Python _os.upath方法代码示例

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def load_backend(backend_name):
    # Look for a fully qualified database backend name
    try:
        return import_module('%s.base' % backend_name)
    except ImportError as e_user:
        # The database backend wasn't found. Display a helpful error message
        # listing all possible (built-in) database backends.
        backend_dir = os.path.join(os.path.dirname(upath(__file__)), 'backends')
        try:
            builtin_backends = [
                name for _, name, ispkg in pkgutil.iter_modules([backend_dir])
                if ispkg and name != 'dummy']
        except EnvironmentError:
            builtin_backends = []
        if backend_name not in ['django.db.backends.%s' % b for b in
                                builtin_backends]:
            backend_reprs = map(repr, sorted(builtin_backends))
            error_msg = ("%r isn't an available database backend.\n"
                         "Try using 'django.db.backends.XXX', where XXX "
                         "is one of:\n    %s\nError was: %s" %
                         (backend_name, ", ".join(backend_reprs), e_user))
            raise ImproperlyConfigured(error_msg)
        else:
            # If there's some other error, this must be an error in Django
            raise 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def get_app_template_dirs(dirname):
    """
    Return an iterable of paths of directories to load app templates from.

    dirname is the name of the subdirectory containing templates inside
    installed applications.
    """
    template_dirs = []
    for app_config in apps.get_app_configs():
        if not app_config.path:
            continue
        template_dir = os.path.join(app_config.path, dirname)
        if os.path.isdir(template_dir):
            template_dirs.append(upath(template_dir))
    # Immutable return value because it will be cached and shared by callers.
    return tuple(template_dirs) 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def _path_from_module(self, module):
        """Attempt to determine app's filesystem path from its module."""
        # See #21874 for extended discussion of the behavior of this method in
        # various cases.
        # Convert paths to list because Python 3.3 _NamespacePath does not
        # support indexing.
        paths = list(getattr(module, '__path__', []))
        if len(paths) != 1:
            filename = getattr(module, '__file__', None)
            if filename is not None:
                paths = [os.path.dirname(filename)]
        if len(paths) > 1:
            raise ImproperlyConfigured(
                "The app module %r has multiple filesystem locations (%r); "
                "you must configure this app with an AppConfig subclass "
                "with a 'path' class attribute." % (module, paths))
        elif not paths:
            raise ImproperlyConfigured(
                "The app module %r has no filesystem location, "
                "you must configure this app with an AppConfig subclass "
                "with a 'path' class attribute." % (module,))
        return upath(paths[0]) 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def get_dirs(self):
        project_app_dirs = []
        other_app_dirs = []

        for app_config in apps.get_app_configs():
            if not app_config.path:
                continue
            template_dir = os.path.join(app_config.path, 'templates')
            if os.path.isdir(template_dir):
                if app_config.name.startswith('apps.'):
                    project_app_dirs.append(upath(template_dir))
                    project_admin_template_dir = os.path.join(app_config.path, 'templates_admin')
                    if os.path.isdir(project_admin_template_dir):
                        project_app_dirs.append(upath(project_admin_template_dir))
                else:
                    other_app_dirs.append(upath(template_dir))
        project_dir = [os.path.join(str(settings.PROJECT_DIR), 'templates')]
        root_app_dir = [settings.APPS_DIR]

        # Immutable return value because it will be cached and shared by callers.
        return tuple(project_app_dirs + root_app_dir + project_dir + other_app_dirs) 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def load_backend(backend_name):
    # Look for a fully qualified database backend name
    try:
        return import_module('.base', backend_name)
    except ImportError as e_user:
        # The database backend wasn't found. Display a helpful error message
        # listing all possible (built-in) database backends.
        backend_dir = os.path.join(os.path.dirname(upath(__file__)), 'backends')
        try:
            builtin_backends = [
                name for _, name, ispkg in pkgutil.iter_modules([backend_dir])
                if ispkg and name != 'dummy']
        except EnvironmentError:
            builtin_backends = []
        if backend_name not in ['django.db.backends.%s' % b for b in
                                builtin_backends]:
            backend_reprs = map(repr, sorted(builtin_backends))
            error_msg = ("%r isn't an available database backend.\n"
                         "Try using 'django.db.backends.XXX', where XXX "
                         "is one of:\n    %s\nError was: %s" %
                         (backend_name, ", ".join(backend_reprs), e_user))
            raise ImproperlyConfigured(error_msg)
        else:
            # If there's some other error, this must be an error in Django
            raise 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def register_models(self, app_label, *models):
        """
        Register a set of models as belonging to an app.
        """
        for model in models:
            # Store as 'name: model' pair in a dictionary
            # in the app_models dictionary
            model_name = model._meta.object_name.lower()
            model_dict = self.app_models.setdefault(app_label, SortedDict())
            if model_name in model_dict:
                # The same model may be imported via different paths (e.g.
                # appname.models and project.appname.models). We use the source
                # filename as a means to detect identity.
                fname1 = os.path.abspath(upath(sys.modules[model.__module__].__file__))
                fname2 = os.path.abspath(upath(sys.modules[model_dict[model_name].__module__].__file__))
                # Since the filename extension could be .py the first time and
                # .pyc or .pyo the second time, ignore the extension when
                # comparing.
                if os.path.splitext(fname1)[0] == os.path.splitext(fname2)[0]:
                    continue
            model_dict[model_name] = model
        self._get_models_cache.clear() 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def custom_sql_for_model(model, style, connection):
    opts = model._meta
    app_dir = os.path.normpath(os.path.join(os.path.dirname(upath(models.get_app(model._meta.app_label).__file__)), 'sql'))
    output = []

