├── .gitignore ├── README.md ├── requirements.txt ├── sleepy ├── __init__.py ├── api_mongoengine.py ├── api_peewee.py ├── api_pony.py ├── api_sqlalchemy.py ├── api_stdnet.py ├── serializers.py ├── static │ ├── site.css │ ├── site.js │ └── vendor │ │ ├── bootstrap.min.css │ │ └── jquery-1.10.2.min.js └── templates │ └── index.html └── tests ├── __init__.py ├── test_mongoengine_app.py ├── test_peewee_app.py ├── test_pony_app.py ├── test_sqlalchemy_app.py └── test_stdnet_app.py /.gitignore: -------------------------------------------------------------------------------- 1 | ########## Generated by gig ########### 2 | 3 | ### Python ### 4 | # Byte-compiled / optimized / DLL files 5 | __pycache__/ 6 | *.py[cod] 7 | 8 | # C extensions 9 | *.so 10 | 11 | # Distribution / packaging 12 | bin/ 13 | build/ 14 | develop-eggs/ 15 | dist/ 16 | eggs/ 17 | lib/ 18 | lib64/ 19 | parts/ 20 | sdist/ 21 | var/ 22 | *.egg-info/ 23 | .installed.cfg 24 | *.egg 25 | 26 | # Installer logs 27 | pip-log.txt 28 | pip-delete-this-directory.txt 29 | 30 | # Unit test / coverage reports 31 | .tox/ 32 | .coverage 33 | .cache 34 | nosetests.xml 35 | coverage.xml 36 | 37 | # Translations 38 | *.mo 39 | 40 | # Mr Developer 41 | .mr.developer.cfg 42 | .project 43 | .pydevproject 44 | 45 | # Rope 46 | .ropeproject 47 | 48 | # Django stuff: 49 | *.log 50 | *.pot 51 | 52 | # Sphinx documentation 53 | docs/_build/ 54 | 55 | *.db 56 | *.rdb 57 | 58 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Python ORM/ODM Examples, For The Sleepy 2 | 3 | The same RESTful API (an inventory app), implemented using different ORM/ODMs--a sort of "Hello World" tour of Python data mapper libraries. 4 | 5 | Each example demonstrates the syntax for declaring models as well as basic querying, inserting, updating, and deleting of records. 6 | 7 | 8 | ## Featuring. . . 9 | 10 | **[SQLAlchemy](http://www.sqlalchemy.org/)** (Relational DBs) 11 | 12 | [Full Example](https://github.com/sloria/PythonORMSleepy/blob/master/sleepy/api_sqlalchemy.py) 13 | 14 | ```python 15 | hour_ago = datetime.utcnow() - timedelta(hours=1) 16 | recent_items = Item.query.filter(Item.checked_out & 17 | (Item.updated > hour_ago)) \ 18 | .order_by(Item.updated.desc()).all() 19 | ``` 20 | 21 | **[Peewee](http://peewee.readthedocs.org/en/latest/)** (Relational DBs) 22 | 23 | [Full Example](https://github.com/sloria/PythonORMSleepy/blob/master/sleepy/api_peewee.py) 24 | 25 | ```python 26 | hour_ago = datetime.utcnow() - timedelta(hours=1) 27 | recent_items =Item.select().where(Item.checked_out & 28 | (Item.updated > hour_ago)) \ 29 | .order_by(Item.updated.desc()) 30 | ``` 31 | 32 | **[Mongoengine](http://mongoengine.org)** (MongoDB) 33 | 34 | [Full Example](https://github.com/sloria/PythonORMSleepy/blob/master/sleepy/api_mongoengine.py) 35 | 36 | ```python 37 | hour_ago = datetime.utcnow() - timedelta(hours=1) 38 | recent_items = Item.objects(checked_out=True, updated__gt=hour_ago)\ 39 | .order_by("-updated") 40 | ``` 41 | 42 | **[Stdnet](http://pythonhosted.org/python-stdnet/index.html)** (Redis) 43 | 44 | [Full Example](https://github.com/sloria/PythonORMSleepy/blob/master/sleepy/api_stdnet.py) 45 | 46 | ```python 47 | hour_ago = datetime.utcnow() - timedelta(hours=1) 48 | recent_items = models.item.filter(checked_out=True, updated__gt=hour_ago)\ 49 | .sort_by("-updated").all() 50 | ``` 51 | 52 | **[Pony](http://ponyorm.com/)** (Relational DBs) 53 | 54 | [Full Example](https://github.com/sloria/PythonORMSleepy/blob/master/sleepy/api_pony.py) 55 | 56 | ```python 57 | hour_ago = datetime.utcnow() - timedelta(hours=1) 58 | recent_items = orm.select(item for item in Item 59 | if item.checked_out and 60 | item.updated > hour_ago)\ 61 | .order_by(Item.updated.desc())[:] 62 | ``` 63 | 64 | 65 | . . . and more to come. 66 | 67 | Each of these was put to REST by [Flask](http://flask.pocoo.org), [Flask-Classy](http://pythonhosted.org/Flask-Classy/), and [marshmallow](http://marshmallow.readthedocs.org). 68 | 69 | ## Running an example 70 | 71 | First, install dependencies. 72 | 73 | $ pip install -r requirements.txt 74 | 75 | Then run the example of your choice. 76 | 77 | $ python sleepy/api_sqlalchemy.py 78 | 79 | ## Browser interface 80 | An interactive browser interface is included to test out the REST API. 81 | 82 | Browser interface 83 | 84 | To use the browser interface, run an example and browse to `http://localhost:5000`. 85 | 86 | ## "Why isn't _____ included here?" 87 | 88 | To which I respond: Why don't you [fork](https://github.com/sloria/PythonORMSleepy/fork) this project? 89 | 90 | 91 | 92 | ## License 93 | 94 | [MIT Licensed](http://sloria.mit-license.org/). 