(final_dir):
            os.makedirs(final_dir)
        for missing_dir in missing_dirs:
            base_dir = os.path.join(base_dir, missing_dir)
            with open(os.path.join(base_dir, "__init__.py"), "w"):
                pass

        return final_dir 

# 需要导入模块: from django.utils import module_loading [as 别名]
# 或者: from django.utils.module_loading import module_dir [as 别名]
def basedir(self):
        migrations_package_name, _ = MigrationLoader.migrations_module(self.migration.app_label)

        if migrations_package_name is None:
            raise ValueError(
                "Django can't create migrations for app '%s' because "
                "migrations have been disabled via the MIGRATION_MODULES "
                "setting." % self.migration.app_label
            )

        # See if we can import the migrations module directly
        try:
            migrations_module = import_module(migrations_package_name)
        except ImportError:
            pass
        else:
            try:
                return upath(module_dir(migrations_module))
            except ValueError:
                pass

        # Alright, see if it's a direct submodule of the app
        app_config = apps.get_app_config(self.migration.app_label)
        maybe_app_name, _, migrations_package_basename = migrations_package_name.rpartition(".")
        if app_config.name == maybe_app_name:
            return os.path.join(app_config.path, migrations_package_basename)

        # In case of using MIGRATION_MODULES setting and the custom package
        # doesn't exist, create one, starting from an existing package
        existing_dirs, missing_dirs = migrations_package_name.split("."), []
        while existing_dirs:
            missing_dirs.insert(0, existing_dirs.pop(-1))
            try:
                base_module = import_module(".".join(existing_dirs))
            except ImportError:
                continue
            else:
                try:
                    base_dir = upath(module_dir(base_module))
                except ValueError:
                    continue
                else:
                    break
        else:
            raise ValueError(
                "Could not locate an appropriate location to create "
                "migrations package %s. Make sure the toplevel "
                "package exists and can be imported." %
                migrations_package_name)

        final_dir = os.path.join(base_dir, *missing_dirs)
        if not os.path.isdir(final_dir):
            os.makedirs(final_dir)
        for missing_dir in missing_dirs:
            base_dir = os.path.join(base_dir, missing_dir)
            with open(os.path.join(base_dir, "__init__.py"), "w"):
                pass

        return final_dir 

# 需要导入模块: from django.utils import module_loading [as 别名]
# 或者: from django.utils.module_loading import module_dir [as 别名]
def basedir(self):
        migrations_package_name = MigrationLoader.migrations_module(self.migration.app_label)

        if migrations_package_name is None:
            raise ValueError(
                "Django can't create migrations for app '%s' because "
                "migrations have been disabled via the MIGRATION_MODULES "
                "setting." % self.migration.app_label
            )

        # See if we can import the migrations module directly
        try:
            migrations_module = import_module(migrations_package_name)
        except ImportError:
            pass
        else:
            try:
                return upath(module_dir(migrations_module))
            except ValueError:
                pass

        # Alright, see if it's a direct submodule of the app
        app_config = apps.get_app_config(self.migration.app_label)
        maybe_app_name, _, migrations_package_basename = migrations_package_name.rpartition(".")
        if app_config.name == maybe_app_name:
            return os.path.join(app_config.path, migrations_package_basename)

        # In case of using MIGRATION_MODULES setting and the custom package
        # doesn't exist, create one, starting from an existing package
        existing_dirs, missing_dirs = migrations_package_name.split("."), []
        while existing_dirs:
            missing_dirs.insert(0, existing_dirs.pop(-1))
            try:
                base_module = import_module(".".join(existing_dirs))
            except ImportError:
                continue
            else:
                try:
                    base_dir = upath(module_dir(base_module))
                except ValueError:
                    continue
                else:
                    break
        else:
            raise ValueError(
                "Could not locate an appropriate location to create "
                "migrations package %s. Make sure the toplevel "
                "package exists and can be imported." %
                migrations_package_name)

        final_dir = os.path.join(base_dir, *missing_dirs)
        if not os.path.isdir(final_dir):
            os.makedirs(final_dir)
        for missing_dir in missing_dirs:
            base_dir = os.path.join(base_dir, missing_dir)
            with open(os.path.join(base_dir, "__init__.py"), "w"):
                pass

        return final_dir