Zack C Flask To Do

migrations/README

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+Generic single-database configuration.

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
+
+[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

migrations/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
+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.
+
+    """
+    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
+                )
+
+    try:
+        with context.begin_transaction():
+            context.run_migrations()
+    finally:
+        connection.close()
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    run_migrations_online()
+

migrations/script.py.mako

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+"""${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"}

migrations/versions/4dda8ccc9dc_.py

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+"""empty message
+
+Revision ID: 4dda8ccc9dc
+Revises: None
+Create Date: 2015-02-18 15:07:28.372334
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '4dda8ccc9dc'
+down_revision = None
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('todo',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('task', sa.String(length=255), nullable=False),
+    sa.Column('completed_at', sa.DateTime(), nullable=True),
+    sa.Column('due_date', sa.DateTime(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    ### end Alembic commands ###
+
+
+def downgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_table('todo')
+    ### end Alembic commands ###

run.py

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+from flask.ext.script import Manager
+from flask.ext.migrate import Migrate, MigrateCommand
+from to_do.app import app, db
+
+migrate = Migrate(app, db)
+manager = Manager(app)
+manager.add_command('db', MigrateCommand)
+
+manager.run()

tests/test_to_do.py

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+import pytest
+import to_do
+
+
+def test_create_db():
+    to_do.init_db()
+    if '/tmp/to_do.db':
+        assert True
+
+def test_add_task():
+    task = 'take dog out'
+    to_do.add_task(task)
+    assert task in '/tmp/to_do.db'
+
+def test_get_tasks():
+    to_do.add_task('take dog out')
+    assert to_do.get_tasks()[1] == 'take dog out'
+
+def test_delete_task():
+    to_do.add_task('take dog out')
+    to_do.delete_task(get_tasks()[0])
+    assert to_do.get_tasks == False

to_do/app.py

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+from flask import Flask
+from flask.ext.sqlalchemy import SQLAlchemy
+
+
+DATABASE = '/tmp/to_do.db'
+DEBUG = True
+SECRET_KEY = 'development-key'
+SQLALCHEMY_DATABASE_URI = "sqlite:///" + DATABASE
+
+app = Flask(__name__)
+app.config.from_object(__name__)
+db = SQLAlchemy(app)
+
+class Todo(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    text = db.Column(db.String(255), nullable=False)
+    completed_at = db.Column(db.DateTime)
+    due_date = db.Column(db.DateTime)
+
+    def __init__(self, text, due_date=None):
+        self.text = text
+        self.due_date = due_date
+
+    def __repr__(self):
+        return "<Todo {}>".format(self.text)
+
+
+import to_do.views

to_do/forms.py

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+from flask_wtf import Form
+from wtforms import StringField, DateField
+from wtforms.validators import DataRequired
+
+class TodoForm(Form):
+    text = StringField('text', validators=[DataRequired()])
+    due_date = DateField('due_date')