Add Python samples (#253)

* Initial samples

* cleanup

* AddProductsArray

* Add product class

* remove unneeded

* More samples + cleanup

* update python samples to match js samples

* update param name and runtime version

* remove extra change

Co-authored-by: chgagnon <chgagnon@microsoft.com>

Author: lucyzhang929

samples/samples-python/.funcignore

@@ -0,0 +1 @@
+.venv

samples/samples-python/.gitignore

@@ -0,0 +1,10 @@
+# Azure Functions localsettings file
+local.settings.json
+
+# Azurite artifacts
+__blobstorage__
+__queuestorage__
+__azurite_db*__.json
+
+# Python virtual environment
+.venv

samples/samples-python/.vscode/extensions.json

@@ -0,0 +1,6 @@
+{
+    "recommendations": [
+        "ms-azuretools.vscode-azurefunctions",
+        "ms-python.python"
+    ]
+}

samples/samples-python/.vscode/launch.json

@@ -0,0 +1,12 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Attach to Python Functions",
+            "type": "python",
+            "request": "attach",
+            "port": 9091,
+            "preLaunchTask": "func: host start"
+        }
+    ]
+}

samples/samples-python/.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+    "azureFunctions.deploySubpath": ".",
+    "azureFunctions.scmDoBuildDuringDeployment": true,
+    "azureFunctions.pythonVenv": ".venv",
+    "azureFunctions.projectLanguage": "Python",
+    "azureFunctions.projectRuntime": "~4",
+    "debug.internalConsoleOptions": "neverOpen"
+}

samples/samples-python/.vscode/tasks.json

@@ -0,0 +1,26 @@
+{
+	"version": "2.0.0",
+	"tasks": [
+        {
+            "type": "func",
+            "command": "host start",
+            "problemMatcher": "$func-python-watch",
+            "isBackground": true,
+            "dependsOn": "pip install (functions)",
+        },
+        {
+            "label": "pip install (functions)",
+            "type": "shell",
+            "osx": {
+                "command": "${config:azureFunctions.pythonVenv}/bin/python -m pip install -r requirements.txt"
+            },
+            "windows": {
+                "command": "${config:azureFunctions.pythonVenv}\\Scripts\\python -m pip install -r requirements.txt"
+            },
+            "linux": {
+                "command": "${config:azureFunctions.pythonVenv}/bin/python -m pip install -r requirements.txt"
+            },
+            "problemMatcher": []
+        }
+    ]
+}

samples/samples-python/AddProduct/__init__.py

@@ -0,0 +1,22 @@
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+import azure.functions as func
+import json
+
+def main(req: func.HttpRequest, product: func.Out[func.SqlRow]) -> func.HttpResponse:
+    """Upsert the product, which will insert it into the Products table if the primary key (ProductId) for that item doesn't exist.
+    If it does then update it to have the new name and cost.
+    """
+
+    # Note that this expects the body to be a JSON object which
+    # have a property matching each of the columns in the table to upsert to.
+    body = json.loads(req.get_body())
+    row = func.SqlRow.from_dict(body)
+    product.set(row)
+
+    return func.HttpResponse(
+        body=req.get_body(),
+        status_code=201,
+        mimetype="application/json"
+    )

samples/samples-python/AddProduct/function.json

@@ -0,0 +1,28 @@
+{
+  "scriptFile": "__init__.py",
+  "bindings": [
+    {
+      "authLevel": "function",
+      "name": "req",
+      "direction": "in",
+      "type": "httpTrigger",
+      "methods": [
+        "post"
+      ],
+      "route": "addproduct"
+    },
+    {
+      "name": "$return",
+      "type": "http",
+      "direction": "out"
+    },
+    {
+      "name": "product",
+      "type": "sql",
+      "direction": "out",
+      "commandText": "[dbo].[Products]",
+      "connectionStringSetting": "SqlConnectionString"
+    }
+  ],
+  "disabled": false
+}

samples/samples-python/AddProductParams/__init__.py

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+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+import azure.functions as func
+from Common.product import Product
+
+def main(req: func.HttpRequest, product: func.Out[func.SqlRow]) -> func.HttpResponse:
+    row = func.SqlRow(Product(req.params["productId"], req.params["name"], req.params["cost"]))
+    product.set(row)
+
+    return func.HttpResponse(
+        body=row.to_json(),
+        status_code=201,
+        mimetype="application/json"
+    )
+

samples/samples-python/AddProductParams/function.json

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+{
+  "scriptFile": "__init__.py",
+  "bindings": [
+    {
+      "authLevel": "function",
+      "name": "req",
+      "direction": "in",
+      "type": "httpTrigger",
+      "methods": [
+        "get"
+      ],
+      "route": "addproduct-params"
+    },
+    {
+      "name": "$return",
+      "type": "http",
+      "direction": "out"
+    },
+    {
+      "name": "product",
+      "type": "sql",
+      "direction": "out",
+      "commandText": "[dbo].[Products]",
+      "connectionStringSetting": "SqlConnectionString"
+    }
+  ],
+  "disabled": false
+}