95 | -------------------------------------------------------------------------------- /requirements.txt: -------------------------------------------------------------------------------- 1 | # Flask 2 | Flask==0.10.1 3 | MarkupSafe==0.18 4 | Werkzeug==0.9.4 5 | itsdangerous==0.23 6 | Jinja2==2.7.1 7 | 8 | # API 9 | marshmallow>=0.5.0 10 | Flask-Classy==0.6.8 11 | 12 | # Testing 13 | nose==1.3.0 14 | Flask-Testing==0.4 15 | 16 | # SQLA 17 | SQLAlchemy==0.8.3 18 | Flask-SQLAlchemy==1.0 19 | 20 | # Peewee 21 | peewee==2.1.6 22 | flask-peewee==0.6.5 23 | 24 | # Mongoengine 25 | pymongo==2.6.3 26 | mongoengine==0.8.4 27 | flask-mongoengine==0.7.0 28 | 29 | # StdNet 30 | redis==2.8.0 31 | python-stdnet==0.8.2 32 | 33 | # Pony 34 | pony==0.4.9 35 | 36 | -------------------------------------------------------------------------------- /sleepy/__init__.py: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sloria/PythonORMSleepy/ff62766d5b32dd586ab3f1e928f01d01fc9116d0/sleepy/__init__.py -------------------------------------------------------------------------------- /sleepy/api_mongoengine.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | '''Hello Mongoengine.''' 4 | from datetime import datetime, timedelta 5 | 6 | from flask import Flask, jsonify, request, render_template, abort 7 | from flask.ext.classy import FlaskView 8 | from flask.ext.mongoengine import MongoEngine 9 | from marshmallow import fields, Serializer 10 | import mongoengine as mdb 11 | 12 | 13 | class Settings: 14 | MONGODB_SETTINGS = { 15 | "DB": "inventory", 16 | } 17 | DEBUG = True 18 | 19 | app = Flask(__name__) 20 | app.config.from_object(Settings) 21 | 22 | ### Models ### 23 | 24 | db = MongoEngine(app) 25 | 26 | class Item(db.Document): 27 | name = mdb.StringField(max_length=100, required=True) 28 | checked_out = mdb.BooleanField(default=False) 29 | updated = mdb.DateTimeField(default=datetime.utcnow) 30 | 31 | def __repr__(self): 32 | return ''.format(self.name) 33 | 34 | 35 | class Person(db.Document): 36 | firstname = mdb.StringField(max_length=80, required=True) 37 | lastname = mdb.StringField(max_length=80, required=True) 38 | created = mdb.DateTimeField(default=datetime.utcnow) 39 | # Denormalize the items collection because there are no joins in MongoDB 40 | items = mdb.ListField(mdb.ReferenceField(Item)) 41 | 42 | def __repr__(self): 43 | return "".format(self.firstname, self.lastname) 44 | 45 | def get_item_person(item): 46 | '''Get an item's parent person.''' 47 | return Person.objects(items__in=[item]).first() 48 | 49 | ### Custom Serializers ### 50 | 51 | class PersonDocSerializer(Serializer): 52 | id = fields.String() 53 | name = fields.Function(lambda p: "{0}, {1}".format(p['lastname'], p['firstname'])) 54 | created = fields.DateTime() 55 | n_items = fields.Function(lambda p: len(p['items'])) 56 | 57 | class ItemDocSerializer(Serializer): 58 | id = fields.String() 59 | person = fields.Method("get_person") 60 | class Meta: 61 | additional = ('name', 'checked_out', 'updated') 62 | 63 | def get_person(self, item): 64 | person = Person.objects(items__in=[item['id']]).first() 65 | return PersonDocSerializer(person._data).data 66 | 67 | ### API ### 68 | 69 | class ItemsView(FlaskView): 70 | route_base = '/items/' 71 | 72 | def index(self): 73 | '''Get all items.''' 74 | all_items = Item.objects.order_by("-updated") 75 | # Serializer takes data dict for each item 76 | item_data = [item._data for item in all_items] 77 | data = ItemDocSerializer(item_data, many=True).data 78 | return jsonify({"items": data}) 79 | 80 | def get(self, id): 81 | '''Get an item.''' 82 | try: 83 | item = Item.objects.get_or_404(id=id) 84 | except mdb.ValidationError: # Invalid ID 85 | abort(404) 86 | return jsonify(ItemDocSerializer(item._data).data) 87 | 88 | def post(self): 89 | '''Insert a new item.''' 90 | data = request.json 91 | name = data.get("name", None) 92 | checked_out = data.get("checked_out", False) 93 | if not name: 94 | abort(400) 95 | item = Item(name=name, checked_out=checked_out) 96 | item.save() 97 | person_id = data.get("person_id") 98 | if person_id: 99 | person = Person.objects(id=person_id).first() 100 | if not person: 101 | abort(404) 102 | # Add item to person's items list 103 | person.items.append(item) 104 | person.save() 105 | return jsonify({"message": "Successfully added new item", 106 | "item": ItemDocSerializer(item._data).data}), 201 107 | 108 | def delete(self, id): 109 | '''Delete an item.''' 110 | item = Item.objects.get_or_404(id=id) 111 | item.delete() 112 | return jsonify({"message": "Successfully deleted item.", 113 | "id": str(item.id)}), 200 114 | 115 | def put(self, id): 116 | '''Update an item.''' 117 | item = Item.objects.get_or_404(id=id) 118 | # Update item 119 | item.name = request.json.get("name", item.name) 120 | item.checked_out = request.json.get("checked_out", item.checked_out) 121 | if request.json.get("person_id"): 122 | person = Person.objects(id=str(request.json['person_id'])).first() 123 | if person: 124 | # remove the item from its person's items list and add it to the 125 | # new person's items list 126 | old_person = get_item_person(item) 127 | old_person.items.remove(item) 128 | old_person.save() 129 | person.items.append(item) 130 | person.save() 131 | item.updated = datetime.utcnow() 132 | item.save() 133 | return jsonify({"message": "Successfully updated item.", 134 | "item": ItemDocSerializer(item._data).data}) 135 | 136 | 137 | class PeopleView(FlaskView): 138 | route_base = '/people/' 139 | 140 | def index(self): 141 | '''Get all people, ordered by creation date.''' 142 | all_people = Person.objects.order_by("-created") 143 | people_data = [p._data for p in all_people] # Data for serializer 144 | data = PersonDocSerializer(people_data, many=True).data 145 | return jsonify({"people": data}) 146 | 147 | def get(self, id): 148 | '''Get a person.''' 