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August 29, 2015 14:02
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Generate south depends_on based on the current django project tree
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| depends_on = ( | |
| ('about', '0004_fake_user_fk'), | |
| ('accounts', '0029_auto__del_registration'), | |
| ('activity_feed', '0002_fake_user_fk'), | |
| ('analytics', '0006_add_labels'), | |
| ('art', '0036_auto__chg_field_packpurchase_royalty_millicents_per_credit__chg_field_'), | |
| ('bots', '0002_fake_user_fk'), | |
| ('comments', '0002_fake_user_fk'), | |
| ('core', '0012_auto__del_field_creatorprofile_points_balance__add_field_creatorprofil'), | |
| ('creator', '0002_fake_user_fk'), | |
| ('dev', '0002_fake_user_fk'), | |
| ('display_case', '0003_auto'), | |
| ('emotes', '0009_fake_user_fk'), | |
| ('front_admin', '0002_fake_user_fk'), | |
| ('home_page', '0005_fake_user_fk'), | |
| ('jasmine', '0002_fake_user_fk'), | |
| ('lessons', '0002_fake_user_fk'), | |
| ('mail', '0004_fake_user_fk'), | |
| ('nm', '0002_fake_user_fk'), | |
| ('notifications', '0002_fake_user_fk'), | |
| ('payments', '0015_auto__add_royaltypayout'), | |
| ('rewards', '0009_delete_invite_based_rewards'), | |
| ('search', '0002_fake_user_fk'), | |
| ('social', '0003_fake_user_fk'), | |
| ('tips', '0002_auto__add_field_tip_start__add_field_tip_end'), | |
| ('trades', '0004_auto__del_index_tradeoffer_role'), | |
| ) |
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| import subprocess | |
| from collections import defaultdict | |
| def ls_migrations(project_path): | |
| command = ['find', project_path, '-ipath', '*/migrations/*', '-iname', '*.py'] | |
| finder = subprocess.Popen(command, stdout=subprocess.PIPE) | |
| for line in finder.stdout.read().split('\n'): | |
| if not '/migrations/' in line: | |
| continue | |
| before_migration, after_migration = line.split('/migrations/') | |
| app_name = before_migration.split('/')[-1] | |
| step_name = after_migration.split('.')[0] | |
| if step_name == '__init__': | |
| continue | |
| step_number = int(step_name.split('_')[0]) | |
| yield app_name.lower(), step_name, step_number | |
| def max_migrations(migrations): | |
| max_per_app = defaultdict(int) | |
| step_per_app = {} | |
| for app, step, step_number in migrations: | |
| if max_per_app[app] < step_number: | |
| max_per_app[app] = step_number | |
| step_per_app[app] = step | |
| return step_per_app | |
| def format_depends_on(per_app): | |
| if not per_app: | |
| print "depends_on = (,)" | |
| return | |
| print "depends_on = (" | |
| for (app, step) in sorted(per_app.items()): | |
| print " ('%s', '%s')," % (app, step) | |
| print ")" | |
| if __name__ == '__main__': | |
| import sys | |
| format_depends_on(max_migrations(ls_migrations(sys.argv[1]))) |
Nice.
Useful. Thanks.
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python make_depends_on.py /path/to/django/project/