Find or install Julia
Project description
find_julia
This Python package provides functions for searching the file system for the path to a Julia executable or installing Julia if none is found. It is meant to be used by other Python projects that need to find a Julia installation. It also may be used interactively.
Install
pip install find_julia
Several locations are searched for Julia installations, including the default locations
used by jill.py
and
by juliaup
.
Examples
Simplest use
Find julia
In [1]: from find_julia import find
In [2]: find()
Out[2]: '/usr/bin/julia'
Find or install julia
In [1]: from find_julia import find_or_install
In [2]: find_or_install()
Out[2]: '/usr/bin/julia'
Function find
find(version_spec=None, check_exe=False, find_all=False, strict=False, env_var=None, no_dist=True)
Calling find()
will use reasonable defaults.
Parameters
env_var
: The environment variable to check for a julia path. If this variable is set and the exectuable satisfiesversion_spec
, then it will be preferred to all other paths. Default: "JULIA".version_spec
: A Julia compatibility version specification as a str or object. The returned executable must satisfy this specification. Default: "^1".strict
: IfTrue
then prerelease (development) versions will be excluded.check_exe
: IfTrue
then check that the path is a Julia by querying it for the version. Note that this has already been done for most Julias found when the version was extracted.find_all
: IfFalse
skip the locations that are slower to search. If no other exectuables are found, the slower locations may be searched anyway. The only slow location is the jill-installed location.no_dist
: bool IfTrue
exclude julia installed from linux distribution packages. These are usually broken. DefaultTrue
. This looks in/usr/bin/julia
and/usr/sbin/julia
.
Function find_or_install
find_or_install(version_spec=None, check_exe=False, find_all=False, strict=False,
answer_yes=False, post_question_hook=None,
env_var=None, no_dist=True)
Calling find_or_install()
will use reasonable defaults.
This function takes all the same parameters as does find
as well as the following.
Parameters
answer_yes
- ifTrue
, then ask no questions, assume answers are "yes".post_question_hook
- a function to run if and after the consumer is asked whether to install Julia. This can be used to ask and record more questions rather than waiting till after the download. Default: None
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