New version of Web API for Python SDK (#7473)

* adding package-2019-08 to python multiapi

* changes for python

* try different version of autorest

* added trim-aio

* additional fixes to multiapi generation

specification/web/resource-manager/readme.md

@@ -39,9 +39,10 @@ tag: package-2019-08
 
 ### Tag: package-2019-08
 
-These settings apply only when `--tag=package-2019-08` is specified on the command line.
+These settings apply only when `--tag=package-2019-08` or `--tag=package-2019-08-only` is specified on the command line.
+NOTE: Currently these tags are the same, but it will need to be split if any files from folders other than 2019-08-01 are included.
 
-``` yaml $(tag) == 'package-2019-08'
+``` yaml $(tag) == 'package-2019-08' || $(tag) == 'package-2019-08-only' 
 
 input-file:
 - Microsoft.CertificateRegistration/stable/2019-08-01/AppServiceCertificateOrders.json
@@ -1017,8 +1018,11 @@ This is not used by Autorest itself.
 swagger-to-sdk:
   - repo: azure-sdk-for-net
   - repo: azure-sdk-for-python
+    autorest_options:
+      use: "@microsoft.azure/autorest.python@4.0.70"
     after_scripts:
       - python ./scripts/multiapi_init_gen.py azure-mgmt-web
+      - python ./scripts/trim_aio.py ./sdk/appservice/azure-mgmt-web
   - repo: azure-sdk-for-java
   - repo: azure-sdk-for-go
   - repo: azure-sdk-for-node

specification/web/resource-manager/readme.python.md

@@ -10,7 +10,6 @@ python:
   azure-arm: true
   license-header: MICROSOFT_MIT_NO_VERSION
   payload-flattening-threshold: 2
-  namespace: azure.mgmt.web
   package-name: azure-mgmt-web
   package-version: 0.42.0
   clear-output-folder: true
@@ -23,6 +22,7 @@ Generate all API versions currently shipped for this package
 
 ```yaml $(python) && $(multiapi)
 batch:
+  - tag: package-2019-08-only
   - tag: package-2018-11-only
   - tag: package-2018-02-only
   - tag: package-2016-09-only
@@ -32,6 +32,17 @@ batch:
   - tag: package-2015-04-only
 ```
 
+### Tag: package-2019-08-only and python
+
+These settings apply only when `--tag=package-2019-08-only --python` is specified on the command line.
+Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
+
+``` yaml $(tag) == 'package-2019-08-only' && $(python)
+python:
+  namespace: azure.mgmt.web.v2019_08_01
+  output-folder: $(python-sdks-folder)/appservice/azure-mgmt-web/azure/mgmt/web/v2019_08_01
+```
+
 ### Tag: package-2018-11-only and python
 
 These settings apply only when `--tag=package-2018-11-only --python` is specified on the command line.