[Windows] save TSNEEmbedding to binary, Directory error about opentsne

[dkobak]

Just as a sanity check, does the unpickling fail if you run pickle.load(f) in a separate Python session from pickle.dump(embedding, f)? So first do pickle dump, then exit Python, then start it again, and then do pickle load?

[huanhe4096]

Tried the above code on Windows 10 and it works without issue.

import pickle
import openTSNE
from openTSNE import TSNE
from sklearn import datasets
print(openTSNE.__version__)

iris = datasets.load_iris()
x, y = iris["data"], iris["target"]

embedding = TSNE().fit(x)

with open('iris.pkl', 'wb') as f:
    pickle.dump(embedding, f)

with open('iris.pkl', 'rb') as f:
    embedding = pickle.load(f)

y = embedding.transform(x)
print('y.shape:', y.shape)

And it shows:

1.0.1
y.shape: (150, 2)

My environment is as follows:

Python 3.11.5 | packaged by Anaconda, Inc. | (main, Sep 11 2023, 13:26:23) [MSC v.1916 64 bit (AMD64)] on win32

joblib==1.3.2
numpy==1.26.2      
openTSNE==1.0.1    
scikit-learn==1.3.2
scipy==1.11.4
threadpoolctl==3.2.0

Maybe it is fixed or caused by other factors?