    # Post-creation SQL should come before any initial SQL data is loaded.
    # However, this should not be done for models that are unmanaged or
    # for fields that are part of a parent model (via model inheritance).
    if opts.managed:
        post_sql_fields = [f for f in opts.local_fields if hasattr(f, 'post_create_sql')]
        for f in post_sql_fields:
            output.extend(f.post_create_sql(style, model._meta.db_table))

    # Find custom SQL, if it's available.
    backend_name = connection.settings_dict['ENGINE'].split('.')[-1]
    sql_files = [os.path.join(app_dir, "%s.%s.sql" % (opts.object_name.lower(), backend_name)),
                 os.path.join(app_dir, "%s.sql" % opts.object_name.lower())]
    for sql_file in sql_files:
        if os.path.exists(sql_file):
            with codecs.open(sql_file, 'U', encoding=settings.FILE_CHARSET) as fp:
                # Some backends can't execute more than one SQL statement at a time,
                # so split into separate statements.
                output.extend(_split_statements(fp.read()))
    return output 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def _init_translation_catalog(self):
        """Creates a base catalog using global django translations."""
        settingsfile = upath(sys.modules[settings.__module__].__file__)
        localedir = os.path.join(os.path.dirname(settingsfile), 'locale')
        use_null_fallback = True
        if self.__language == settings.LANGUAGE_CODE:
            # default lang should be present and parseable, if not
            # gettext will raise an IOError (refs #18192).
            use_null_fallback = False
        translation = self._new_gnu_trans(localedir, use_null_fallback)
        self.plural = translation.plural
        self._info = translation._info.copy()
        self._catalog = translation._catalog.copy() 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def all_locale_paths():
    """
    Returns a list of paths to user-provides languages files.
    """
    globalpath = os.path.join(
        os.path.dirname(upath(sys.modules[settings.__module__].__file__)), 'locale')
    return [globalpath] + list(settings.LOCALE_PATHS) 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def path(self):
        migrations_package_name = MigrationLoader.migrations_module(self.migration.app_label)
        # See if we can import the migrations module directly
        try:
            migrations_module = import_module(migrations_package_name)

            # Python 3 fails when the migrations directory does not have a
            # __init__.py file
            if not hasattr(migrations_module, '__file__'):
                raise ImportError

            basedir = os.path.dirname(upath(migrations_module.__file__))
        except ImportError:
            app_config = apps.get_app_config(self.migration.app_label)
            migrations_package_basename = migrations_package_name.split(".")[-1]

