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mirror of https://github.com/LCPQ/quantum_package synced 2024-11-03 20:54:00 +01:00
quantum_package/scripts/follow_output.py

74 lines
1.6 KiB
Python
Executable File

#!/usr/bin/env python
import time
import os
import sys
"""Follow the output files in standard output"""
class OutputFollower(object):
def __init__(self,filename):
self.filename = filename
self.dir = filename+'/output/'
while not os.path.exists(self.dir):
time.sleep(.1)
self.last_time = {}
self.last_line = {}
self.data = {}
self.update_file_list()
self.running = False
def update_file_list(self):
self.file_list = filter(lambda x: x.endswith('.rst'), os.listdir(self.dir) )
for filename in self.file_list:
filename = self.dir+'/'+filename
statbuf = os.stat(filename)
date = statbuf.st_mtime
if filename not in self.last_time:
self.last_time[filename] = -1
self.last_line[filename] = -1
self.data[filename] = []
if date > self.last_time[filename]:
# Read file
file = open(filename,'r')
self.data[filename] = file.read().splitlines()
file.close()
# Print new lines
output = self.data[filename]
for line in output[self.last_line[filename]+1:]:
print line
self.last_time[filename] = date
self.last_line[filename] = len(output)-1
def start(self):
self.running = True
while self.running:
time.sleep(.1)
self.update_file_list()
def main():
F = OutputFollower(sys.argv[1])
# Handle signals
import signal
def handler(signum,frame):
if F.running:
F.running = False
else:
sys.exit(0)
for i in [2, 15]:
try:
signal.signal(i, handler)
except:
pass
F.start()
if __name__ == '__main__':
main()