67f3db1e03
enforce unique on names where it makes sense Signed-off-by: Jens Langhammer <jens@goauthentik.io>
59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
"""Migration helpers"""
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from typing import Iterable
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from django.apps.registry import Apps
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from django.db.backends.base.schema import BaseDatabaseSchemaEditor
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def fallback_names(app: str, model: str, field: str):
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"""Factory function that checks all instances of `app`.`model` instance's `field`
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to prevent any duplicates"""
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def migrator(apps: Apps, schema_editor: BaseDatabaseSchemaEditor):
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db_alias = schema_editor.connection.alias
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klass = apps.get_model(app, model)
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seen_names = []
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for obj in klass.objects.using(db_alias).all():
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value = getattr(obj, field)
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if value not in seen_names:
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seen_names.append(value)
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continue
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new_value = value + "_2"
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setattr(obj, field, new_value)
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obj.save()
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return migrator
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def progress_bar(iterable: Iterable):
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"""Call in a loop to create terminal progress bar
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https://stackoverflow.com/questions/3173320/text-progress-bar-in-the-console"""
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prefix = "Writing: "
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suffix = " finished"
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decimals = 1
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length = 100
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fill = "█"
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print_end = "\r"
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total = len(iterable)
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if total < 1:
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return
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def print_progress_bar(iteration):
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"""Progress Bar Printing Function"""
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percent = ("{0:." + str(decimals) + "f}").format(100 * (iteration / float(total)))
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filled_length = int(length * iteration // total)
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bar = fill * filled_length + "-" * (length - filled_length)
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print(f"\r{prefix} |{bar}| {percent}% {suffix}", end=print_end)
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# Initial Call
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print_progress_bar(0)
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# Update Progress Bar
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for i, item in enumerate(iterable):
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yield item
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print_progress_bar(i + 1)
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# Print New Line on Complete
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print()
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