Hi Jake!

Please reduce size of gif embedded to README because now it is so large that Chrome on Android crashes when I try to open the repository page. As far as I understand that's because it decompresses all frames to RAM, so their total size becomes larger than available memory.

Maybe it is better to just use a static screenshot with a link to a video on YouTube?

The server side shows that a client was connected after I run the keras example

And the keras run as following:

But I can not find the plot in my website:

The hera config code pasted as below: herasCallback = HeraCallback( 'model-key', 'localhost', 4000 ) model.fit(X_train, Y_train, batch_size=batch_size, nb_epoch=nb_epoch, verbose=1, validation_data=(X_test, Y_test), callbacks=[herasCallback])

What's wrong with me? Please could you kindly give me some information. Many thanks

Hi Jake, first all of thank you for your work - I was looking for something like this for quite some time. Good stuff!

However, I am running into a problem when running my model, the error is server-side: Error: request entity too large at readStream (/home/marko/projects/hera/server/node_modules/raw-body/index.js:196:17) at getRawBody (/home/marko/projects/hera/server/node_modules/raw-body/index.js:106:12) at read (/home/marko/projects/hera/server/node_modules/body-parser/lib/read.js:76:3) at jsonParser (/home/marko/projects/hera/server/node_modules/body-parser/lib/types/json.js:127:5) at Layer.handle [as handle_request] (/home/marko/projects/hera/server/node_modules/express/lib/router/layer.js:95:5) at trim_prefix (/home/marko/projects/hera/server/node_modules/express/lib/router/index.js:312:13) at /home/marko/projects/hera/server/node_modules/express/lib/router/index.js:280:7 at Function.process_params (/home/marko/projects/hera/server/node_modules/express/lib/router/index.js:330:12) at next (/home/marko/projects/hera/server/node_modules/express/lib/router/index.js:271:10) at expressInit (/home/marko/projects/hera/server/node_modules/express/lib/middleware/init.js:33:5)

I tried increasing request body size limit in server/src/server.js app.use(bodyParser.json({limit: '500mb'}));, but it didn't help.

If it helps, this only happens if I fit a model with validation split/data included, and this error happens only in validation phase (during traning there are no errors),

Thank you for looking into this! Best regards, Marko

Using Python 3.4.3 on an ubuntu 14.04 docker, When using the heraspy library gives an indentations error

  File "train.py", line 26, in <module>
    from heraspy.model import HeraModel
  File "/usr/local/lib/python3.4/dist-packages/heraspy/model.py", line 1, in <module>
    from heraspy.callback import HeraCallback
  File "/usr/local/lib/python3.4/dist-packages/heraspy/callback.py", line 103
    from keras import backend as K
    ^

I tried training a model with this on Python 3 and it crashed when the first epoch ended (and it was a long epoch too!) saying name 'reduce' is not defined in callback.py. It seems like this was already fixed with https://github.com/jakebian/hera/commit/62a0583c88202cc3c78ce013a351d4548efd068c, however.

Any chance heraspy could be updated on PyPI?

I'm getting an error from the following code -- any idea what's going on?

import numpy as np

from keras.models import Sequential
from keras.layers import Dense

from heraspy.model import HeraModel
hera_model = HeraModel({'id': 'my-model'}, {'domain': 'localhost', 'port': 4000})

X = np.random.uniform(0, 1, (100000, 100))
y = np.random.choice((0, 1), 100000)

model = Sequential()
model.add(Dense(1, input_shape=(100,)))
model.compile(loss='binary_crossentropy', optimizer='rmsprop', metrics=['accuracy'])

model.fit(X, y, verbose=True, callbacks=[hera_model])

(I'm running keras version 1.0.5)

Thanks Ben

I'm certainly no expert on python packaging, but it seems like the pip package is not installing its dependencies (requests, socketIO-client). I had to install them manually.

