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WIP Cobigen Python Flask #160

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Merge branch 'main' into tutorials/cobigen-python
fmillama Jul 12, 2021
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Merge branch 'main' into tutorials/cobigen-python
fmillama Jul 13, 2021
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Merge branch 'tutorials/cobigen-python' of https://github.com/fmillam…
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Merge branch 'main' into tutorials/cobigen-python
fmillama Jul 15, 2021
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Merge branch 'main' into tutorials/cobigen-python
mustafaokyay Jul 26, 2021
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Merge branch 'main' into tutorials/cobigen-python
mustafaokyay Sep 29, 2021
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168 changes: 168 additions & 0 deletions CRUD-Python-CobiGen/files/context.xml
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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<contextConfiguration xmlns="http://capgemini.com/devonfw/cobigen/ContextConfiguration" version="2.1">

<trigger id="crud_java_server_app" type="java" templateFolder="crud_java_server_app">
<containerMatcher type="package" value="((.+\.)?([^\.]+))\.([^\.]+)\.dataaccess\.api"
retrieveObjectsRecursively="false"/>
<matcher type="fqn" value="((.+\.)?([^\.]+))\.([^\.]+)\.dataaccess\.api\.([^\.]+)Entity">
<variableAssignment type="regex" key="rootPackage" value="1"/>
<variableAssignment type="regex" key="domain" value="3"/>
<variableAssignment type="regex" key="component" value="4"/>
<variableAssignment type="regex" key="entityName" value="5"/>
</matcher>
</trigger>
<trigger id="crud_java_server_app_complex" type="java" templateFolder="crud_java_server_app_complex">
<containerMatcher type="package" value="((.+\.)?([^\.]+))\.([^\.]+)\.dataaccess\.api"
retrieveObjectsRecursively="false"/>
<matcher type="fqn" value="((.+\.)?([^\.]+))\.([^\.]+)\.dataaccess\.api\.([^\.]+)Entity">
<variableAssignment type="regex" key="rootPackage" value="1"/>
<variableAssignment type="regex" key="domain" value="3"/>
<variableAssignment type="regex" key="component" value="4"/>
<variableAssignment type="regex" key="entityName" value="5"/>
</matcher>
</trigger>
<trigger id="crud_typescript_angular_client_app" type="typescript" templateFolder="crud_typescript_angular_client_app">
<matcher type="fqn" value="([^\.]+).entity">
<variableAssignment type="regex" key="entityName" value="1"/>
<variableAssignment type="regex" key="component" value="1"/>
<variableAssignment type="constant" key="domain" value="demo"/>
</matcher>
</trigger>
<trigger id="testdata_builder" type="java" templateFolder="testdata_builder">
<containerMatcher type="package" value="((.+\.)?([^\.]+))\.([^\.]+)\.dataaccess\.api"
retrieveObjectsRecursively="false"/>
<matcher type="fqn" value="((.+\.)?([^\.]+))\.([^\.]+)\.dataaccess\.api\.([^\.]+Entity)">
<variableAssignment type="regex" key="rootPackage" value="1"/>
<variableAssignment type="regex" key="domain" value="3"/>
<variableAssignment type="regex" key="component" value="4"/>
<variableAssignment type="regex" key="pojoName" value="5"/>
</matcher>
<matcher type="fqn" value="((.+\.)?([^\.]+))\.([^\.]+)\.logic\.api\.to\.([^\.]+[E|C]to)">
<variableAssignment type="regex" key="rootPackage" value="1"/>
<variableAssignment type="regex" key="domain" value="3"/>
<variableAssignment type="regex" key="component" value="4"/>
