IRSSI log concatenation, sort by date from multiple input files.

logconcat.py

#!/usr/bin/env python
# usage: ./logconcat.py output.log [list, of, input, files]
# Eventually I'll put all log entries in a db for more fun.


from datetime import datetime


class LogEntry():
    def __init__(self, date, entry):
        self.date = date
        self.entry = entry


def build_log(output, files):
    buf = []
    curdate = None
    for f in files:
        fh = open(f, 'r')
        for line in fh:
            if line.startswith('--- Day changed'):
                stamp = line[len('--- Day changed')+1:].strip()
                print stamp
                curdate = datetime.strptime(stamp, '%a %b %d %Y')
            elif line.startswith('--- Log opened'):
                stamp = line[len('--- Log opened')+1:].strip()
                print stamp
                curdate = datetime.strptime(stamp, '%a %b %d %H:%M:%S %Y')
            
            buf.append(LogEntry(curdate, line))

        fh.close()

    buf = sorted(buf, key=lambda x: x.date)
    out = open(output, 'w')
    for line in buf:
        out.write(line.entry)
        out.write('\n')
    out.close()


if __name__ == '__main__':
    import sys
    build_log(sys.argv[1], sys.argv[2:])