Commit 61862327 authored by Lars Beckers's avatar Lars Beckers

add db-migration support and initial migration

parent 1b91c88e
Generic single-database configuration.
\ No newline at end of file
# A generic, single database configuration.
[alembic]
# template used to generate migration files
# file_template = %%(rev)s_%%(slug)s
# set to 'true' to run the environment during
# the 'revision' command, regardless of autogenerate
# revision_environment = false
# Logging configuration
[loggers]
keys = root,sqlalchemy,alembic
[handlers]
keys = console
[formatters]
keys = generic
[logger_root]
level = WARN
handlers = console
qualname =
[logger_sqlalchemy]
level = WARN
handlers =
qualname = sqlalchemy.engine
[logger_alembic]
level = INFO
handlers =
qualname = alembic
[handler_console]
class = StreamHandler
args = (sys.stderr,)
level = NOTSET
formatter = generic
[formatter_generic]
format = %(levelname)-5.5s [%(name)s] %(message)s
datefmt = %H:%M:%S
from __future__ import with_statement
from alembic import context
from sqlalchemy import engine_from_config, pool
from logging.config import fileConfig
import logging
# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config
# Interpret the config file for Python logging.
# This line sets up loggers basically.
fileConfig(config.config_file_name)
logger = logging.getLogger('alembic.env')
# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import mymodel
# target_metadata = mymodel.Base.metadata
from flask import current_app
config.set_main_option('sqlalchemy.url',
current_app.config.get('SQLALCHEMY_DATABASE_URI'))
target_metadata = current_app.extensions['migrate'].db.metadata
# other values from the config, defined by the needs of env.py,
# can be acquired:
# my_important_option = config.get_main_option("my_important_option")
# ... etc.
def run_migrations_offline():
"""Run migrations in 'offline' mode.
This configures the context with just a URL
and not an Engine, though an Engine is acceptable
here as well. By skipping the Engine creation
we don't even need a DBAPI to be available.
Calls to context.execute() here emit the given string to the
script output.
"""
url = config.get_main_option("sqlalchemy.url")
context.configure(url=url)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online():
"""Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
# this callback is used to prevent an auto-migration from being generated
# when there are no changes to the schema
# reference: http://alembic.readthedocs.org/en/latest/cookbook.html
def process_revision_directives(context, revision, directives):
if getattr(config.cmd_opts, 'autogenerate', False):
script = directives[0]
if script.upgrade_ops.is_empty():
directives[:] = []
logger.info('No changes in schema detected.')
engine = engine_from_config(config.get_section(config.config_ini_section),
prefix='sqlalchemy.',
poolclass=pool.NullPool)
connection = engine.connect()
context.configure(connection=connection,
target_metadata=target_metadata,
process_revision_directives=process_revision_directives,
**current_app.extensions['migrate'].configure_args)
try:
with context.begin_transaction():
context.run_migrations()
finally:
connection.close()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()
"""${message}
Revision ID: ${up_revision}
Revises: ${down_revision}
Create Date: ${create_date}
"""
# revision identifiers, used by Alembic.
revision = ${repr(up_revision)}
down_revision = ${repr(down_revision)}
from alembic import op
import sqlalchemy as sa
${imports if imports else ""}
def upgrade():
${upgrades if upgrades else "pass"}
def downgrade():
${downgrades if downgrades else "pass"}
"""empty message
Revision ID: 68688a3014
Revises: None
Create Date: 2015-10-02 17:36:48.851931
"""
# revision identifiers, used by Alembic.
revision = '68688a3014'
down_revision = None
from alembic import op
import sqlalchemy as sa
def upgrade():
### commands auto generated by Alembic - please adjust! ###
op.create_table('events',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('name', sa.String(), nullable=True),
sa.Column('mode', sa.String(), nullable=True),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('name')
)
op.create_table('users',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('fullname', sa.String(), nullable=True),
sa.Column('username', sa.String(), nullable=True),
sa.Column('password', sa.String(), nullable=True),
sa.Column('roles', sa.PickleType(), nullable=True),
sa.Column('temp_key', sa.String(), nullable=True),
sa.Column('temp_key_timestamp', sa.DateTime(), nullable=True),
sa.PrimaryKeyConstraint('id'),
sa.UniqueConstraint('username')
)
op.create_table('speakers',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('name', sa.String(), nullable=True),
sa.Column('event', sa.Integer(), nullable=False),
sa.ForeignKeyConstraint(['event'], ['events.id'], ),
sa.PrimaryKeyConstraint('id')
)
op.create_table('statements',
sa.Column('id', sa.Integer(), nullable=False),
sa.Column('speaker', sa.Integer(), nullable=False),
sa.Column('event', sa.Integer(), nullable=False),
sa.Column('insertion_time', sa.DateTime(), nullable=True),
sa.Column('executed', sa.Boolean(), nullable=True),
sa.Column('execution_time', sa.DateTime(), nullable=True),
sa.ForeignKeyConstraint(['event'], ['events.id'], ),
sa.ForeignKeyConstraint(['speaker'], ['speakers.id'], ),
sa.PrimaryKeyConstraint('id')
)
### end Alembic commands ###
def downgrade():
### commands auto generated by Alembic - please adjust! ###
op.drop_table('statements')
op.drop_table('speakers')
op.drop_table('users')
op.drop_table('events')
### end Alembic commands ###
......@@ -14,3 +14,5 @@ itsdangerous==0.24
passlib==1.6.1
psycopg2==2.6.1
wheel==0.24.0
Flask-Script
Flask-Migrate
......@@ -3,6 +3,8 @@
from flask import Flask, g, current_app, request, session, flash, redirect, url_for, abort
from flask.ext.login import login_user, logout_user, login_required, current_user
from flask.ext.principal import Principal, Identity, AnonymousIdentity, identity_changed, identity_loaded, UserNeed, RoleNeed
from flask.ext.script import Manager
from flask.ext.migrate import Migrate, MigrateCommand
from passlib.hash import pbkdf2_sha256
import config
......@@ -13,6 +15,9 @@ from models.database import User, Statement, Speaker, Event
app = Flask(__name__)
app.config.from_object(config)
db.init_app(app)
migrate = Migrate(app, db)
manager = Manager(app)
manager.add_command('db', MigrateCommand)
login_manager.init_app(app)
login_manager.login_view = "login"
login_manager.login_message_category = "alert-error"
......@@ -23,7 +28,6 @@ from modules import admin, speech
app.register_blueprint(admin.admin, url_prefix="/admin")
app.register_blueprint(speech.speech, url_prefix="/speech")
db.create_all(app=app)
@app.route("/")
def index():
......@@ -132,4 +136,4 @@ def load_user(user_id):
return db.session.query(User).filter_by(id=user_id).first()
if __name__ == "__main__":
app.run(debug=config.DEBUG)
manager.run()
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