petersandersen

## TempVars.md

      
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                petersandersen
                / TempVars.md
            
            
              Last active
              June 23, 2023 09:43
                — forked from bskinn/TempVars.md
            
              
                Python context manager for scrubbing of temporary variables in Jupyter notebook cells
              
          
    Rationale
Spillover of temporary variables can be a significant annoyance when working with Jupyter notebooks.
Aesthetically and logistically, it's bothersome to have a del var1, var2, var3 hanging around at the bottom
of a notebook cell to take care of cleanup of these temp variables.  It prevents a Ctrl+End
from going to the end of relevant code, and if an Exception is raised in the course of code execution
the del cleanup doesn't happen.
A short content manager class takes care of these various problems:
when execution leaves the with suite, even due to a raised exception, the indicated variables are deleted.

  
## preproc.py
# (C) Kyle Kastner, June 2014
# License: BSD 3 clause

from sklearn.base import BaseEstimator, TransformerMixin
from sklearn.utils import gen_batches
from scipy.linalg import eigh
from scipy.linalg import svd
import numpy as np

# From sklearn master
	# (C) Kyle Kastner, June 2014
	# License: BSD 3 clause

	from sklearn.base import BaseEstimator, TransformerMixin
	from sklearn.utils import gen_batches
	from scipy.linalg import eigh
	from scipy.linalg import svd
	import numpy as np

	# From sklearn master