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Mit Exit-Status richtig umgehen, nur bekannte Fehler uebergehen

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This commit is contained in:
Stefan Bethke 2010-08-07 12:23:17 +00:00
parent f004138cb1
commit 4a5bcc4f81
1 changed files with 31 additions and 12 deletions
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41
src/tivomirror/tivomirror
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@ -1,6 +1,6 @@
#!/usr/bin/python #!/usr/bin/python
# $Schlepperbande: src/tivomirror/tivomirror,v 1.31 2010/08/06 08:41:55 stb Exp $ # $Schlepperbande: src/tivomirror/tivomirror,v 1.32 2010/08/07 09:04:16 stb Exp $
# #
# Stefans Script, um die Sendungen vom Tivo runterzuladen und in MPEG4 # Stefans Script, um die Sendungen vom Tivo runterzuladen und in MPEG4
# zu transkodieren. # zu transkodieren.
@ -11,12 +11,13 @@ import anydbm
import cookielib import cookielib
import datetime import datetime
import os import os
import re
import signal
import shutil import shutil
import subprocess import subprocess
import sys import sys
import urllib2 import urllib2
import xml.dom.minidom import xml.dom.minidom
import re
host = "tivo.lassitu.de" host = "tivo.lassitu.de"
mak = "7194378159" mak = "7194378159"
@ -65,6 +66,12 @@ tmp = "/tmp"
tmpmp2 = "/home/stb/tmp.mpg" tmpmp2 = "/home/stb/tmp.mpg"
tmpmp4 = "/home/stb/tmp.mp4" tmpmp4 = "/home/stb/tmp.mp4"
class TivoException(Exception):
def __init__(self, value):
self.value = value
def __str__(self):
return repr(self.value)
def gettoc(): def gettoc():
url = "https://" + host + "/TiVoConnect?Command=QueryContainer&Container=%2FNowPlaying&Recurse=Yes" url = "https://" + host + "/TiVoConnect?Command=QueryContainer&Container=%2FNowPlaying&Recurse=Yes"
pwmgr.add_password(None, url, "tivo", mak) pwmgr.add_password(None, url, "tivo", mak)
@ -136,19 +143,31 @@ def transcode(file, src, passno, ar):
print " %s" % " ".join(transcode_opts) print " %s" % " ".join(transcode_opts)
subprocess.check_call(transcode_opts) subprocess.check_call(transcode_opts)
def checkProcessError(curl, decode): def checkProcessError(curl, decode):
(spid, sse) = os.wait() (spid, sse) = os.wait()
if (sse >> 8) == 0: if not os.WIFSIGNALED(sse) \
and os.WIFEXITED(sse) and os.WEXITSTATUS(sse) == 0:
return False return False
if spid == curl.pid: if spid == curl.pid:
print "error downloading file: %d" % (sse >> 8) proc = "curl"
elif spid == decode.pid: elif spid == decode.pid:
print "error decoding file: %d" % (sse >> 8) proc = "tivodecode"
if os.WIFSIGNALED(sse):
cause = "exited with signal %d" % os.WTERMSIG(sse)
else: else:
print "another process(?!) finished with an error" cause = "exited with code %d" % os.WEXITSTATUS(sse)
proc = "another"
print "--- %s %s" % (proc, cause)
return True return True
def quit_process(pid):
try:
os.kill(p_curl.pid, signal.SIGQUIT)
except OSError:
pass
def download(file, url, mak, target): def download(file, url, mak, target):
print "--- dowloading \"%s\"" % (url) print "--- dowloading \"%s\"" % (url)
p_curl = subprocess.Popen(["curl", "--anyauth", "--fail", \ p_curl = subprocess.Popen(["curl", "--anyauth", "--fail", \
@ -159,14 +178,14 @@ def download(file, url, mak, target):
p_decode = subprocess.Popen(["tivodecode", "--mak", mak, \ p_decode = subprocess.Popen(["tivodecode", "--mak", mak, \
"--out", target, "-"], stdin=p_curl.stdout) "--out", target, "-"], stdin=p_curl.stdout)
if checkProcessError(p_curl, p_decode) or checkProcessError(p_curl, p_decode): if checkProcessError(p_curl, p_decode) or checkProcessError(p_curl, p_decode):
quit_process(p_curl.pid)
quit_process(p_decode.pid.pid)
os.remove(target) os.remove(target)
os.kill(p_curl.pid, signal.SIGQUIT) raise TivoException("error downloading/decoding file")
os.kill(p_decode.pid, signal.SIGQUIT)
raise Exception
if os.path.getsize(target) < 1024: if os.path.getsize(target) < 1024:
print "error transcoding file: too small" print "error transcoding file: too small"
os.remove(target) os.remove(target)
raise Exception raise TivoException("downloaded file is too small")
def download_decode(file, url, mak, ar): def download_decode(file, url, mak, ar):
#target = tmpmp2 #target = tmpmp2
@ -251,7 +270,7 @@ for i in items:
downloaddb.sync() downloaddb.sync()
# stop after the fist successful download since the tivo hangs easily # stop after the fist successful download since the tivo hangs easily
break break
except Exception, e: except TivoException, e:
print "Error processing \"%s\": %s" % (name, e) print "Error processing \"%s\": %s" % (name, e)
print "*** Completed" print "*** Completed"