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bob
bob.learn.tensorflow
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!37
Add a script to call tf.estimator.train_and_evaluate
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Add a script to call tf.estimator.train_and_evaluate
train_and_evaluate
into
master
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Amir MOHAMMADI
requested to merge
train_and_evaluate
into
master
7 years ago
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bob/learn/tensorflow/script/train_and_evaluate.py
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#!/usr/bin/env python
"""
Trains and evaluates a network using Tensorflow estimators.
This script calls the estimator.train_and_evaluate function. Please see:
https://www.tensorflow.org/api_docs/python/tf/estimator/train_and_evaluate
https://www.tensorflow.org/api_docs/python/tf/estimator/TrainSpec
https://www.tensorflow.org/api_docs/python/tf/estimator/EvalSpec
for more details.
Usage:
%(prog)s [-v...] [options] <config_files>...
%(prog)s --help
%(prog)s --version
Arguments:
<config_files> The configuration files. The
configuration files are loaded in order
and they need to have several objects
inside totally. See below for
explanation.
Options:
-h --help Show this help message and exit
--version Show version and exit
-v, --verbose Increases the output verbosity level
The configuration files should have the following objects totally:
## Required objects:
estimator
train_spec
eval_spec
"""
from
__future__
import
absolute_import
from
__future__
import
division
from
__future__
import
print_function
# import pkg_resources so that bob imports work properly:
import
pkg_resources
import
tensorflow
as
tf
from
bob.extension.config
import
load
as
read_config_file
from
bob.learn.tensorflow.utils.commandline
import
\
get_from_config_or_commandline
from
bob.core.log
import
setup
,
set_verbosity_level
logger
=
setup
(
__name__
)
def
main
(
argv
=
None
):
from
docopt
import
docopt
import
os
import
sys
docs
=
__doc__
%
{
'
prog
'
:
os
.
path
.
basename
(
sys
.
argv
[
0
])}
version
=
pkg_resources
.
require
(
'
bob.learn.tensorflow
'
)[
0
].
version
defaults
=
docopt
(
docs
,
argv
=
[
""
])
args
=
docopt
(
docs
,
argv
=
argv
,
version
=
version
)
config_files
=
args
[
'
<config_files>
'
]
config
=
read_config_file
(
config_files
)
# optional arguments
verbosity
=
get_from_config_or_commandline
(
config
,
'
verbose
'
,
args
,
defaults
)
# Sets-up logging
set_verbosity_level
(
logger
,
verbosity
)
# required arguments
estimator
=
config
.
estimator
train_spec
=
config
.
train_spec
eval_spec
=
config
.
eval_spec
# Train and evaluate
tf
.
estimator
.
train_and_evaluate
(
estimator
,
train_spec
,
eval_spec
)
if
__name__
==
'
__main__
'
:
main
()
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