Readul Hasan Chayan heemayl
heemayl
/ django_model_instance_clone_on_update.py
Created
October 23, 2019 12:02
Django : clone model instance on update via a descriptor (used as a decorator on `save` method)
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| class clone_on_update(object): | |
| """Descriptor to clone the model instance when any field | |
| is updated. This is meant to be set as a decorator on `save` | |
| method of the model. | |
| Initialization Args: | |
| - `condition` (str/callable) [Optional] (default: None) | |
| - `active_status_field` (str) [Optional] (default: None) | |
| - `update_one_to_one` (bool) [Optional] (default: True) |
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| #!/usr/bin/env gnuplot | |
| ## We are plotting a time-series data, Time in `HH:MM` is separated by a space with their respective Number, you can think of the number as the Number of Users of an Application. Here is a snippet of the input file "input.txt" (remove the hashes, of course): | |
| #12:00 2345 | |
| #12:15 5084 | |
| #12:30 2490 | |
| #12:45 3490 | |
| #13:00 4567 | |
| #13:15 4240 |