$ pip3 show heraspy

---
Metadata-Version: 2.0
Name: heraspy
Version: 0.0
Summary: Keras data extraction callbacks
Home-page: UNKNOWN
Author: Jake Bian
Author-email: [email protected]
Installer: pip
License: wtfpl
Location: /usr/lib/python3.4/site-packages
Requires: 
Classifiers:

I'm getting the following error when running npm start in the client folder:

ERROR in ./src/components/Model/index.js
Module not found: Error: Cannot resolve module 'jquery' in /home/max/hera/client/src/components/Model
 @ ./src/components/Model/index.js 35:14-31
Child html-webpack-plugin for "index.html":
         Asset    Size  Chunks       Chunk Names
    index.html  553 kB       0       
webpack: bundle is now VALID.

After I "from heraspy.model import HeraModel", I always get the following error. File "/usr/local/lib/python2.7/dist-packages/heraspy/callback.py", line 103 from keras import backend as K ^ IndentationError: expected an indented block

Please update this project. It is unclear if the initialization syntax presently works: HeraCallback vs. HeraModel. Also with HeraCallback I get syntax errors from callback.py. I'm running in python3.5.

When try to import HeraCallback get this error

from heraspy.model import HeraModel Traceback (most recent call last): File "C:\Program Files\Anaconda3\lib\site-packages\IPython\core\interactiveshell.py", line 2881, in run_code exec(code_obj, self.user_global_ns, self.user_ns) File "<ipython-input-13-0afb57adc2e7>", line 1, in <module> from heraspy.model import HeraModel File "C:\Program Files\JetBrains\PyCharm Community Edition 2017.1.1\helpers\pydev\_pydev_bundle\pydev_import_hook.py", line 21, in do_import module = self._system_import(name, *args, **kwargs) File "C:\Program Files\Anaconda3\lib\site-packages\heraspy\model.py", line 1, in <module> from heraspy.callback import HeraCallback File "C:\Program Files\JetBrains\PyCharm Community Edition 2017.1.1\helpers\pydev\_pydev_bundle\pydev_import_hook.py", line 21, in do_import module = self._system_import(name, *args, **kwargs) File "C:\Program Files\Anaconda3\lib\site-packages\heraspy\callback.py", line 20, in <module> raise TypeError('Not JSON Serializable') TypeError: Not JSON Serializable

I'm on the current master (the release pip version failed on import), trying to define a callback. Trying to imitate the example in readme.md didn't work out:

hera = HeraCallback('bla', 'localhost', '4000')

...

/Users/olevinkr/anaconda/lib/python2.7/site-packages/sklearn/model_selection/_validation.pyc in cross_val_score(estimator, X, y, groups, scoring, cv, n_jobs, verbose, fit_params, pre_dispatch)
    138                                               train, test, verbose, None,
    139                                               fit_params)
--> 140                       for train, test in cv_iter)
    141     return np.array(scores)[:, 0]
    142

/Users/olevinkr/anaconda/lib/python2.7/site-packages/sklearn/externals/joblib/parallel.pyc in __call__(self, iterable)
    756             # was dispatched. In particular this covers the edge
    757             # case of Parallel used with an exhausted iterator.
--> 758             while self.dispatch_one_batch(iterator):
    759                 self._iterating = True
    760             else:

/Users/olevinkr/anaconda/lib/python2.7/site-packages/sklearn/externals/joblib/parallel.pyc in dispatch_one_batch(self, iterator)
    606                 return False
    607             else:
--> 608                 self._dispatch(tasks)
    609                 return True
    610

/Users/olevinkr/anaconda/lib/python2.7/site-packages/sklearn/externals/joblib/parallel.pyc in _dispatch(self, batch)
    569         dispatch_timestamp = time.time()
    570         cb = BatchCompletionCallBack(dispatch_timestamp, len(batch), self)
--> 571         job = self._backend.apply_async(batch, callback=cb)
    572         self._jobs.append(job)
    573

/Users/olevinkr/anaconda/lib/python2.7/site-packages/sklearn/externals/joblib/_parallel_backends.pyc in apply_async(self, func, callback)
    107     def apply_async(self, func, callback=None):
    108         """Schedule a func to be run"""
--> 109         result = ImmediateResult(func)
    110         if callback:
    111             callback(result)

/Users/olevinkr/anaconda/lib/python2.7/site-packages/sklearn/externals/joblib/_parallel_backends.pyc in __init__(self, batch)
    324         # Don't delay the application, to avoid keeping the input
    325         # arguments in memory
--> 326         self.results = batch()
    327
    328     def get(self):

