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Avoid tracebacks on disappearing processes

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This commit is contained in:
Yves Goergen 2011-02-16 16:01:38 -06:00
commit c082952423
1 changed files with 22 additions and 6 deletions
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smem
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@ -35,20 +35,36 @@ class procdata(object):
def version(self):
return self._readlines('version')[0]
def pidname(self, pid):
l = self._read('%d/stat' % pid)
return l[l.find('(') + 1: l.find(')')]
try:
l = self._read('%d/stat' % pid)
return l[l.find('(') + 1: l.find(')')]
except:
return '?'
def pidcmd(self, pid):
c = self._read('%s/cmdline' % pid)[:-1]
return c.replace('\0', ' ')
try:
c = self._read('%s/cmdline' % pid)[:-1]
return c.replace('\0', ' ')
except:
return '?'
def piduser(self, pid):
return self._stat('%d/cmdline' % pid).st_uid
try:
return self._stat('%d/cmdline' % pid).st_uid
except:
return -1
def pidgroup(self, pid):
return self._stat('%d/cmdline' % pid).st_gid
try:
return self._stat('%d/cmdline' % pid).st_gid
except:
return -1
def username(self, uid):
if uid == -1:
return '?'
if uid not in self._ucache:
self._ucache[uid] = pwd.getpwuid(uid)[0]
return self._ucache[uid]
def groupname(self, gid):
if gid == -1:
return '?'
if gid not in self._gcache:
self._gcache[gid] = pwd.getgrgid(gid)[0]
return self._gcache[gid]