├── .gitignore ├── favicon.ico ├── static_backend.yaml ├── mobile_frontend.yaml ├── app.yaml ├── helloworld.py ├── dispatch.yaml ├── README.md ├── CONTRIB.md ├── printenv.py └── LICENSE /.gitignore: -------------------------------------------------------------------------------- 1 | *~ 2 | *.pyc 3 | -------------------------------------------------------------------------------- /favicon.ico: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/googlearchive/appengine-modules-helloworld-python/HEAD/favicon.ico -------------------------------------------------------------------------------- /static_backend.yaml: -------------------------------------------------------------------------------- 1 | application: simple-sample 2 | module: static-backend 3 | version: uno 4 | runtime: python27 5 | api_version: 1 6 | threadsafe: true 7 | 8 | manual_scaling: 9 | instances: 1 10 | 11 | handlers: 12 | - url: /.* 13 | script: printenv.APP 14 | -------------------------------------------------------------------------------- /mobile_frontend.yaml: -------------------------------------------------------------------------------- 1 | application: simple-sample 2 | module: mobile-frontend 3 | version: uno 4 | runtime: python27 5 | api_version: 1 6 | threadsafe: true 7 | 8 | automatic_scaling: 9 | min_idle_instances: 2 10 | max_pending_latency: 1s 11 | 12 | handlers: 13 | - url: /.* 14 | script: printenv.APP 15 | -------------------------------------------------------------------------------- /app.yaml: -------------------------------------------------------------------------------- 1 | application: simple-sample 2 | version: uno 3 | runtime: python27 4 | api_version: 1 5 | threadsafe: true 6 | 7 | automatic_scaling: 8 | max_idle_instances: 20 9 | 10 | handlers: 11 | - url: /favicon\.ico 12 | static_files: favicon.ico 13 | upload: favicon\.ico 14 | 15 | - url: /.* 16 | script: helloworld.APP 17 | -------------------------------------------------------------------------------- /helloworld.py: -------------------------------------------------------------------------------- 1 | """Hello world application.""" 2 | 3 | 4 | import webapp2 5 | 6 | 7 | class MainPage(webapp2.RequestHandler): 8 | 9 | def get(self): 10 | self.response.headers['Content-Type'] = 'text/plain' 11 | self.response.write('Hello, webapp2 World!') 12 | 13 | 14 | APP = webapp2.WSGIApplication([ 15 | ('/', MainPage), 16 | ], debug=True) 17 | -------------------------------------------------------------------------------- /dispatch.yaml: -------------------------------------------------------------------------------- 1 | application: simple-sample 2 | 3 | dispatch: 4 | # Default module serves the typical web resources and all static resources. 5 | - url: "*/favicon.ico" 6 | module: default 7 | 8 | # Send all mobile traffic to the mobile frontend. 9 | - url: "*/mobile/*" 10 | module: mobile-frontend 11 | 12 | # Send all work to the one static backend. 13 | - url: "*/work/*" 14 | module: static-backend 15 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Modules Hello World 2 | 3 | This is a sample application using the Google App Engine [Modules API][10]. 4 | It demonstrates how to create multiple modules serving different functions 5 | as well as custom routing to different modules. 6 | 7 | There are two main applications defined in [`helloworld.py`][4] and 8 | [`printenv.py`][5]. The `helloworld` application is the one from the 9 | [Getting Started][3] and is used for the default module. The other 10 | two modules, one for a [`mobile-frontend`][7] and another for a 11 | [`static-backend`][8], both use `printenv.py`. This module has a single 12 | handler which prints all the WSGI and CGI environment variables 13 | associated with the request as well as the output of all methods 14 | offered by the Modules API. 15 | 16 | In addition to these applications, there is custom routing defined 17 | via [`dispatch.yaml`][6]. Requests to any module for the path 18 | `/mobile` are served by the `mobile-frontend` module and similarly all 19 | requests for the path `/work` are served by the `static-backend` module. 20 | 21 | ## Deploying 22 | 23 | To deploy your each module for your application, run 24 | 25 | ``` 26 | $PATH_TO_SDK/appcfg.py update app.yaml mobile_frontend.yaml static_backend.yaml 27 | ``` 28 | 29 | using the [Google App Engine SDK][9] with version at least 1.8.2. To set-up the custom 30 | routing, you'll also need to run 31 | 32 | ``` 33 | $PATH_TO_SDK/appcfg.py update_dispatch . 34 | ``` 35 | 36 | from directory containing the application. 