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# -*- coding: utf-8 -*-
# Copyright 2004-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
from .FileParser import *
from .Errors import *
import os
# Dont accept env files without these variables
NEEDED_VARS = [ "JAVA_HOME", "PROVIDES_TYPE", "PROVIDES_VERSION" ]
class VM:
def __init__(self, file):
self.file = file
self.config = EnvFileParser(file).get_config()
self.check_for_needed_vars()
def __eq__(self, other):
return self.version() == other.version()
def __ne__(self, other):
return self.version() != other.version()
def __lt__(self, other):
return self.version() < other.version()
def __gt__(self, other):
return self.version() > other.version()
def __le__(self, other):
return self.version() <= other.version()
def __ge__(self, other):
return self.version() >= other.version()
def __str__(self):
return self.name()
def check_for_needed_vars(self):
for var in NEEDED_VARS:
if var not in self.config:
raise InvalidVMError("Missing: %s" % var)
def get_config(self):
return self.config
def query(self, var):
if var in self.config:
return self.config[var]
else:
raise EnvironmentUndefinedError
def filename(self):
return self.file
def name(self):
return os.path.basename(self.file)
def is_build_only(self):
try:
if self.query('BUILD_ONLY').upper() == 'TRUE':
return True
except:
return False
def is_jre(self):
return self.is_type("JRE")
def is_jdk(self):
return self.is_type("JDK")
def is_type(self, type):
if type.upper() in [t.upper() for t in self.query('PROVIDES_TYPE').split(' ')]:
return True
else:
return False
def type(self):
return self.query('PROVIDES_TYPE')
def version(self):
return self.query('PROVIDES_VERSION')
def find_exec(self, executable):
path = self.query('PATH')
paths = path.split(':')
for path in paths:
path = os.path.join(path, executable)
if os.path.isfile(path):
if not os.access(path, os.X_OK):
raise PermissionError
else:
return path
else:
raise PermissionError
return None
# vim:set expandtab tabstop=4 shiftwidth=4 softtabstop=4 nowrap:
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