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Fikset problem med at man kan lage less-zombie ved å trykke C-c.

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Øystein Ingmar Skartsæterhagen 2010-09-24 21:24:04 +00:00
parent 100cc8eda4
commit 83d18fb309
1 changed files with 5 additions and 0 deletions
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5
helpers.py
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@ -3,6 +3,7 @@ from sqlalchemy import or_
import pwd import pwd
import subprocess import subprocess
import os import os
import signal
def search_user(string, session): def search_user(string, session):
exact_match = session.query(User).filter(or_(User.name==string, User.card==string)).first() exact_match = session.query(User).filter(or_(User.name==string, User.card==string)).first()
@ -120,7 +121,11 @@ def less(string):
''' '''
Run less with string as input; wait until it finishes. Run less with string as input; wait until it finishes.
''' '''
# If we don't ignore SIGINT while running the `less` process,
# it will become a zombie when someone presses C-c.
signal.signal(signal.SIGINT, signal.SIG_IGN)
env = dict(os.environ) env = dict(os.environ)
env['LESSSECURE'] = '1' env['LESSSECURE'] = '1'
proc = subprocess.Popen('less', env=env, stdin=subprocess.PIPE) proc = subprocess.Popen('less', env=env, stdin=subprocess.PIPE)
proc.communicate(safe_str(string)) proc.communicate(safe_str(string))
signal.signal(signal.SIGINT, signal.SIG_DFL)