pickling | Fast , customizable , boilerplate-free pickling support | Serialization library
kandi X-RAY | pickling Summary
kandi X-RAY | pickling Summary
Scala Pickling is available on Sonatype for Scala 2.10 and Scala 2.11! You can use Scala Pickling in your sbt project by simply adding the following dependency to your build file:. Please, don’t use the version 0.11.0-M1 since it’s not production ready and it’s still under ongoing development.
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QUESTION
I want to save a Tensorflow model and then later use it for deployment purposes. I dont want to use model.save()
to save it because my purpose is to somehow 'pickle' it and use it in a different system where tensorflow is not installed, like:
ANSWER
Answered 2022-Mar-16 at 07:12Using joblib
seems to work on TF
2.8 and since you have a very simple model, you can train it on Google Colab and then just use the pickled file on your other system:
QUESTION
import pickle
class Foo:
x = "Cannot be pickled"
def __init__(self, a):
self.a = a
hello = Foo(a = 10)
with open("foo.pickle", "wb") as f:
pickle.dump(hello, f)
with open("foo.pickle", "rb") as f:
world = pickle.load(f)
print(f"world.a: {world.a}, world.x: {world.x}")
...ANSWER
Answered 2022-Mar-03 at 18:51Save it as one.py
QUESTION
I need to pickle a dict, then Base64 encode this before transporting the data via an API call..
The receiver should decode the Base64 data and the pickle load it back in to a proper dict.
Issue is that it fails on the decoding of it, it doesn't seem to be the same binary data after Decode the Base64 data, hence the Pickle fails.
What am I missing?
...ANSWER
Answered 2022-Mar-03 at 16:56Call data.decode()
or the equivalent str(data, encoding='utf-8')
to convert the bytes to a valid base64-encoded string:
QUESTION
For me what I do is detect what is unpickable and make it into a string (I guess I could have deleted it too but then it will falsely tell me that field didn't exist but I'd rather have it exist but be a string). But I wanted to know if there was a less hacky more official way to do this.
Current code I use:
...ANSWER
Answered 2022-Jan-19 at 22:30Yes, a try/except
is the best way to go about this.
Per the docs, pickle
is capable of recursively pickling objects, that is to say, if you have a list of objects that are pickleable, it will pickle all objects inside of that list if you attempt to pickle that list. This means that you cannot feasibly test to see if an object is pickleable without pickling it. Because of that, your structure of:
QUESTION
I'm writing a Dataflow pipeline using Apache beam to add large batches of rows of data to Bigtable.
apache-beam==2.24.0
google-cloud-bigtable==2.4.0
I have the following method used in my pipeline to create the Bigtable row(s) prior to writing to Bigtable:
...ANSWER
Answered 2021-Dec-09 at 05:18Your google-cloud-bigtable version is too high.
There is some movement in updating apache-beam dependencies here
They have the same issue. Can you roll back your bigtable version to something before 2? If you run this:
QUESTION
I am currently working on setting up a pipeline in Amazon Sagemaker. For that I set up an xgboost-estimator and trained it on my dataset. The training job runs as expected and the freshly trained model is saved to the specified output bucket. Later I want to reimport the model, which is done by getting the mode.tar.gz from the output bucket, extracting the model and serializing the binary via pickle.
...ANSWER
Answered 2021-Sep-24 at 10:32The issue rooted in the model version used for the xgboost framework. from 1.3.0 on the default output changed from pickle to json and the sagemaker documentation does not seem to have been updated accordingly. So if you want to read the model via
QUESTION
I am using sphinx for documentation. When I am using "make confluence", I am getting the below warnings from the index.rst file.
How can I remove these warnings? Also, Table of content is not working in confluence due to these warning but the documentation is getting created in the code.
Any suggestion/help will be highly appreciable.
...ANSWER
Answered 2021-Oct-28 at 05:22I'm not sure if this will help, but your reStructuredText has random indentation and mismatched heading underline lengths. White space matters in reStructuredText. Try cleaning it up, like so:
QUESTION
I want to write a wrapper for calling CPU-demanding functions in asyncio.
I want it to be used like this:
...ANSWER
Answered 2021-Nov-17 at 14:54Maybe the original function and the wrapped one not having the same id is the problem?
In a way, yes. Before the function is sent to the target process it's pickled, which fails in your case, because the func
object in the decorator's scope is different from the fact
object in your main module, after rebinding by the decorator.
Look at this and this question for some background.
Based on these answers I created an example on how what you want can be achieved.
The trick is to create a picklable "runner" function, that the target process can use to look up your orginal function from some sort of registry (e.g. a dict...) and run it. This is of course just an example. You will probably not want to create your ProcessPoolExecutor
in the decorator.
QUESTION
I conceptually want to do something easy: save a python object that I can access from another (different) program later.
But the problem is that is has a wrapper around it (the f(x) below) that is not being referenced in new environments.
After spending a whole 12 hours, I feel even more confused than when I started. I think "pickle"-ing or "dill" etc... is what I am supposed to do. But I am running up against the pickling problem. But reading online is getting me no where. (btw, i tried shap.save but it is having the same realm of problems and uses pickle anyways).
...ANSWER
Answered 2021-Nov-03 at 05:52Usually, in any of programming language, you don't save the object but instead, you save the attributes of an object into a file. Then you should make a function to read the file and fill the value into your object. You can make your object into an installable package and import the package as an object into your program.
QUESTION
I have a Flask app and I'm using Celery(v5.1.2) with SQLAlchemy to run background tasks with my worker.
This is how I am creating my Celery worker...
...ANSWER
Answered 2021-Oct-25 at 03:28In its default backend, celery uses a BLOB
column to store its result in the celery_taskmeta
table which is limited to 64K in mysql. Somewhere in your celery logs you're probably also seeing a truncation warning from mysql when the result is being written to that table.
The celery result isn't really intended for passing around large files, but more just to hold some minimal details about the result of your task.
You don't give many details about your use case, but generally writing such a large binary blob to your database is a smell, or at least a headache waiting to happen some day.
A decent workaround would be to write the file to the file system or upload it to your favorite elastic storage area then return the file name in the task's result. The concern there would be to make sure your worker node has access to the same file system as the node that needs the result.
You might also be able to get away with altering the celery_taskmeta
table to allow a MEDIUMBLOB
or LONGBLOB
to be stored in the table, but my instincts are that you'll eventually wish you weren't storing the files in the RDBMS anyway. You'll have to make sure that alteration is made every time you deploy your application from scratch.
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