import_utils

is_paddle_available() → bool

check if torch package is installed :returns: if torch is available :rtype: bool

is_torch_available() → bool

check if torch package is installed :returns: if torch is available :rtype: bool

is_package_available(package_name: str) → bool

check if the package is avaliable :param package_name: the installed package name :type package_name: str

Returns

the existence of installed package

Return type

bool

is_fast_tokenizer_available() → bool

check if fast_tokenizer ia avaliable :returns: if fast_tokenizer is avaliable :rtype: bool

is_transformers_available() → bool

check if transformers package is installed :returns: if transformers is available :rtype: bool

install_package(package_name: str, version: Optional[str] = None, module_name: Optional[str] = None, cache_dir: Optional[str] = None)

install the specific version of package

Parameters

• package_name (str) – the name of package

• version (str) – the version of package

• module_name (str) – the imported name of package

• cache_dir (str) – cache dir

uninstall_package(package_name: str, module_name: Optional[str] = None)

uninstall the pacakge from site-packages.

To remove the cache of source package module & class & method, it should:

1. remove the source files of packages under the site-packages dir.

2. remove the cache under the locals()

3. remove the cache under the sys.modules

Parameters

package_name (str) – the name of package

import_module(module_name: str) → Optional[Type]

import moudle base on the model :param module_name: the name of target module :type module_name: str