Django unchecked migration pre-commit

django-unchecked-migration-pre-commit

#!/usr/bin/env python3
import sys
import subprocess

p = subprocess.Popen("git ls-files --others --exclude-standard", shell=True, stdout=subprocess.PIPE)
out, err = p.communicate()

migrations = []
for unchecked_rp in out.decode('UTF-8').split('\n'):
    if "migrations" in unchecked_rp:
        # Look for a Migration class just to be sure?
        with open(unchecked_rp) as maybe_migration_fh:
            for line in maybe_migration_fh:
                if "class Migration" in line:
                    migrations.append(unchecked_rp)
                    break

if len(migrations) > 0:
    sys.stderr.write("Unchecked migrations detected: \n")
    for migration_name in migrations:
        sys.stderr.write(f"  * {migration_name}\n")
    sys.stderr.write("Commit all these files to permit a commit.\n")
    sys.exit(1)