def tail():
"""Simple tail -f like function, that will wait for input"""
log.info("Using TAIL. Press ^C to quit. For help, see 'prism -h'.")
gen = tail_generator(
fileinput.input(sys.argv[1:], bufsize = options.buffer_size),
grep = options.grep_opt,
match_only = options.match_opt
)
while 1:
print(next(gen))
def watch():
if not options.use_watchdog:
log.error("Watchdog not installed.")
quit()
fi = fileinput.input(sys.argv[1:], bufsize = options.buffer_size)
paths = fi._files
log.info("Using FILEINPUT with WATCHDOG for files: %s" % (', '.join(paths),))
log.debug("Buffer size: %s" % fi._bufsize)
event_handler = PrismEventHandler([os.path.abspath(p) for p in paths], watch_output)
observer = Observer()
recursive = False
for p in paths:
if p == '-' or p == sys.stdin:
log.error("Can't mix stdin with file arguments. Quitting.")
quit()
else:
if os.path.isdir(p):
log.info("Watching directory '%s'" % p)
recursive = True
else:
log.info("Will schedule file '%s'" % p)
recursive = False
p = os.path.dirname(os.path.abspath(p)) # Watchdog doesn't notify of file changes?
observer.schedule(event_handler, path=p, recursive=recursive)
observer.start()
try:
while True:
time.sleep(0.125)
except KeyboardInterrupt:
observer.stop()
quit()
observer.join()
def on_deleted(self, event):
super(PrismEventHandler, self).on_deleted(event)
# TODO handle deletions
what = 'directory' if event.is_directory else 'file'
log.info("Deleted %s: %s", what, event.src_path)
def on_moved(self, event):
super(PrismEventHandler, self).on_moved(event)
# TODO handle renames
what = 'directory' if event.is_directory else 'file'
log.info("Moved %s: from %s to %s", what, event.src_path, event.dest_path)