mirror of
https://expo.survex.com/repositories/troggle/.git
synced 2024-11-22 15:21:52 +00:00
114 lines
3.8 KiB
Python
114 lines
3.8 KiB
Python
import string
|
|
import os
|
|
import datetime
|
|
import re
|
|
import resource
|
|
import random
|
|
import logging
|
|
from subprocess import call
|
|
|
|
from urllib.parse import urljoin
|
|
from decimal import Decimal, getcontext
|
|
getcontext().prec=2 #use 2 significant figures for decimal calculations
|
|
|
|
import settings
|
|
|
|
from django.db import models
|
|
from django.contrib import admin
|
|
from django.contrib.auth.models import User
|
|
from django.contrib.contenttypes.models import ContentType
|
|
from django.conf import settings
|
|
|
|
from django.urls import reverse
|
|
from django.template import Context, loader
|
|
|
|
'''This file declares TROG a globally visible object for caches.
|
|
|
|
TROG is a dictionary holding gloablly visible indexes and cache functions.
|
|
It is a Global Object, see https://python-patterns.guide/python/module-globals/
|
|
troggle.utils.TROG
|
|
|
|
chaosmonkey(n) - used by survex import to regenerate some .3d files
|
|
save_carefully() - core function that saves troggle objects in the database
|
|
|
|
'''
|
|
|
|
TROG = {
|
|
'pagecache' : {
|
|
'expedition' : {}
|
|
},
|
|
'issues' : {
|
|
'logdataissues' : {}
|
|
}
|
|
|
|
}
|
|
|
|
# This is module-level executable. This is a Bad Thing. Especially when it touches the file system.
|
|
try:
|
|
logging.basicConfig(level=logging.DEBUG,
|
|
filename=settings.LOGFILE,
|
|
filemode='w')
|
|
except:
|
|
# Opening of file for writing is going to fail currently, so decide it doesn't matter for now
|
|
pass
|
|
|
|
def get_process_memory():
|
|
usage=resource.getrusage(resource.RUSAGE_SELF)
|
|
return usage[2]/1024.0
|
|
|
|
def chaosmonkey(n):
|
|
# returns True once every n calls - randomly
|
|
if random.randrange(0,n) != 0:
|
|
return False
|
|
# print("CHAOS strikes !", file=sys.stderr)
|
|
return True
|
|
|
|
|
|
def save_carefully(objectType, lookupAttribs={}, nonLookupAttribs={}):
|
|
"""Looks up instance using lookupAttribs and carries out the following:
|
|
-if instance does not exist in DB: add instance to DB, return (new instance, True)
|
|
-if instance exists in DB and was modified using Troggle: do nothing, return (existing instance, False)
|
|
-if instance exists in DB and was not modified using Troggle: overwrite instance, return (instance, False)
|
|
|
|
The checking is accomplished using Django's get_or_create and the new_since_parsing boolean field
|
|
defined in core.models.TroggleModel.
|
|
|
|
"""
|
|
try:
|
|
instance, created = objectType.objects.get_or_create(defaults=nonLookupAttribs, **lookupAttribs)
|
|
except:
|
|
print(" !! - FAIL in SAVE CAREFULLY ===================", objectType)
|
|
print(" !! - -- objects.get_or_create()")
|
|
print(" !! - lookupAttribs:{}\n !! - nonLookupAttribs:{}".format(lookupAttribs,nonLookupAttribs))
|
|
raise
|
|
if not created and not instance.new_since_parsing:
|
|
for k, v in list(nonLookupAttribs.items()): #overwrite the existing attributes from the logbook text (except date and title)
|
|
setattr(instance, k, v)
|
|
try:
|
|
instance.save()
|
|
except:
|
|
print(" !! - SAVE CAREFULLY ===================", objectType)
|
|
print(" !! - -- instance.save()")
|
|
print(" !! - lookupAttribs:{}\n !! - nonLookupAttribs:{}".format(lookupAttribs,nonLookupAttribs))
|
|
raise
|
|
try:
|
|
msg = str(instance)
|
|
except:
|
|
msg = "FAULT getting __str__ for instance with lookupattribs: {}:".format(lookupAttribs)
|
|
if created:
|
|
logging.info(str(instance) + ' was just added to the database for the first time. \n')
|
|
|
|
if not created and instance.new_since_parsing:
|
|
logging.info(str(instance) + " has been modified using Troggle, so the current script left it as is. \n")
|
|
|
|
if not created and not instance.new_since_parsing:
|
|
logging.info(str(instance) + " existed in the database unchanged since last parse. It was overwritten by the current script. \n")
|
|
return (instance, created)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|