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 |
maximum_version |
The maximum version of python it should be.
Should be a string with major and minor number separated by a |
required_modules |
Which modules should be required.
Can use a single |
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
try(find_python_cmd())
try(find_python_cmd(minimum_version = "2.6", maximum_version = "2.7"))
try(find_python_cmd(required_modules = c("argparse", "json | simplejson")))