<variableAssignment type="regex" key="pojoName" value="5"/>
</matcher>
<matcher type="expression" value="instanceof java.lang.Enum" accumulationType="NOT"/>
<matcher type="expression" value="isAbstract" accumulationType="NOT"/>
</trigger>
<trigger id="constants_security_permissions" type="xml" templateFolder="constants/security_permissions">
<matcher type="nodename" value="access-control-schema">
<variableAssignment type="constant" key="rootPackage" value="com.devonfw.gastronomy.restaurant"/>
</matcher>
</trigger>
<trigger id="constants_named_queries" type="xml" templateFolder="constants/named_queries">
<matcher type="nodename" value="entity-mappings">
<variableAssignment type="constant" key="rootPackage" value="com.devonfw.gastronomy.restaurant"/>
</matcher>
</trigger>
<trigger id="crud_angular_client_app" type="java" templateFolder="crud_angular_client_app">
<matcher type="fqn" value="((.+\.)?([^\.]+))\.([^\.]+)\.logic\.api\.to\.([^\.]+)Eto">
<variableAssignment type="regex" key="rootPackage" value="1"/>
<variableAssignment type="regex" key="domain" value="3"/>
<variableAssignment type="regex" key="component" value="4"/>
<variableAssignment type="regex" key="etoName" value="5"/>
</matcher>
</trigger>
<trigger id="crud_ngrx_client_app" type="java" templateFolder="crud_ngrx_client_app">
<matcher type="fqn" value="((.+\.)?([^\.]+))\.([^\.]+)\.logic\.api\.to\.([^\.]+)Eto">
<variableAssignment type="regex" key="rootPackage" value="1"/>
<variableAssignment type="regex" key="domain" value="3"/>
<variableAssignment type="regex" key="component" value="4"/>
<variableAssignment type="regex" key="etoName" value="5"/>
</matcher>
</trigger>
<trigger id="crud_java_ea_uml" type="xml" templateFolder="crud_java_ea_uml">
<containerMatcher type="xpath" value="./uml:Model//packagedElement[@xmi:type='uml:Class']"/>
<matcher type="xpath" value="self::node()[@xmi:type='uml:Class']/ancestor::uml:Model">
<variableAssignment type="xpath" key="rootPackage"
value="self::node()/ancestor::packagedElement/packagedElement/@name"/>
<variableAssignment type="xpath" key="component"
value="self::node()/ancestor::packagedElement/packagedElement/packagedElement/@name"/>
<variableAssignment type="xpath" key="className" value="self::node()/@name"/>
</matcher>
</trigger>
<trigger id="crud_openapi_java_server_app" type="openapi" templateFolder="crud_openapi_java_server_app">
<containerMatcher type="element" value="openAPIFile"/>
<matcher type="element" value="EntityDef">
<variableAssignment type="extension" key="rootPackage" value="x-rootpackage"/>
<variableAssignment type="property" key="component" value="componentName"/>
<variableAssignment type="property" key="entityName" value="name"/>
</matcher>
</trigger>
<trigger id="crud_openapi_angular_client_app" type="openapi" templateFolder="crud_openapi_angular_client_app">
<containerMatcher type="element" value="openAPIFile"/>
<matcher type="element" value="EntityDef">
<variableAssignment type="constant" key="domain" value="demo"/>
<variableAssignment type="property" key="component" value="componentName"/>
<variableAssignment type="property" key="etoName" value="name"/>
</matcher>
</trigger>
<trigger id="crud_openapi_angular_service_based_app" type="openapi" templateFolder="crud_openapi_angular_service_based_app">
<containerMatcher type="element" value="openAPIFile"/>
<matcher type="element" value="ComponentDef">
<variableAssignment type="constant" key="domain" value="demo"/>
<variableAssignment type="property" key="component" value="name"/>
<variableAssignment type="property" key="etoName" value="name"/>
