On 09/29/2011 07:41 AM, seth vidal wrote:
> http://skvidal.fedorapeople.org/misc/nag-once.py
Looks like something that would work fine for me, thanks.
Attached is a patch with some improvements:
- Get rid of dependency on hashlib
- Make dir names less likely to clash, add nag-once prefix
- Don't wait for input on tty stdin on error (e.g. usage)
--- nag-once.py~ 2011-09-29 07:40:16.000000000 +0300
+++ nag-once.py 2011-09-29 20:39:25.453927468 +0300
@@ -13,7 +13,6 @@
import time
import os
import stat
-import hashlib
import glob
@@ -33,7 +32,7 @@
def get_cmdid_dir(cmdid):
"""return a path to a valid and safe cachedir"""
tmpdir="/var/tmp"
- prefix = cmdid
+ prefix = "nag-once:" + cmdid + "#"
dirpath = '%s/%s*' % (tmpdir, prefix)
cachedirs = sorted(glob.glob(dirpath))
for thisdir in cachedirs:
@@ -72,10 +71,10 @@
# make up or find our tempdir
mydir = get_cmdid_dir(cmdid)
- old_csum = "haha, no"
+ old_output = None
old_date = 0
if os.path.exists(mydir + '/output'):
- old_csum = hashlib.md5(open(mydir + '/output').read()).hexdigest()
+ old_output = open(mydir + '/output').read()
old_date = os.lstat(mydir + '/output')[stat.ST_MTIME]
# take from stdin
@@ -84,9 +83,8 @@
try:
# at this point we have to handle any outputs more ourself b/c we've
just read
# out of sys.stdin :(
- new_csum = hashlib.md5(theinput).hexdigest()
- if new_csum != old_csum or (tti and now - old_date > tti):
+ if theinput != old_output or (tti and now - old_date > tti):
print theinput
fo = open(mydir + '/output', 'w')
fo.write(theinput)
@@ -103,6 +101,7 @@
main()
except Exception, e:
print >> sys.stderr, e
- print >> sys.stderr, sys.stdin.read()
+ if not sys.stdin.isatty():
+ print >> sys.stderr, sys.stdin.read()
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