fix readme for application insights in python (#8979)

* fix readme

* fix

* fix

* reveert

specification/applicationinsights/resource-manager/readme.md

@@ -337,6 +337,8 @@ This is not used by Autorest itself.
 swagger-to-sdk:
   - repo: azure-sdk-for-net
   - repo: azure-sdk-for-python
+    after_scripts:
+      - python ./scripts/multiapi_init_gen.py --default-api-version=2020-03-01-preview azure-mgmt-applicationinsights
   - repo: azure-sdk-for-java
   - repo: azure-sdk-for-go
   - repo: azure-sdk-for-js
@@ -347,6 +349,10 @@ swagger-to-sdk:
 
 See configuration in [readme.go.md](./readme.go.md)
 
+## Python
+
+See configuration in [readme.python.md](./readme.python.md)
+
 ## C#
 
 These settings apply only when `--csharp` is specified on the command line.

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

@@ -1,27 +1,111 @@
 ## Python
 
+## python
 These settings apply only when `--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>`.
-Use `--python-mode=update` if you already have a setup.py and just want to update the code itself.
 
-``` yaml $(python)
+```yaml $(python)
 python-mode: create
 python:
   azure-arm: true
   license-header: MICROSOFT_MIT_NO_VERSION
   payload-flattening-threshold: 2
-  namespace: azure.mgmt.applicationinsights
   package-name: azure-mgmt-applicationinsights
-  package-version: 0.2.0
   clear-output-folder: true
+  no-namespace-folders: true
+```
+### Python multi-api
+
+``` yaml $(python) && $(multiapi)
+batch:
+  - tag: package-2015-05
+  - tag: package-2017-10
+  - tag: package-2018-05-01-preview
+  - tag: package-2018-06-17-preview
+  - tag: package-2019-09-01-preview
+  - tag: package-2019-10-17-preview
+  - tag: package-2020-02-02-preview
+  - tag: package-2020-03-01-preview
 ```
-``` yaml $(python) && $(python-mode) == 'update'
+
+### Tag: package-2015-05 and python
+
+These settings apply only when `--tag=package-2015-05 --python` is specified on the command line.
+
+``` yaml $(tag) == 'package-2015-05' && $(python)
 python:
-  no-namespace-folders: true
-  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights/azure/mgmt/applicationinsights
+  namespace: azure.mgmt.applicationinsights.v2015_05_01
+  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights/azure/mgmt/applicationinsights/v2015_05_01
+```
+
+### Tag: package-2017-10 and python
+
+These settings apply only when `--tag=package-2017-10 --python` is specified on the command line.
+
+``` yaml $(tag) == 'package-2017-10' && $(python)
+python:
+  namespace: azure.mgmt.applicationinsights.v2017_10_01
+  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights/azure/mgmt/applicationinsights/v2017_10_01
 ```
-``` yaml $(python) && $(python-mode) == 'create'
+
+### Tag: package-2018-06-17-preview and python
+
+These settings apply only when `--tag=package-2018-06-17-preview --python` is specified on the command line.
+
+``` yaml $(tag) == 'package-2018-06-17-preview' && $(python)
 python:
-  basic-setup-py: true
-  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights
+  namespace: azure.mgmt.applicationinsights.v2018_06_17_preview
+  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights/azure/mgmt/applicationinsights/v2018_06_17_preview
 ```
+
+### Tag: package-2019-10-17-preview and python
+
+These settings apply only when `--tag=package-2019-10-17-preview --python` is specified on the command line.
+
+```yaml $(tag) == 'package-2019-10-17-preview' && $(python)
+python:
+  namespace: azure.mgmt.applicationinsights.v2019_10_17_preview
+  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights/azure/mgmt/applicationinsights/v2019_10_17_preview
+```
+
+### Tag: package-2018-05-01-preview and python
+
+These settings apply only when `--tag=package-2018-05-01-preview --python` is specified on the command line.
+
+``` yaml $(tag) == 'package-2018-05-01-preview' && $(python)
+python:
+  namespace: azure.mgmt.applicationinsights.v2018_05_01_preview
+  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights/azure/mgmt/applicationinsights/v2018_05_01_preview
+```
+
+### Tag: package-2019-09-01-preview and python
+
+These settings apply only when `--tag=package-2019-09-01-preview --python` is specified on the command line.
+
+``` yaml $(tag) == 'package-2019-09-01-preview' && $(python)
+python:
+  namespace: azure.mgmt.applicationinsights.v2019_09_01_preview
+  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights/azure/mgmt/applicationinsights/v2019_09_01_preview
+```
+
+### Tag: package-2020-02-02-preview and python
+
+These settings apply only when `--tag=package-2020-02-02-preview --python` is specified on the command line.
+
+``` yaml $(tag) == 'package-2020-02-02-preview' && $(python)
+python:
+  namespace: azure.mgmt.applicationinsights.v2020_02_02_preview
+  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights/azure/mgmt/applicationinsights/v2020_02_02_preview
+```
+
+### Tag: package-2020-03-01-preview and python
+
+These settings apply only when `--tag=package-2020-03-01-preview --python` is specified on the command line.
+
+``` yaml $(tag) == 'package-2020-03-01-preview' && $(python)
+python:
+  namespace: azure.mgmt.applicationinsights.v2020_03_01_preview
+  output-folder: $(python-sdks-folder)/applicationinsights/azure-mgmt-applicationinsights/azure/mgmt/applicationinsights/v2020_03_01_preview
+```
+
+
+