Στις 28/9/2013 1:26 πμ, ο/η Dave Angel έγραψε:
On 27/9/2013 18:06, Νίκος wrote:
city = "Άγνωστη Πόλη"
host = "Άγνωστη Προέλευση"
If they were to have the same string assigned to them it should be okey
but they do not.
Or perhaps you can even still think of writing the above into 1-liner
whatsoever!
I already did earlier in this thread. And you must have read the
message, because you replied to other parts of it. it's the one where I
referred to code golf, and to APL. About 12 hours ago, at 6:43 my time.
city, host = "Άγνωστη Πόλη", "Άγνωστη Προέλευση"
I still think it's foolish, but be my guest.
Perhaps i wasn't clear when i expresses my self.
Sure the 1-liner you provided assign different strings to each variable
respectively, which is nice, but i was referring to have 1-liner that
had the ability to assign the appropriate string to the variable that
failed to get a value.
ipval = ( os.environ.get('HTTP_CF_CONNECTING_IP') or
os.environ.get('REMOTE_ADDR', "Cannot Resolve") )
try:
gi = pygeoip.GeoIP('/usr/local/share/GeoIPCity.dat')
city = gi.time_zone_by_addr( ipval )
host = socket.gethostbyaddr( ipval ) [0]
except socket.gaierror as e:
city = "Άγνωστη Πόλη"
host = "Άγνωστη Προέλευση"
In the above code no matter which variable fails to grab a value(gi
excluded in check) we assign city and host 2 differnt values, while we
want to assign a value only to the varibale that failed in the try block.
Is there a way to write the except block in 1-liner?
That woudl require that we actually identify which variable failed in try:
This could work:
ipval = ( os.environ.get('HTTP_CF_CONNECTING_IP') or
os.environ.get('REMOTE_ADDR', "Cannot Resolve") )
city = "Άγνωστη Πόλη"
host = "Άγνωστη Προέλευση"
try:
gi = pygeoip.GeoIP('/usr/local/share/GeoIPCity.dat')
city = gi.time_zone_by_addr( ipval )
host = socket.gethostbyaddr( ipval ) [0]
except:
pass
but in this case we assign values to the variables BEFORE the try:
It woould be nice if we could write it as:
ipval = ( os.environ.get('HTTP_CF_CONNECTING_IP') or
os.environ.get('REMOTE_ADDR', "Cannot Resolve") )
try:
gi = pygeoip.GeoIP('/usr/local/share/GeoIPCity.dat')
city = gi.time_zone_by_addr( ipval )
host = socket.gethostbyaddr( ipval ) [0]
except socket.gaierror as e:
if city failed assign to it "Άγνωστη Πόλη" while if host failed assign
it "Άγνωστη Προέλευση"
but without an if statement and in 1 single line.
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