149 | try: 150 | person = Person.objects.get_or_404(id=str(id)) 151 | except mdb.ValidationError: # Invalid ID 152 | abort(404) 153 | return jsonify(PersonDocSerializer(person._data).data) 154 | 155 | def post(self): 156 | '''Insert a new person.''' 157 | data = request.json 158 | firstname = data.get("firstname") 159 | lastname = data.get("lastname") 160 | if not firstname or not lastname: 161 | abort(400) 162 | person = Person(firstname=firstname, lastname=lastname) 163 | person.save() 164 | return jsonify({"message": "Successfully added new person.", 165 | "person": PersonDocSerializer(person._data).data}), 201 166 | 167 | def delete(self, id): 168 | '''Delete a person.''' 169 | person = Person.objects.get_or_404(id=id) 170 | pid = person.id 171 | person.delete() 172 | return jsonify({"message": "Successfully deleted person.", 173 | "id": str(pid)}), 200 174 | 175 | class RecentCheckoutsView(FlaskView): 176 | '''Demonstrates a more complex query.''' 177 | 178 | route_base = '/recentcheckouts/' 179 | 180 | def index(self): 181 | '''Return items checked out in the past hour.''' 182 | hour_ago = datetime.utcnow() - timedelta(hours=1) 183 | recent = Item.objects(checked_out=True, updated__gt=hour_ago)\ 184 | .order_by("-updated") 185 | recent_data = [i._data for i in recent] 186 | serialized = ItemDocSerializer(recent_data, many=True) 187 | return jsonify({"items": serialized.data}) 188 | 189 | @app.route("/") 190 | def home(): 191 | return render_template('index.html', orm="Mongoengine") 192 | 193 | def drop_collections(): 194 | Person.drop_collection() 195 | Item.drop_collection() 196 | 197 | # Register views 198 | api_prefix = "/api/v1/" 199 | ItemsView.register(app, route_prefix=api_prefix) 200 | PeopleView.register(app, route_prefix=api_prefix) 201 | RecentCheckoutsView.register(app, route_prefix=api_prefix) 202 | 203 | if __name__ == '__main__': 204 | app.run(port=5000) 205 | -------------------------------------------------------------------------------- /sleepy/api_peewee.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | '''Hello Peewee.''' 4 | from datetime import datetime, timedelta 5 | 6 | from flask import Flask, jsonify, request, render_template, abort 7 | from flask.ext.classy import FlaskView 8 | from flask_peewee.db import Database 9 | from flask_peewee.utils import get_object_or_404 10 | import peewee as pw 11 | 12 | from serializers import ItemSerializer, PersonSerializer 13 | 14 | 15 | class Settings: 16 | DATABASE = { 17 | "name": "inventory.db", 18 | "engine": "peewee.SqliteDatabase" 19 | } 20 | DEBUG = True 21 | 22 | app = Flask(__name__) 23 | app.config.from_object(Settings) 24 | 25 | ### Models ### 26 | 27 | db = Database(app) 28 | 29 | class BaseModel(db.Model): 30 | def __marshallable__(self): 31 | '''Return marshallable dictionary for marshmallow support.''' 32 | return dict(self.__dict__)['_data'] 33 | 34 | class Person(BaseModel): 35 | firstname = pw.CharField(max_length=80, null=False) 36 | lastname = pw.CharField(max_length=80, null=False) 37 | created = pw.DateTimeField(default=datetime.utcnow) 38 | 39 | @property 40 | def n_items(self): 41 | return self.items.count() 42 | 43 | def __repr__(self): 44 | return "".format(self.firstname, self.lastname) 45 | 46 | class Item(BaseModel): 47 | name = pw.CharField(max_length=100, null=False) 48 | person = pw.ForeignKeyField(Person, related_name="items", null=True) 49 | checked_out = pw.BooleanField(default=False) 50 | updated = pw.DateTimeField(default=datetime.utcnow) 51 | 52 | def __repr__(self): 53 | return ''.format(self.name) 54 | 55 | 56 | ### API ### 57 | 58 | class ItemsView(FlaskView): 59 | route_base = '/items/' 60 | 61 | def index(self): 62 | '''Get all items.''' 63 | all_items = Item.select().order_by(Item.updated.desc()) 64 | data = ItemSerializer(all_items, many=True).data 65 | return jsonify({"items": data}) 66 | 67 | def get(self, id): 68 | '''Get an item.''' 69 | # Could also use flask_peewee.utils.get_object_or_404 70 | try: 71 | item = Item.get(Item.id == id) 72 | except Item.DoesNotExist: 73 | abort(404) 74 | return jsonify(ItemSerializer(item).data) 75 | 76 | def post(self): 77 | '''Insert a new item.''' 78 | data = request.json 79 | name = data.get("name", None) 80 | checked_out = data.get('checked_out', False) 81 | if not name: 82 | abort(400) # Must specify name 83 | person_id = data.get("person_id") 84 | if person_id: 85 | try: 86 | person = Person.get(Person.id == person_id) 87 | except Person.DoesNotExist: 88 | person = None 89 | else: 90 | person = None 91 | item = Item.create(name=name, person=person, checked_out=checked_out) 92 | return jsonify({"message": "Successfully added new item", 93 | "item": ItemSerializer(item).data}), 201 94 | 95 | def delete(self, id): 96 | '''Delete an item.''' 97 | item = get_object_or_404(Item, Item.id == id) 98 | item.delete_instance() 99 | return jsonify({"message": "Successfully deleted item.", 100 | "id": item.id}), 200 101 | 102 | def put(self, id): 103 | '''Update