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Return the name of the distribution the module is running on
:rtype: NativeString or None
:returns: Name of the distribution the module is running on
This function attempts to determine what Linux distribution the code is running on and return
a string representing that value. If the distribution cannot be determined, it returns
``OtherLinux``. If not run on Linux it returns None.
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Get the version of the Linux distribution the code is running on
:rtype: NativeString or None
:returns: A string representation of the version of the distribution. If it cannot determine
the version, it returns empty string. If this is not run on a Linux machine it returns None
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Return the code name for this Linux Distribution
:rtype: NativeString or None
:returns: A string representation of the distribution's codename or None if not a Linux distro
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Finds a subclass implementing desired functionality on the platform the code is running on
:arg cls: Class to find an appropriate subclass for
:returns: A class that implements the functionality on this platform
Some Ansible modules have different implementations depending on the platform they run on. This
function is used to select between the various implementations and choose one. You can look at
the implementation of the Ansible :ref:`User module<user_module>` module for an example of how to use this.
This function replaces ``basic.load_platform_subclass()``. When you port code, you need to
change the callers to be explicit about instantiating the class. For instance, code in the
Ansible User module changed from::
.. code-block:: python
# Old
class User:
def __new__(cls, args, kwargs):
return load_platform_subclass(User, args, kwargs)
# New
class User:
def __new__(cls, args, kwargs):
new_cls = get_platform_subclass(User)
return super(cls, new_cls).__new__(new_cls, args, kwargs)
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