move migration, bugfixes, ....

lenticular_cloud/migrations/README

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+Single-database configuration for Flask.

lenticular_cloud/migrations/alembic.ini

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+# 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,flask_migrate
+
+[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
+
+[logger_flask_migrate]
+level = INFO
+handlers =
+qualname = flask_migrate
+
+[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

lenticular_cloud/migrations/env.py

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+from __future__ import with_statement
+
+import logging
+from logging.config import fileConfig
+
+from flask import current_app
+
+from alembic import context
+
+# 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
+config.set_main_option(
+    'sqlalchemy.url',
+    str(current_app.extensions['migrate'].db.get_engine().url).replace(
+        '%', '%%'))
+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, target_metadata=target_metadata, literal_binds=True
+    )
+
+    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.zzzcomputing.com/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.')
+
+    connectable = current_app.extensions['migrate'].db.get_engine()
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata,
+            process_revision_directives=process_revision_directives,
+            **current_app.extensions['migrate'].configure_args
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

lenticular_cloud/migrations/script.py.mako

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+"""${message}
+
+Revision ID: ${up_revision}
+Revises: ${down_revision | comma,n}
+Create Date: ${create_date}
+
+"""
+from alembic import op
+import sqlalchemy as sa
+${imports if imports else ""}
+
+# revision identifiers, used by Alembic.
+revision = ${repr(up_revision)}
+down_revision = ${repr(down_revision)}
+branch_labels = ${repr(branch_labels)}
+depends_on = ${repr(depends_on)}
+
+
+def upgrade():
+    ${upgrades if upgrades else "pass"}
+
+
+def downgrade():
+    ${downgrades if downgrades else "pass"}

lenticular_cloud/migrations/versions/52a21983d2a8_add_webauthn.py

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+"""add webauthn
+
+Revision ID: 52a21983d2a8
+Revises: ff2f2e871dfc
+Create Date: 2022-02-20 17:00:04.531393
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '52a21983d2a8'
+down_revision = 'ff2f2e871dfc'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('webauthn_credential',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('user_id', sa.String(length=36), nullable=False),
+    sa.Column('user_handle', sa.String(length=64), nullable=False),
+    sa.Column('credential_data', sa.LargeBinary(), nullable=False),
+    sa.Column('name', sa.String(length=250), nullable=True),
+    sa.Column('registered', sa.DateTime(), nullable=True),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id')
+    )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('webauthn_credential')
+    # ### end Alembic commands ###

lenticular_cloud/migrations/versions/ff2f2e871dfc_init.py

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+"""init
+
+Revision ID: ff2f2e871dfc
+Revises: 
+Create Date: 2022-02-20 16:56:13.258209
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy import engine_from_config
+from sqlalchemy.engine import reflection
+
+
+
+# revision identifiers, used by Alembic.
+revision = 'ff2f2e871dfc'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+
+    # init sate, migrate from non versioned db schema
+    # by checking if tables exist
+    
+    config = op.get_context().config
+    engine = engine_from_config(
+        config.get_section(config.config_ini_section), prefix="sqlalchemy."
+    )
+    inspector = reflection.Inspector.from_engine(engine)
+    tables = inspector.get_table_names()
+
+    if 'user' not in tables:
+        op.create_table('user',
+        sa.Column('id', sa.String(length=36), nullable=False),
+        sa.Column('username', sa.String(), nullable=False),
+        sa.Column('alternative_email', sa.String(), nullable=True),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+        sa.Column('modified_at', sa.DateTime(), nullable=False),
+        sa.Column('last_login', sa.DateTime(), nullable=True),
+        sa.PrimaryKeyConstraint('id'),
+        sa.UniqueConstraint('username')
+        )
+    if 'user_sign_up' not in tables:
+        op.create_table('user_sign_up',
+        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('username', sa.String(), nullable=False),
+        sa.Column('password', sa.String(), nullable=False),
+        sa.Column('alternative_email', sa.String(), nullable=True),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+        sa.PrimaryKeyConstraint('id')
+        )
+    if 'totp' not in tables:
+        op.create_table('totp',
+        sa.Column('id', sa.Integer(), nullable=False),
+        sa.Column('secret', sa.String(), nullable=False),
+        sa.Column('name', sa.String(), nullable=False),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+        sa.Column('user_id', sa.String(length=36), nullable=False),
+        sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
+        sa.PrimaryKeyConstraint('id')
+        )
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    pass
+    # ### commands auto generated by Alembic - please adjust! ###
+    #op.drop_table('totp')
+    #op.drop_table('user_sign_up')
+    #op.drop_table('user')
+    # ### end Alembic commands ###