. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 1.18 Command Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 used to protect Flask’s session cookie. • Click is a framework for writing command line applications. It provides the flask command and allows adding custom management commands. Optional dependencies These venv venv If you needed to install virtualenv because you are using Python 2, use the following command instead: 1.3. Installation 5 Flask Documentation (1.1.x), Release 1.1.4 $ python2 -m virtualenv

Building URLs Error Handlers Extensions Finding Extensions Using Extensions Building Extensions Command Line Interface Application Discovery Run the Development Server Open a Shell Environments Debug Mode Commands Plugins Custom Scripts PyCharm Integration Development Server Command Line In Code Working with the Shell Command Line Interface Creating a Request Context Firing Before/After Request Further Helpers Useful Internals Signals Class-Based Views URL Route Registrations View Function Options Command Line Interface Additional Notes Design notes, legal information and changelog are here for the interested

resource_fields['address'] = {} >>> resource_fields['address']['line 1'] = fields.String(attribute='addr1') >>> resource_fields['address']['line 2'] = fields.String(attribute='addr2') >>> resource_fields['address']['city'] '10468'} >>> json.dumps(marshal(data, resource_fields)) '{"name": "bob", "address": {"line 1": "123 fake street", "line 2": "", "state": "NY", "zip": "10468", "city": "New York"}}' Note The address field marshal >>> import json >>> >>> address_fields = {} >>> address_fields['line 1'] = fields.String(attribute='addr1') >>> address_fields['line 2'] = fields.String(attribute='addr2') >>> address_fields['city']

resource_fields['address'] = {} >>> resource_fields['address']['line 1'] = fields.String(attribute='addr1') >>> resource_fields['address']['line 2'] = fields.String(attribute='addr2') >>> resource_fields['address']['city'] '10468'} >>> json.dumps(marshal(data, resource_fields)) '{"name": "bob", "address": {"line 1": "123 fake street", "line 2": "", "state": "NY", ˓→ "zip": "10468", "city": "New York"}}' Note: The address Release 0.3.10 (continued from previous page) >>> address_fields['line 1'] = fields.String(attribute='addr1') >>> address_fields['line 2'] = fields.String(attribute='addr2') >>> address_fields['city']

resource_fields['address'] = {} >>> resource_fields['address']['line 1'] = fields.String(attribute='addr1') >>> resource_fields['address']['line 2'] = fields.String(attribute='addr2') >>> resource_fields['address']['city'] '10468'} >>> json.dumps(marshal(data, resource_fields)) '{"name": "bob", "address": {"line 1": "123 fake street", "line 2": "", "state": "NY", ˓→ "zip": "10468", "city": "New York"}}' Note: The address marshal >>> import json >>> >>> address_fields = {} >>> address_fields['line 1'] = fields.String(attribute='addr1') >>> address_fields['line 2'] = fields.String(attribute='addr2') >>> address_fields['city']

resource_fields['address'] = {} >>> resource_fields['address']['line 1'] = fields.String(attribute='addr1') >>> resource_fields['address']['line 2'] = fields.String(attribute='addr2') >>> resource_fields['address']['city'] '10468'} >>> json.dumps(marshal(data, resource_fields)) '{"name": "bob", "address": {"line 1": "123 fake street", "line 2": "", "state": "NY", "zip": "10468", "city": "New York"}}' Note The address field marshal >>> import json >>> >>> address_fields = {} >>> address_fields['line 1'] = fields.String(attribute='addr1') >>> address_fields['line 2'] = fields.String(attribute='addr2') >>> address_fields['city']

resource_fields['address'] = {} >>> resource_fields['address']['line 1'] = fields.String(attribute='addr1') >>> resource_fields['address']['line 2'] = fields.String(attribute='addr2') >>> resource_fields['address']['city'] '10468'} >>> json.dumps(marshal(data, resource_fields)) '{"name": "bob", "address": {"line 1": "123 fake street", "line 2": "", "state": "NY", ˓→ "zip": "10468", "city": "New York"}}' Note: The address Release 0.3.7 (continued from previous page) >>> address_fields['line 1'] = fields.String(attribute='addr1') >>> address_fields['line 2'] = fields.String(attribute='addr2') >>> address_fields['city']

resource_fields['address'] = {} >>> resource_fields['address']['line 1'] = fields.String(attribute='addr1') >>> resource_fields['address']['line 2'] = fields.String(attribute='addr2') >>> resource_fields['address']['city'] '10468'} >>> json.dumps(marshal(data, resource_fields)) '{"name": "bob", "address": {"line 1": "123 fake street", "line 2": "", "state": "NY", ˓→ "zip": "10468", "city": "New York"}}' Note: The address Release 0.3.8 (continued from previous page) >>> address_fields['line 1'] = fields.String(attribute='addr1') >>> address_fields['line 2'] = fields.String(attribute='addr2') >>> address_fields['city']

resource_fields['address'] = {} >>> resource_fields['address']['line 1'] = fields.String(attribute='addr1') >>> resource_fields['address']['line 2'] = fields.String(attribute='addr2') >>> resource_fields['address']['city'] '10468'} >>> json.dumps(marshal(data, resource_fields)) '{"name": "bob", "address": {"line 1": "123 fake street", "line 2": "", "state": "NY", "zip": "10468", "city": "New York"}}' Note The address field marshal >>> import json >>> >>> address_fields = {} >>> address_fields['line 1'] = fields.String(attribute='addr1') >>> address_fields['line 2'] = fields.String(attribute='addr2') >>> address_fields['city']

resource_fields['address'] = {} >>> resource_fields['address']['line 1'] = fields.String(attribute='addr1') >>> resource_fields['address']['line 2'] = fields.String(attribute='addr2') >>> resource_fields['address']['city'] '10468'} >>> json.dumps(marshal(data, resource_fields)) '{"name": "bob", "address": {"line 1": "123 fake street", "line 2": "", "state": "NY", "zip": "10468", "city": "New York"}}' Note The address field marshal >>> import json >>> >>> address_fields = {} >>> address_fields['line 1'] = fields.String(attribute='addr1') >>> address_fields['line 2'] = fields.String(attribute='addr2') >>> address_fields['city']