/Users/olevinkr/anaconda/lib/python2.7/site-packages/sklearn/externals/joblib/parallel.pyc in __call__(self)
    129
    130     def __call__(self):
--> 131         return [func(*args, **kwargs) for func, args, kwargs in self.items]
    132
    133     def __len__(self):

/Users/olevinkr/anaconda/lib/python2.7/site-packages/sklearn/model_selection/_validation.pyc in _fit_and_score(estimator, X, y, scorer, train, test, verbose, parameters, fit_params, return_train_score, return_parameters, return_n_test_samples, return_times, error_score)
    236             estimator.fit(X_train, **fit_params)
    237         else:
--> 238             estimator.fit(X_train, y_train, **fit_params)
    239
    240     except Exception as e:

/Users/olevinkr/anaconda/lib/python2.7/site-packages/keras/wrappers/scikit_learn.pyc in fit(self, X, y, **kwargs)
    146         fit_args.update(kwargs)
    147
--> 148         history = self.model.fit(X, y, **fit_args)
    149
    150         return history

/Users/olevinkr/anaconda/lib/python2.7/site-packages/keras/models.pyc in fit(self, x, y, batch_size, nb_epoch, verbose, callbacks, validation_split, validation_data, shuffle, class_weight, sample_weight, **kwargs)
    650                               shuffle=shuffle,
    651                               class_weight=class_weight,
--> 652                               sample_weight=sample_weight)
    653
    654     def evaluate(self, x, y, batch_size=32, verbose=1,

/Users/olevinkr/anaconda/lib/python2.7/site-packages/keras/engine/training.pyc in fit(self, x, y, batch_size, nb_epoch, verbose, callbacks, validation_split, validation_data, shuffle, class_weight, sample_weight, initial_epoch)
   1109                               val_f=val_f, val_ins=val_ins, shuffle=shuffle,
   1110                               callback_metrics=callback_metrics,
-> 1111                               initial_epoch=initial_epoch)
   1112
   1113     def evaluate(self, x, y, batch_size=32, verbose=1, sample_weight=None):

/Users/olevinkr/anaconda/lib/python2.7/site-packages/keras/engine/training.pyc in _fit_loop(self, f, ins, out_labels, batch_size, nb_epoch, verbose, callbacks, val_f, val_ins, shuffle, callback_metrics, initial_epoch)
    795             'metrics': callback_metrics,
    796         })
--> 797         callbacks.on_train_begin()
    798         callback_model.stop_training = False
    799         self.validation_data = val_ins

/Users/olevinkr/anaconda/lib/python2.7/site-packages/keras/callbacks.pyc in on_train_begin(self, logs)
     72     def on_train_begin(self, logs={}):
     73         for callback in self.callbacks:
---> 74             callback.on_train_begin(logs)
     75
     76     def on_train_end(self, logs={}):

/Users/olevinkr/anaconda/lib/python2.7/site-packages/heraspy/callback.pyc in on_train_begin(self, *args)
     37             {
     38                 'params': self.params,
---> 39                 'modelJson': json.loads(self.model.to_json()),
     40             }
     41         )

TypeError: 'str' object is not callable

I got the following error when I run the client inside a docker:

npm WARN optional Skipping failed optional dependency /chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture: [email protected]
npm WARN [email protected] requires a peer of eslint@^2.0.0-rc.0 but none was installed.
npm WARN [email protected] requires a peer of eslint@^2.1.0 but none was installed.
npm WARN [email protected] requires a peer of eslint@^2.1.0 but none was installed.
npm ERR! Linux 3.16.0-76-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "install"
npm ERR! node v4.2.6
npm ERR! npm  v3.5.2
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn

npm ERR! [email protected] install: `node-gyp rebuild`
npm ERR! spawn ENOENT
npm ERR! 
npm ERR! Failed at the [email protected] install script 'node-gyp rebuild'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the contextify package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node-gyp rebuild
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs contextify
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls contextify
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /root/hera/client/npm-debug.log

I used ubuntu 16.04 and installed the required packages via:

apt install python-pip git nodejs npm