Developing Python Apps on App Engine
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Using the Local Development Server
Run the development server locally to simulate your application running in production.
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Local Unit Testing
Run tests inside your own development environment without involving remote components.
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Testing Handlers
Test your request handlers without requiring a full App Engine environment.
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Monitoring Latency with Cloud Trace
Collect latency data from your application and view it in the Google Cloud Platform Console.
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Detecting Outages and Downtime with the Capabilities API
Reduce downtime in your application by detecting when a capability is unavailable and then bypassing it.
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Configuring Dashboards and Alerts with Cloud Monitoring
Collect metrics, events, and metadata from Google Cloud Platform to generate insights via dashboards, charts, and alerts.
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Integrating with Google Analytics
Measure user interactions with your business across various devices and environments.
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Downloading Logs
Download log data to perform more detailed analysis of your application.
Managing and Configuring Your App
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Deploying Your App
Use the appconfig command to deploy your app.
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Splitting Traffic
Distribute traffic across two or more versions of a module to control roll out of features or conduct A/B testing.
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Migrating Traffic
Gradually move traffic from an old version of a service to a new version of the service.
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Granting Project Access
Provide role-based access to your Google Cloud Platform project and its resources.
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Using Custom Domains and SSL
Add a custom domain for your application and optional set up SSL for the custom domain.
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Managing App Resources
Understand your application's performance and manage the resources your application is using.
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Configuring Your App With app.yaml
Configure your application's settings.
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Using the Admin API
Provision and manage your application using the Admin API.
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Using the Modules API
Programmatically retrieve information about the current operating environment, modules (now called "services"), or instances.
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Downloading Your Source Code
Download the source code of your deployed app.
Storing Data
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Choosing a Storage Option
Decide which storage option to use in your app.
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Datastore Overview
Understand Datastore.
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Creating, Retrieving, Updating, and Deleting Entities
Store, delete and retrieve entities in Datastore.
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Manage Datastore from the Console
Perform Datastore administration, backups and restores from the Google Cloud Platform Console.
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Configuring Datastore Indexes
Create and manage the indexes used in your application.
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DB to NDB Client Library Migration
Migrate your application from the DB Client Library to the NDB Client Library.
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Using Cloud SQL for MySQL
Store application data from your App Engine app in Cloud SQL for MySQL.
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Django Guide
Use Cloud SQL instances with the Django web framework in your application.
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Setting Up Cloud Storage
Set up Cloud Storage for your application's use.
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Reading and Writing to Cloud Storage
Store and retrieve data using Cloud Storage in your app.
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Using Third-Party Databases
Use third-party databases in your app.
Superseded Storage Options
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Blobstore Overview
Understand the Blobstore API.
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Overview
Understand the DB Client Library for Datastore.
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Entities, Properties, and Keys
Work with data objects using the DB Client Library.
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Datastore Queries
Understand queries using the DB Client Library.
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Retrieving Query Results
Run queries using the DB Client Library.
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Query Data Consistency
Understand consistency levels for results returned by queries.
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Query Cursors
Retrieve a query's results in convenient batches.
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Query Restrictions
Understand restrictions for queries in your application.
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Projection Queries
Query Datastore for just the specific properties of an entity that you actually need.
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Datastore Indexes
Understand how indexes are defined and structured.
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Datastore Transactions
Perform multiple operations and calculations in a single transaction.
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Data Modeling
Understand how to define data models and create instances of those models to be stored as entities.
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GQL Reference
Understand the grammar used for GQL queries.
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Structuring Data for Strong Consistency
Understand how to structure your application's data for strong consistency.
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Metadata
Programmatically access metadata to support metaprogramming, implement backend administrative functions, and simplify consistent caching.
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Datastore Statistics
Programmatically access the Datastore statistics for your application.
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Types and Property Classes
Understand the datatypes and property classes in the DB Client Library.
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GQL Reference
Understand the grammar used for GQL queries.
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Model
Learn about the superclass class for data models in the DB Client Library.
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Expando
Learn about the superclass for data model definitions whose properties are determined dynamically.
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PolyModel
Learn about the superclass for data model definitions that can themselves be superclasses for other data model definitions.
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Property
Learn about the superclass of property definitions for data models.
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Query
Learn about the class that represents a query for retrieving entities from Datastore.
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GqlQuery
Learn about the class that represents a GQL query for retrieving entities from Datastore.