an item.''' 104 | item = get_object_or_404(Item, Item.id == id) 105 | # Update item 106 | item.name = request.json.get("name", item.name) 107 | item.checked_out = request.json.get("checked_out", item.checked_out) 108 | if request.json.get("person_id"): 109 | person = Person.get(Person.id == int(request.json['person_id'])) 110 | item.person = person or item.person 111 | else: 112 | item.person = None 113 | item.updated = datetime.utcnow() 114 | item.save() 115 | return jsonify({"message": "Successfully updated item.", 116 | "item": ItemSerializer(item).data}) 117 | 118 | class PeopleView(FlaskView): 119 | route_base = '/people/' 120 | 121 | def index(self): 122 | '''Get all people, ordered by creation date.''' 123 | all_items = Person.select().order_by(Person.created.desc()) 124 | data = PersonSerializer(all_items, exclude=('created',), many=True).data 125 | return jsonify({"people": data}) 126 | 127 | def get(self, id): 128 | '''Get a person.''' 129 | # Could also use flask_peewee.utils.get_object_or_404 130 | try: 131 | person = Person.get(Person.id == int(id)) 132 | except Person.DoesNotExist: 133 | abort(404) 134 | return jsonify(PersonSerializer(person).data) 135 | 136 | def post(self): 137 | '''Insert a new person.''' 138 | data = request.json 139 | firstname = data.get("firstname") 140 | lastname = data.get("lastname") 141 | if not firstname or not lastname: 142 | abort(400) # Must specify first and last name 143 | person = Person(firstname=firstname, lastname=lastname) 144 | person.save() 145 | return jsonify({"message": "Successfully added new person.", 146 | "person": PersonSerializer(person).data}), 201 147 | 148 | def delete(self, id): 149 | '''Delete a person.''' 150 | person = get_object_or_404(Person, Person.id == int(id)) 151 | pid = person.id 152 | person.delete_instance() 153 | return jsonify({"message": "Successfully deleted person.", 154 | "id": pid}), 200 155 | 156 | class RecentCheckoutsView(FlaskView): 157 | '''Demonstrates a more complex query.''' 158 | 159 | route_base = '/recentcheckouts/' 160 | 161 | def index(self): 162 | '''Return items checked out in the past hour.''' 163 | hour_ago = datetime.utcnow() - timedelta(hours=1) 164 | query = Item.select().where(Item.checked_out & 165 | (Item.updated > hour_ago)) \ 166 | .order_by(Item.updated.desc()) 167 | recent = [item for item in query] # Executes query 168 | return jsonify({"items": ItemSerializer(recent, many=True).data}) 169 | 170 | @app.route("/") 171 | def home(): 172 | return render_template('index.html', orm="Peewee") 173 | 174 | def create_tables(): 175 | Person.create_table(True) 176 | Item.create_table(True) 177 | 178 | def drop_tables(): 179 | Person.drop_table(True) 180 | Item.drop_table(True) 181 | 182 | # Register views 183 | api_prefix = "/api/v1/" 184 | ItemsView.register(app, route_prefix=api_prefix) 185 | PeopleView.register(app, route_prefix=api_prefix) 186 | RecentCheckoutsView.register(app, route_prefix=api_prefix) 187 | 188 | if __name__ == '__main__': 189 | create_tables() 190 | app.run(port=5000) 191 | -------------------------------------------------------------------------------- /sleepy/api_pony.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | '''Hello Pony.''' 4 | from datetime import datetime, timedelta 5 | 6 | from flask import Flask, jsonify, request, render_template, abort 7 | from flask.ext.classy import FlaskView 8 | from pony import orm 9 | 10 | from serializers import ItemSerializer, PersonSerializer 11 | 12 | 13 | class Settings: 14 | DB_PROVIDER = "sqlite" 15 | DB_NAME = "inventory.db" 16 | DEBUG = True 17 | 18 | app = Flask(__name__) 19 | app.config.from_object(Settings) 20 | 21 | ### Models ### 22 | 23 | db = orm.Database('sqlite', 'inventory.db', create_db=True) 24 | 25 | 26 | class Person(db.Entity): 27 | _table_ = 'people' 28 | firstname = orm.Required(unicode, 80, nullable=False) 29 | lastname = orm.Required(unicode, 80, nullable=False) 30 | created = orm.Required(datetime, default=datetime.utcnow) 31 | items = orm.Set("Item") 32 | 33 | @property 34 | def n_items(self): 35 | return orm.count(item for item in self.items) 36 | 37 | def __repr__(self): 38 | return "".format(self.firstname, self.lastname) 39 | 40 | 41 | class Item(db.Entity): 42 | _table_ = 'items' 43 | name = orm.Required(unicode, 100, nullable=False) 44 | person = orm.Optional(Person) 45 | checked_out = orm.Required(bool, default=False) 46 | updated = orm.Required(datetime, default=datetime.utcnow) 47 | 48 | def __repr__(self): 49 | return ''.format(self.name) 50 | 51 | 52 | ### API ### 53 | 54 | class ItemsView(FlaskView): 55 | route_base = '/items/' 56 | 57 | def index(self): 58 | '''Get all items.''' 