Add omitted files to basiclayout step

4 files changed, 127 insertions, 0 deletions

diff --git a/docs/tutorials/wiki2/src/basiclayout/tutorial/alembic/env.py b/docs/tutorials/wiki2/src/basiclayout/tutorial/alembic/env.py
new file mode 100644
index 000000000..730785899
--- /dev/null
+++ b/docs/tutorials/wiki2/src/basiclayout/tutorial/alembic/env.py
@@ -0,0 +1,58 @@
+"""Pyramid bootstrap environment. """
+from alembic import context
+from pyramid.paster import get_appsettings, setup_logging
+
+from tutorial.models import get_engine
+from tutorial.models.meta import Base
+
+config = context.config
+
+setup_logging(config.config_file_name)
+
+settings = get_appsettings(config.config_file_name)
+target_metadata = Base.metadata
+
+
+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.
+
+    """
+    context.configure(url=settings['sqlalchemy.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.
+
+    """
+    engine = get_engine(settings)
+
+    connection = engine.connect()
+    context.configure(
+        connection=connection,
+        target_metadata=target_metadata
+    )
+
+    try:
+        with context.begin_transaction():
+            context.run_migrations()
+    finally:
+        connection.close()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
diff --git a/docs/tutorials/wiki2/src/basiclayout/tutorial/alembic/script.py.mako b/docs/tutorials/wiki2/src/basiclayout/tutorial/alembic/script.py.mako
new file mode 100644
index 000000000..2c0156303
--- /dev/null
+++ b/docs/tutorials/wiki2/src/basiclayout/tutorial/alembic/script.py.mako
@@ -0,0 +1,24 @@
+"""${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"}
diff --git a/docs/tutorials/wiki2/src/basiclayout/tutorial/alembic/versions/README.txt b/docs/tutorials/wiki2/src/basiclayout/tutorial/alembic/versions/README.txt
new file mode 100644
index 000000000..09ed32c8d
--- /dev/null
+++ b/docs/tutorials/wiki2/src/basiclayout/tutorial/alembic/versions/README.txt
@@ -0,0 +1 @@
+Placeholder for alembic versions
\ No newline at end of file
diff --git a/docs/tutorials/wiki2/src/basiclayout/tutorial/scripts/initialize_db.py b/docs/tutorials/wiki2/src/basiclayout/tutorial/scripts/initialize_db.py
new file mode 100644
index 000000000..5b129e761
--- /dev/null
+++ b/docs/tutorials/wiki2/src/basiclayout/tutorial/scripts/initialize_db.py
@@ -0,0 +1,44 @@
+import os
+import sys
+
+from pyramid.paster import bootstrap, setup_logging
+from sqlalchemy.exc import OperationalError
+
+from .. import models
+
+
+def setup_models(dbsession):
+    model = models.MyModel(name='one', value=1)
+    dbsession.add(model)
+
+
+def usage(argv):
+    cmd = os.path.basename(argv[0])
+    print('usage: %s <config_uri>\n'
+          '(example: "%s development.ini")' % (cmd, cmd))
+    sys.exit(1)
+
+
+def main(argv=sys.argv):
+    if len(argv) != 2:
+        usage(argv)
+    config_uri = argv[1]
+    setup_logging(config_uri)
+    env = bootstrap(config_uri)
+
+    try:
+        with env['request'].tm:
+            dbsession = env['request'].dbsession
+            setup_models(dbsession)
+    except OperationalError:
+        print('''
+Pyramid is having a problem using your SQL database.  The problem
+might be caused by one of the following things:
+
+1.  You may need to initialize your database tables with `alembic`.
+    Check your README.txt for description and try to run it.
+
+2.  Your database server may not be running.  Check that the
+    database server referred to by the "sqlalchemy.url" setting in
+    your "development.ini" file is running.
+            ''')