I am have written a medium sized program and everything works fine
except for one piece. At a certain point in the program I want to do a
simple user confirmation, eg Are you sure ? y/n. The problem that I am
having is that after the user enters an answer and presses enter, the
program executes the rest of the code regardless of what the user
response was.
Heres my code:
def confirmAction(s elf, msg):
if not msg:
msg = 'Are you sure y/[n]> '
print msg
confirm = sys.stdin.readl ine()[:-1]
print 'confirm = \'%s\'' %(confirm)
if confirm == 'y' or 'Y' or 'Yes' or 'YES' or 'yes':
return 1
return 0
if confirmAction(' Are you sure you want to DEACTIVATE this port?
y/[n]'):
print 'Deactivating
#Do some other stuff
else:
sys.exit(-1)
At this point in the program I can enter nothing, or y, or sdfasd, and
no matter what I do it prints 'Deactivating and executes the rest of
my code. I can't figure it out to save my life. I am sure that the
answer is very simple and that I have just been thinking to hard and
have over looked it.
Thanks for any help
-matthew
3  1839 
"Matthew" <ru***@chpc.uta h.edu> wrote in message
news:ec******** *************** ***@posting.goo gle.com... I am have written a medium sized program and everything works fine
except for one piece. At a certain point in the program I want to do a
simple user confirmation, eg Are you sure ? y/n. The problem that I am
having is that after the user enters an answer and presses enter, the
program executes the rest of the code regardless of what the user
response was.
Heres my code:
def confirmAction(s elf, msg):
if not msg:
msg = 'Are you sure y/[n]> '
print msg
confirm = sys.stdin.readl ine()[:-1]
print 'confirm = \'%s\'' %(confirm)
if confirm == 'y' or 'Y' or 'Yes' or 'YES' or 'yes':
return 1
return 0
[snip]
'Y' evaluates to true.
Maybe try something like:
if confirm in ['y', 'Y', 'Yes', 'YES', 'yes']:
etc.
Duncan
At 05:39 PM 9/18/2003, Duncan Smith wrote: "Matthew" <ru***@chpc.uta h.edu> wrote in message
news:ec******* *************** ****@posting.go ogle.com... I am have written a medium sized program and everything works fine
except for one piece. At a certain point in the program I want to do a
simple user confirmation, eg Are you sure ? y/n. The problem that I am
having is that after the user enters an answer and presses enter, the
program executes the rest of the code regardless of what the user
response was.
Heres my code:
def confirmAction(s elf, msg):
if not msg:
msg = 'Are you sure y/[n]> '
print msg
confirm = sys.stdin.readl ine()[:-1]
print 'confirm = \'%s\'' %(confirm)
if confirm == 'y' or 'Y' or 'Yes' or 'YES' or 'yes':
return 1
return 0
[snip]
'Y' evaluates to true.
To be more explicit:
given: confirm = 'y'
confirm == 'y' or 'Y' or 'Yes' or 'YES' or 'yes' evaluates to 1 (confirm ==
'y' returns 1)
but given: confirm = 'Y'
confirm == 'y' or 'Y' or 'Yes' or 'YES' or 'yes' evaluates to 'Y' (confirm
== 'y' returns 0 which is ored with 'Y" which is true, hence the result is 'Y')
Maybe try something like:
if confirm in ['y', 'Y', 'Yes', 'YES', 'yes']:
Even better
if 'yes'.startswit h(confirm.lower ()): # covers y ye yes Y YE YES yES Yes etc.
Bob Gailer bg*****@alum.rp i.edu
303 442 2625
---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system ( http://www.grisoft.com).
Version: 6.0.506 / Virus Database: 303 - Release Date: 8/1/2003
That worked, thanks very much.
-matthew
"Duncan Smith" <bu*****@urubu. freeserve.co.uk > wrote in message news:<bk******* ***@news6.svr.p ol.co.uk>... "Matthew" <ru***@chpc.uta h.edu> wrote in message
news:ec******** *************** ***@posting.goo gle.com... I am have written a medium sized program and everything works fine
except for one piece. At a certain point in the program I want to do a
simple user confirmation, eg Are you sure ? y/n. The problem that I am
having is that after the user enters an answer and presses enter, the
program executes the rest of the code regardless of what the user
response was.
Heres my code:
def confirmAction(s elf, msg):
if not msg:
msg = 'Are you sure y/[n]> '
print msg
confirm = sys.stdin.readl ine()[:-1]
print 'confirm = \'%s\'' %(confirm)
if confirm == 'y' or 'Y' or 'Yes' or 'YES' or 'yes':
return 1
return 0
[snip]
'Y' evaluates to true.
Maybe try something like:
if confirm in ['y', 'Y', 'Yes', 'YES', 'yes']:
etc.
Duncan This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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