59 | all_items = orm.select(item for item in Item)\ 60 | .order_by(orm.desc(Item.updated))[:] 61 | data = ItemSerializer(all_items, many=True).data 62 | return jsonify({"items": data}) 63 | 64 | def get(self, id): 65 | '''Get an item.''' 66 | try: 67 | item = Item[id] 68 | except orm.ObjectNotFound: 69 | abort(404) 70 | return jsonify(ItemSerializer(item).data) 71 | 72 | def post(self): 73 | '''Insert a new item.''' 74 | data = request.json 75 | name = data.get("name", None) 76 | checked_out = data.get('checked_out', False) 77 | if not name: 78 | abort(400) 79 | pid = data.get("person_id") 80 | if pid: 81 | person = Person.get(id=pid) # None if not found 82 | else: 83 | person = None 84 | item = Item(name=name, person=person, checked_out=checked_out) 85 | orm.commit() 86 | return jsonify({"message": "Successfully added new item", 87 | "item": ItemSerializer(item).data}), 201 88 | 89 | def delete(self, id): 90 | '''Delete an item.''' 91 | try: 92 | item = Item[id] 93 | except orm.ObjectNotFound: 94 | abort(404) 95 | item.delete() 96 | orm.commit() 97 | return jsonify({"message": "Successfully deleted item.", 98 | "id": id}), 200 99 | 100 | def put(self, id): 101 | '''Update an item.''' 102 | try: 103 | item = Item[id] 104 | except orm.ObjectNotFound: 105 | abort(404) 106 | # Update item 107 | item.name = request.json.get("name", item.name) 108 | item.checked_out = request.json.get("checked_out", item.checked_out) 109 | pid = request.json.get("person_id") 110 | if pid: 111 | person = Person.get(id=pid) 112 | item.person = person or item.person 113 | else: 114 | item.person = None 115 | item.updated = datetime.utcnow() 116 | orm.commit() 117 | return jsonify({"message": "Successfully updated item.", 118 | "item": ItemSerializer(item).data}) 119 | 120 | class PeopleView(FlaskView): 121 | route_base = '/people/' 122 | 123 | def index(self): 124 | '''Get all people, ordered by creation date.''' 125 | all_people = orm.select(p for p in Person).order_by(orm.desc(Person.created))[:] 126 | data = PersonSerializer(all_people, many=True, exclude=('created',)).data 127 | return jsonify({"people": data}) 128 | 129 | def get(self, id): 130 | '''Get a person.''' 131 | try: 132 | person = Person[id] 133 | except orm.ObjectNotFound: 134 | abort(404) 135 | return jsonify(PersonSerializer(person).data) 136 | 137 | def post(self): 138 | '''Insert a new person.''' 139 | data = request.json 140 | firstname = data.get("firstname") 141 | lastname = data.get("lastname") 142 | if not firstname or not lastname: 143 | abort(400) # Must specify both first and last name 144 | person = Person(firstname=firstname, lastname=lastname) 145 | orm.commit() 146 | return jsonify({"message": "Successfully added new person.", 147 | "person": PersonSerializer(person).data}), 201 148 | 149 | def delete(self, id): 150 | '''Delete a person.''' 151 | try: 152 | person = Person[id] 153 | except orm.ObjectNotFound: 154 | abort(404) 155 | person.delete() 156 | orm.commit() 157 | return jsonify({"message": "Successfully deleted person.", 158 | "id": id}), 200 159 | 160 | class RecentCheckoutsView(FlaskView): 161 | '''Demonstrates a more complex query.''' 162 | route_base = '/recentcheckouts/' 163 | 164 | def index(self): 165 | '''Return items checked out in the past hour.''' 166 | hour_ago = datetime.utcnow() - timedelta(hours=1) 167 | recent = orm.select(item for item in Item 168 | if item.checked_out and 169 | item.updated > hour_ago)\ 170 | .order_by(Item.updated.desc())[:] 171 | return jsonify({"items": ItemSerializer(recent, many=True).data}) 172 | 173 | @app.route("/") 174 | def home(): 175 | return render_template('index.html', orm="Pony ORM") 176 | 177 | # Generate object-database mapping 178 | db.generate_mapping(check_tables=False) 179 | 180 | # Register views 181 | api_prefix = "/api/v1/" 182 | ItemsView.register(app, route_prefix=api_prefix) 183 | PeopleView.register(app, route_prefix=api_prefix) 184 | RecentCheckoutsView.register(app, route_prefix=api_prefix) 185 | 186 | 187 | if __name__ == '__main__': 188 | db.create_tables() 189 | # Make sure each thread gets a db session 190 | app.wsgi_app = orm.db_session(app.wsgi_app) 191 | app.run(port=5000) 192 | -------------------------------------------------------------------------------- /sleepy/api_sqlalchemy.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | '''Hello SQLAlchemy.''' 4 | from datetime import datetime, timedelta 5 | 6 | from flask import Flask, jsonify, request, render_template, abort 7 | from flask.ext.sqlalchemy import SQLAlchemy 8 | from flask.ext.classy import FlaskView 9 | 10 | from serializers import ItemSerializer, PersonSerializer 11 | 12 | 13 | class Settings: 14 | DB_NAME = "inventory.db" 15 | # Put the db file in project root 16 | SQLALCHEMY_DATABASE_URI = "sqlite:///{0}".format(DB_NAME) 17 | DEBUG = True 18 | 19 | app = Flask(__name__) 20 | app.config.from_object(Settings) 21 | 22 | ### Models ### 23 | 24 | db = SQLAlchemy() 25 | db.init_app(app) 26 | 27 | class Person(db.Model): 28 | id = db.Column(db.Integer, primary_key=True) 29 | firstname = db.Column(db.String(80), nullable=False) 30 | lastname = db.Column(db.String(80), nullable=False) 31 | created = db.Column(db.DateTime, default=datetime.utcnow) 32 | 33 | @property 34 | def n_items(self): 35 | return len(self.items) 36 | 37 | def __repr__(self): 38 | return "".format(self.firstname, self.lastname) 39 | 40 | class Item(db.Model): 41 | id = db.Column(db.Integer, primary_key=True) 42 | name = db.Column(db.String(100), nullable=False) 43 | person_id = db.Column(db.Integer, db.ForeignKey('person.id'), nullable=True) 44 | person = db.relationship("Person", backref=db.backref("items")) 45 | checked_out = db.Column(db.Boolean, default=False) 46 | updated = db.Column(db.DateTime, default=datetime.utcnow) 47 | 48 | def __repr__(self): 49 | return ''.format(self.name) 50 | 51 | 52 | ### API ### 53 | 54 | class ItemsView(FlaskView): 55 | route_base = '/items/' 56 | 57 | def index(self): 58 | '''Get all items.''' 