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#!/usr/bin/env python
# -*- coding: utf-8 -*-
from argparse import RawTextHelpFormatter
import csv
import datetime
import os
import sys
from django.apps import apps
from django.conf import settings
from django.core.management.base import BaseCommand, CommandError
from django.template.defaultfilters import slugify
from ishtar_common import models_common
APPS = (
"ishtar_common",
"archaeological_operations",
"archaeological_context_records",
"archaeological_files",
"archaeological_finds",
"archaeological_warehouse",
)
log_path = os.sep.join([settings.ROOT_PATH, "logs"])
if not os.path.exists(log_path):
os.mkdir(log_path, mode=0o770)
def task_check_cached_label(quiet=False, log=False):
for model in apps.get_models():
if model.__name__.startswith("Historical"):
continue
if hasattr(model, "CACHED_LABELS") and model.CACHED_LABELS:
cached_keys = model.CACHED_LABELS
elif hasattr(model, "cached_label") and "Basket" not in model.__name__:
cached_keys = ["cached_label"]
else:
continue
store_results = []
msg = "-> processing {}: ".format(model._meta.verbose_name)
q = model.objects
ln = q.count()
changed_nb = 0
for idx, obj_id in enumerate(q.values("pk").all()):
obj = model.objects.get(pk=obj_id["pk"])
if not quiet:
cmsg = "\r{} {}/{}".format(msg, idx + 1, ln)
sys.stdout.write(cmsg)
sys.stdout.flush()
changed = False
for cached_key in cached_keys:
gen_func = "_generate_" + cached_key
if not hasattr(obj, gen_func):
continue
lbl = getattr(obj, gen_func)()
if lbl != getattr(obj, cached_key):
setattr(obj, cached_key, lbl)
if log:
store_results.append(
(
obj.pk,
str(obj),
cached_key,
getattr(obj, cached_key),
lbl,
)
)
changed = True
changed_nb += 1
if changed:
obj.skip_history_when_saving = True
obj._no_move = True
obj._no_geo_check = True
obj.save()
if not quiet:
if changed_nb:
cmsg = f"\r{msg} {changed_nb} updated" + 20 * " " + "\n"
else:
cmsg = " " * 80
sys.stdout.write(cmsg)
if log and changed_nb:
filename = f"{slugify(model.__name__)}-{get_time().replace(':', '')}.csv"
path = os.sep.join([log_path, filename])
with open(path, 'w+') as fle:
writer = csv.writer(fle)
writer.writerow(["id", "name", "attribute", "old", "new"])
writer.writerows(store_results)
if not quiet:
sys.stdout.write(f"log: {path} written.")
def task_main_image(quiet=False, log=False):
for model in apps.get_models():
if not issubclass(model, models_common.DocumentItem):
continue
if not hasattr(model, "main_image"):
continue
q = model.objects.filter(
main_image__isnull=True, documents__image__isnull=False
).exclude(documents__image="")
nb = q.count()
if not nb: # no image attached
continue
for item in q.all():
q_docs = item.documents.filter(image__isnull=False).exclude(image="")
item.main_image = q_docs.order_by("pk").all()[0]
item.skip_history_when_saving = True
item.save()
if not quiet:
sys.stdout.write(f"{nb} main image fixed for {model.__name__}\n")
def get_time():
return datetime.datetime.now().isoformat().split(".")[0]
TASKS = {
"main_image": {
"help": "for items with images and no main image, put the first one created as a main image.",
"action": task_main_image,
},
"cached_label": {
"help": "regenerate cached label on all tables if necessary",
"action": task_check_cached_label,
},
}
class Command(BaseCommand):
help = "Launch maintenance tasks: \n" + "\n".join(
[f"* {t}: {TASKS[t]['help']}" for t in TASKS.keys()]
)
def create_parser(self, *args, **kwargs):
parser = super(Command, self).create_parser(*args, **kwargs)
parser.formatter_class = RawTextHelpFormatter
return parser
def add_arguments(self, parser):
parser.add_argument("task")
parser.add_argument(
"--quiet", dest="quiet", action="store_true", help="Quiet output"
)
parser.add_argument(
"--log", dest="log", action="store_true", help="Log into a file"
)
def handle(self, *args, **options):
if options["task"] not in TASKS.keys():
msg = f"{options['task']} is not a valid task. Available tasks are:\n"
msg += "\n".join(TASKS.keys())
raise CommandError(msg)
log = options["log"]
quiet = options["quiet"]
if not quiet:
sys.stdout.write(f"[{get_time()}] Processing task {options['task']}\n")
errors = TASKS[options["task"]]["action"](quiet=quiet, log=log)
if not errors:
if not quiet:
sys.stdout.write(f"[{get_time()}] Task {options['task']} finished\n")
sys.exit()
if not quiet:
sys.stdout.write("\n".join(errors))
sys.exit(1)
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