!tensorboard --logdir= ^ SyntaxError: invalid syntax

Question

I am new to tensorflow and I am learning it using a book called Deep Learning with Applications Using Python Chatbots and Face, Object,and Speech Recognition With TensorFlow and Keras.

On Chapter 1 page 6, there are lines of code:

And I typed the codes showed in the book exactly,

# Tensorboard can be used. It is optionalmy_
# Output graph can be seen on tensorboard
import os
merged = tf.summary.merge_all(key='summaries')
if not os.path.exists('tensorboard_logs/'):
    os.makedirs('tenosrboard_logs/')

my_writer = tf.summary.FileWriter('/home/manaswi/tenosrboard_logs/', sess.graph)

def TB(cleanup=False):
    import webbrowser
    webbrowser.open('http://127.0.1.1:6006')
    !tensorboard --logdir='/home/manaswi/tenosrboard_logs'

    if cleanup:
        !rm -R tensorboard_logs/


TB(1)   # Launch graph on tensorboard on your browser

But I get a syntax error when I run this code.

  File "c1_demo.py", line 26
    !tensorboard --logdir='/home/manaswi/tenosrboard_logs'
    ^
SyntaxError: invalid syntax

Am I doing something wrong or is the code problem.

Lau · Accepted Answer · 2018-06-12 10:59:51Z

2

The code of your book is written in a jupyter notebook and a special function of the jupyter notebook (jupyter magiv) is that the ! command executes a command in the console.

If you use another IDE use this function instead:

def TB(cleanup=False):
    import webbrowser
    os.system(tensorboard --logdir='/home/manaswi/tenosrboard_logs')
    webbrowser.open('http://127.0.1.1:6006')

And two additional things:

It is better to make your imports at the beginning of the code in case something went wrong
Tensorobard need a little bit time to start, so it is better to first create the the tensorboard and then open it

answered Jun 12, 2018 at 10:59

Lau

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