def print_header(filename=None):
""" Clear terminal window and print script name and release date.
This is only run if running the script file directly, built
binaries will fail this step. """
if not filename:
filename = os.path.basename(__file__)
header = filename + " v" + VERSION
if __name__ == "__main__":
if os.name == "nt":
os.system("cls")
elif os.name == "posix":
os.system("clear")
# Attempt to write log data and skip upon exception
try:
sclogger.info("Starting %s", header)
sclogger.info("Current operating system: " + pp() + " " + pa()[0])
except:
pass
print("Starting %s" % (header))
print("Current operating system: %s %s\n" % (pp(), pa()[0]))
def winreg_read(keypath, subkeyname):
""" Get provider installation path from reading registry data.
If unable to read registry information prompt user for input. """
arch = pa()[0]
regbase = 'HKEY_LOCAL_MACHINE\\'
regkey = None
# use architecture returned to evaluate appropriate registry key
if arch == '64bit':
regpath = 'SOFTWARE\Wow6432Node\\' + keypath
regopts = (winreg.KEY_WOW64_64KEY + winreg.KEY_READ)
elif arch == '32bit':
liblogger.info('32 bit operating system detected')
regpath = 'SOFTWARE\\' + keypath
regopts = winreg.KEY_READ
else:
liblogger.error('Unable to determine system architecture.')
raise ValueError('ERROR: Unable to determine system architecture.')
try:
regkey = winreg.OpenKeyEx(winreg.HKEY_LOCAL_MACHINE, regpath, 0,
regopts)
# Save installation path value and close open registry key.
ipath = winreg.QueryValueEx(regkey, subkeyname)[0]
except PermissionError:
liblogger.error('Permission denied to read registry key',
regbase + regpath)
liblogger.error('Run this script as administrator to resolve.')
print('Permission denied to read registry data at %s.', regpath)
finally:
# Ensure registry key is closed after reading as applicable.
if regkey is not None:
liblogger.info('Registry data at %s used to determine ' +
'installation path', regbase + regpath)
winreg.CloseKey(regkey)
installpath = os.path.abspath(ipath.strip())
return installpath
