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cloud-fits-0.1.1


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توضیحات

Cloud Optimized Fits
ویژگی مقدار
سیستم عامل -
نام فایل cloud-fits-0.1.1
نام cloud-fits
نسخه کتابخانه 0.1.1
نگهدارنده []
ایمیل نگهدارنده []
نویسنده Joe Curtin <42@jbcurtin.io
ایمیل نویسنده cloud-fits@jbcurtin.io
آدرس صفحه اصلی https://github.com/jbcurtin/cloud-fits
آدرس اینترنتی https://pypi.org/project/cloud-fits/
مجوز MIT
# Cloud Optimized Fits `cloud-fits` provides the means to index large FITS files and have them served over HTTP(s) for efficient access. A scientist or team can index the FITS file-directory, then upload the file-directory to A Static Cloud Provider. Static Cloud Providers are Amazon WebServices, Google Cloud, Digital Ocean Spaces, or Microsoft Blob Storage. The FITS Cloud Index can than be checked into a Github Repository, shared, or uploaded to a Static Cloud Provider `cloud-fits` returns Astropy Datatypes as much as possible ## Lets index a FITS files and extract Metadata from it ### Accessing Data Registry of Open Data on AWS provides a bucket called `stpubdata`. It contains data uploaded from the [Transiting Exoplanet Survey Satellite](https://tess.mit.edu/). The type of data files we'll be working with in this tutorial are about 44GB. It'll cost about $1.05 to download and index one of these 352 files from the Registry. To save time and money, we'll only download one and index it ### Prerequisite Before we can download data off the Registry. Setup an AWS account and configure your credentials file. Then install `aws-cli` * https://aws.amazon.com/premiumsupport/knowledge-center/create-and-activate-aws-account/ * https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-files.html * https://pypi.org/project/awscli/ ### Tutorial Lets create our environment and download one data-file from the Registry ``` $ mkdir -p /tmp/tess-data $ cd /tmp/tess-data $ aws s3 cp s3://stpubdata/tess/public/mast/ . --recursive --exclude "*" --include "tess-s0022-4-4-cube.fits" --request-payer ``` With our data downloaded, its time to create a bucket that'll hold our FITS Cloud Index. In some cases, we might not have write access to the data we're indexing. In this case, we want to generate the index from a public data-set. Then well store the index in a Static Cloud Provider of our choosing. `cloud-fits` can then provide a Pythonic API augmenting this abstraction Lets create a bucket on AWS S3 and upload the index there ``` $ AWS_DEFAULT_REGION=us-east-1 aws s3api create-bucket --bucket tess-fits-cloud-index $ pip install cloud-fits -U $ cloud-fits-index --index-bucket-name tess-fits-cloud-index --fits-files-directory /tmp/tess-data/ --data-bucket-path s3://stpubdata/tess/public/mast ``` The arguments `--index-bucket-name` and `--fits-file-directory` are intended to be straight forward with the naming. `--data-bucket-path` is used to arugment the file-structure difference between `--fits-file-directory` and `--data-bucket-path`. For example, the data-cubes are located in `tess/public/mast`, but this data isn't captured in `--fits-file-directory`. So, `--data-bucket-path` was introduced to augment the paths used to download sections of the file Okay, great. We have everything we need. Now lets do some science. Start python and enter the following, ``` from cloud_fits.bucket_operations import download_index from cloud_fits.datatypes import FitsCloudIndex from pprint import pprint BUCKET_NAME: str = 'tess-fits-cloud-index' index: FitsCloudIndex = download_index(BUCKET_NAME) bintable_index = index.headers[2] print(bintable_index[0, 10]) ``` ### Feature Map * Amazon Web Services S3 * Pythonic API Refinement ( Planned Update ) * Remote Indexing for all Static Cloud Providers ( Planned Support ) * Digital Ocean Spaces ( Planned Support ) * Google Object Storage ( Planned Support ) * Microsoft Azure ( Planned Support ) ## Development and Deployment ### Building Docs Locally `build.sh` has a script that'll generate docs locally into `/tmp/docs`. The static HTML files can then be served from that directory using these commands ``` $ bash build.sh docs $ cd /tmp/docs $ python3 -m http.server ``` ### PYPI Automation `build.sh` has a script that'll generate the python wheel, sdist, and associated files. Then it'll upload it to PYPI or PYPI-Test according to how you invoke the `build.sh` file ``` $ bash build.sh publish-test ```


نیازمندی

مقدار نام
==2.23.0 requests
==5.1.2 PyYAML
==1.18.2 numpy
==4.0.1.post1 astropy


زبان مورد نیاز

مقدار نام
>=3.6 Python


نحوه نصب


نصب پکیج whl cloud-fits-0.1.1:

    pip install cloud-fits-0.1.1.whl


نصب پکیج tar.gz cloud-fits-0.1.1:

    pip install cloud-fits-0.1.1.tar.gz