37 | 38 | ## Products 39 | - [App Engine][1] 40 | 41 | ## Language 42 | - [Python][2] 43 | 44 | [1]: https://developers.google.com/appengine 45 | [2]: https://python.org 46 | [3]: https://github.com/GoogleCloudPlatform/appengine-guestbook-python/tree/part1-helloworld 47 | [4]: https://github.com/GoogleCloudPlatform/appengine-modules-helloworld-python/blob/master/helloworld.py 48 | [5]: https://github.com/GoogleCloudPlatform/appengine-modules-helloworld-python/blob/master/printenv.py 49 | [6]: https://github.com/GoogleCloudPlatform/appengine-modules-helloworld-python/blob/master/dispatch.yaml 50 | [7]: https://github.com/GoogleCloudPlatform/appengine-modules-helloworld-python/blob/master/mobile_frontend.yaml 51 | [8]: https://github.com/GoogleCloudPlatform/appengine-modules-helloworld-python/blob/master/static_backend.yaml 52 | [9]: https://developers.google.com/appengine/downloads#Google_App_Engine_SDK_for_Python 53 | [10]: https://developers.google.com/appengine/docs/python/modules 54 | -------------------------------------------------------------------------------- /CONTRIB.md: -------------------------------------------------------------------------------- 1 | # How to become a contributor and submit your own code 2 | 3 | ## Contributor License Agreements 4 | 5 | We'd love to accept your sample apps and patches! Before we can take them, we have to jump a couple of legal hurdles. 6 | 7 | Please fill out either the individual or corporate Contributor License Agreement (CLA). 8 | 9 | * If you are an individual writing original source code and you're sure you own the intellectual property, then you'll need to sign an [individual CLA](http://code.google.com/legal/individual-cla-v1.0.html). 10 | * If you work for a company that wants to allow you to contribute your work, then you'll need to sign a [corporate CLA](http://code.google.com/legal/corporate-cla-v1.0.html). 11 | 12 | Follow either of the two links above to access the appropriate CLA and instructions for how to sign and return it. Once we receive it, we'll be able to accept your pull requests. 13 | 14 | ## Contributing A Patch 15 | 16 | 1. Submit an issue describing your proposed change to the repo in question. 17 | 1. The repo owner will respond to your issue promptly. 18 | 1. If your proposed change is accepted, and you haven't already done so, sign a Contributor License Agreement (see details above). 19 | 1. Fork the desired repo, develop and test your code changes. 20 | 1. Ensure that your code adheres to the existing style in the sample to which you are contributing. Refer to the [Google Cloud Platform Samples Style Guide](https://github.com/GoogleCloudPlatform/Template/wiki/style.html) for the recommended coding standards for this organization. 21 | 1. Ensure that your code has an appropriate set of unit tests which all pass. 22 | 1. Submit a pull request. 23 | 24 | ## Contributing A New Sample App 25 | 26 | 1. Submit an issue to the GoogleCloudPlatform/Template repo describing your proposed sample app. 27 | 1. The Template repo owner will respond to your enhancement issue promptly. Instructional value is the top priority when evaluating new app proposals for this collection of repos. 28 | 1. If your proposal is accepted, and you haven't already done so, sign a Contributor License Agreement (see details above). 29 | 1. Create your own repo for your app following this naming convention: 30 | * {product}-{app-name}-{language} 31 | * products: appengine, compute, storage, bigquery, prediction, cloudsql 32 | * example: appengine-guestbook-python 33 | * For multi-product apps, concatenate the primary products, like this: compute-appengine-demo-suite-python. 34 | * For multi-language apps, concatenate the primary languages like this: appengine-sockets-python-java-go. 35 | 1. Clone the README.md, CONTRIB.md and LICENSE files from the GoogleCloudPlatform/Template repo. 36 | 1. Ensure that your code adheres to the existing style in the sample to which you are contributing. Refer to the [Google Cloud Platform Samples Style Guide](https://github.com/GoogleCloudPlatform/Template/wiki/style.html) for the recommended coding standards for this organization. 37 | 1. Ensure that your code has an appropriate set of unit tests which all pass. 38 | 1. Submit a request to fork your repo in GoogleCloudPlatform organizationt via your proposal issue. 39 | -------------------------------------------------------------------------------- /printenv.py: -------------------------------------------------------------------------------- 1 | """Prints the environment variables and some Modules API output.""" 2 | 3 | 4 | import cgi 5 | import os 6 | import sys 7 | 8 | from google.appengine.api import modules 9 | from google.appengine.api import users 10 | import webapp2 11 | 12 | 13 | PAGE_TEMPLATE = """\ 14 | 15 | 16 | printenv 17 | 18 | 19 | login
logout 20 |

