find_python_cmd {findpython}R Documentation

Find a suitable python cmd or give error if not possible

Description

find_python_cmd finds a suitable python cmd or raises an error if not possible

Usage

find_python_cmd(minimum_version = NULL, maximum_version = NULL,
  required_modules = NULL, error_message = NULL)

Arguments

minimum_version

The minimum version of python it should be. Should be a string with major and minor number separated by a '.'. If left NULL won't impose such a restriction.

maximum_version

The maximum version of python it should be. Should be a string with major and minor number separated by a '.'. If left NULL won't impose such a restriction.

required_modules

Which modules should be required. Can use a single "|" to represent a single either-or requirement like "json|simplejson". If left NULL won't impose such a restriction.

error_message

What error message the user will see if couldn't find a sufficient python binary. If left NULL will print out a default message.

Value

The path to an appropriate python binary. If such a path wasn't found then it will throw an error.

See Also

can_find_python_cmd for a wrapper which doesn't throw an error

Examples

     ## Not run: 
             find_python_cmd()
             find_python_cmd(minimum_version='2.6', maximum_version='2.7')
             find_python_cmd(required_modules = c('argparse', 'json | simplejson'))
     
## End(Not run)

[Package findpython version 1.0.2 Index]