</matcher>
</trigger>
<trigger id="cobigen-python-templates" type="openapi" templateFolder="cobigen-python-templates">
<containerMatcher type="element" value="openAPIFile"/>
<matcher type="element" value="EntityDef">
<variableAssignment type="extension" key="rootPackage" value="x-rootpackage"/>
<variableAssignment type="property" key="component" value="componentName"/>
<variableAssignment type="property" key="entityName" value="name"/>
</matcher>
</trigger>
<trigger id="crud_openapi_net" type="openapi" templateFolder="crud_openapi_net">
<containerMatcher type="element" value="openAPIFile"/>
<matcher type="element" value="EntityDef">
<variableAssignment type="extension" key="rootPackage" value="x-rootpackage"/>
<variableAssignment type="property" key="component" value="componentName"/>
<variableAssignment type="property" key="entityName" value="name"/>
</matcher>
</trigger>
<trigger id="crud_openapi_ionic_client_app" type="openapi" templateFolder="crud_openapi_ionic_client_app">
<containerMatcher type="element" value="openAPIFile"/>
<matcher type="element" value="EntityDef">
<variableAssignment type="constant" key="domain" value="demo"/>
<variableAssignment type="property" key="component" value="componentName"/>
<variableAssignment type="property" key="etoName" value="name"/>
</matcher>
</trigger>
<trigger id="crud_ionic_client_app" type="java" templateFolder="crud_ionic_client_app">
<matcher type="fqn" value="((.+\.)?([^\.]+))\.([^\.]+)\.logic\.api\.to\.([^\.]+)Eto">
<variableAssignment type="regex" key="rootPackage" value="1"/>
<variableAssignment type="regex" key="domain" value="3"/>
<variableAssignment type="regex" key="component" value="4"/>
<variableAssignment type="regex" key="etoName" value="5"/>
</matcher>
</trigger>
<trigger id="REST_Docs" type="java" templateFolder="documentation/rest">
<containerMatcher type="package" value="((.+\.)?([^\.]+))\.([^\.]+)\.service\.api\.rest"
retrieveObjectsRecursively="false"/>
<matcher type="fqn" value="((.+\.)?([^\.]+))\.([^\.]+)\.service\.api\.rest\.([^\.]+)RestService">
<variableAssignment type="regex" key="rootPackage" value="1"/>
<variableAssignment type="regex" key="domain" value="3"/>
<variableAssignment type="regex" key="component" value="4"/>
</matcher>
</trigger>
<trigger id="Swagger_Docs" type="java" templateFolder="documentation/kafka">
<containerMatcher type="package" value="((.+\.)?([^\.]+))\.([^\.]+)\.service\.data"
retrieveObjectsRecursively="false"/>
<matcher type="fqn" value="((.+\.)?([^\.]+))\.([^\.]+)\.service\.data\.([^\.]+)To">
<variableAssignment type="regex" key="rootPackage" value="1"/>
<variableAssignment type="regex" key="domain" value="3"/>
<variableAssignment type="regex" key="component" value="4"/>
<variableAssignment type="regex" key="toName" value="5"/>
</matcher>
</trigger>
<trigger id="OpenAPI_docs" type="openapi" templateFolder="documentation/openapi">
<containerMatcher type="element" value="openAPIFile"/>
<matcher type="element" value="EntityDef">
<variableAssignment type="constant" key="rootPackage" value="com.devonfw"/>
<variableAssignment type="property" key="component" value="componentName"/>
<variableAssignment type="property" key="entityName" value="name"/>
</matcher>
</trigger>
</contextConfiguration>
5 changes: 5 additions & 0 deletions CRUD-Python-CobiGen/files/initialCommit.md
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In order to upload the table declared in our "Model.py" we need a migration script. This command requires an attached message whenever it runs, for instance:

