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https://github.com/alfred82santa/sparpy

Sparpy: A spark entry point for python
https://github.com/alfred82santa/sparpy

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Sparpy: A spark entry point for python

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=====================================
Sparpy: A Spark entrypoint for Python
=====================================

---------
Changelog
---------

......
v0.5.5
......

* Added `--proxy` option in order to set a proxy to access to Python packages repositories.

......
v0.5.4
......

* Added `plugin-env` section on configuration file in order to be able to set environment
variables on plugin download process.

* Added `--plugin-env` option (and its environment variable associated `SPARPY_PLUGIN_ENVVARS`)
in order to set environment variables on plugin download process. It could be necessary on some cases
using conda environments.

* Added environment variable `SPARPY_CONFIG` for option `--config`.
* Added environment variable `SPARPY_DEBUG` for option `--debug`.

......
v0.5.3
......

* Fix isparpy.

......
v0.5.2
......

* Fix ignoring all packages when exclude packages list is empty.

......
v0.5.1
......

* Fix Python package regex.
* Fix download script.

......
v0.5.0
......

* Added `--exclude-python-packages` option in order to exclude python packages.
* Better parsing plugins names.
* Added `--exclude-packages` option in order to exclude spark packages.

......
v0.4.5
......

* Fix isparpy entrypoint. Allows `--class` parameter.
* Allow to set constraints files.

......
v0.4.4
......

* Don't set `master` and `deploy_mode` default values.

......
v0.4.3
......

* Fix sparpy-submit entrypoint.
* Fix `--property-file` option.
* Fix `--class` option.

......
v0.4.2
......

* Able to use environment variables for the most of options.

......
v0.4.1
......

* Support to set pip options as configuration using `--conf sparpy.config-key=value` in order to allow to
use `sparpy-submit` in EMR-on-EKS images.

* Allows `--class` in order to allow to use `sparpy-submit` in EMR-on-EKS images.
* Allows `--property-file` in order to allow to use `sparpy-submit` in EMR-on-EKS images.

......
v0.4.0
......

* Added `--pre` option in order to allow pre-release packages.
* Added `--env` option in order to set environment variables for spark process.
* Added `spark-env` config section in order to set environment variables for spark process.
* Write pip output when it fails.
* Fixed problems with interactive sparpy.
* Fixed `no-self` option in config file.

* Allow to use plugins that don't use `click`. They must be callable with one argument of type `Sequence[str]`
in order to pass arguments to it.

* Added `--version` option in order to print sparpy version.
* Fixed error when a plugin requires a package which is already installed but version does not satisfy requirement.
* `Sparpy` does not print error traceback when subprocess fails.

......
v0.3.0
......

* Enable `--force-download` option.
* Added `--find-links` option in order to use a directory as package repository.
* Added `--no-index` option in order to avoid to use external package repositories.
* Added `--queue` option in order to set yarn queue.
* Ensure driver's python executable is same python as `sparpy`.
* Added new entry point `sparpy-download` just to download packages to specific directory.
* Added new entry point `isparpy` in order to start an interactive session.

......
v0.2.1
......

* Force `pyspark` python executable to same as `sparpy`.
* Fix unrecognized options.
* Fix default configuration file names.

......
v0.2.0
......

* Added configuration file option.
* Added `--debug` option.

----------------------------
How to build a Sparpy plugin
----------------------------

On package `setup.py` an entry point should be configured for Sparpy:

.. code-block:: python

setup(
name='yourpackage',
...

entry_points={
...
'sparpy.cli_plugins': [
'my_command_1=yourpackage.module:command_1',
'my_command_2=yourpackage.module:command_2',
]
}
)

.. note::

Avoid to use PySpark as requirement in order to not download package from pypi.

-------
Install
-------

It must be installed on a Spark edge node.

.. code-block:: bash

$ pip install sparpy[base]

----------
How to use
----------

Using default Spark submit parameters:

.. code-block:: bash

$ sparpy --plugin "mypackage>=0.1" my_plugin_command --myparam 1

-------------------
Configuration files
-------------------

`sparpy` and `sparpu-submit` accept the parameter `--config` that allow to set a configuration file. If it is not set
it will try to use configuration file `$HOME/.sparpyrc`. It if does not exist it will try to use `/etc/sparpy.conf`.

Format:

.. code-block:: ini

[spark]

master=yarn
deploy-mode=client

queue=my_queue

spark-executable=/path/to/my-spark-submit
conf=
spark.conf.1=value1
spark.conf.2=value2

packages=
maven:package_1:0.1.1
maven:package_2:0.6.1

repositories=
https://my-maven-repository-1.com/mvn
https://my-maven-repository-2.com/mvn

reqs_paths=
/path/to/dir/with/python/packages_1
/path/to/dir/with/python/packages_2

[spark-env]

MY_ENV_VAR=value

[plugins]

extra-index-urls=
https://my-pypi-repository-1.com/simple
https://my-pypi-repository-2.com/simple

cache-dir=/path/to/cache/dir

plugins=
my-package1
my-package2==0.1.2

requirements-files=
/path/to/requirement-1.txt
/path/to/requirement-2.txt

find-links=
/path/to/directory/with/packages_1
/path/to/directory/with/packages_2

download-dir-prefix=my_prefix_

no-index=false
no-self=false
force-download=true

[plugin-env]

MY_ENV_VAR=value

[interactive]

pyspark-executable=/path/to/pyspark
python-interactive-driver=/path/to/interactive/driver