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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Tue Feb 6 12:41:05 2018
@author: Paolo Cozzi <[email protected]>
Common functions in image_app
import re
from .models import Animal, Sample
# a pattern to correctly parse aliases
ALIAS_PATTERN = re.compile(r"IMAGE([AS])([0-9]+)")
def parse_image_alias(alias):
"""Parse alias and return table and pk"""
match = re.search(ALIAS_PATTERN, alias)
letter, padded_pk = match.groups()
table, pk = None, None
if letter == "A":
table = "Animal"
elif letter == "S":
table = "Sample"
pk = int(padded_pk)
return table, pk
def get_model_object(table, pk):
"""Get a model object relying on table name (Sample/Alias) and pk"""
# get sample object
if table == "Animal":
sample_obj = Animal.objects.get(pk=pk)
elif table == "Sample":
sample_obj = Sample.objects.get(pk=pk)
else:
raise Exception("Unknown table '%s'" % (table))
return sample_obj
cnr-ibba /
IMAGE-InjectTool
