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33 changes: 32 additions & 1 deletion docs/modules/files.rst
Original file line number Diff line number Diff line change
@@ -1,6 +1,8 @@
API - Files
===================================

A collections of helper functions to work with dataset.
Load benchmark dataset, save and restore model, save and load variables.

.. automodule:: tensorlayer.files

Expand Down Expand Up @@ -50,6 +52,7 @@ API - Files

npz_to_W_pdf


Load dataset functions
------------------------

Expand Down Expand Up @@ -109,7 +112,7 @@ VOC 2007/2012
^^^^^^^^^^^^^^^^
.. autofunction:: load_voc_dataset

MPII
MPII
^^^^^^^^^^^^^^^^
.. autofunction:: load_mpii_pose_dataset

Expand Down Expand Up @@ -159,6 +162,34 @@ Load network from ckpt
Load and save variables
------------------------

TensorFlow provides ``.ckpt`` file format to save and restore the models, while
we suggest to use standard python file format ``.npz`` to save models for the
sake of cross-platform.

.. code-block:: python

## save model as .ckpt
saver = tf.train.Saver()
save_path = saver.save(sess, "model.ckpt")
# restore model from .ckpt
saver = tf.train.Saver()
saver.restore(sess, "model.ckpt")

## save model as .npz
tl.files.save_npz(network.all_params , name='model.npz')
# restore model from .npz (method 1)
load_params = tl.files.load_npz(name='model.npz')
tl.files.assign_params(sess, load_params, network)
# restore model from .npz (method 2)
tl.files.load_and_assign_npz(sess=sess, name='model.npz', network=network)

## you can assign the pre-trained parameters as follow
# 1st parameter
tl.files.assign_params(sess, [load_params[0]], network)
# the first three parameters
tl.files.assign_params(sess, load_params[:3], network)


Save variables as .npy
^^^^^^^^^^^^^^^^^^^^^^^^^
.. autofunction:: save_any_to_npy
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5 changes: 0 additions & 5 deletions tensorlayer/db.py
Original file line number Diff line number Diff line change
@@ -1,10 +1,5 @@
#! /usr/bin/python
# -*- coding: utf-8 -*-
"""
Experimental Database Management System.

Latest Version
"""

import inspect
import pickle
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34 changes: 1 addition & 33 deletions tensorlayer/files.py
Original file line number Diff line number Diff line change
@@ -1,36 +1,4 @@
# -*- coding: utf-8 -*-
"""
A collections of helper functions to work with dataset.

Load benchmark dataset, save and restore model, save and load variables.
TensorFlow provides ``.ckpt`` file format to save and restore the models, while
we suggest to use standard python file format ``.npz`` to save models for the
sake of cross-platform.

.. code-block:: python

## save model as .ckpt
saver = tf.train.Saver()
save_path = saver.save(sess, "model.ckpt")
# restore model from .ckpt
saver = tf.train.Saver()
saver.restore(sess, "model.ckpt")

## save model as .npz
tl.files.save_npz(network.all_params , name='model.npz')
# restore model from .npz (method 1)
load_params = tl.files.load_npz(name='model.npz')
tl.files.assign_params(sess, load_params, network)
# restore model from .npz (method 2)
tl.files.load_and_assign_npz(sess=sess, name='model.npz', network=network)

## you can assign the pre-trained parameters as follow
# 1st parameter
tl.files.assign_params(sess, [load_params[0]], network)
# the first three parameters
tl.files.assign_params(sess, load_params[:3], network)

"""

import gzip
import math
Expand Down Expand Up @@ -1345,7 +1313,7 @@ def load_mpii_pose_dataset(path='data', is_16_pos_only=False):
>>> import tensorlayer as tl
>>> img_train_list, ann_train_list, img_test_list, ann_test_list = tl.files.load_mpii_pose_dataset()
>>> image = tl.vis.read_image(img_train_list[0])
>>> tl.vis.draw_mpii_people_to_image(image, ann_train_list[0], 'image.png')
>>> tl.vis.draw_mpii_pose_to_image(image, ann_train_list[0], 'image.png')
>>> pprint.pprint(ann_train_list[0])

References
Expand Down
2 changes: 1 addition & 1 deletion tensorlayer/visualize.py
Original file line number Diff line number Diff line change
Expand Up @@ -247,7 +247,7 @@ def draw_mpii_pose_to_image(image, poses, save_name='image.png'):
>>> import tensorlayer as tl
>>> img_train_list, ann_train_list, img_test_list, ann_test_list = tl.files.load_mpii_pose_dataset()
>>> image = tl.vis.read_image(img_train_list[0])
>>> tl.vis.draw_mpii_people_to_image(image, ann_train_list[0], 'image.png')
>>> tl.vis.draw_mpii_pose_to_image(image, ann_train_list[0], 'image.png')
>>> pprint.pprint(ann_train_list[0])

References
Expand Down