def get_output(cls, command, silent=False):
"""
Wraps a subprocess.check_output call. Checks for process errors and command not found errors.
:param silent: If silent is true the command will not be logged
:param command: array of strings - same as check_output
:return: string of output, error, or None if the command is not found
"""
try:
if not silent:
Logger.extra("Attempting to execute command %s", command)
output = subprocess.check_output(command,
stderr=subprocess.STDOUT,
universal_newlines=True)
except OSError as e:
output = ""
if e.errno == errno.ENOENT:
Logger.warn("\"%s\" may not be installed", command[0])
else:
Logger.exception(e)
cls.log_failed_command(command)
except subprocess.CalledProcessError as e:
output = e.output
cls.log_failed_command(command, output.strip())
Logger.verbose("Command \"%s\" output %s", command, output)
return output
def is_interface_wiiu_compatible(cls, interface):
if not OsUtil.is_linux():
Logger.extra("Ignoring interface compatibility check for %s",
interface)
return False
frequency_info = ProcessUtil.get_output(
["iwlist", interface, "frequency"])
return "5." in frequency_info
def __init__(self, in_path):
pre = "resources/"
Logger.debug("Loading resource \"%s\"", join(pre, in_path))
current_dir = os.path.dirname(__file__).split(os.sep)
# Check local files first
file_path = "/"
if len(current_dir) >= 3:
for path in range(0, len(current_dir) - 3):
file_path = join(file_path, current_dir[path])
file_path = join(file_path, pre, in_path)
if os.path.exists(file_path):
try:
with open(file_path) as f:
self.resource = f.read()
except UnicodeDecodeError:
Logger.debug("Opening resource as binary.")
with open(file_path, "rb") as f:
self.resource = f.read()
Logger.extra("Found resource in local resource directory.")
return
# Check /usr/local - pip installs to here
file_path = "/usr/local/resources/" + in_path
if os.path.exists(file_path):
try:
with open(file_path) as f:
self.resource = f.read()
except UnicodeDecodeError:
Logger.debug("Opening resource as binary.")
with open(file_path, "rb") as f:
self.resource = f.read()
Logger.extra(
"Found resource in /usr/local/ resource directory.")
return
# Attempt to get from package - setup.py installs here
try:
self.resource = pkg_resources.resource_string(
pkg_resources.Requirement.parse("drcsim"), join(pre, in_path))
Logger.extra("Found resource in package.")
except FileNotFoundError:
Logger.throw("Could not find resource: %s" % join(pre, in_path))
sys.exit()
def log_failed_command(cls, command, output=None):
Logger.extra("Failed to execute command \"%s\" and got output \"%s\"",
command, output)