tools/cr/cr/base/client.py
def Run(self, old_version, config):
    """Run the initialization hook.

    This is invoked once per init invocation.
    Args:
      old_version: The old version,
          0.0 if the old version was bad or missing,
          None if building a new output direcory.
      config: The mutable config that will be written.
    """
    raise NotImplementedError('Must be overridden.')
Run the initialization hook.

    This is invoked once per init invocation.
    Args:
      old_version: The old version,
          0.0 if the old version was bad or missing,
          None if building a new output direcory.
      config: The mutable config that will be written.
    
Run the initialization hook.
This is invoked once per init invocation.
Run the initialization hook . This is invoked once per init invocation .
def Run(self, old_version, config):
    raise NotImplementedError('Must be overridden.')
def Run ( self , old_version , config ) : raise NotImplementedError ( 'Must be overridden.' )
Run the initialization hook.
Run the initialization hook .
"""Run the initialization hook.

    This is invoked once per init invocation.
    Args:
      old_version: The old version,
          0.0 if the old version was bad or missing,
          None if building a new output direcory.
      config: The mutable config that will be written.
    """
self
old_version
The old version,
0.0 if the old version was bad or missing,
None if building a new output direcory.
The old version 0 . 0 if the old version was bad or missing None if building a new output direcory .
config
The mutable config that will be written.
The mutable config that will be written .