Source code for tensorpack.models.utils

# -*- coding: utf-8 -*-
# File:

import six

[docs]class VariableHolder(object): """ A proxy to access variables defined in a layer. """
[docs] def __init__(self, **kwargs): """ Args: kwargs: {name:variable} """ self._vars = {} for k, v in six.iteritems(kwargs): self._add_variable(k, v)
def _add_variable(self, name, var): assert name not in self._vars self._vars[name] = var def __setattr__(self, name, var): if not name.startswith('_'): self._add_variable(name, var) else: # private attributes super(VariableHolder, self).__setattr__(name, var) def __getattr__(self, name): return self._vars[name]
[docs] def all(self): """ Returns: list of all variables """ return list(six.itervalues(self._vars))
try: # When BN is used as an activation, keras layers try to autograph.convert it # This leads to massive warnings so we disable it. from tensorflow.python.autograph.impl.api import do_not_convert as disable_autograph except ImportError: def disable_autograph(): return lambda x: x