#
# Copyright (C) 2010-2017 Samuel Abels
# The MIT License (MIT)
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files
# (the "Software"), to deal in the Software without restriction,
# including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software,
# and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
import os
import time
import sys
from subprocess import Popen, PIPE, STDOUT
from Exscript.stdlib.util import secure_function
[docs]def env(scope, varname):
"""
Returns the value of the environment variable with the given
name.
:type varnames: string
:param varnames: A variable name.
"""
return [os.environ.get(varname[0], '')]
[docs]def execute(scope, command):
"""
Executes the given command locally.
:type command: string
:param command: A shell command.
"""
process = Popen(command[0],
shell=True,
stdin=PIPE,
stdout=PIPE,
stderr=STDOUT,
close_fds=True)
scope.define(__response__=process.stdout.read())
return True
[docs]@secure_function
def message(scope, string):
"""
Writes the given string to stdout.
:type string: string
:param string: A string, or a list of strings.
"""
sys.stdout.write(''.join(string) + '\n')
return True
[docs]@secure_function
def wait(scope, seconds):
"""
Waits for the given number of seconds.
:type seconds: int
:param seconds: The wait time in seconds.
"""
time.sleep(int(seconds[0]))
return True