            # Alright, see if it's a direct submodule of the app
            if '%s.%s' % (app_config.name, migrations_package_basename) == migrations_package_name:
                basedir = os.path.join(app_config.path, migrations_package_basename)
            else:
                # In case of using MIGRATION_MODULES setting and the custom
                # package doesn't exist, create one.
                package_dirs = migrations_package_name.split(".")
                create_path = os.path.join(upath(sys.path[0]), *package_dirs)
                if not os.path.isdir(create_path):
                    os.makedirs(create_path)
                for i in range(1, len(package_dirs) + 1):
                    init_dir = os.path.join(upath(sys.path[0]), *package_dirs[:i])
                    init_path = os.path.join(init_dir, "__init__.py")
                    if not os.path.isfile(init_path):
                        open(init_path, "w").close()
                return os.path.join(create_path, self.filename)
        return os.path.join(basedir, self.filename) 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def _get_app_path(self, app):
        if hasattr(app, '__path__'):        # models/__init__.py package
            app_path = app.__path__[0]
        else:                               # models.py module
            app_path = app.__file__
        return os.path.dirname(upath(app_path)) 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def copy_plural_forms(self, msgs, locale):
        """
        Copies plural forms header contents from a Django catalog of locale to
        the msgs string, inserting it at the right place. msgs should be the
        contents of a newly created .po file.
        """
        django_dir = os.path.normpath(os.path.join(os.path.dirname(upath(django.__file__))))
        if self.domain == 'djangojs':
            domains = ('djangojs', 'django')
        else:
            domains = ('django',)
        for domain in domains:
            django_po = os.path.join(django_dir, 'conf', 'locale', locale, 'LC_MESSAGES', '%s.po' % domain)
            if os.path.exists(django_po):
                with io.open(django_po, 'r', encoding='utf-8') as fp:
                    m = plural_forms_re.search(fp.read())
                if m:
                    plural_form_line = force_str(m.group('value'))
                    if self.verbosity > 1:
                        self.stdout.write("copying plural forms: %s\n" % plural_form_line)
                    lines = []
                    found = False
                    for line in msgs.split('\n'):
                        if not found and (not line or plural_forms_re.search(line)):
                            line = '%s\n' % plural_form_line
                            found = True
                        lines.append(line)
                    msgs = '\n'.join(lines)
                    break
        return msgs 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def fixture_dirs(self):
        """
        Return a list of fixture directories.

        The list contains the 'fixtures' subdirectory of each installed
        application, if it exists, the directories in FIXTURE_DIRS, and the
        current directory.
        """
        dirs = []
        fixture_dirs = settings.FIXTURE_DIRS
        if len(fixture_dirs) != len(set(fixture_dirs)):
            raise ImproperlyConfigured("settings.FIXTURE_DIRS contains duplicates.")
        for app_config in apps.get_app_configs():
            app_label = app_config.label
            app_dir = os.path.join(app_config.path, 'fixtures')
            if app_dir in fixture_dirs:
                raise ImproperlyConfigured(
                    "'%s' is a default fixture directory for the '%s' app "
                    "and cannot be listed in settings.FIXTURE_DIRS." % (app_dir, app_label)
                )

            if self.app_label and app_label != self.app_label:
                continue
            if os.path.isdir(app_dir):
                dirs.append(app_dir)
        dirs.extend(list(fixture_dirs))
        dirs.append('')
        dirs = [upath(os.path.abspath(os.path.realpath(d))) for d in dirs]
        return dirs 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def _init_translation_catalog(self):
        """Creates a base catalog using global django translations."""
        settingsfile = upath(sys.modules[settings.__module__].__file__)
        localedir = os.path.join(os.path.dirname(settingsfile), 'locale')
        translation = self._new_gnu_trans(localedir)
        self.merge(translation) 

# 需要导入模块: from django.utils import _os [as 别名]
# 或者: from django.utils._os import upath [as 别名]
def load_backend(backend_name):
    """
    Return a database backend's "base" module given a fully qualified database
    backend name, or raise an error if it doesn't exist.
    """
    # This backend was renamed in Django 1.9.
    if backend_name == 'django.db.backends.postgresql_psycopg2':
        backend_name = 'django.db.backends.postgresql'

    try:
        return import_module('%s.base' % backend_name)
    except ImportError as e_user:
        # The database backend wasn't found. Display a helpful error message
        # listing all possible (built-in) database backends.
        backend_dir = os.path.join(os.path.dirname(upath(__file__)), 'backends')
        try:
            builtin_backends = [
                name for _, name, ispkg in pkgutil.iter_modules([npath(backend_dir)])
                if ispkg and name not in {'base', 'dummy', 'postgresql_psycopg2'}
            ]
        except EnvironmentError:
            builtin_backends = []
        if backend_name not in ['django.db.backends.%s' % b for b in
                                builtin_backends]:
            backend_reprs = map(repr, sorted(builtin_backends))
            error_msg = ("%r isn't an available database backend.\n"
                         "Try using 'django.db.backends.XXX', where XXX "
                         "is one of:\n    %s\nError was: %s" %
                         (backend_name, ", ".join(backend_reprs), e_user))
            raise ImproperlyConfigured(error_msg)
        else:
            # If there's some other error, this must be an error in Django
            raise