Created
June 21, 2019 01:06
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@click.command("db-migration") | |
@with_appcontext | |
def migrate_schema(): | |
migrations_path = "./migrations" | |
# find the database 'user_version' | |
data = get_db() | |
current_version = data.execute("PRAGMA user_version").fetchone()[0] | |
# iterate files in schema dir and find right file to start with | |
files = [ | |
f | |
for f in os.listdir(migrations_path) | |
if os.path.isfile(os.path.join(migrations_path, f)) | |
and int(os.path.splitext(f)[0]) > current_version | |
] | |
if len(files) > 0: | |
try: | |
with data: | |
for migration in files: | |
with open(os.path.join(migrations_path, migration)) as f: | |
data.executescript(f.read()) | |
data.execute(f"PRAGMA user_version = {current_version + 1}").fetchone() | |
except sqlite3.Error as err: | |
print(f"Could not execute script {migration}:\n{err}") | |
else: | |
print(f"Database schema up to date at version {current_version}") | |
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