def IsPossible(self):
"""Function to check the requirements for doing a port mapping.
It tries to import the MiniUPnPc python binding: miniupnpc.
If it fails, it tries to use the MiniUPnPc binary: upnpc.
If neither of them are available UPnP Port Mapping is unavailable.
"""
try:
# First we try to import the python binding
import miniupnpc # noqa: F401
except ImportError as e1:
try:
# We fail to import the python module: fallback to the binary.
self.run_binary([self.upnpcbinary])
except Exception as e2:
# Nothing works :/
errors = [
_('Failed to import miniupnpc module: %(error)s') %
{'error': str(e1)},
_('Failed to run upnpc binary: %(error)s') %
{
'error': findBestEncoding(
str(e2),
['utf-8', 'ascii', 'iso8859-1']
)
}
]
return (False, errors)
else:
# If the binary is available we define the resulting mode
self.mode = 'Binary'
return (True, None)
else:
# If the python binding import is successful we define the
# resulting mode
self.mode = 'Module'
return (True, None)
def expand_alias(aliases, cmd):
output = _expand_alias(aliases, cmd)
return findBestEncoding(output, ['UTF-8', 'ASCII'])
def expand_alias(aliases, cmd):
output = _expand_alias(aliases, cmd)
return findBestEncoding(output, ['UTF-8', 'ASCII'])