59 | all_items = Item.query.order_by(Item.updated.desc()).all() 60 | data = ItemSerializer(all_items, many=True).data 61 | return jsonify({"items": data}) 62 | 63 | def get(self, id): 64 | '''Get an item.''' 65 | item = Item.query.get_or_404(int(id)) 66 | return jsonify(ItemSerializer(item).data) 67 | 68 | def post(self): 69 | '''Insert a new item.''' 70 | data = request.json 71 | name = data.get("name", None) 72 | checked_out = data.get("checked_out", False) 73 | if not name: 74 | abort(400) 75 | person = Person.query.filter_by(id=data.get("person_id", None)).first() 76 | item = Item(name=name, person=person, checked_out=checked_out) 77 | db.session.add(item) 78 | db.session.commit() 79 | return jsonify({"message": "Successfully added new item", 80 | "item": ItemSerializer(item).data}), 201 81 | 82 | def delete(self, id): 83 | '''Delete an item.''' 84 | item = Item.query.get_or_404(int(id)) 85 | db.session.delete(item) 86 | db.session.commit() 87 | return jsonify({"message": "Successfully deleted item.", 88 | "id": item.id}), 200 89 | 90 | def put(self, id): 91 | '''Update an item.''' 92 | item = Item.query.get_or_404(int(id)) 93 | # Update item 94 | item.name = request.json.get("name", item.name) 95 | item.checked_out = request.json.get("checked_out", item.checked_out) 96 | if request.json.get("person_id"): 97 | person = Person.query.get(int(request.json['person_id'])) 98 | item.person = person or item.person 99 | else: 100 | item.person = None 101 | item.updated = datetime.utcnow() 102 | db.session.add(item) 103 | db.session.commit() 104 | return jsonify({"message": "Successfully updated item.", 105 | "item": ItemSerializer(item).data}) 106 | 107 | class PeopleView(FlaskView): 108 | route_base = '/people/' 109 | 110 | def index(self): 111 | '''Get all people, ordered by creation date.''' 112 | all_people = Person.query.order_by(Person.created.desc()).all() 113 | data = PersonSerializer(all_people, exclude=('created',), many=True).data 114 | return jsonify({"people": data}) 115 | 116 | def get(self, id): 117 | '''Get a person.''' 118 | person = Person.query.get_or_404(int(id)) 119 | return jsonify(PersonSerializer(person).data) 120 | 121 | def post(self): 122 | '''Insert a new person.''' 123 | data = request.json 124 | firstname = data.get("firstname") 125 | lastname = data.get("lastname") 126 | if not firstname or not lastname: 127 | abort(400) # Must specify both first and last name 128 | person = Person(firstname=firstname, lastname=lastname) 129 | db.session.add(person) 130 | db.session.commit() 131 | return jsonify({"message": "Successfully added new person.", 132 | "person": PersonSerializer(person).data}), 201 133 | 134 | def delete(self, id): 135 | '''Delete a person.''' 136 | person = Person.query.get_or_404(int(id)) 137 | db.session.delete(person) 138 | db.session.commit() 139 | return jsonify({"message": "Successfully deleted person.", 140 | "id": person.id}), 200 141 | 142 | class RecentCheckoutsView(FlaskView): 143 | '''Demonstrates a more complex query.''' 144 | route_base = '/recentcheckouts/' 145 | 146 | def index(self): 147 | '''Return items checked out in the past hour.''' 148 | hour_ago = datetime.utcnow() - timedelta(hours=1) 149 | recent = Item.query.filter(Item.checked_out & 150 | (Item.updated > hour_ago)) \ 151 | .order_by(Item.updated.desc()).all() 152 | return jsonify({"items": ItemSerializer(recent, many=True).data}) 153 | 154 | @app.route("/") 155 | def home(): 156 | return render_template('index.html', orm="SQLAlchemy") 157 | 158 | # Register views 159 | api_prefix = "/api/v1/" 160 | ItemsView.register(app, route_prefix=api_prefix) 161 | PeopleView.register(app, route_prefix=api_prefix) 162 | RecentCheckoutsView.register(app, route_prefix=api_prefix) 163 | 164 | if __name__ == '__main__': 165 | with app.app_context(): 166 | db.create_all() 167 | app.run(port=5000) 168 | -------------------------------------------------------------------------------- /sleepy/api_stdnet.py: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env python 2 | # -*- coding: utf-8 -*- 3 | '''Hello Stdnet.''' 4 | import logging 5 | from datetime import datetime, timedelta 6 | 7 | from flask import Flask, jsonify, request, render_template, abort 8 | from flask.ext.classy import FlaskView 9 | from stdnet import odm 10 | from serializers import ItemSerializer, PersonSerializer 11 | 12 | 13 | class Settings: 14 | REDIS_URL = 'redis://' 15 | DEBUG = True 16 | 17 | app = Flask(__name__) 18 | app.config.from_object(Settings) 19 | 20 | ### Models ### 21 | 22 | models = odm.Router(app.config['REDIS_URL']) 23 | 24 | class Person(odm.StdModel): 25 | firstname = odm.CharField(required=True) 26 | lastname = odm.CharField(required=True) 27 | created = odm.DateTimeField(default=datetime.utcnow) 28 | 29 | @property 30 | def n_items(self): 31 | return len(self.items.all()) 32 | 33 | def __unicode__(self): 34 | return "".format(self.firstname, self.lastname) 35 | 36 | 37 | class Item(odm.StdModel): 38 | name = odm.CharField(required=True) 39 | person = odm.ForeignKey(Person, related_name='items', required=False) 40 | checked_out = odm.BooleanField(default=False) 41 | updated = odm.DateTimeField(default=datetime.utcnow) 42 | 43 | def __unicode__(self): 44 | return ''.format(self.name) 45 | 46 | 47 | ### API ### 48 | 49 | class ItemsView(FlaskView): 50 | route_base = '/items/' 51 | 52 | def index(self): 53 | '''Get all items.''' 