improve parser resilience, improve get_month_days, add 'Channel' item to general menu
"""
Tool for accessing the search index
"""
# XXX: fix path
import sys; sys.path.insert(0, '.'); sys.path.insert(0, '..')
import datetime, pytz
# configuration and the LogSearchIndex module
import config, log_search, channels
def _open_index_and_channel (options, channel_name, open_mode) :
"""
Opens+returns a LogSearchIndex and a LogChannel
"""
# open the LogSearchIndex
index = log_search.LogSearchIndex(options.index_path, open_mode)
# open the channel
channel = config.LOG_CHANNELS.lookup(channel_name)
# return
return index, channel
def _load_channel_date (index, options, channel, date) :
"""
Loads the logs for the given date from the channel's LogSource into the given LogSearchIndex
"""
if not options.quiet :
print "%s %s..." % (channel.id, date.strftime(channel.source.filename_fmt)),
try :
# load lines for date
lines = channel.source.get_date(date)
except Exception, e :
if not options.skip_missing :
raise
if not options.quiet :
print "Skipped: %s" % (e, )
else :
# insert -> count
count = index.insert(channel, lines)
if not options.quiet :
print "OK: %d lines" % count
def cmd_load (options, channel_name, *dates) :
"""
Loads the logs for a specific channel for the given dates (in terms of the channe logs' timezone) into the index
"""
# open index/channel
index, channel = _open_index_and_channel(options, channel_name, '*' if options.create_index else 'a')
# handle each date
for date_name in dates :
try :
# parse date
date = datetime.datetime.strptime(date_name, '%Y-%m-%d').replace(tzinfo=channel.source.tz)
except Exception, e :
print "[ERROR] Invalid date: %s: %s" % (date_name, e)
if options.skip_missing :
continue
else :
raise
# load
_load_channel_date(index, options, channel, date)
def cmd_load_month (options, channel_name, *months) :
"""
Loads the logs for a specific channel for the given months (in terms of the channel's timezone) into the index
"""
# open index/channel
index, channel = _open_index_and_channel(options, channel_name, '*' if options.create_index else 'a')
# handle each date
for month_name in months :
try :
# parse date
month = datetime.datetime.strptime(month_name, '%Y-%m').replace(tzinfo=channel.source.tz)
except Exception, e :
print "[ERROR] Invalid date: %s: %s" % (month_name, e)
if options.skip_missing :
continue
else :
raise
# get the set of days
days = list(channel.source.get_month_days(month))
print "Loading %d days of logs:" % (len(days))
# load each day
for date in days :
# convert to datetime
dt = datetime.datetime.combine(date, datetime.time(0)).replace(tzinfo=channel.source.tz)
# load
_load_channel_date(index, options, channel, dt)
def cmd_search (options, channel_name, query) :
"""
Search the index for events on a specific channel with the given query
"""
# sanity-check
if options.create_index :
raise Exception("--create doesn't make sense for 'search'")
# open index/channel
index, channel = _open_index_and_channel(options, channel_name, 'r')
# search
lines = index.search_simple(channel, query)
# display as plaintext
for line in options.formatter.format_txt(lines) :
print line
if __name__ == '__main__' :
from optparse import OptionParser
# define parser
parser = OptionParser(
usage = "%prog [options] <command> [ ... ]",
add_help_option = True,
)
# define command-line arguments
parser.add_option("-I", "--index", dest="index_path", help="Index database path", metavar="PATH", default="logs/index")
parser.add_option("--create", dest="create_index", action="store_true", help="Create index database")
parser.add_option("-f", "--formatter", dest="formatter_name", help="LogFormatter to use", default="irssi")
parser.add_option("-z", "--timezone", dest="tz_name", help="Timezone for output", metavar="TZ", default="UTC")
parser.add_option("--skip-missing", dest="skip_missing", action="store_true", help="Skip missing logfiles")
parser.add_option("--quiet", dest="quiet", action="store_true", help="Supress status messages")
# parse
options, args = parser.parse_args()
# postprocess stuff
options.tz = pytz.timezone(options.tz_name)
options.formatter = config.LOG_FORMATTERS[options.formatter_name](options.tz, "%H:%M:%S", None, None)
# pop command
if not args :
raise Exception("Missing command")
command = args.pop(0)
# inspect
func = globals()['cmd_%s' % command]
# call
func(options, *args)