`flask db migrate -m` "`first migration`"

In this case, the terminal should print in return `Detected added table user`, among others. We can now upload the migration script.
22 changes: 22 additions & 0 deletions CRUD-Python-CobiGen/files/postmanTest.md
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We can test our application using Postman. Paste the following path on a new Postman tab:

https://[[HOST_SUBDOMAIN]]-80-[[KATACODA_HOST]].environments.katacoda.com/user

Our table is empty for the moment, so we will select the POST method to add new data. We can submit JSON requests by clicking on the "Body" tab and selecting "raw". For example, submit:


{ "name" : "elena", "age" : 26, "phone" : "555123", "email" : "[email protected]" }


Our new user should now be accessible from the database under "id" number 1. Check this by submitting a GET request to the following path:

https://[[HOST_SUBDOMAIN]]-80-[[KATACODA_HOST]].environments.katacoda.com/user/1


We will now edit our entry by sending a PUT request. Submit the following body to https://[[HOST_SUBDOMAIN]]-80-[[KATACODA_HOST]].environments.katacoda.com/user/1:

{ "phone" : "777123" }

Now send another GET request and check whether the column was properly updated.

Lastly, you can check the DELETE method by sending this request to https://[[HOST_SUBDOMAIN]]-80-[[KATACODA_HOST]].environments.katacoda.com/user/1. Then send a GET request to https://[[HOST_SUBDOMAIN]]-80-[[KATACODA_HOST]].environments.katacoda.com/user. The application returns "User list is empty".
39 changes: 39 additions & 0 deletions CRUD-Python-CobiGen/files/user.yml
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openapi: 3.0.0
servers:
- url: 'https://localhost:8081/server/services/rest'
description: Just some data
info:
title: devonfw Example
description: Example of a API definition
version: 1.0.0
x-rootpackage: com.devonfw.poc.jwtsample
paths:
/:
post:
responses:
'200':
description: Any
components:
schemas:
User:
x-component: usermanagement
description: Entity definiton of User
type: object
properties:
name:
type: string
maxLength: 100
uniqueItems: true
age:
type: integer
phone :
type: string
maxLength: 100
uniqueItems: true
email:
type: string
maxLength: 100
uniqueItems: true
required:
- name
- email
60 changes: 60 additions & 0 deletions CRUD-Python-CobiGen/index.asciidoc
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= Create a CRUD Python Flask application using CobiGen's OpenAPI plugin
====
The aim of this tutorial is to create a basic CRUD Python Flask application from a single OpenAPI .yml file declaring an entity.

The code will be generated using devonfw's CobiGen. This will result in a basic application layout, the declaration of a Flask-SQLAlchemy table with the entity's attributes as columns, and a service returning JSON objects for the GET, POST, PUT and DELETE methods.
====

[step]
--
installDevonfwIde(["java","mvn"])
installCobiGen()
executeCommand("devon","devon")
--

[step]
--
adaptTemplatesCobiGen()
changeWorkspace(".cobigen/templates/CobiGen_Templates/src/main/templates")
cloneRepository("", "https://github.com/devonfw-forge/cobigen-python-templates.git")
--

[step]
--
changeFile("context.xml", { "file": "files/context.xml"})
--

[step]
--
executeCommand("cd /root/devonfw/workspaces/main","cd /root/devonfw/workspaces/main")
changeWorkspace("devonfw/workspaces/main")
createFile("cobigen-python-example/user.yml", "files/user.yml")
--

[step]
--
executeCommand("cobigen generate user.yml -i 1","cobigen generate user.yml -i 1",{"dir":"cobigen-python-example"})
--

[step]
--
executeCommand("python3 -m pip install virtualenv","python3 -m pip install virtualenv")
executeCommand("python3 -m virtualenv venv","python3 -m virtualenv venv")
executeCommand("activate.ps1","source activate", {"dir":"venv/bin"} )
executeCommand("cd /root/devonfw/workspaces/main/cobigen-python-example","cd /root/devonfw/workspaces/main/cobigen-python-example")
executeCommand("pip install -r requirements.txt","pip install -r requirements.txt")
--

[step]
--
executeCommand("flask db init","flask db init")
displayContent("Initial commit", [{ "file": "files/initialCommit.md" }])
executeCommand("flask db upgrade","flask db upgrade")
--

[step]
--
executeCommand("flask run --host=0.0.0.0 --port=80","flask run --host=0.0.0.0 --port=80")
displayContent("Postman test", [{ "file": "files/postmanTest.md" }])
--