54 | all_items = models.item.query().sort_by("-updated").all() 55 | data = ItemSerializer(all_items, many=True).data 56 | return jsonify({"items": data}) 57 | 58 | def get(self, id): 59 | '''Get an item.''' 60 | try: 61 | item = models.item.query().get(id=id) 62 | except Item.DoesNotExist: 63 | abort(404) 64 | return jsonify(ItemSerializer(item).data) 65 | 66 | def post(self): 67 | '''Insert a new item.''' 68 | data = request.json 69 | name = data.get("name", None) 70 | person_id = data.get("person_id") 71 | person = None 72 | checked_out = data.get("checked_out", False) 73 | if not name: 74 | abort(400) 75 | if person_id: 76 | try: 77 | person = models.person.query().get(id=person_id) 78 | except Person.DoesNotExist: 79 | pass 80 | item = models.item.new(name=name, person=person, checked_out=checked_out) 81 | return jsonify({"message": "Successfully added new item", 82 | "item": ItemSerializer(item).data}), 201 83 | 84 | def delete(self, id): 85 | '''Delete an item.''' 86 | try: 87 | item = models.item.query().get(id=id) 88 | except Item.DoesNotExist: 89 | abort(404) 90 | item.delete() 91 | return jsonify({"message": "Successfully deleted item.", 92 | "id": item.id}), 200 93 | 94 | def put(self, id): 95 | '''Update an item.''' 96 | try: 97 | item = models.item.query().get(id=int(id)) 98 | except Item.DoesNotExist: 99 | abort(404) 100 | # Update item 101 | item.name = request.json.get("name", item.name) 102 | item.checked_out = request.json.get("checked_out", item.checked_out) 103 | if request.json.get("person_id"): 104 | try: 105 | person = models.person.get(id=int(request.json['person_id'])) 106 | except Person.DoesNotExist: 107 | abort(404) 108 | item.person = person or item.person 109 | else: 110 | item.person = None 111 | item.updated = datetime.utcnow() 112 | item.save() 113 | return jsonify({"message": "Successfully updated item.", 114 | "item": ItemSerializer(item).data}) 115 | 116 | class PeopleView(FlaskView): 117 | route_base = '/people/' 118 | 119 | def index(self): 120 | '''Get all people, ordered by creation date.''' 121 | all_people = models.person.query().sort_by("-created") 122 | data = PersonSerializer(all_people, exclude=('created',), many=True).data 123 | return jsonify({"people": data}) 124 | 125 | def get(self, id): 126 | '''Get a person.''' 127 | try: 128 | person = models.person.query().get(id=id) 129 | except Person.DoesNotExist: 130 | abort(404) 131 | return jsonify(PersonSerializer(person).data) 132 | 133 | def post(self): 134 | '''Insert a new person.''' 135 | data = request.json 136 | firstname = data.get("firstname") 137 | lastname = data.get("lastname") 138 | if not firstname or not lastname: 139 | abort(400) # Must specify both first and last name 140 | person = models.person.new(firstname=firstname, lastname=lastname) 141 | person.save() 142 | return jsonify({"message": "Successfully added new person.", 143 | "person": PersonSerializer(person).data}), 201 144 | 145 | def delete(self, id): 146 | '''Delete a person.''' 147 | try: 148 | person = models.person.query().get(id=id) 149 | except Person.DoesNotExist: 150 | abort(404) 151 | person.delete() 152 | return jsonify({"message": "Successfully deleted person.", 153 | "id": person.id}), 200 154 | 155 | class RecentCheckoutsView(FlaskView): 156 | '''Demonstrates a more complex query.''' 157 | route_base = '/recentcheckouts/' 158 | 159 | def index(self): 160 | '''Return items checked out in the past hour.''' 161 | hour_ago = datetime.utcnow() - timedelta(hours=1) 162 | recent = models.item.filter(checked_out=True).sort_by("-updated").all() 163 | return jsonify({"items": ItemSerializer(recent, many=True).data}) 164 | 165 | @app.route("/") 166 | def home(): 167 | return render_template('index.html', orm="Stdnet") 168 | 169 | def register_models(router): 170 | router.register(Item) 171 | router.register(Person) 172 | return router 173 | 174 | # Register views 175 | api_prefix = "/api/v1/" 176 | ItemsView.register(app, route_prefix=api_prefix) 177 | PeopleView.register(app, route_prefix=api_prefix) 178 | RecentCheckoutsView.register(app, route_prefix=api_prefix) 179 | 180 | # Register models 181 | register_models(models) 182 | 183 | if __name__ == '__main__': 184 | app.run(port=5000) 185 | -------------------------------------------------------------------------------- /sleepy/serializers.py: -------------------------------------------------------------------------------- 1 | '''Serializers common to all apps.''' 2 | 3 | from marshmallow import Serializer, fields 4 | 5 | 6 | class PersonSerializer(Serializer): 7 | id = fields.Integer() 8 | name = fields.Function(lambda p: "{0}, {1}".format(p.lastname, p.firstname)) 9 | created = fields.DateTime() 10 | n_items = fields.Integer() 11 | 12 | 13 | class ItemSerializer(Serializer): 14 | person = fields.Nested(PersonSerializer, only=('id', 'name'), allow_null=True) 15 | 16 | class Meta: 17 | additional = ('id', 'name', 'checked_out', 'updated') 18 | -------------------------------------------------------------------------------- /sleepy/static/site.css: -------------------------------------------------------------------------------- 1 | body { font-size: 16px; } 2 | .form-control.form-control-inline{ 3 | display: inline; 4 | width: inherit; 5 | font-size: 16px; 6 | } 7 | .container-narrow { width: 70%; } 8 | .code-panel pre{ margin: 0px 0px; } 9 | .code-panel .panel-body { padding: 0px; } 10 | pre { font-size: 15px; } 11 | .string { color: #800; } 12 | .number { color: #080; } 13 | .boolean { color: #080; } 14 | .null { color: #666666; } 15 | .key { color: #4070a0; } 16 | .code { 17 | font-size: 15px; 18 | font-family: Monaco,Menlo,Consolas,"Courier New",monospace; 19 | } 20 | -------------------------------------------------------------------------------- /sleepy/static/site.js: -------------------------------------------------------------------------------- 1 | (function() { 2 | var API_PREFIX = "/api/v1/"; 3 | var $resource = $("select[name='resource']"); 4 | 5 | /** Return the URL inputted by the user. **/ 6 | var getUrl = function() { 7 | var resource = $resource.val(); 8 | var pk = $("#primaryKey").val(); 9 | var url = API_PREFIX + resource + "/"; 10 | if (pk) { 11 | url += pk; 12 | }; 13 | return url; 14 | } 15 | 16 | var toggleParams = function(resource) { 17 | var $itemParams = $("#itemParams") 18 | var $personParams = $("#personParams"); 19 | if (resource === 'items'){ 20 | $itemParams.show(); 21 | $personParams.hide(); 22 | } else if (resource === "people"){ 23 | $itemParams.hide(); 24 | $personParams.show(); 25 | } else { 26 | $itemParams.hide(); 27 | $personParams.hide(); 28 | } 29 | } 30 | 31 | /** Functions for outputting the response to the user. **/ 32 | 33 | syntaxHighlight = function(json) { 34 | json = json.replace(/&/g, '&').replace(//g, '>'); 35 | return json.replace(/("(\\u[a-zA-Z0-9]{4}|\\[^u]|[^\\"])*"(\s*:)?|\b(true|false|null)\b|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?)/g, function (match) { 36 | var cls = 'number'; 37 | if (/^"/.test(match)) { 38 | if (/:$/.test(match)) { 39 | cls = 'key'; 40 | } else { 41 | cls = 'string'; 42 | } 43 | } else if (/true|false/.test(match)) { 44 | cls = 'boolean'; 45 | } else if (/null/.test(match)) { 46 | cls = 'null'; 47 | } 48 | return '' + match + ''; 49 | }); 50 | } 51 | 52 | var Display = { 53 | elem: $("#response code"), 54 | response: function(data){ 55 | var json = JSON.stringify(data, undefined, 2) 56 | this.elem.html(syntaxHighlight(json)); 57 | }, 58 | error: function(status, msg){ 59 | this.elem.text(status + ": " + msg); 60 | } 61 | } 62 | 63 | 64 | window.Request = { 65 | /** 66 | * Send a request of a certain type (GET, POST...) to the URL specified 67 | * in the inputs. Used by the public method (Request.get, Request.post...) 68 | */ 69 | _sendRequest: function(type, payload) { 70 | $.ajax({ 71 | type: type, url: getUrl(), 72 | dataType: "json", contentType: "application/json", 73 | data: JSON.stringify(payload), 74 | success: function(data) { 75 | Display.response(data); 76 | }, 77 | error: function(xhr, status, errorThrown){ 78 | Display.error(status, errorThrown); 79 | } 80 | }); 81 | }, 82 | 83 | /** 84 | * Construct the payload object from the user's input. 85 | */ 86 | _getPayload: function() { 87 | var payload; 88 | var resource = $("select[name='resource']").val(); 89 | if (resource === "items") { 90 | var name = $("input[name='name']").val(); 91 | var personId = $("input[name='person_id']").val(); 92 | var checkedOutVal = $("select[name='checked_out']").val(); 93 | var checkedOut = checkedOutVal === "true"; 94 | payload = {"name": name, 95 | "person_id": personId, 96 | "checked_out": checkedOut}; 97 | } else if (resource === "people") { 98 | var firstname = $("input[name='firstname']").val(); 99 | var lastname = $("input[name='lastname']").val(); 100 | payload = {"firstname": firstname, "lastname": lastname}; 101 | }; 102 | return payload; 103 | }, 104 | 105 | /** Request public methods **/ 106 | get: function(){ 107 | this._sendRequest("GET", {}); 108 | }, 109 | 110 | post: function() { 111 | var payload = this._getPayload(); 112 | this._sendRequest("POST", payload); 113 | }, 114 | 115 | delete: function() { 116 | this._sendRequest("DELETE", {}); 117 | }, 118 | 119 | put: function() { 120 | var payload = this._getPayload(); 121 | this._sendRequest("PUT", payload); 122 | } 123 | } 124 | 125 | $(document).ready(function(){ 126 | Request.get(); 127 | // If selection is changed, show correct params and send 128 | // a get request to the endpoint 129 | $resource.on("change", function(event){ 130 | var resource = $resource.val(); 131 | toggleParams(resource); 132 | Request.get(); 133 | }) 134 | }) 135 | 136 | }).call(this); 137 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