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esc / bench.py
Last active December 15, 2015 21:29
Benchmarking two techniques for compressing numpy arrays with python-blosc.
""" Benchmarking two techniques for compressing numpy arrays with python-blosc.
"""
import numpy
import numpy.random
import time
import blosc
import blosc.blosc_extension as ext
@esc
esc / gist:5470837
Created April 26, 2013 22:20
Zsh zle widget for git commit
gc () {
LBUFFER="git commit -m \""
RBUFFER="\""
}
zle -N gc gc
bindkey '^gc' gc
alias gib="git branch"
alias branch="git branch"
alias gil="git log"
# log is a zsh builtin
alias gid="git diff"
alias gidc="git diff --cached"
alias giw="git wdiff"
# diff is a unix utility
alias gis="git status --ignored"
alias status="git status"
@esc
esc / gist:6403489
Last active December 22, 2015 02:28
[color]
ui = auto
branch = auto
diff = auto
status = auto
[core]
excludesfile = ~/.gitignore
whitespace = trailing-space,space-before-tab,cr-at-eol
abbrev = 10
[merge]
@esc
esc / notes.rst
Created September 25, 2013 18:04
Git server side software.
@esc
esc / expose_moto_bug.py
Last active September 29, 2016 08:39
Expose a bug in moto EC2 tag filtering
import boto3
import moto
@moto.mock_ec2
def expose():
ec2 = boto3.resource('ec2')
blue, green = ec2.create_instances(
ImageId='ANY_ID', MinCount=2, MaxCount=2)
ec2.create_tags(Resources=[blue.instance_id],
@esc
esc / gulpio_reading_example.py
Last active September 8, 2017 11:52
GulpIO Blogpost Reading Example
# import the main interface for reading
from gulpio import GulpDirectory
# instantiate the GulpDirectory
gulp_directory = GulpDirectory('/tmp/something_something_gulps')
# iterate over all chunks
for chunk in gulp_directory:
# for each 'video' get the metadata and all frames
for frames, meta in chunk:
# do something with the metadata
for i, f in enumerate(frames):
@esc
esc / gulpio_dataloader_example.py
Created September 8, 2017 11:54
GulpIO Blogpost Dataloader Example
from gulpio.dataset import GulpImageDataset
from gulpio.loader import DataLoader
from gulpio.transforms import Scale, CenterCrop, Compose, UnitNorm
# define data augmentations. Notice that there are different functions for videos and images
transforms = Compose([
Scale(28), # resize image by the shortest edge
CenterCrop(28),
UnitNorm(), # instance wise mean and std norm
])
@esc
esc / gulpio_ingestor_example.py
Last active September 8, 2017 11:59
GulpIO Blogpost Ingestor Example
adapter = Custom20BNCsvJpegAdapter(input_csv, jpeg_path, output_folder,
shuffle=shuffle,
frame_size=img_size,
shm_dir_path=shm_dir
)
ingestor = GulpIngestor(adapter, output_folder, videos_per_chunk,
num_workers=num_workers)
ingestor()
@esc
esc / gulpio_adapter_example.py
Last active September 8, 2017 12:00
GulpIO Blogpost Adapter
class AbstractDatasetAdapter(ABC):
""" Base class adapter for gulping (video) datasets.
Inherit from this class and implement the `iter_data` method. This method
should iterate over your entire dataset and for each element return a
dictionary with the following fields:
id : a unique(?) ID for the element.
frames : a list of frames (PIL images, numpy arrays..)
meta : a dictionary with arbitrary metadata (labels, start_time...)
For examples, see the custom adapters below.
"""