diff options
| -rwxr-xr-x | bin/taler-log-adapter | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/bin/taler-log-adapter b/bin/taler-log-adapter index 4d28c1a..01faf73 100755 --- a/bin/taler-log-adapter +++ b/bin/taler-log-adapter @@ -15,6 +15,13 @@ # # @author Florian Dold +""" +Wrapper for programs that log to stderr. + +Redirects logs to a file specified by a path with strfmt-style placeholders +in them. +""" + from subprocess import Popen, PIPE import sys import os @@ -25,22 +32,33 @@ import time def handler(signum, frame): if p: os.kill(p.pid, signal.SIGINT) -p = None + +def touchp(path): + dir = os.path.dirname(path) + if dir: + os.makedirs(dir, exist_ok=True) + if len(sys.argv) < 3: print("Usage: {} logfile prog_and_args...".format(sys.argv[0]), file=sys.stderr) sys.exit(-1) + +p = None signal.signal(signal.SIGINT, handler) p = Popen(sys.argv[2:], stderr=PIPE, shell=False) + log = sys.argv[1] -dir = os.path.dirname(log) -if dir: - os.makedirs(os.path.dirname(log), exist_ok=True) +last_name = None + while p.poll() is None: full_name = time.strftime(log) + if full_name != last_name: + touchp(full_name) + last_name = full_name last_read = p.stderr.readline() if last_read == '': break with open(full_name, "ab") as f: f.write(last_read) + status = p.wait() sys.exit(status) |