initial import

alembic/README

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+Generic single-database configuration.

alembic/env.py

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+from __future__ import with_statement
+from alembic import context
+from sqlalchemy import engine_from_config, pool
+from logging.config import fileConfig
+
+# 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)
+
+# add your model's MetaData object here
+# for 'autogenerate' support
+# from myapp import mymodel
+# target_metadata = mymodel.Base.metadata
+import sys
+sys.path.append(".")
+from db import Base
+target_metadata = Base.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.
+
+    """
+    connectable = engine_from_config(
+        config.get_section(config.config_ini_section),
+        prefix='sqlalchemy.',
+        poolclass=pool.NullPool)
+
+    with connectable.connect() as connection:
+        context.configure(
+            connection=connection,
+            target_metadata=target_metadata
+        )
+
+        with context.begin_transaction():
+            context.run_migrations()
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()

alembic/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"}

alembic/versions/131d925693a4_added_hnid_column.py

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+"""added hnid column
+
+Revision ID: 131d925693a4
+Revises: d1f648fcd62a
+Create Date: 2016-12-05 19:12:17.872699
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '131d925693a4'
+down_revision = 'd1f648fcd62a'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('found_items', sa.Column('hnid', sa.String(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('found_items', 'hnid')
+    # ### end Alembic commands ###

alembic/versions/d1f648fcd62a_create_initial_state.py

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+"""create initial state
+
+Revision ID: d1f648fcd62a
+Revises: 
+Create Date: 2016-12-05 18:37:48.117437
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'd1f648fcd62a'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table('trained_items',
+                    sa.Column('name', sa.String, primary_key=True),
+                    sa.Column('state', sa.Boolean))
+    op.create_table('found_items',
+                    sa.Column('id', sa.Integer, primary_key=True),
+                    sa.Column('name', sa.String),
+                    sa.Column('url', sa.String, unique=True, index=True),
+                    sa.Column('date', sa.DateTime, index=True),
+                    sa.Column('rating', sa.Float))
+    pass
+
+
+def downgrade():
+    op.drop_table('trained_items')
+    op.drop_table('found_items')

alembic/versions/d1f648fcd62a_create_initial_state.py~

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+"""create initial state
+
+Revision ID: d1f648fcd62a
+Revises: 
+Create Date: 2016-12-05 18:37:48.117437
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'd1f648fcd62a'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    
+    pass
+
+
+def downgrade():
+    op.drop_table('')

alembic/versions/e07ebf603ff2_added_comment_count_column.py

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+"""added comment_count column
+
+Revision ID: e07ebf603ff2
+Revises: 131d925693a4
+Create Date: 2016-12-05 19:49:45.783201
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'e07ebf603ff2'
+down_revision = '131d925693a4'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('found_items', sa.Column('comment_count', sa.Integer(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column('found_items', 'comment_count')
+    # ### end Alembic commands ###