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        "author": "Roman Nurik",
        "author_email": "roman@nurik.net",
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            "License :: OSI Approved :: Apache Software License",
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        "description": "`automessage` is a library that helps you quickly create `protorpc`-based web services that interact\nwith `ndb` models (Google Cloud Datastore) by automatically generating `Message` classes for your\n`ndb.Model` subclasses, along with easy serialization/deserialization.\n\n## Caveats\n\n* This is pretty rough, alpha-level code. There are lots of TODOs. Use at your own risk.\n* This only works for Google App Engine standard environment + Python with the `protorpc` and `ndb`\n  libraries.\n\n## Installation\n\n[Follow this guide](https://cloud.google.com/appengine/docs/standard/python/tools/using-libraries-python-27)\nto install automessage as a third-party library for your App Engine Python app; the `pip` command\nyou want is:\n\n    pip install -t lib/ automessage\n\n## Usage\n\nFirst, use a `@automessage.attach` decorator on your `ndb.Model` subclass:\n\n```python\nfrom google.appengine.ext import ndb\nimport automessage\n\n@automessage.attach()\nclass Book(ndb.Model):\n  title = ndb.StringProperty()\n  author = ndb.StringProperty()\n  publish_date = ndb.DateTimeProperty(indexed=True)\n```\n\nThis generates a class `BookMessage` (a subclass of `protorpc.messages.Message`) in the same module\nas the `Book` class, that you can then use in your `protorpc`-based services, like so:\n\n```python\nclass BooksService(remote.Service):\n  class FindRequest(messages.Message):\n    title = messages.StringField(1, required=True)\n\n  @remote.method(FindRequest, BookMessage)\n  def find(self, request):\n    return (Book\n        .query(Book.title == request.title)\n        .to_message()) # to_message() added by automessage\n\n  @remote.method(BookMessage, BookMessage)\n  def create(self, request):\n    book = Book.from_message(request) # from_message() added by automessage\n    book.put()\n    return book.to_message()\n```\n\n`attach` takes several parameters (see the code for details) that lets you customize the name of the\ngenerated message class, convert to camel case, add an ID field, blacklist/whitelist properties,\netc. You can decorate models with multiple `attach` calls (with different parameters) to create\nmultiple message types for a given model. When doing so, you'll need to provide the message type\nin `to_message` calls, e.g. `book.to_message(CustomBookMessage)`.\n\n## Related work\n\n* [Protopigeon](https://github.com/theacodes/Protopigeon) is an almost identical, older approach with a slightly different API and better testing.",
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