postgres-temp-files

#!/usr/bin/python
import datetime
import sys

if len(sys.argv) == 1:
    isodate = datetime.date.today()
else:
    isodate = sys.argv[1]

usage = {}
logs = {}
statements = {}
details = {}
numwrites = {}
eachusage = {}
pid = 0
totalmem = 0
nummem = 0
plog = '/var/lib/pgsql/9.3/data/pg_log/postgresql-%s.log'
loop = 0

for line in open(plog % isodate):
    if 'LOG:  temporary file' in line:
        #pull the info we need from the line
        parts = line.strip().split(" ")
        pid = parts[3].strip('[]:')
        size = parts[12]
        #build the dict
        if(pid not in usage):
            usage[pid] = 0
        if(pid not in numwrites):
            numwrites[pid] = 0
        if(pid not in eachusage):
            eachusage[pid] = ''
        usage[pid] += int(size)
        eachusage[pid] += str(round(float(size)/1000000,2)) + '|'
        numwrites[pid] += 1
        totalmem += int(size)
        nummem += 1
        loop = 1
    elif loop == 1 and pid > 0 and pid and 'STATEMENT:' in line:
        statements[pid] = line
        loop = 2
    elif loop == 2 and pid > 0 and pid and 'LOG:  duration' in line:
        logs[pid] = line
        loop = 3
    elif loop == 3 and pid > 0 and pid and 'DETAIL:' in line:
            details[pid] = line
        loop = 0
    else:
        pid = 0
        loop = 0

print "PID,Total MB,Avg MB,Num Ops,Each Op,Statement,Log,Detail"
lineout = ''
for pid, size in usage.iteritems():
    lineout = pid + ','
    lineout += str(round(float(size)/1000000,2)) + ','
    lineout += str(round(float(size)/numwrites[pid]/1000000,2)) + ','
    lineout += str(numwrites[pid]) + ','
    lineout += '"' + eachusage[pid] + '",'
    lineout += '"' + statements[pid].strip() + '",'
    lineout += '"' + logs[pid].strip() + '",'
    lineout += '"' + details[pid].strip() + '",'
    print lineout