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Metadata Entities
Learn about classes that represent the results of getting or querying metadata kinds.
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Key
Learn about the class that represents a unique key for a Datastore entity.
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Datastore Functions
Learn about the functions available in the DB Client Library.
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Exceptions
Learn about the exceptions provided by the DB Client Library.
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Async Datastore API
Make parallel, non-blocking asynchronous calls using the DB Client Library.
Authenticating Users
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User Authentication Options
Understand the different ways to authenticate users of your application.
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Users API Overview
Learn about the Users API.
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User Objects
Learn about the class that represents a user.
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Login URLs
Construct URLs that allow the user to sign in or sign out.
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Admin Users
Determine whether the currently signed-in user is a registered administrator.
Caching Application Data
Connecting to and from Your App
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Issuing HTTP(S) Requests
Use the URL Fetch service to issue HTTP(S) requests.
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Connecting to a VPC network
Learn how to use Serverless VPC Access to connect your App Engine standard environment app directly to your VPC.
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Connecting to a Shared VPC network
Learn how to use Serverless VPC Access to connect your App Engine standard environment app directly to your Shared VPC.
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Outbound IP Addresses
Learn about the outbound IP addresses App Engine uses.
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Identifying Your App to APIs and Services
Discover and assert your application's project ID.
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Sockets API Overview
Learn about the Sockets API.
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SSL Support
Use Python OpenSSL in your application.
Manipulating Images
Namespace-enabled Apps
Sending Email
Scheduling Work Outside of User Requests
Searchable Document Indexes
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Search API Overview
Learn about the Search API.
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Installing an Example Search API Application
Install and run a Search API sample.
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Search API Basics
Create a search index, add content to it, and run a simple full-text search query.
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Getting Information About Your Search Indexes
View the structure and content of your search indexes.
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Advanced Features of Search API
Learn about advanced features of the Search API.
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More Complex Search API Queries
Learn about complex queries supported by the Search API.
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Sorting Search Query Results
Sort the results of a search query.
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Retrieving, Deleting, and Reindexing Documents
Learn how to retrieve, delete, and re-index documents using the Search API.
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Documents and Indexes
Learn about documents and indexes in the Search API.
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Query Strings
Learn about query strings in the Search API.
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Query and Sorting Options
Change how results are returned and sorted.
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Handling Search Results
Handle query results and any exceptions returned by the Search API.
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Faceted Search
Attach categorical information to your documents.
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Best Practices
Learn about best practices for using the Search API.
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Using the Python Development Server
Run the development server locally to emulate the Search API.
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Cursor
Learn about the class that represents a cursor in the current set query results.
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Document
Learn about the class that represents a document containing searchable content.
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Facet Classes
Learn about the abstract base class and subclasses that represent facets of a document.
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FacetOptions
Learn about the class that represents options for processing facet results of a query.
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FacetRange
Learn about the class that provides a numeric range for a facet.
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FacetRefinement
Learn about the class used to narrow search results based on a facet value.
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FacetResult
Learn about the class that represents a result returned from a faceted search.
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FacetResultValue
Learn about the class that represents a facet value as part of search result.
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Field Classes
Learn about the abstract base class and subclasses that represent fields of a document.
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FieldExpression
Learn about the class that allows you to compute customized content snippets for each result returned by a search.
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GeoPoint
Learn about the class that represents a point on the earth's surface represented by latitude and longitude coordinates.
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GetResponse
Learn about the class that represents the results of methods invoked to return information about documents and indexes.
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Index
Learn about the class that represents an index allowing documents to be indexed, deleted, and searched.
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MatchScorer
Learn about the class that allows you to sort documents based on the quality of query match.
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Query
Learn about the class that represents a request on the search service to query.
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QueryOptions
Learn about the class that provides options for post-processing query results.
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RescoringMatchScorer
Learn about the class that allows you to sort documents based on the quality of query match with a more complex scoring algorithm than provided by MatchScorer.
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ScoredDocument
Learn about the class that represents a scored document returned from a search.
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SearchResults
Learn about the class that represents the result of executing a search request.
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SortExpression
Learn about the class that allows you to customize how your search results are sorted.
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SortOptions
Learn about the class that represents a multi-dimensional sort of documents returned from a search.
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Functions
Learn about the functions available in the Search API.
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Exceptions
Learn about the exceptions provided by the Search API.