The environment variables are:

21 | {} 22 |

The CGI arguments are:

23 | {} 24 |

The Modules API results are:

25 | {} 26 | 27 | 28 | """ 29 | KEY_VALUE_TEMPLATE = '{} = {}' 30 | STDIN_TEMPLATE = ('No CGI arguments given; here are the contents ' 31 | 'of stdin (length={}):') 32 | 33 | 34 | def html_for_env_var(key): 35 | """Returns an HTML snippet for an environment variable. 36 | 37 | Args: 38 | key: A string representing an environment variable name. 39 | 40 | Returns: 41 | String HTML representing the value and variable. 42 | """ 43 | value = os.getenv(key) 44 | return KEY_VALUE_TEMPLATE.format(key, value) 45 | 46 | 47 | def html_for_cgi_argument(argument, form): 48 | """Returns an HTML snippet for a CGI argument. 49 | 50 | Args: 51 | argument: A string representing an CGI argument name in a form. 52 | form: A CGI FieldStorage object. 53 | 54 | Returns: 55 | String HTML representing the CGI value and variable. 56 | """ 57 | value = form[argument].value if argument in form else None 58 | return KEY_VALUE_TEMPLATE.format(argument, value) 59 | 60 | 61 | def html_for_modules_method(method_name, *args, **kwargs): 62 | """Returns an HTML snippet for a Modules API method. 63 | 64 | Args: 65 | method_name: A string containing a Modules API method. 66 | args: Positional arguments to be passed to the method. 67 | kwargs: Keyword arguments to be passed to the method. 68 | 69 | Returns: 70 | String HTML representing the Modules API method and value. 71 | """ 72 | method = getattr(modules, method_name) 73 | value = method(*args, **kwargs) 74 | return KEY_VALUE_TEMPLATE.format(method_name, value) 75 | 76 | 77 | class MainHandler(webapp2.RequestHandler): 78 | 79 | def get(self): 80 | """GET handler that serves environment data.""" 81 | environment_variables_output = [html_for_env_var(key) 82 | for key in sorted(os.environ)] 83 | 84 | cgi_arguments_output = [] 85 | if os.getenv('CONTENT_TYPE') == 'application/x-www-form-urlencoded': 86 | # Note: a blank Content-type header will still sometimes 87 | # (in dev_appserver) show up as 'application/x-www-form-urlencoded' 88 | form = cgi.FieldStorage() 89 | if not form: 90 | cgi_arguments_output.append('No CGI arguments given...') 91 | else: 92 | for cgi_argument in form: 93 | cgi_arguments_output.append( 94 | html_for_cgi_argument(cgi_argument, form)) 95 | else: 96 | data = sys.stdin.read() 97 | cgi_arguments_output.append(STDIN_TEMPLATE.format(len(data))) 98 | cgi_arguments_output.append(cgi.escape(data)) 99 | 100 | modules_api_output = [ 101 | html_for_modules_method('get_current_module_name'), 102 | html_for_modules_method('get_current_version_name'), 103 | html_for_modules_method('get_current_instance_id'), 104 | html_for_modules_method('get_modules'), 105 | html_for_modules_method('get_versions'), 106 | html_for_modules_method('get_default_version'), 107 | html_for_modules_method('get_num_instances'), 108 | html_for_modules_method('get_hostname'), 109 | ] 110 | 111 | result = PAGE_TEMPLATE.format( 112 | users.CreateLoginURL(self.request.url), 113 | users.CreateLogoutURL(self.request.url), 114 | '
\n'.join(environment_variables_output), 115 | '
\n'.join(cgi_arguments_output), 116 | '
\n'.join(modules_api_output), 117 | ) 118 | 119 | self.response.write(result) 120 | 121 | 122 | APP = webapp2.WSGIApplication([ 123 | ('/.*', MainHandler) 124 | ], debug=True) 125 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | 2 | Apache License 3 | Version 2.0, January 2004 4 | http://www.apache.org/licenses/ 5 | 6 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 7 | 8 | 1. Definitions. 9 | 10 | "License" shall mean the terms and conditions for use, reproduction, 11 | and distribution as defined by Sections 1 through 9 of this document. 12 | 13 | "Licensor" shall mean the copyright owner or entity authorized by 14 | the copyright owner that is granting the License. 15 | 16 | "Legal Entity" shall mean the union of the acting entity and all 17 | other entities that control, are controlled by, or are under common 18 | control with that entity. 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